README.md

@@ -1,6 +1,6 @@
 <h1>项目介绍</h1>
 <p>
-   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Redkale (中文名: 红菜苔，湖北武汉的一种特产蔬菜) 是基于Java 8全新的微服务框架， 包含HTTP、WebSocket、TCP/UDP、数据序列化、数据缓存、依赖注入等功能。 本框架致力于简化集中式和微服务架构的开发，在增强开发敏捷性的同时保持高性能。
+   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Redkale (中文名: 红菜苔，一种湖北特产蔬菜) 是基于Java 8全新的微服务框架， 包含HTTP、WebSocket、TCP/UDP、数据序列化、数据缓存、依赖注入等功能。 本框架致力于简化集中式和微服务架构的开发，在增强开发敏捷性的同时保持高性能。
 </p>
 <strong>RedKale 有如下主要特点：</strong>
 <ol>
@@ -19,10 +19,11 @@
 </p>
 
 
-&nbsp;&nbsp;&nbsp;由于RedKale使用了JDK 8 内置的ASM包，所以需要在源码工程中的编译器选项中加入： <b>-XDignore.symbol.file=true</b>
+&nbsp;&nbsp;&nbsp;编译RedKale 1.8.x版本需要在源码工程中的编译器选项中加入： <b>-XDignore.symbol.file=true</b>
 
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<h5>详情请访问:&nbsp;&nbsp;&nbsp;&nbsp;<a href='https://redkale.org' target='_blank'>https://redkale.org</a></h5>
 
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<h5>基本文档:&nbsp;&nbsp;&nbsp;&nbsp;<a href='https://redkale.org/articles.html' target='_blank'>https://redkale.org/articles.html</a></h5>
 
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<h5>欢迎加入Redkale QQ群:  527523235</h5>
 &nbsp;

bin/restart.bat

@@ -0,0 +1,9 @@
+@ECHO OFF
+
+SET APP_HOME=%~dp0
+
+IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
+
+call %APP_HOME%\bin\shutdown.bat 
+
+call %APP_HOME%\bin\start.bat 

bin/restart.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+export LC_ALL="zh_CN.UTF-8"
+
+APP_HOME=`dirname "$0"`
+
+cd "$APP_HOME"/..
+
+APP_HOME=`pwd`
+
+if [ ! -f "$APP_HOME"/conf/application.xml ]; then 
+     APP_HOME="$APP_HOME"/..  
+fi
+
+cd "$APP_HOME"
+
+./bin/shutdown.sh
+
+./bin/start.sh
+

bin/shutdown.sh

@@ -4,15 +4,20 @@ export LC_ALL="zh_CN.UTF-8"
 
 APP_HOME=`dirname "$0"`
 
+cd "$APP_HOME"/..
+
+APP_HOME=`pwd`
+
 if [ ! -f "$APP_HOME"/conf/application.xml ]; then 
      APP_HOME="$APP_HOME"/..  
 fi
 
-lib='.'
+lib="$APP_HOME"/lib
 for jar in `ls $APP_HOME/lib/*.jar`
 do
     lib=$lib:$jar
 done
 export CLASSPATH=$CLASSPATH:$lib
+
 echo "$APP_HOME"
 java -DCMD=SHUTDOWN  -DAPP_HOME="$APP_HOME"  org.redkale.boot.Application

bin/start.sh

@@ -8,6 +8,10 @@ export LC_ALL="zh_CN.UTF-8"
 
 APP_HOME=`dirname "$0"`
 
+cd "$APP_HOME"/..
+
+APP_HOME=`pwd`
+
 if [ ! -f "$APP_HOME"/conf/application.xml ]; then 
      APP_HOME="$APP_HOME"/..  
 fi

my/readme.txt

@@ -0,0 +1 @@
+<EFBFBD><EFBFBD>Ŀ¼<EFBFBD>µ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>sonatypeʱʹ<EFBFBD>ã<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹ<EFBFBD><DAB9>̴<EFBFBD><CCB4><EFBFBD><EFBFBD><EFBFBD>

src/META-INF/application-template.xml

@@ -34,12 +34,14 @@
         <!--
             【节点全局唯一】
             transport节点只能有一个，用于配置所有Transport的池参数，没配置该节点将自动创建一个。
-            threads： 线程总数， 默认: <group>节点数*CPU核数*8
-            bufferCapacity: ByteBuffer的初始化大小， 默认: 8K; 
-            bufferPoolSize： ByteBuffer池的大小，默认: <group>节点数*CPU核数*8
+            threads： 线程总数， 默认: <group>节点数*CPU核数*2
+            bufferCapacity: ByteBuffer的初始化大小， 默认: 32K; 
+            bufferPoolSize： ByteBuffer池的大小，默认: 线程总数*4
+            readTimeoutSecond: TCP读取超时秒数, 默认为6秒， 为0表示无超时限制
+            writeTimeoutSecond: TCP写入超时秒数, 默认为6秒， 为0表示无超时限制
             strategy: 远程请求的负载均衡策略， 必须是org.redkale.net.TransportStrategy的实现类
         -->
-        <transport bufferCapacity="8K" bufferPoolSize="32" threads="32"/>
+        <transport bufferCapacity="32K" bufferPoolSize="32" threads="32" readTimeoutSecond="6" writeTimeoutSecond="6"/>
         
         <!--
             一个组包含多个node， 同一Service服务可以由多个进程提供，这些进程称为一个GROUP，且同一GROUP内的进程必须在同一机房或局域网内
@@ -55,8 +57,6 @@
                 同一个<node>节点值只能存在一个<group>节点内，即同一个addr+port只能属于一个group。
                 addr: required IP地址
                 port: required 端口
-                clients: 连接池数， 默认: CPU核数*4
-                buffers: ByteBuffer对象池的大小， 默认: CPU核数*8
             -->
             <node addr="127.0.0.1" port="7070"/>
         </group>
@@ -64,14 +64,20 @@
         <!--
             全局的数据源设置, 可以是CacheSource、DataSource， JDBC的DataSource通常通过persistence.xml配置，此处多用于CacheSource的配置
             name:  资源名，用于依赖注入。
-            value：类名，必须是CacheSource或DataSource的子类，且必须实现Service接口。
+            value：类名，必须是CacheSource或DataSource的子类，且必须实现Service接口。如果是DataSource.class，系统自动映射成DataJdbcSource.class
             groups: 指定groups。
             xxx: 其他属性与子节点通过Service.init方法传入的AnyValue获取。
         -->
         <source name="redis" value="org.redkalex.cache.RedisCacheSource" xxx="16">
             <node addr="127.0.0.1" port="7070"/>
         </source>
-
+        
+        <!--
+           Application启动的监听事件,可配置多个节点
+           value: 类名，必须是ApplicationListener的子类
+        -->
+        <listener value="org.redkalex.xxx.XXXApplicationListener"/>
+        
         <!-- 
             【节点全局唯一】
             全局的参数配置, 可以通过@Resource(name="property.xxxxxx") 进行注入<property>的信息, 被注解的字段类型只能是String、primitive class
@@ -79,6 +85,7 @@
             如果name是mimetype.property.开头的值将会在进程启动时进行MimeType.add("yyyy", "YYYYYY")操作。
             load:  加载文件，多个用;隔开。
             默认置入的system.property.的有：
+               System.setProperty("net.transport.pinginterval", "30");
                System.setProperty("convert.json.tiny", "true");
                System.setProperty("convert.bson.tiny", "true");
                System.setProperty("convert.json.pool.size", "128");
@@ -86,7 +93,8 @@
                System.setProperty("convert.json.writer.buffer.defsize", "4096");
                System.setProperty("convert.bson.writer.buffer.defsize", "4096");
                
-            <properties>节点下也可包含非<property>节点，其节点可以通过@Resource(name="properties.xxxxxx")进行注入, 被注解的字段类型只能是AnyValue、AnyValue[]
+            <properties>节点下也可包含非<property>节点.
+            非<property>其节点可以通过@Resource(name="properties.xxxxxx")进行注入, 被注解的字段类型只能是AnyValue、AnyValue[]
         -->
         <properties load="config.properties">
             <property name="system.property.yyyy" value="YYYYYY"/>
@@ -106,11 +114,12 @@
         excludelibs: 排除lib.path与excludes中的正则表达式匹配的路径, 多个正则表达式用分号;隔开
         charset: 文本编码， 默认: UTF-8
         backlog:  默认10K
-        threads： 线程总数， 默认: CPU核数*16
+        threads： 线程总数， 默认: CPU核数*8
+        maxconns：最大连接数, 小于1表示无限制， 默认: 0
         maxbody: request.body最大值， 默认: 64K
-        bufferCapacity: ByteBuffer的初始化大小， 默认: 8K;  如果是HTTP协议则默认: 16K + 16B (兼容HTTP 2.0、WebSocket)
-        bufferPoolSize： ByteBuffer池的大小，默认: CPU核数*512
-        responsePoolSize： Response池的大小，默认: CPU核数*256
+        bufferCapacity: ByteBuffer的初始化大小， 默认: 32K;  (HTTP 2.0、WebSocket，必须要16k以上)
+        bufferPoolSize： ByteBuffer池的大小，默认: 线程总数*4
+        responsePoolSize： Response池的大小，默认: 线程总数*2
         readTimeoutSecond: 读操作超时秒数， 默认0， 表示永久不超时
         writeTimeoutSecond:  写操作超时秒数， 默认0， 表示永久不超时
         interceptor: 启动/关闭NodeServer时被调用的拦截器实现类，必须是org.redkale.boot.NodeInterceptor的子类，默认为null
@@ -140,7 +149,7 @@
             <service value="com.xxx.XXX2Service" name="" groups="xxx;yyy"/>
             <!--   给Service增加配置属性 -->
             <service value="com.xxx.XXX1Service"> 
-                <!-- property节点值在 public void init(AnyValue conf) 方法中可以通过 AnyValue properties =  conf.getAnyValue("properties");获取 -->
+                <!-- property值在public void init(AnyValue conf)方法中可以通过AnyValue properties=conf.getAnyValue("properties")获取 -->
                 <property name="xxxxxx" value="XXXXXXXX"/>  
                 <property name="xxxxxx" value="XXXXXXXX"/>
             </service>
@@ -165,7 +174,7 @@
             
             <!--   给Filter增加配置属性 -->
             <filter value="com.xxx.XXX12Filter"> 
-                <!-- property节点值在 public void init(AnyValue conf) 方法中可以通过 AnyValue properties =  conf.getAnyValue("properties");获取 -->
+                <!-- property值在public void init(AnyValue conf)方法中可以通过AnyValue properties=conf.getAnyValue("properties")获取 -->
                 <property name="xxxxxx" value="XXXXXXXX"/>  
                 <property name="xxxxxx" value="XXXXXXXX"/>
             </filter>
@@ -220,7 +229,13 @@
             <setheader name="Access-Control-Allow-Credentials" value="true"/>
             <options auto="true" />
         </response>
-            
+        <!-- 
+           【节点在<server>中唯一】
+           当Server为HTTP协议时，render才有效. 指定输出引擎的实现类
+           value: 输出引擎的实现类, 必须是org.redkale.net.http.HttpRender的子类
+        -->
+        <render value="org.redkalex.htel.HttpTemplateRender">
+        </render>
         <!-- 
            【节点在<server>中唯一】
            当Server为HTTP协议时，ResourceServlet才有效. 默认存在一个有默认属性的resource-servlet节点

src/META-INF/logging-template.properties

@@ -18,6 +18,8 @@ java.util.logging.FileHandler.encoding = UTF-8
 java.util.logging.FileHandler.pattern = ${APP_HOME}/logs-%m/log-%d.log
 #java.util.logging.FileHandler.unusual \u5c5e\u6027\u8868\u793a\u5c06 WARNING\u3001SEVERE \u7ea7\u522b\u7684\u65e5\u5fd7\u590d\u5236\u5199\u5165\u5355\u72ec\u7684\u6587\u4ef6\u4e2d
 java.util.logging.FileHandler.unusual = ${APP_HOME}/logs-%m/log-warnerr-%d.log
+#\u9700\u8981\u5c4f\u853d\u6d88\u606f\u5185\u5bb9\u7684\u6b63\u5219\u8868\u8fbe\u5f0f
+java.util.logging.FileHandler.denyreg = 
 java.util.logging.FileHandler.append = true
 
 #java.util.logging.ConsoleHandler.level = FINE

src/module-info.java

@@ -0,0 +1,35 @@
+/**
+ * <p>
+ * see: https://redkale.org
+ *
+ * @author zhangjx
+ *
+module org.redkale {
+
+    requires java.base;
+    requires java.logging;
+    requires java.xml;
+    requires java.sql;
+    requires java.sql.rowset;
+
+    requires jdk.unsupported;  //sun.misc.Unsafe
+
+    exports javax.annotation;
+    exports javax.persistence;
+
+    exports org.redkale.boot;
+    exports org.redkale.boot.watch;
+    exports org.redkale.convert;
+    exports org.redkale.convert.bson;
+    exports org.redkale.convert.ext;
+    exports org.redkale.convert.json;
+    exports org.redkale.net;
+    exports org.redkale.net.http;
+    exports org.redkale.net.sncp;
+    exports org.redkale.service;
+    exports org.redkale.source;
+    exports org.redkale.util;
+    exports org.redkale.watch;
+    
+}
+*/

src/org/redkale/asm/AnnotationVisitor.java

@@ -0,0 +1,198 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A visitor to visit a Java annotation. The methods of this class must be
+ * called in the following order: ( <tt>visit</tt> | <tt>visitEnum</tt> |
+ * <tt>visitAnnotation</tt> | <tt>visitArray</tt> )* <tt>visitEnd</tt>.
+ *
+ * @author Eric Bruneton
+ * @author Eugene Kuleshov
+ */
+public abstract class AnnotationVisitor {
+
+    /**
+     * The ASM API version implemented by this visitor. The value of this field
+     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    protected final int api;
+
+    /**
+     * The annotation visitor to which this visitor must delegate method calls.
+     * May be null.
+     */
+    protected AnnotationVisitor av;
+
+    /**
+     * Constructs a new {@link AnnotationVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    public AnnotationVisitor(final int api) {
+        this(api, null);
+    }
+
+    /**
+     * Constructs a new {@link AnnotationVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * @param av
+     *            the annotation visitor to which this visitor must delegate
+     *            method calls. May be null.
+     */
+    public AnnotationVisitor(final int api, final AnnotationVisitor av) {
+        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
+            throw new IllegalArgumentException();
+        }
+        this.api = api;
+        this.av = av;
+    }
+
+    /**
+     * Visits a primitive value of the annotation.
+     *
+     * @param name
+     *            the value name.
+     * @param value
+     *            the actual value, whose type must be {@link Byte},
+     *            {@link Boolean}, {@link Character}, {@link Short},
+     *            {@link Integer} , {@link Long}, {@link Float}, {@link Double},
+     *            {@link String} or {@link Type} or OBJECT or ARRAY sort. This
+     *            value can also be an array of byte, boolean, short, char, int,
+     *            long, float or double values (this is equivalent to using
+     *            {@link #visitArray visitArray} and visiting each array element
+     *            in turn, but is more convenient).
+     */
+    public void visit(String name, Object value) {
+        if (av != null) {
+            av.visit(name, value);
+        }
+    }
+
+    /**
+     * Visits an enumeration value of the annotation.
+     *
+     * @param name
+     *            the value name.
+     * @param desc
+     *            the class descriptor of the enumeration class.
+     * @param value
+     *            the actual enumeration value.
+     */
+    public void visitEnum(String name, String desc, String value) {
+        if (av != null) {
+            av.visitEnum(name, desc, value);
+        }
+    }
+
+    /**
+     * Visits a nested annotation value of the annotation.
+     *
+     * @param name
+     *            the value name.
+     * @param desc
+     *            the class descriptor of the nested annotation class.
+     * @return a visitor to visit the actual nested annotation value, or
+     *         <tt>null</tt> if this visitor is not interested in visiting this
+     *         nested annotation. <i>The nested annotation value must be fully
+     *         visited before calling other methods on this annotation
+     *         visitor</i>.
+     */
+    public AnnotationVisitor visitAnnotation(String name, String desc) {
+        if (av != null) {
+            return av.visitAnnotation(name, desc);
+        }
+        return null;
+    }
+
+    /**
+     * Visits an array value of the annotation. Note that arrays of primitive
+     * types (such as byte, boolean, short, char, int, long, float or double)
+     * can be passed as value to {@link #visit visit}. This is what
+     * {@link ClassReader} does.
+     *
+     * @param name
+     *            the value name.
+     * @return a visitor to visit the actual array value elements, or
+     *         <tt>null</tt> if this visitor is not interested in visiting these
+     *         values. The 'name' parameters passed to the methods of this
+     *         visitor are ignored. <i>All the array values must be visited
+     *         before calling other methods on this annotation visitor</i>.
+     */
+    public AnnotationVisitor visitArray(String name) {
+        if (av != null) {
+            return av.visitArray(name);
+        }
+        return null;
+    }
+
+    /**
+     * Visits the end of the annotation.
+     */
+    public void visitEnd() {
+        if (av != null) {
+            av.visitEnd();
+        }
+    }
+}

src/org/redkale/asm/AnnotationWriter.java

@@ -0,0 +1,400 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * An {@link AnnotationVisitor} that generates annotations in bytecode form.
+ *
+ * @author Eric Bruneton
+ * @author Eugene Kuleshov
+ */
+final class AnnotationWriter extends AnnotationVisitor {
+
+    /**
+     * The class writer to which this annotation must be added.
+     */
+    private final ClassWriter cw;
+
+    /**
+     * The number of values in this annotation.
+     */
+    private int size;
+
+    /**
+     * <tt>true<tt> if values are named, <tt>false</tt> otherwise. Annotation
+     * writers used for annotation default and annotation arrays use unnamed
+     * values.
+     */
+    private final boolean named;
+
+    /**
+     * The annotation values in bytecode form. This byte vector only contains
+     * the values themselves, i.e. the number of values must be stored as a
+     * unsigned short just before these bytes.
+     */
+    private final ByteVector bv;
+
+    /**
+     * The byte vector to be used to store the number of values of this
+     * annotation. See {@link #bv}.
+     */
+    private final ByteVector parent;
+
+    /**
+     * Where the number of values of this annotation must be stored in
+     * {@link #parent}.
+     */
+    private final int offset;
+
+    /**
+     * Next annotation writer. This field is used to store annotation lists.
+     */
+    AnnotationWriter next;
+
+    /**
+     * Previous annotation writer. This field is used to store annotation lists.
+     */
+    AnnotationWriter prev;
+
+    // ------------------------------------------------------------------------
+    // Constructor
+    // ------------------------------------------------------------------------
+
+    /**
+     * Constructs a new {@link AnnotationWriter}.
+     *
+     * @param cw
+     *            the class writer to which this annotation must be added.
+     * @param named
+     *            <tt>true<tt> if values are named, <tt>false</tt> otherwise.
+     * @param bv
+     *            where the annotation values must be stored.
+     * @param parent
+     *            where the number of annotation values must be stored.
+     * @param offset
+     *            where in <tt>parent</tt> the number of annotation values must
+     *            be stored.
+     */
+    AnnotationWriter(final ClassWriter cw, final boolean named,
+            final ByteVector bv, final ByteVector parent, final int offset) {
+        super(Opcodes.ASM5);
+        this.cw = cw;
+        this.named = named;
+        this.bv = bv;
+        this.parent = parent;
+        this.offset = offset;
+    }
+
+    // ------------------------------------------------------------------------
+    // Implementation of the AnnotationVisitor abstract class
+    // ------------------------------------------------------------------------
+
+    @Override
+    public void visit(final String name, final Object value) {
+        ++size;
+        if (named) {
+            bv.putShort(cw.newUTF8(name));
+        }
+        if (value instanceof String) {
+            bv.put12('s', cw.newUTF8((String) value));
+        } else if (value instanceof Byte) {
+            bv.put12('B', cw.newInteger(((Byte) value).byteValue()).index);
+        } else if (value instanceof Boolean) {
+            int v = ((Boolean) value).booleanValue() ? 1 : 0;
+            bv.put12('Z', cw.newInteger(v).index);
+        } else if (value instanceof Character) {
+            bv.put12('C', cw.newInteger(((Character) value).charValue()).index);
+        } else if (value instanceof Short) {
+            bv.put12('S', cw.newInteger(((Short) value).shortValue()).index);
+        } else if (value instanceof Type) {
+            bv.put12('c', cw.newUTF8(((Type) value).getDescriptor()));
+        } else if (value instanceof byte[]) {
+            byte[] v = (byte[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('B', cw.newInteger(v[i]).index);
+            }
+        } else if (value instanceof boolean[]) {
+            boolean[] v = (boolean[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('Z', cw.newInteger(v[i] ? 1 : 0).index);
+            }
+        } else if (value instanceof short[]) {
+            short[] v = (short[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('S', cw.newInteger(v[i]).index);
+            }
+        } else if (value instanceof char[]) {
+            char[] v = (char[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('C', cw.newInteger(v[i]).index);
+            }
+        } else if (value instanceof int[]) {
+            int[] v = (int[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('I', cw.newInteger(v[i]).index);
+            }
+        } else if (value instanceof long[]) {
+            long[] v = (long[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('J', cw.newLong(v[i]).index);
+            }
+        } else if (value instanceof float[]) {
+            float[] v = (float[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('F', cw.newFloat(v[i]).index);
+            }
+        } else if (value instanceof double[]) {
+            double[] v = (double[]) value;
+            bv.put12('[', v.length);
+            for (int i = 0; i < v.length; i++) {
+                bv.put12('D', cw.newDouble(v[i]).index);
+            }
+        } else {
+            Item i = cw.newConstItem(value);
+            bv.put12(".s.IFJDCS".charAt(i.type), i.index);
+        }
+    }
+
+    @Override
+    public void visitEnum(final String name, final String desc,
+            final String value) {
+        ++size;
+        if (named) {
+            bv.putShort(cw.newUTF8(name));
+        }
+        bv.put12('e', cw.newUTF8(desc)).putShort(cw.newUTF8(value));
+    }
+
+    @Override
+    public AnnotationVisitor visitAnnotation(final String name,
+            final String desc) {
+        ++size;
+        if (named) {
+            bv.putShort(cw.newUTF8(name));
+        }
+        // write tag and type, and reserve space for values count
+        bv.put12('@', cw.newUTF8(desc)).putShort(0);
+        return new AnnotationWriter(cw, true, bv, bv, bv.length - 2);
+    }
+
+    @Override
+    public AnnotationVisitor visitArray(final String name) {
+        ++size;
+        if (named) {
+            bv.putShort(cw.newUTF8(name));
+        }
+        // write tag, and reserve space for array size
+        bv.put12('[', 0);
+        return new AnnotationWriter(cw, false, bv, bv, bv.length - 2);
+    }
+
+    @Override
+    public void visitEnd() {
+        if (parent != null) {
+            byte[] data = parent.data;
+            data[offset] = (byte) (size >>> 8);
+            data[offset + 1] = (byte) size;
+        }
+    }
+
+    // ------------------------------------------------------------------------
+    // Utility methods
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns the size of this annotation writer list.
+     *
+     * @return the size of this annotation writer list.
+     */
+    int getSize() {
+        int size = 0;
+        AnnotationWriter aw = this;
+        while (aw != null) {
+            size += aw.bv.length;
+            aw = aw.next;
+        }
+        return size;
+    }
+
+    /**
+     * Puts the annotations of this annotation writer list into the given byte
+     * vector.
+     *
+     * @param out
+     *            where the annotations must be put.
+     */
+    void put(final ByteVector out) {
+        int n = 0;
+        int size = 2;
+        AnnotationWriter aw = this;
+        AnnotationWriter last = null;
+        while (aw != null) {
+            ++n;
+            size += aw.bv.length;
+            aw.visitEnd(); // in case user forgot to call visitEnd
+            aw.prev = last;
+            last = aw;
+            aw = aw.next;
+        }
+        out.putInt(size);
+        out.putShort(n);
+        aw = last;
+        while (aw != null) {
+            out.putByteArray(aw.bv.data, 0, aw.bv.length);
+            aw = aw.prev;
+        }
+    }
+
+    /**
+     * Puts the given annotation lists into the given byte vector.
+     *
+     * @param panns
+     *            an array of annotation writer lists.
+     * @param off
+     *            index of the first annotation to be written.
+     * @param out
+     *            where the annotations must be put.
+     */
+    static void put(final AnnotationWriter[] panns, final int off,
+            final ByteVector out) {
+        int size = 1 + 2 * (panns.length - off);
+        for (int i = off; i < panns.length; ++i) {
+            size += panns[i] == null ? 0 : panns[i].getSize();
+        }
+        out.putInt(size).putByte(panns.length - off);
+        for (int i = off; i < panns.length; ++i) {
+            AnnotationWriter aw = panns[i];
+            AnnotationWriter last = null;
+            int n = 0;
+            while (aw != null) {
+                ++n;
+                aw.visitEnd(); // in case user forgot to call visitEnd
+                aw.prev = last;
+                last = aw;
+                aw = aw.next;
+            }
+            out.putShort(n);
+            aw = last;
+            while (aw != null) {
+                out.putByteArray(aw.bv.data, 0, aw.bv.length);
+                aw = aw.prev;
+            }
+        }
+    }
+
+    /**
+     * Puts the given type reference and type path into the given bytevector.
+     * LOCAL_VARIABLE and RESOURCE_VARIABLE target types are not supported.
+     *
+     * @param typeRef
+     *            a reference to the annotated type. See {@link TypeReference}.
+     * @param typePath
+     *            the path to the annotated type argument, wildcard bound, array
+     *            element type, or static inner type within 'typeRef'. May be
+     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+     * @param out
+     *            where the type reference and type path must be put.
+     */
+    static void putTarget(int typeRef, TypePath typePath, ByteVector out) {
+        switch (typeRef >>> 24) {
+        case 0x00: // CLASS_TYPE_PARAMETER
+        case 0x01: // METHOD_TYPE_PARAMETER
+        case 0x16: // METHOD_FORMAL_PARAMETER
+            out.putShort(typeRef >>> 16);
+            break;
+        case 0x13: // FIELD
+        case 0x14: // METHOD_RETURN
+        case 0x15: // METHOD_RECEIVER
+            out.putByte(typeRef >>> 24);
+            break;
+        case 0x47: // CAST
+        case 0x48: // CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+        case 0x49: // METHOD_INVOCATION_TYPE_ARGUMENT
+        case 0x4A: // CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+        case 0x4B: // METHOD_REFERENCE_TYPE_ARGUMENT
+            out.putInt(typeRef);
+            break;
+        // case 0x10: // CLASS_EXTENDS
+        // case 0x11: // CLASS_TYPE_PARAMETER_BOUND
+        // case 0x12: // METHOD_TYPE_PARAMETER_BOUND
+        // case 0x17: // THROWS
+        // case 0x42: // EXCEPTION_PARAMETER
+        // case 0x43: // INSTANCEOF
+        // case 0x44: // NEW
+        // case 0x45: // CONSTRUCTOR_REFERENCE
+        // case 0x46: // METHOD_REFERENCE
+        default:
+            out.put12(typeRef >>> 24, (typeRef & 0xFFFF00) >> 8);
+            break;
+        }
+        if (typePath == null) {
+            out.putByte(0);
+        } else {
+            int length = typePath.b[typePath.offset] * 2 + 1;
+            out.putByteArray(typePath.b, typePath.offset, length);
+        }
+    }
+}

src/org/redkale/asm/Attribute.java

@@ -0,0 +1,284 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A non standard class, field, method or code attribute.
+ *
+ * @author Eric Bruneton
+ * @author Eugene Kuleshov
+ */
+public class Attribute {
+
+    /**
+     * The type of this attribute.
+     */
+    public final String type;
+
+    /**
+     * The raw value of this attribute, used only for unknown attributes.
+     */
+    byte[] value;
+
+    /**
+     * The next attribute in this attribute list. May be <tt>null</tt>.
+     */
+    Attribute next;
+
+    /**
+     * Constructs a new empty attribute.
+     *
+     * @param type
+     *            the type of the attribute.
+     */
+    protected Attribute(final String type) {
+        this.type = type;
+    }
+
+    /**
+     * Returns <tt>true</tt> if this type of attribute is unknown. The default
+     * implementation of this method always returns <tt>true</tt>.
+     *
+     * @return <tt>true</tt> if this type of attribute is unknown.
+     */
+    public boolean isUnknown() {
+        return true;
+    }
+
+    /**
+     * Returns <tt>true</tt> if this type of attribute is a code attribute.
+     *
+     * @return <tt>true</tt> if this type of attribute is a code attribute.
+     */
+    public boolean isCodeAttribute() {
+        return false;
+    }
+
+    /**
+     * Returns the labels corresponding to this attribute.
+     *
+     * @return the labels corresponding to this attribute, or <tt>null</tt> if
+     *         this attribute is not a code attribute that contains labels.
+     */
+    protected Label[] getLabels() {
+        return null;
+    }
+
+    /**
+     * Reads a {@link #type type} attribute. This method must return a
+     * <i>new</i> {@link Attribute} object, of type {@link #type type},
+     * corresponding to the <tt>len</tt> bytes starting at the given offset, in
+     * the given class reader.
+     *
+     * @param cr
+     *            the class that contains the attribute to be read.
+     * @param off
+     *            index of the first byte of the attribute's content in
+     *            {@link ClassReader#b cr.b}. The 6 attribute header bytes,
+     *            containing the type and the length of the attribute, are not
+     *            taken into account here.
+     * @param len
+     *            the length of the attribute's content.
+     * @param buf
+     *            buffer to be used to call {@link ClassReader#readUTF8
+     *            readUTF8}, {@link ClassReader#readClass(int,char[]) readClass}
+     *            or {@link ClassReader#readConst readConst}.
+     * @param codeOff
+     *            index of the first byte of code's attribute content in
+     *            {@link ClassReader#b cr.b}, or -1 if the attribute to be read
+     *            is not a code attribute. The 6 attribute header bytes,
+     *            containing the type and the length of the attribute, are not
+     *            taken into account here.
+     * @param labels
+     *            the labels of the method's code, or <tt>null</tt> if the
+     *            attribute to be read is not a code attribute.
+     * @return a <i>new</i> {@link Attribute} object corresponding to the given
+     *         bytes.
+     */
+    protected Attribute read(final ClassReader cr, final int off,
+            final int len, final char[] buf, final int codeOff,
+            final Label[] labels) {
+        Attribute attr = new Attribute(type);
+        attr.value = new byte[len];
+        System.arraycopy(cr.b, off, attr.value, 0, len);
+        return attr;
+    }
+
+    /**
+     * Returns the byte array form of this attribute.
+     *
+     * @param cw
+     *            the class to which this attribute must be added. This
+     *            parameter can be used to add to the constant pool of this
+     *            class the items that corresponds to this attribute.
+     * @param code
+     *            the bytecode of the method corresponding to this code
+     *            attribute, or <tt>null</tt> if this attribute is not a code
+     *            attributes.
+     * @param len
+     *            the length of the bytecode of the method corresponding to this
+     *            code attribute, or <tt>null</tt> if this attribute is not a
+     *            code attribute.
+     * @param maxStack
+     *            the maximum stack size of the method corresponding to this
+     *            code attribute, or -1 if this attribute is not a code
+     *            attribute.
+     * @param maxLocals
+     *            the maximum number of local variables of the method
+     *            corresponding to this code attribute, or -1 if this attribute
+     *            is not a code attribute.
+     * @return the byte array form of this attribute.
+     */
+    protected ByteVector write(final ClassWriter cw, final byte[] code,
+            final int len, final int maxStack, final int maxLocals) {
+        ByteVector v = new ByteVector();
+        v.data = value;
+        v.length = value.length;
+        return v;
+    }
+
+    /**
+     * Returns the length of the attribute list that begins with this attribute.
+     *
+     * @return the length of the attribute list that begins with this attribute.
+     */
+    final int getCount() {
+        int count = 0;
+        Attribute attr = this;
+        while (attr != null) {
+            count += 1;
+            attr = attr.next;
+        }
+        return count;
+    }
+
+    /**
+     * Returns the size of all the attributes in this attribute list.
+     *
+     * @param cw
+     *            the class writer to be used to convert the attributes into
+     *            byte arrays, with the {@link #write write} method.
+     * @param code
+     *            the bytecode of the method corresponding to these code
+     *            attributes, or <tt>null</tt> if these attributes are not code
+     *            attributes.
+     * @param len
+     *            the length of the bytecode of the method corresponding to
+     *            these code attributes, or <tt>null</tt> if these attributes
+     *            are not code attributes.
+     * @param maxStack
+     *            the maximum stack size of the method corresponding to these
+     *            code attributes, or -1 if these attributes are not code
+     *            attributes.
+     * @param maxLocals
+     *            the maximum number of local variables of the method
+     *            corresponding to these code attributes, or -1 if these
+     *            attributes are not code attributes.
+     * @return the size of all the attributes in this attribute list. This size
+     *         includes the size of the attribute headers.
+     */
+    final int getSize(final ClassWriter cw, final byte[] code, final int len,
+            final int maxStack, final int maxLocals) {
+        Attribute attr = this;
+        int size = 0;
+        while (attr != null) {
+            cw.newUTF8(attr.type);
+            size += attr.write(cw, code, len, maxStack, maxLocals).length + 6;
+            attr = attr.next;
+        }
+        return size;
+    }
+
+    /**
+     * Writes all the attributes of this attribute list in the given byte
+     * vector.
+     *
+     * @param cw
+     *            the class writer to be used to convert the attributes into
+     *            byte arrays, with the {@link #write write} method.
+     * @param code
+     *            the bytecode of the method corresponding to these code
+     *            attributes, or <tt>null</tt> if these attributes are not code
+     *            attributes.
+     * @param len
+     *            the length of the bytecode of the method corresponding to
+     *            these code attributes, or <tt>null</tt> if these attributes
+     *            are not code attributes.
+     * @param maxStack
+     *            the maximum stack size of the method corresponding to these
+     *            code attributes, or -1 if these attributes are not code
+     *            attributes.
+     * @param maxLocals
+     *            the maximum number of local variables of the method
+     *            corresponding to these code attributes, or -1 if these
+     *            attributes are not code attributes.
+     * @param out
+     *            where the attributes must be written.
+     */
+    final void put(final ClassWriter cw, final byte[] code, final int len,
+            final int maxStack, final int maxLocals, final ByteVector out) {
+        Attribute attr = this;
+        while (attr != null) {
+            ByteVector b = attr.write(cw, code, len, maxStack, maxLocals);
+            out.putShort(cw.newUTF8(attr.type)).putInt(b.length);
+            out.putByteArray(b.data, 0, b.length);
+            attr = attr.next;
+        }
+    }
+}

src/org/redkale/asm/ByteVector.java

@@ -0,0 +1,368 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A dynamically extensible vector of bytes. This class is roughly equivalent to
+ * a DataOutputStream on top of a ByteArrayOutputStream, but is more efficient.
+ *
+ * @author Eric Bruneton
+ */
+public class ByteVector {
+
+    /**
+     * The content of this vector.
+     */
+    byte[] data;
+
+    /**
+     * Actual number of bytes in this vector.
+     */
+    int length;
+
+    /**
+     * Constructs a new {@link ByteVector ByteVector} with a default initial
+     * size.
+     */
+    public ByteVector() {
+        data = new byte[64];
+    }
+
+    /**
+     * Constructs a new {@link ByteVector ByteVector} with the given initial
+     * size.
+     *
+     * @param initialSize
+     *            the initial size of the byte vector to be constructed.
+     */
+    public ByteVector(final int initialSize) {
+        data = new byte[initialSize];
+    }
+
+    /**
+     * Puts a byte into this byte vector. The byte vector is automatically
+     * enlarged if necessary.
+     *
+     * @param b
+     *            a byte.
+     * @return this byte vector.
+     */
+    public ByteVector putByte(final int b) {
+        int length = this.length;
+        if (length + 1 > data.length) {
+            enlarge(1);
+        }
+        data[length++] = (byte) b;
+        this.length = length;
+        return this;
+    }
+
+    /**
+     * Puts two bytes into this byte vector. The byte vector is automatically
+     * enlarged if necessary.
+     *
+     * @param b1
+     *            a byte.
+     * @param b2
+     *            another byte.
+     * @return this byte vector.
+     */
+    ByteVector put11(final int b1, final int b2) {
+        int length = this.length;
+        if (length + 2 > data.length) {
+            enlarge(2);
+        }
+        byte[] data = this.data;
+        data[length++] = (byte) b1;
+        data[length++] = (byte) b2;
+        this.length = length;
+        return this;
+    }
+
+    /**
+     * Puts a short into this byte vector. The byte vector is automatically
+     * enlarged if necessary.
+     *
+     * @param s
+     *            a short.
+     * @return this byte vector.
+     */
+    public ByteVector putShort(final int s) {
+        int length = this.length;
+        if (length + 2 > data.length) {
+            enlarge(2);
+        }
+        byte[] data = this.data;
+        data[length++] = (byte) (s >>> 8);
+        data[length++] = (byte) s;
+        this.length = length;
+        return this;
+    }
+
+    /**
+     * Puts a byte and a short into this byte vector. The byte vector is
+     * automatically enlarged if necessary.
+     *
+     * @param b
+     *            a byte.
+     * @param s
+     *            a short.
+     * @return this byte vector.
+     */
+    ByteVector put12(final int b, final int s) {
+        int length = this.length;
+        if (length + 3 > data.length) {
+            enlarge(3);
+        }
+        byte[] data = this.data;
+        data[length++] = (byte) b;
+        data[length++] = (byte) (s >>> 8);
+        data[length++] = (byte) s;
+        this.length = length;
+        return this;
+    }
+
+    /**
+     * Puts an int into this byte vector. The byte vector is automatically
+     * enlarged if necessary.
+     *
+     * @param i
+     *            an int.
+     * @return this byte vector.
+     */
+    public ByteVector putInt(final int i) {
+        int length = this.length;
+        if (length + 4 > data.length) {
+            enlarge(4);
+        }
+        byte[] data = this.data;
+        data[length++] = (byte) (i >>> 24);
+        data[length++] = (byte) (i >>> 16);
+        data[length++] = (byte) (i >>> 8);
+        data[length++] = (byte) i;
+        this.length = length;
+        return this;
+    }
+
+    /**
+     * Puts a long into this byte vector. The byte vector is automatically
+     * enlarged if necessary.
+     *
+     * @param l
+     *            a long.
+     * @return this byte vector.
+     */
+    public ByteVector putLong(final long l) {
+        int length = this.length;
+        if (length + 8 > data.length) {
+            enlarge(8);
+        }
+        byte[] data = this.data;
+        int i = (int) (l >>> 32);
+        data[length++] = (byte) (i >>> 24);
+        data[length++] = (byte) (i >>> 16);
+        data[length++] = (byte) (i >>> 8);
+        data[length++] = (byte) i;
+        i = (int) l;
+        data[length++] = (byte) (i >>> 24);
+        data[length++] = (byte) (i >>> 16);
+        data[length++] = (byte) (i >>> 8);
+        data[length++] = (byte) i;
+        this.length = length;
+        return this;
+    }
+
+    /**
+     * Puts an UTF8 string into this byte vector. The byte vector is
+     * automatically enlarged if necessary.
+     *
+     * @param s
+     *            a String whose UTF8 encoded length must be less than 65536.
+     * @return this byte vector.
+     */
+    public ByteVector putUTF8(final String s) {
+        int charLength = s.length();
+        if (charLength > 65535) {
+            throw new IllegalArgumentException();
+        }
+        int len = length;
+        if (len + 2 + charLength > data.length) {
+            enlarge(2 + charLength);
+        }
+        byte[] data = this.data;
+        // optimistic algorithm: instead of computing the byte length and then
+        // serializing the string (which requires two loops), we assume the byte
+        // length is equal to char length (which is the most frequent case), and
+        // we start serializing the string right away. During the serialization,
+        // if we find that this assumption is wrong, we continue with the
+        // general method.
+        data[len++] = (byte) (charLength >>> 8);
+        data[len++] = (byte) charLength;
+        for (int i = 0; i < charLength; ++i) {
+            char c = s.charAt(i);
+            if (c >= '\001' && c <= '\177') {
+                data[len++] = (byte) c;
+            } else {
+                length = len;
+                return encodeUTF8(s, i, 65535);
+            }
+        }
+        length = len;
+        return this;
+    }
+
+    /**
+     * Puts an UTF8 string into this byte vector. The byte vector is
+     * automatically enlarged if necessary. The string length is encoded in two
+     * bytes before the encoded characters, if there is space for that (i.e. if
+     * this.length - i - 2 >= 0).
+     *
+     * @param s
+     *            the String to encode.
+     * @param i
+     *            the index of the first character to encode. The previous
+     *            characters are supposed to have already been encoded, using
+     *            only one byte per character.
+     * @param maxByteLength
+     *            the maximum byte length of the encoded string, including the
+     *            already encoded characters.
+     * @return this byte vector.
+     */
+    ByteVector encodeUTF8(final String s, int i, int maxByteLength) {
+        int charLength = s.length();
+        int byteLength = i;
+        char c;
+        for (int j = i; j < charLength; ++j) {
+            c = s.charAt(j);
+            if (c >= '\001' && c <= '\177') {
+                byteLength++;
+            } else if (c > '\u07FF') {
+                byteLength += 3;
+            } else {
+                byteLength += 2;
+            }
+        }
+        if (byteLength > maxByteLength) {
+            throw new IllegalArgumentException();
+        }
+        int start = length - i - 2;
+        if (start >= 0) {
+          data[start] = (byte) (byteLength >>> 8);
+          data[start + 1] = (byte) byteLength;
+        }
+        if (length + byteLength - i > data.length) {
+            enlarge(byteLength - i);
+        }
+        int len = length;
+        for (int j = i; j < charLength; ++j) {
+            c = s.charAt(j);
+            if (c >= '\001' && c <= '\177') {
+                data[len++] = (byte) c;
+            } else if (c > '\u07FF') {
+                data[len++] = (byte) (0xE0 | c >> 12 & 0xF);
+                data[len++] = (byte) (0x80 | c >> 6 & 0x3F);
+                data[len++] = (byte) (0x80 | c & 0x3F);
+            } else {
+                data[len++] = (byte) (0xC0 | c >> 6 & 0x1F);
+                data[len++] = (byte) (0x80 | c & 0x3F);
+            }
+        }
+        length = len;
+        return this;
+    }
+
+    /**
+     * Puts an array of bytes into this byte vector. The byte vector is
+     * automatically enlarged if necessary.
+     *
+     * @param b
+     *            an array of bytes. May be <tt>null</tt> to put <tt>len</tt>
+     *            null bytes into this byte vector.
+     * @param off
+     *            index of the fist byte of b that must be copied.
+     * @param len
+     *            number of bytes of b that must be copied.
+     * @return this byte vector.
+     */
+    public ByteVector putByteArray(final byte[] b, final int off, final int len) {
+        if (length + len > data.length) {
+            enlarge(len);
+        }
+        if (b != null) {
+            System.arraycopy(b, off, data, length, len);
+        }
+        length += len;
+        return this;
+    }
+
+    /**
+     * Enlarge this byte vector so that it can receive n more bytes.
+     *
+     * @param size
+     *            number of additional bytes that this byte vector should be
+     *            able to receive.
+     */
+    private void enlarge(final int size) {
+        int length1 = 2 * data.length;
+        int length2 = length + size;
+        byte[] newData = new byte[length1 > length2 ? length1 : length2];
+        System.arraycopy(data, 0, newData, 0, length);
+        data = newData;
+    }
+}

src/org/redkale/asm/ClassVisitor.java

@@ -0,0 +1,349 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A visitor to visit a Java class. The methods of this class must be called in
+ * the following order: <tt>visit</tt> [ <tt>visitSource</tt> ] [
+ * <tt>visitOuterClass</tt> ] ( <tt>visitAnnotation</tt> |
+ * <tt>visitTypeAnnotation</tt> | <tt>visitAttribute</tt> )* (
+ * <tt>visitInnerClass</tt> | <tt>visitField</tt> | <tt>visitMethod</tt> )*
+ * <tt>visitEnd</tt>.
+ *
+ * @author Eric Bruneton
+ */
+public abstract class ClassVisitor {
+
+    /**
+     * The ASM API version implemented by this visitor. The value of this field
+     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    protected final int api;
+
+    /**
+     * The class visitor to which this visitor must delegate method calls. May
+     * be null.
+     */
+    protected ClassVisitor cv;
+
+    /**
+     * Constructs a new {@link ClassVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    public ClassVisitor(final int api) {
+        this(api, null);
+    }
+
+    /**
+     * Constructs a new {@link ClassVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * @param cv
+     *            the class visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public ClassVisitor(final int api, final ClassVisitor cv) {
+        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
+            throw new IllegalArgumentException();
+        }
+        this.api = api;
+        this.cv = cv;
+    }
+
+    /**
+     * Visits the header of the class.
+     *
+     * @param version
+     *            the class version.
+     * @param access
+     *            the class's access flags (see {@link Opcodes}). This parameter
+     *            also indicates if the class is deprecated.
+     * @param name
+     *            the internal name of the class (see
+     *            {@link Type#getInternalName() getInternalName}).
+     * @param signature
+     *            the signature of this class. May be <tt>null</tt> if the class
+     *            is not a generic one, and does not extend or implement generic
+     *            classes or interfaces.
+     * @param superName
+     *            the internal of name of the super class (see
+     *            {@link Type#getInternalName() getInternalName}). For
+     *            interfaces, the super class is {@link Object}. May be
+     *            <tt>null</tt>, but only for the {@link Object} class.
+     * @param interfaces
+     *            the internal names of the class's interfaces (see
+     *            {@link Type#getInternalName() getInternalName}). May be
+     *            <tt>null</tt>.
+     */
+    public void visit(int version, int access, String name, String signature,
+            String superName, String[] interfaces) {
+        if (cv != null) {
+            cv.visit(version, access, name, signature, superName, interfaces);
+        }
+    }
+
+    /**
+     * Visits the source of the class.
+     *
+     * @param source
+     *            the name of the source file from which the class was compiled.
+     *            May be <tt>null</tt>.
+     * @param debug
+     *            additional debug information to compute the correspondance
+     *            between source and compiled elements of the class. May be
+     *            <tt>null</tt>.
+     */
+    public void visitSource(String source, String debug) {
+        if (cv != null) {
+            cv.visitSource(source, debug);
+        }
+    }
+
+    /**
+     * Visits the enclosing class of the class. This method must be called only
+     * if the class has an enclosing class.
+     *
+     * @param owner
+     *            internal name of the enclosing class of the class.
+     * @param name
+     *            the name of the method that contains the class, or
+     *            <tt>null</tt> if the class is not enclosed in a method of its
+     *            enclosing class.
+     * @param desc
+     *            the descriptor of the method that contains the class, or
+     *            <tt>null</tt> if the class is not enclosed in a method of its
+     *            enclosing class.
+     */
+    public void visitOuterClass(String owner, String name, String desc) {
+        if (cv != null) {
+            cv.visitOuterClass(owner, name, desc);
+        }
+    }
+
+    /**
+     * Visits an annotation of the class.
+     *
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
+        if (cv != null) {
+            return cv.visitAnnotation(desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits an annotation on a type in the class signature.
+     *
+     * @param typeRef
+     *            a reference to the annotated type. The sort of this type
+     *            reference must be {@link TypeReference#CLASS_TYPE_PARAMETER
+     *            CLASS_TYPE_PARAMETER},
+     *            {@link TypeReference#CLASS_TYPE_PARAMETER_BOUND
+     *            CLASS_TYPE_PARAMETER_BOUND} or
+     *            {@link TypeReference#CLASS_EXTENDS CLASS_EXTENDS}. See
+     *            {@link TypeReference}.
+     * @param typePath
+     *            the path to the annotated type argument, wildcard bound, array
+     *            element type, or static inner type within 'typeRef'. May be
+     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitTypeAnnotation(int typeRef,
+            TypePath typePath, String desc, boolean visible) {
+        if (api < Opcodes.ASM5) {
+            throw new RuntimeException();
+        }
+        if (cv != null) {
+            return cv.visitTypeAnnotation(typeRef, typePath, desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits a non standard attribute of the class.
+     *
+     * @param attr
+     *            an attribute.
+     */
+    public void visitAttribute(Attribute attr) {
+        if (cv != null) {
+            cv.visitAttribute(attr);
+        }
+    }
+
+    /**
+     * Visits information about an inner class. This inner class is not
+     * necessarily a member of the class being visited.
+     *
+     * @param name
+     *            the internal name of an inner class (see
+     *            {@link Type#getInternalName() getInternalName}).
+     * @param outerName
+     *            the internal name of the class to which the inner class
+     *            belongs (see {@link Type#getInternalName() getInternalName}).
+     *            May be <tt>null</tt> for not member classes.
+     * @param innerName
+     *            the (simple) name of the inner class inside its enclosing
+     *            class. May be <tt>null</tt> for anonymous inner classes.
+     * @param access
+     *            the access flags of the inner class as originally declared in
+     *            the enclosing class.
+     */
+    public void visitInnerClass(String name, String outerName,
+            String innerName, int access) {
+        if (cv != null) {
+            cv.visitInnerClass(name, outerName, innerName, access);
+        }
+    }
+
+    /**
+     * Visits a field of the class.
+     *
+     * @param access
+     *            the field's access flags (see {@link Opcodes}). This parameter
+     *            also indicates if the field is synthetic and/or deprecated.
+     * @param name
+     *            the field's name.
+     * @param desc
+     *            the field's descriptor (see {@link Type Type}).
+     * @param signature
+     *            the field's signature. May be <tt>null</tt> if the field's
+     *            type does not use generic types.
+     * @param value
+     *            the field's initial value. This parameter, which may be
+     *            <tt>null</tt> if the field does not have an initial value,
+     *            must be an {@link Integer}, a {@link Float}, a {@link Long}, a
+     *            {@link Double} or a {@link String} (for <tt>int</tt>,
+     *            <tt>float</tt>, <tt>long</tt> or <tt>String</tt> fields
+     *            respectively). <i>This parameter is only used for static
+     *            fields</i>. Its value is ignored for non static fields, which
+     *            must be initialized through bytecode instructions in
+     *            constructors or methods.
+     * @return a visitor to visit field annotations and attributes, or
+     *         <tt>null</tt> if this class visitor is not interested in visiting
+     *         these annotations and attributes.
+     */
+    public FieldVisitor visitField(int access, String name, String desc,
+            String signature, Object value) {
+        if (cv != null) {
+            return cv.visitField(access, name, desc, signature, value);
+        }
+        return null;
+    }
+
+    /**
+     * Visits a method of the class. This method <i>must</i> return a new
+     * {@link MethodVisitor} instance (or <tt>null</tt>) each time it is called,
+     * i.e., it should not return a previously returned visitor.
+     *
+     * @param access
+     *            the method's access flags (see {@link Opcodes}). This
+     *            parameter also indicates if the method is synthetic and/or
+     *            deprecated.
+     * @param name
+     *            the method's name.
+     * @param desc
+     *            the method's descriptor (see {@link Type Type}).
+     * @param signature
+     *            the method's signature. May be <tt>null</tt> if the method
+     *            parameters, return type and exceptions do not use generic
+     *            types.
+     * @param exceptions
+     *            the internal names of the method's exception classes (see
+     *            {@link Type#getInternalName() getInternalName}). May be
+     *            <tt>null</tt>.
+     * @return an object to visit the byte code of the method, or <tt>null</tt>
+     *         if this class visitor is not interested in visiting the code of
+     *         this method.
+     */
+    public MethodVisitor visitMethod(int access, String name, String desc,
+            String signature, String[] exceptions) {
+        if (cv != null) {
+            return cv.visitMethod(access, name, desc, signature, exceptions);
+        }
+        return null;
+    }
+
+    /**
+     * Visits the end of the class. This method, which is the last one to be
+     * called, is used to inform the visitor that all the fields and methods of
+     * the class have been visited.
+     */
+    public void visitEnd() {
+        if (cv != null) {
+            cv.visitEnd();
+        }
+    }
+}

src/org/redkale/asm/Context.java

@@ -0,0 +1,174 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.redkale.asm;
+
+/**
+ * Information about a class being parsed in a {@link ClassReader}.
+ *
+ * @author Eric Bruneton
+ */
+class Context {
+
+    /**
+     * Prototypes of the attributes that must be parsed for this class.
+     */
+    Attribute[] attrs;
+
+    /**
+     * The {@link ClassReader} option flags for the parsing of this class.
+     */
+    int flags;
+
+    /**
+     * The buffer used to read strings.
+     */
+    char[] buffer;
+
+    /**
+     * The start index of each bootstrap method.
+     */
+    int[] bootstrapMethods;
+
+    /**
+     * The access flags of the method currently being parsed.
+     */
+    int access;
+
+    /**
+     * The name of the method currently being parsed.
+     */
+    String name;
+
+    /**
+     * The descriptor of the method currently being parsed.
+     */
+    String desc;
+
+    /**
+     * The label objects, indexed by bytecode offset, of the method currently
+     * being parsed (only bytecode offsets for which a label is needed have a
+     * non null associated Label object).
+     */
+    Label[] labels;
+
+    /**
+     * The target of the type annotation currently being parsed.
+     */
+    int typeRef;
+
+    /**
+     * The path of the type annotation currently being parsed.
+     */
+    TypePath typePath;
+
+    /**
+     * The offset of the latest stack map frame that has been parsed.
+     */
+    int offset;
+
+    /**
+     * The labels corresponding to the start of the local variable ranges in the
+     * local variable type annotation currently being parsed.
+     */
+    Label[] start;
+
+    /**
+     * The labels corresponding to the end of the local variable ranges in the
+     * local variable type annotation currently being parsed.
+     */
+    Label[] end;
+
+    /**
+     * The local variable indices for each local variable range in the local
+     * variable type annotation currently being parsed.
+     */
+    int[] index;
+
+    /**
+     * The encoding of the latest stack map frame that has been parsed.
+     */
+    int mode;
+
+    /**
+     * The number of locals in the latest stack map frame that has been parsed.
+     */
+    int localCount;
+
+    /**
+     * The number locals in the latest stack map frame that has been parsed,
+     * minus the number of locals in the previous frame.
+     */
+    int localDiff;
+
+    /**
+     * The local values of the latest stack map frame that has been parsed.
+     */
+    Object[] local;
+
+    /**
+     * The stack size of the latest stack map frame that has been parsed.
+     */
+    int stackCount;
+
+    /**
+     * The stack values of the latest stack map frame that has been parsed.
+     */
+    Object[] stack;
+}

src/org/redkale/asm/Edge.java

@@ -0,0 +1,104 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * An edge in the control flow graph of a method body. See {@link Label Label}.
+ *
+ * @author Eric Bruneton
+ */
+class Edge {
+
+    /**
+     * Denotes a normal control flow graph edge.
+     */
+    static final int NORMAL = 0;
+
+    /**
+     * Denotes a control flow graph edge corresponding to an exception handler.
+     * More precisely any {@link Edge} whose {@link #info} is strictly positive
+     * corresponds to an exception handler. The actual value of {@link #info} is
+     * the index, in the {@link ClassWriter} type table, of the exception that
+     * is catched.
+     */
+    static final int EXCEPTION = 0x7FFFFFFF;
+
+    /**
+     * Information about this control flow graph edge. If
+     * {@link ClassWriter#COMPUTE_MAXS} is used this field is the (relative)
+     * stack size in the basic block from which this edge originates. This size
+     * is equal to the stack size at the "jump" instruction to which this edge
+     * corresponds, relatively to the stack size at the beginning of the
+     * originating basic block. If {@link ClassWriter#COMPUTE_FRAMES} is used,
+     * this field is the kind of this control flow graph edge (i.e. NORMAL or
+     * EXCEPTION).
+     */
+    int info;
+
+    /**
+     * The successor block of the basic block from which this edge originates.
+     */
+    Label successor;
+
+    /**
+     * The next edge in the list of successors of the originating basic block.
+     * See {@link Label#successors successors}.
+     */
+    Edge next;
+}

src/org/redkale/asm/FieldVisitor.java

@@ -0,0 +1,179 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A visitor to visit a Java field. The methods of this class must be called in
+ * the following order: ( <tt>visitAnnotation</tt> |
+ * <tt>visitTypeAnnotation</tt> | <tt>visitAttribute</tt> )* <tt>visitEnd</tt>.
+ *
+ * @author Eric Bruneton
+ */
+public abstract class FieldVisitor {
+
+    /**
+     * The ASM API version implemented by this visitor. The value of this field
+     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    protected final int api;
+
+    /**
+     * The field visitor to which this visitor must delegate method calls. May
+     * be null.
+     */
+    protected FieldVisitor fv;
+
+    /**
+     * Constructs a new {@link FieldVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    public FieldVisitor(final int api) {
+        this(api, null);
+    }
+
+    /**
+     * Constructs a new {@link FieldVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * @param fv
+     *            the field visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public FieldVisitor(final int api, final FieldVisitor fv) {
+        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
+            throw new IllegalArgumentException();
+        }
+        this.api = api;
+        this.fv = fv;
+    }
+
+    /**
+     * Visits an annotation of the field.
+     *
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
+        if (fv != null) {
+            return fv.visitAnnotation(desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits an annotation on the type of the field.
+     *
+     * @param typeRef
+     *            a reference to the annotated type. The sort of this type
+     *            reference must be {@link TypeReference#FIELD FIELD}. See
+     *            {@link TypeReference}.
+     * @param typePath
+     *            the path to the annotated type argument, wildcard bound, array
+     *            element type, or static inner type within 'typeRef'. May be
+     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitTypeAnnotation(int typeRef,
+            TypePath typePath, String desc, boolean visible) {
+        if (api < Opcodes.ASM5) {
+            throw new RuntimeException();
+        }
+        if (fv != null) {
+            return fv.visitTypeAnnotation(typeRef, typePath, desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits a non standard attribute of the field.
+     *
+     * @param attr
+     *            an attribute.
+     */
+    public void visitAttribute(Attribute attr) {
+        if (fv != null) {
+            fv.visitAttribute(attr);
+        }
+    }
+
+    /**
+     * Visits the end of the field. This method, which is the last one to be
+     * called, is used to inform the visitor that all the annotations and
+     * attributes of the field have been visited.
+     */
+    public void visitEnd() {
+        if (fv != null) {
+            fv.visitEnd();
+        }
+    }
+}

src/org/redkale/asm/FieldWriter.java

@@ -0,0 +1,358 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * An {@link FieldVisitor} that generates Java fields in bytecode form.
+ *
+ * @author Eric Bruneton
+ */
+final class FieldWriter extends FieldVisitor {
+
+    /**
+     * The class writer to which this field must be added.
+     */
+    private final ClassWriter cw;
+
+    /**
+     * Access flags of this field.
+     */
+    private final int access;
+
+    /**
+     * The index of the constant pool item that contains the name of this
+     * method.
+     */
+    private final int name;
+
+    /**
+     * The index of the constant pool item that contains the descriptor of this
+     * field.
+     */
+    private final int desc;
+
+    /**
+     * The index of the constant pool item that contains the signature of this
+     * field.
+     */
+    private int signature;
+
+    /**
+     * The index of the constant pool item that contains the constant value of
+     * this field.
+     */
+    private int value;
+
+    /**
+     * The runtime visible annotations of this field. May be <tt>null</tt>.
+     */
+    private AnnotationWriter anns;
+
+    /**
+     * The runtime invisible annotations of this field. May be <tt>null</tt>.
+     */
+    private AnnotationWriter ianns;
+
+    /**
+     * The runtime visible type annotations of this field. May be <tt>null</tt>.
+     */
+    private AnnotationWriter tanns;
+
+    /**
+     * The runtime invisible type annotations of this field. May be
+     * <tt>null</tt>.
+     */
+    private AnnotationWriter itanns;
+
+    /**
+     * The non standard attributes of this field. May be <tt>null</tt>.
+     */
+    private Attribute attrs;
+
+    // ------------------------------------------------------------------------
+    // Constructor
+    // ------------------------------------------------------------------------
+
+    /**
+     * Constructs a new {@link FieldWriter}.
+     *
+     * @param cw
+     *            the class writer to which this field must be added.
+     * @param access
+     *            the field's access flags (see {@link Opcodes}).
+     * @param name
+     *            the field's name.
+     * @param desc
+     *            the field's descriptor (see {@link Type}).
+     * @param signature
+     *            the field's signature. May be <tt>null</tt>.
+     * @param value
+     *            the field's constant value. May be <tt>null</tt>.
+     */
+    FieldWriter(final ClassWriter cw, final int access, final String name,
+            final String desc, final String signature, final Object value) {
+        super(Opcodes.ASM5);
+        if (cw.firstField == null) {
+            cw.firstField = this;
+        } else {
+            cw.lastField.fv = this;
+        }
+        cw.lastField = this;
+        this.cw = cw;
+        this.access = access;
+        this.name = cw.newUTF8(name);
+        this.desc = cw.newUTF8(desc);
+        if (ClassReader.SIGNATURES && signature != null) {
+            this.signature = cw.newUTF8(signature);
+        }
+        if (value != null) {
+            this.value = cw.newConstItem(value).index;
+        }
+    }
+
+    // ------------------------------------------------------------------------
+    // Implementation of the FieldVisitor abstract class
+    // ------------------------------------------------------------------------
+
+    @Override
+    public AnnotationVisitor visitAnnotation(final String desc,
+            final boolean visible) {
+        if (!ClassReader.ANNOTATIONS) {
+            return null;
+        }
+        ByteVector bv = new ByteVector();
+        // write type, and reserve space for values count
+        bv.putShort(cw.newUTF8(desc)).putShort(0);
+        AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv, 2);
+        if (visible) {
+            aw.next = anns;
+            anns = aw;
+        } else {
+            aw.next = ianns;
+            ianns = aw;
+        }
+        return aw;
+    }
+
+    @Override
+    public AnnotationVisitor visitTypeAnnotation(final int typeRef,
+            final TypePath typePath, final String desc, final boolean visible) {
+        if (!ClassReader.ANNOTATIONS) {
+            return null;
+        }
+        ByteVector bv = new ByteVector();
+        // write target_type and target_info
+        AnnotationWriter.putTarget(typeRef, typePath, bv);
+        // write type, and reserve space for values count
+        bv.putShort(cw.newUTF8(desc)).putShort(0);
+        AnnotationWriter aw = new AnnotationWriter(cw, true, bv, bv,
+                bv.length - 2);
+        if (visible) {
+            aw.next = tanns;
+            tanns = aw;
+        } else {
+            aw.next = itanns;
+            itanns = aw;
+        }
+        return aw;
+    }
+
+    @Override
+    public void visitAttribute(final Attribute attr) {
+        attr.next = attrs;
+        attrs = attr;
+    }
+
+    @Override
+    public void visitEnd() {
+    }
+
+    // ------------------------------------------------------------------------
+    // Utility methods
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns the size of this field.
+     *
+     * @return the size of this field.
+     */
+    int getSize() {
+        int size = 8;
+        if (value != 0) {
+            cw.newUTF8("ConstantValue");
+            size += 8;
+        }
+        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
+            if ((cw.version & 0xFFFF) < Opcodes.V1_5
+                    || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
+                cw.newUTF8("Synthetic");
+                size += 6;
+            }
+        }
+        if ((access & Opcodes.ACC_DEPRECATED) != 0) {
+            cw.newUTF8("Deprecated");
+            size += 6;
+        }
+        if (ClassReader.SIGNATURES && signature != 0) {
+            cw.newUTF8("Signature");
+            size += 8;
+        }
+        if (ClassReader.ANNOTATIONS && anns != null) {
+            cw.newUTF8("RuntimeVisibleAnnotations");
+            size += 8 + anns.getSize();
+        }
+        if (ClassReader.ANNOTATIONS && ianns != null) {
+            cw.newUTF8("RuntimeInvisibleAnnotations");
+            size += 8 + ianns.getSize();
+        }
+        if (ClassReader.ANNOTATIONS && tanns != null) {
+            cw.newUTF8("RuntimeVisibleTypeAnnotations");
+            size += 8 + tanns.getSize();
+        }
+        if (ClassReader.ANNOTATIONS && itanns != null) {
+            cw.newUTF8("RuntimeInvisibleTypeAnnotations");
+            size += 8 + itanns.getSize();
+        }
+        if (attrs != null) {
+            size += attrs.getSize(cw, null, 0, -1, -1);
+        }
+        return size;
+    }
+
+    /**
+     * Puts the content of this field into the given byte vector.
+     *
+     * @param out
+     *            where the content of this field must be put.
+     */
+    void put(final ByteVector out) {
+        final int FACTOR = ClassWriter.TO_ACC_SYNTHETIC;
+        int mask = Opcodes.ACC_DEPRECATED | ClassWriter.ACC_SYNTHETIC_ATTRIBUTE
+                | ((access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) / FACTOR);
+        out.putShort(access & ~mask).putShort(name).putShort(desc);
+        int attributeCount = 0;
+        if (value != 0) {
+            ++attributeCount;
+        }
+        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
+            if ((cw.version & 0xFFFF) < Opcodes.V1_5
+                    || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
+                ++attributeCount;
+            }
+        }
+        if ((access & Opcodes.ACC_DEPRECATED) != 0) {
+            ++attributeCount;
+        }
+        if (ClassReader.SIGNATURES && signature != 0) {
+            ++attributeCount;
+        }
+        if (ClassReader.ANNOTATIONS && anns != null) {
+            ++attributeCount;
+        }
+        if (ClassReader.ANNOTATIONS && ianns != null) {
+            ++attributeCount;
+        }
+        if (ClassReader.ANNOTATIONS && tanns != null) {
+            ++attributeCount;
+        }
+        if (ClassReader.ANNOTATIONS && itanns != null) {
+            ++attributeCount;
+        }
+        if (attrs != null) {
+            attributeCount += attrs.getCount();
+        }
+        out.putShort(attributeCount);
+        if (value != 0) {
+            out.putShort(cw.newUTF8("ConstantValue"));
+            out.putInt(2).putShort(value);
+        }
+        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
+            if ((cw.version & 0xFFFF) < Opcodes.V1_5
+                    || (access & ClassWriter.ACC_SYNTHETIC_ATTRIBUTE) != 0) {
+                out.putShort(cw.newUTF8("Synthetic")).putInt(0);
+            }
+        }
+        if ((access & Opcodes.ACC_DEPRECATED) != 0) {
+            out.putShort(cw.newUTF8("Deprecated")).putInt(0);
+        }
+        if (ClassReader.SIGNATURES && signature != 0) {
+            out.putShort(cw.newUTF8("Signature"));
+            out.putInt(2).putShort(signature);
+        }
+        if (ClassReader.ANNOTATIONS && anns != null) {
+            out.putShort(cw.newUTF8("RuntimeVisibleAnnotations"));
+            anns.put(out);
+        }
+        if (ClassReader.ANNOTATIONS && ianns != null) {
+            out.putShort(cw.newUTF8("RuntimeInvisibleAnnotations"));
+            ianns.put(out);
+        }
+        if (ClassReader.ANNOTATIONS && tanns != null) {
+            out.putShort(cw.newUTF8("RuntimeVisibleTypeAnnotations"));
+            tanns.put(out);
+        }
+        if (ClassReader.ANNOTATIONS && itanns != null) {
+            out.putShort(cw.newUTF8("RuntimeInvisibleTypeAnnotations"));
+            itanns.put(out);
+        }
+        if (attrs != null) {
+            attrs.put(cw, null, 0, -1, -1, out);
+        }
+    }
+}

src/org/redkale/asm/Handle.java

@@ -0,0 +1,251 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.redkale.asm;
+
+/**
+ * A reference to a field or a method.
+ *
+ * @author Remi Forax
+ * @author Eric Bruneton
+ */
+public final class Handle {
+
+    /**
+     * The kind of field or method designated by this Handle. Should be
+     * {@link Opcodes#H_GETFIELD}, {@link Opcodes#H_GETSTATIC},
+     * {@link Opcodes#H_PUTFIELD}, {@link Opcodes#H_PUTSTATIC},
+     * {@link Opcodes#H_INVOKEVIRTUAL}, {@link Opcodes#H_INVOKESTATIC},
+     * {@link Opcodes#H_INVOKESPECIAL}, {@link Opcodes#H_NEWINVOKESPECIAL} or
+     * {@link Opcodes#H_INVOKEINTERFACE}.
+     */
+    final int tag;
+
+    /**
+     * The internal name of the class that owns the field or method designated
+     * by this handle.
+     */
+    final String owner;
+
+    /**
+     * The name of the field or method designated by this handle.
+     */
+    final String name;
+
+    /**
+     * The descriptor of the field or method designated by this handle.
+     */
+    final String desc;
+
+
+    /**
+     * Indicate if the owner is an interface or not.
+     */
+    final boolean itf;
+
+    /**
+     * Constructs a new field or method handle.
+     *
+     * @param tag
+     *            the kind of field or method designated by this Handle. Must be
+     *            {@link Opcodes#H_GETFIELD}, {@link Opcodes#H_GETSTATIC},
+     *            {@link Opcodes#H_PUTFIELD}, {@link Opcodes#H_PUTSTATIC},
+     *            {@link Opcodes#H_INVOKEVIRTUAL},
+     *            {@link Opcodes#H_INVOKESTATIC},
+     *            {@link Opcodes#H_INVOKESPECIAL},
+     *            {@link Opcodes#H_NEWINVOKESPECIAL} or
+     *            {@link Opcodes#H_INVOKEINTERFACE}.
+     * @param owner
+     *            the internal name of the class that owns the field or method
+     *            designated by this handle.
+     * @param name
+     *            the name of the field or method designated by this handle.
+     * @param desc
+     *            the descriptor of the field or method designated by this
+     *            handle.
+     *
+     * @deprecated this constructor has been superseded
+     *             by {@link #Handle(int, String, String, String, boolean)}.
+     */
+    @Deprecated
+    public Handle(int tag, String owner, String name, String desc) {
+        this(tag, owner, name, desc, tag == Opcodes.H_INVOKEINTERFACE);
+    }
+
+    /**
+     * Constructs a new field or method handle.
+     *
+     * @param tag
+     *            the kind of field or method designated by this Handle. Must be
+     *            {@link Opcodes#H_GETFIELD}, {@link Opcodes#H_GETSTATIC},
+     *            {@link Opcodes#H_PUTFIELD}, {@link Opcodes#H_PUTSTATIC},
+     *            {@link Opcodes#H_INVOKEVIRTUAL},
+     *            {@link Opcodes#H_INVOKESTATIC},
+     *            {@link Opcodes#H_INVOKESPECIAL},
+     *            {@link Opcodes#H_NEWINVOKESPECIAL} or
+     *            {@link Opcodes#H_INVOKEINTERFACE}.
+     * @param owner
+     *            the internal name of the class that owns the field or method
+     *            designated by this handle.
+     * @param name
+     *            the name of the field or method designated by this handle.
+     * @param desc
+     *            the descriptor of the field or method designated by this
+     *            handle.
+     * @param itf
+     *            true if the owner is an interface.
+     */
+    public Handle(int tag, String owner, String name, String desc, boolean itf) {
+        this.tag = tag;
+        this.owner = owner;
+        this.name = name;
+        this.desc = desc;
+        this.itf = itf;
+    }
+
+    /**
+     * Returns the kind of field or method designated by this handle.
+     *
+     * @return {@link Opcodes#H_GETFIELD}, {@link Opcodes#H_GETSTATIC},
+     *         {@link Opcodes#H_PUTFIELD}, {@link Opcodes#H_PUTSTATIC},
+     *         {@link Opcodes#H_INVOKEVIRTUAL}, {@link Opcodes#H_INVOKESTATIC},
+     *         {@link Opcodes#H_INVOKESPECIAL},
+     *         {@link Opcodes#H_NEWINVOKESPECIAL} or
+     *         {@link Opcodes#H_INVOKEINTERFACE}.
+     */
+    public int getTag() {
+        return tag;
+    }
+
+    /**
+     * Returns the internal name of the class that owns the field or method
+     * designated by this handle.
+     *
+     * @return the internal name of the class that owns the field or method
+     *         designated by this handle.
+     */
+    public String getOwner() {
+        return owner;
+    }
+
+    /**
+     * Returns the name of the field or method designated by this handle.
+     *
+     * @return the name of the field or method designated by this handle.
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Returns the descriptor of the field or method designated by this handle.
+     *
+     * @return the descriptor of the field or method designated by this handle.
+     */
+    public String getDesc() {
+        return desc;
+    }
+
+    /**
+     * Returns true if the owner of the field or method designated
+     * by this handle is an interface.
+     *
+     * @return true if the owner of the field or method designated
+     *         by this handle is an interface.
+     */
+    public boolean isInterface() {
+        return itf;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        }
+        if (!(obj instanceof Handle)) {
+            return false;
+        }
+        Handle h = (Handle) obj;
+        return tag == h.tag && itf == h.itf && owner.equals(h.owner)
+                && name.equals(h.name) && desc.equals(h.desc);
+    }
+
+    @Override
+    public int hashCode() {
+        return tag + (itf? 64: 0) + owner.hashCode() * name.hashCode() * desc.hashCode();
+    }
+
+    /**
+     * Returns the textual representation of this handle. The textual
+     * representation is:
+     *
+     * <pre>
+     * for a reference to a class:
+     * owner '.' name desc ' ' '(' tag ')'
+     * for a reference to an interface:
+     * owner '.' name desc ' ' '(' tag ' ' itf ')'
+     * </pre>
+     *
+     * . As this format is unambiguous, it can be parsed if necessary.
+     */
+    @Override
+    public String toString() {
+        return owner + '.' + name + desc + " (" + tag + (itf? " itf": "") + ')';
+    }
+}

src/org/redkale/asm/Handler.java

@@ -0,0 +1,150 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * Information about an exception handler block.
+ *
+ * @author Eric Bruneton
+ */
+class Handler {
+
+    /**
+     * Beginning of the exception handler's scope (inclusive).
+     */
+    Label start;
+
+    /**
+     * End of the exception handler's scope (exclusive).
+     */
+    Label end;
+
+    /**
+     * Beginning of the exception handler's code.
+     */
+    Label handler;
+
+    /**
+     * Internal name of the type of exceptions handled by this handler, or
+     * <tt>null</tt> to catch any exceptions.
+     */
+    String desc;
+
+    /**
+     * Constant pool index of the internal name of the type of exceptions
+     * handled by this handler, or 0 to catch any exceptions.
+     */
+    int type;
+
+    /**
+     * Next exception handler block info.
+     */
+    Handler next;
+
+    /**
+     * Removes the range between start and end from the given exception
+     * handlers.
+     *
+     * @param h
+     *            an exception handler list.
+     * @param start
+     *            the start of the range to be removed.
+     * @param end
+     *            the end of the range to be removed. Maybe null.
+     * @return the exception handler list with the start-end range removed.
+     */
+    static Handler remove(Handler h, Label start, Label end) {
+        if (h == null) {
+            return null;
+        } else {
+            h.next = remove(h.next, start, end);
+        }
+        int hstart = h.start.position;
+        int hend = h.end.position;
+        int s = start.position;
+        int e = end == null ? Integer.MAX_VALUE : end.position;
+        // if [hstart,hend[ and [s,e[ intervals intersect...
+        if (s < hend && e > hstart) {
+            if (s <= hstart) {
+                if (e >= hend) {
+                    // [hstart,hend[ fully included in [s,e[, h removed
+                    h = h.next;
+                } else {
+                    // [hstart,hend[ minus [s,e[ = [e,hend[
+                    h.start = end;
+                }
+            } else if (e >= hend) {
+                // [hstart,hend[ minus [s,e[ = [hstart,s[
+                h.end = start;
+            } else {
+                // [hstart,hend[ minus [s,e[ = [hstart,s[ + [e,hend[
+                Handler g = new Handler();
+                g.start = end;
+                g.end = h.end;
+                g.handler = h.handler;
+                g.desc = h.desc;
+                g.type = h.type;
+                g.next = h.next;
+                h.end = start;
+                h.next = g;
+            }
+        }
+        return h;
+    }
+}

src/org/redkale/asm/Item.java

@@ -0,0 +1,346 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A constant pool item. Constant pool items can be created with the 'newXXX'
+ * methods in the {@link ClassWriter} class.
+ *
+ * @author Eric Bruneton
+ */
+final class Item {
+
+    /**
+     * Index of this item in the constant pool.
+     */
+    int index;
+
+    /**
+     * Type of this constant pool item. A single class is used to represent all
+     * constant pool item types, in order to minimize the bytecode size of this
+     * package. The value of this field is one of {@link ClassWriter#INT},
+     * {@link ClassWriter#LONG}, {@link ClassWriter#FLOAT},
+     * {@link ClassWriter#DOUBLE}, {@link ClassWriter#UTF8},
+     * {@link ClassWriter#STR}, {@link ClassWriter#CLASS},
+     * {@link ClassWriter#NAME_TYPE}, {@link ClassWriter#FIELD},
+     * {@link ClassWriter#METH}, {@link ClassWriter#IMETH},
+     * {@link ClassWriter#MTYPE}, {@link ClassWriter#INDY}.
+     *
+     * MethodHandle constant 9 variations are stored using a range of 9 values
+     * from {@link ClassWriter#HANDLE_BASE} + 1 to
+     * {@link ClassWriter#HANDLE_BASE} + 9.
+     *
+     * Special Item types are used for Items that are stored in the ClassWriter
+     * {@link ClassWriter#typeTable}, instead of the constant pool, in order to
+     * avoid clashes with normal constant pool items in the ClassWriter constant
+     * pool's hash table. These special item types are
+     * {@link ClassWriter#TYPE_NORMAL}, {@link ClassWriter#TYPE_UNINIT} and
+     * {@link ClassWriter#TYPE_MERGED}.
+     */
+    int type;
+
+    /**
+     * Value of this item, for an integer item.
+     */
+    int intVal;
+
+    /**
+     * Value of this item, for a long item.
+     */
+    long longVal;
+
+    /**
+     * First part of the value of this item, for items that do not hold a
+     * primitive value.
+     */
+    String strVal1;
+
+    /**
+     * Second part of the value of this item, for items that do not hold a
+     * primitive value.
+     */
+    String strVal2;
+
+    /**
+     * Third part of the value of this item, for items that do not hold a
+     * primitive value.
+     */
+    String strVal3;
+
+    /**
+     * The hash code value of this constant pool item.
+     */
+    int hashCode;
+
+    /**
+     * Link to another constant pool item, used for collision lists in the
+     * constant pool's hash table.
+     */
+    Item next;
+
+    /**
+     * Constructs an uninitialized {@link Item}.
+     */
+    Item() {
+    }
+
+    /**
+     * Constructs an uninitialized {@link Item} for constant pool element at
+     * given position.
+     *
+     * @param index
+     *            index of the item to be constructed.
+     */
+    Item(final int index) {
+        this.index = index;
+    }
+
+    /**
+     * Constructs a copy of the given item.
+     *
+     * @param index
+     *            index of the item to be constructed.
+     * @param i
+     *            the item that must be copied into the item to be constructed.
+     */
+    Item(final int index, final Item i) {
+        this.index = index;
+        type = i.type;
+        intVal = i.intVal;
+        longVal = i.longVal;
+        strVal1 = i.strVal1;
+        strVal2 = i.strVal2;
+        strVal3 = i.strVal3;
+        hashCode = i.hashCode;
+    }
+
+    /**
+     * Sets this item to an integer item.
+     *
+     * @param intVal
+     *            the value of this item.
+     */
+    void set(final int intVal) {
+        this.type = ClassWriter.INT;
+        this.intVal = intVal;
+        this.hashCode = 0x7FFFFFFF & (type + intVal);
+    }
+
+    /**
+     * Sets this item to a long item.
+     *
+     * @param longVal
+     *            the value of this item.
+     */
+    void set(final long longVal) {
+        this.type = ClassWriter.LONG;
+        this.longVal = longVal;
+        this.hashCode = 0x7FFFFFFF & (type + (int) longVal);
+    }
+
+    /**
+     * Sets this item to a float item.
+     *
+     * @param floatVal
+     *            the value of this item.
+     */
+    void set(final float floatVal) {
+        this.type = ClassWriter.FLOAT;
+        this.intVal = Float.floatToRawIntBits(floatVal);
+        this.hashCode = 0x7FFFFFFF & (type + (int) floatVal);
+    }
+
+    /**
+     * Sets this item to a double item.
+     *
+     * @param doubleVal
+     *            the value of this item.
+     */
+    void set(final double doubleVal) {
+        this.type = ClassWriter.DOUBLE;
+        this.longVal = Double.doubleToRawLongBits(doubleVal);
+        this.hashCode = 0x7FFFFFFF & (type + (int) doubleVal);
+    }
+
+    /**
+     * Sets this item to an item that do not hold a primitive value.
+     *
+     * @param type
+     *            the type of this item.
+     * @param strVal1
+     *            first part of the value of this item.
+     * @param strVal2
+     *            second part of the value of this item.
+     * @param strVal3
+     *            third part of the value of this item.
+     */
+    @SuppressWarnings("fallthrough")
+    void set(final int type, final String strVal1, final String strVal2,
+            final String strVal3) {
+        this.type = type;
+        this.strVal1 = strVal1;
+        this.strVal2 = strVal2;
+        this.strVal3 = strVal3;
+        switch (type) {
+        case ClassWriter.CLASS:
+        case ClassWriter.MODULE:
+        case ClassWriter.PACKAGE:
+            this.intVal = 0;     // intVal of a class must be zero, see visitInnerClass
+        case ClassWriter.UTF8:
+        case ClassWriter.STR:
+        case ClassWriter.MTYPE:
+        case ClassWriter.TYPE_NORMAL:
+            hashCode = 0x7FFFFFFF & (type + strVal1.hashCode());
+            return;
+        case ClassWriter.NAME_TYPE: {
+            hashCode = 0x7FFFFFFF & (type + strVal1.hashCode()
+                    * strVal2.hashCode());
+            return;
+        }
+        // ClassWriter.FIELD:
+        // ClassWriter.METH:
+        // ClassWriter.IMETH:
+        // ClassWriter.HANDLE_BASE + 1..9
+        default:
+            hashCode = 0x7FFFFFFF & (type + strVal1.hashCode()
+                    * strVal2.hashCode() * strVal3.hashCode());
+        }
+    }
+
+    /**
+     * Sets the item to an InvokeDynamic item.
+     *
+     * @param name
+     *            invokedynamic's name.
+     * @param desc
+     *            invokedynamic's desc.
+     * @param bsmIndex
+     *            zero based index into the class attribute BootrapMethods.
+     */
+    void set(String name, String desc, int bsmIndex) {
+        this.type = ClassWriter.INDY;
+        this.longVal = bsmIndex;
+        this.strVal1 = name;
+        this.strVal2 = desc;
+        this.hashCode = 0x7FFFFFFF & (ClassWriter.INDY + bsmIndex
+                * strVal1.hashCode() * strVal2.hashCode());
+    }
+
+    /**
+     * Sets the item to a BootstrapMethod item.
+     *
+     * @param position
+     *            position in byte in the class attribute BootrapMethods.
+     * @param hashCode
+     *            hashcode of the item. This hashcode is processed from the
+     *            hashcode of the bootstrap method and the hashcode of all
+     *            bootstrap arguments.
+     */
+    void set(int position, int hashCode) {
+        this.type = ClassWriter.BSM;
+        this.intVal = position;
+        this.hashCode = hashCode;
+    }
+
+    /**
+     * Indicates if the given item is equal to this one. <i>This method assumes
+     * that the two items have the same {@link #type}</i>.
+     *
+     * @param i
+     *            the item to be compared to this one. Both items must have the
+     *            same {@link #type}.
+     * @return <tt>true</tt> if the given item if equal to this one,
+     *         <tt>false</tt> otherwise.
+     */
+    boolean isEqualTo(final Item i) {
+        switch (type) {
+        case ClassWriter.UTF8:
+        case ClassWriter.STR:
+        case ClassWriter.CLASS:
+        case ClassWriter.MODULE:
+        case ClassWriter.PACKAGE:
+        case ClassWriter.MTYPE:
+        case ClassWriter.TYPE_NORMAL:
+            return i.strVal1.equals(strVal1);
+        case ClassWriter.TYPE_MERGED:
+        case ClassWriter.LONG:
+        case ClassWriter.DOUBLE:
+            return i.longVal == longVal;
+        case ClassWriter.INT:
+        case ClassWriter.FLOAT:
+            return i.intVal == intVal;
+        case ClassWriter.TYPE_UNINIT:
+            return i.intVal == intVal && i.strVal1.equals(strVal1);
+        case ClassWriter.NAME_TYPE:
+            return i.strVal1.equals(strVal1) && i.strVal2.equals(strVal2);
+        case ClassWriter.INDY: {
+            return i.longVal == longVal && i.strVal1.equals(strVal1)
+                    && i.strVal2.equals(strVal2);
+        }
+        // case ClassWriter.FIELD:
+        // case ClassWriter.METH:
+        // case ClassWriter.IMETH:
+        // case ClassWriter.HANDLE_BASE + 1..9
+        default:
+            return i.strVal1.equals(strVal1) && i.strVal2.equals(strVal2)
+                    && i.strVal3.equals(strVal3);
+        }
+    }
+
+}

src/org/redkale/asm/Label.java

@@ -0,0 +1,593 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A label represents a position in the bytecode of a method. Labels are used
+ * for jump, goto, and switch instructions, and for try catch blocks. A label
+ * designates the <i>instruction</i> that is just after. Note however that there
+ * can be other elements between a label and the instruction it designates (such
+ * as other labels, stack map frames, line numbers, etc.).
+ *
+ * @author Eric Bruneton
+ */
+public class Label {
+
+    /**
+     * Indicates if this label is only used for debug attributes. Such a label
+     * is not the start of a basic block, the target of a jump instruction, or
+     * an exception handler. It can be safely ignored in control flow graph
+     * analysis algorithms (for optimization purposes).
+     */
+    static final int DEBUG = 1;
+
+    /**
+     * Indicates if the position of this label is known.
+     */
+    static final int RESOLVED = 2;
+
+    /**
+     * Indicates if this label has been updated, after instruction resizing.
+     */
+    static final int RESIZED = 4;
+
+    /**
+     * Indicates if this basic block has been pushed in the basic block stack.
+     * See {@link MethodWriter#visitMaxs visitMaxs}.
+     */
+    static final int PUSHED = 8;
+
+    /**
+     * Indicates if this label is the target of a jump instruction, or the start
+     * of an exception handler.
+     */
+    static final int TARGET = 16;
+
+    /**
+     * Indicates if a stack map frame must be stored for this label.
+     */
+    static final int STORE = 32;
+
+    /**
+     * Indicates if this label corresponds to a reachable basic block.
+     */
+    static final int REACHABLE = 64;
+
+    /**
+     * Indicates if this basic block ends with a JSR instruction.
+     */
+    static final int JSR = 128;
+
+    /**
+     * Indicates if this basic block ends with a RET instruction.
+     */
+    static final int RET = 256;
+
+    /**
+     * Indicates if this basic block is the start of a subroutine.
+     */
+    static final int SUBROUTINE = 512;
+
+    /**
+     * Indicates if this subroutine basic block has been visited by a
+     * visitSubroutine(null, ...) call.
+     */
+    static final int VISITED = 1024;
+
+    /**
+     * Indicates if this subroutine basic block has been visited by a
+     * visitSubroutine(!null, ...) call.
+     */
+    static final int VISITED2 = 2048;
+
+    /**
+     * Field used to associate user information to a label. Warning: this field
+     * is used by the ASM tree package. In order to use it with the ASM tree
+     * package you must override the method.
+     */
+    public Object info;
+
+    /**
+     * Flags that indicate the status of this label.
+     *
+     * @see #DEBUG
+     * @see #RESOLVED
+     * @see #RESIZED
+     * @see #PUSHED
+     * @see #TARGET
+     * @see #STORE
+     * @see #REACHABLE
+     * @see #JSR
+     * @see #RET
+     */
+    int status;
+
+    /**
+     * The line number corresponding to this label, if known. If there are
+     * several lines, each line is stored in a separate label, all linked via
+     * their next field (these links are created in ClassReader and removed just
+     * before visitLabel is called, so that this does not impact the rest of the
+     * code).
+     */
+    int line;
+
+    /**
+     * The position of this label in the code, if known.
+     */
+    int position;
+
+    /**
+     * Number of forward references to this label, times two.
+     */
+    private int referenceCount;
+
+    /**
+     * Informations about forward references. Each forward reference is
+     * described by two consecutive integers in this array: the first one is the
+     * position of the first byte of the bytecode instruction that contains the
+     * forward reference, while the second is the position of the first byte of
+     * the forward reference itself. In fact the sign of the first integer
+     * indicates if this reference uses 2 or 4 bytes, and its absolute value
+     * gives the position of the bytecode instruction. This array is also used
+     * as a bitset to store the subroutines to which a basic block belongs. This
+     * information is needed in {@linked MethodWriter#visitMaxs}, after all
+     * forward references have been resolved. Hence the same array can be used
+     * for both purposes without problems.
+     */
+    private int[] srcAndRefPositions;
+
+    // ------------------------------------------------------------------------
+
+    /*
+     * Fields for the control flow and data flow graph analysis algorithms (used
+     * to compute the maximum stack size or the stack map frames). A control
+     * flow graph contains one node per "basic block", and one edge per "jump"
+     * from one basic block to another. Each node (i.e., each basic block) is
+     * represented by the Label object that corresponds to the first instruction
+     * of this basic block. Each node also stores the list of its successors in
+     * the graph, as a linked list of Edge objects.
+     *
+     * The control flow analysis algorithms used to compute the maximum stack
+     * size or the stack map frames are similar and use two steps. The first
+     * step, during the visit of each instruction, builds information about the
+     * state of the local variables and the operand stack at the end of each
+     * basic block, called the "output frame", <i>relatively</i> to the frame
+     * state at the beginning of the basic block, which is called the "input
+     * frame", and which is <i>unknown</i> during this step. The second step, in
+     * {@link MethodWriter#visitMaxs}, is a fix point algorithm that computes
+     * information about the input frame of each basic block, from the input
+     * state of the first basic block (known from the method signature), and by
+     * the using the previously computed relative output frames.
+     *
+     * The algorithm used to compute the maximum stack size only computes the
+     * relative output and absolute input stack heights, while the algorithm
+     * used to compute stack map frames computes relative output frames and
+     * absolute input frames.
+     */
+
+    /**
+     * Start of the output stack relatively to the input stack. The exact
+     * semantics of this field depends on the algorithm that is used.
+     *
+     * When only the maximum stack size is computed, this field is the number of
+     * elements in the input stack.
+     *
+     * When the stack map frames are completely computed, this field is the
+     * offset of the first output stack element relatively to the top of the
+     * input stack. This offset is always negative or null. A null offset means
+     * that the output stack must be appended to the input stack. A -n offset
+     * means that the first n output stack elements must replace the top n input
+     * stack elements, and that the other elements must be appended to the input
+     * stack.
+     */
+    int inputStackTop;
+
+    /**
+     * Maximum height reached by the output stack, relatively to the top of the
+     * input stack. This maximum is always positive or null.
+     */
+    int outputStackMax;
+
+    /**
+     * Information about the input and output stack map frames of this basic
+     * block. This field is only used when {@link ClassWriter#COMPUTE_FRAMES}
+     * option is used.
+     */
+    Frame frame;
+
+    /**
+     * The successor of this label, in the order they are visited. This linked
+     * list does not include labels used for debug info only. If
+     * {@link ClassWriter#COMPUTE_FRAMES} option is used then, in addition, it
+     * does not contain successive labels that denote the same bytecode position
+     * (in this case only the first label appears in this list).
+     */
+    Label successor;
+
+    /**
+     * The successors of this node in the control flow graph. These successors
+     * are stored in a linked list of {@link Edge Edge} objects, linked to each
+     * other by their {@link Edge#next} field.
+     */
+    Edge successors;
+
+    /**
+     * The next basic block in the basic block stack. This stack is used in the
+     * main loop of the fix point algorithm used in the second step of the
+     * control flow analysis algorithms. It is also used in
+     * {@link #visitSubroutine} to avoid using a recursive method, and in
+     * ClassReader to temporarily store multiple source lines for a label.
+     *
+     * @see MethodWriter#visitMaxs
+     */
+    Label next;
+
+    // ------------------------------------------------------------------------
+    // Constructor
+    // ------------------------------------------------------------------------
+
+    /**
+     * Constructs a new label.
+     */
+    public Label() {
+    }
+
+    // ------------------------------------------------------------------------
+    // Methods to compute offsets and to manage forward references
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns the offset corresponding to this label. This offset is computed
+     * from the start of the method's bytecode. <i>This method is intended for
+     * {@link Attribute} sub classes, and is normally not needed by class
+     * generators or adapters.</i>
+     *
+     * @return the offset corresponding to this label.
+     * @throws IllegalStateException
+     *             if this label is not resolved yet.
+     */
+    public int getOffset() {
+        if ((status & RESOLVED) == 0) {
+            throw new IllegalStateException(
+                    "Label offset position has not been resolved yet");
+        }
+        return position;
+    }
+
+    /**
+     * Puts a reference to this label in the bytecode of a method. If the
+     * position of the label is known, the offset is computed and written
+     * directly. Otherwise, a null offset is written and a new forward reference
+     * is declared for this label.
+     *
+     * @param owner
+     *            the code writer that calls this method.
+     * @param out
+     *            the bytecode of the method.
+     * @param source
+     *            the position of first byte of the bytecode instruction that
+     *            contains this label.
+     * @param wideOffset
+     *            <tt>true</tt> if the reference must be stored in 4 bytes, or
+     *            <tt>false</tt> if it must be stored with 2 bytes.
+     * @throws IllegalArgumentException
+     *             if this label has not been created by the given code writer.
+     */
+    void put(final MethodWriter owner, final ByteVector out, final int source,
+            final boolean wideOffset) {
+        if ((status & RESOLVED) == 0) {
+            if (wideOffset) {
+                addReference(-1 - source, out.length);
+                out.putInt(-1);
+            } else {
+                addReference(source, out.length);
+                out.putShort(-1);
+            }
+        } else {
+            if (wideOffset) {
+                out.putInt(position - source);
+            } else {
+                out.putShort(position - source);
+            }
+        }
+    }
+
+    /**
+     * Adds a forward reference to this label. This method must be called only
+     * for a true forward reference, i.e. only if this label is not resolved
+     * yet. For backward references, the offset of the reference can be, and
+     * must be, computed and stored directly.
+     *
+     * @param sourcePosition
+     *            the position of the referencing instruction. This position
+     *            will be used to compute the offset of this forward reference.
+     * @param referencePosition
+     *            the position where the offset for this forward reference must
+     *            be stored.
+     */
+    private void addReference(final int sourcePosition,
+            final int referencePosition) {
+        if (srcAndRefPositions == null) {
+            srcAndRefPositions = new int[6];
+        }
+        if (referenceCount >= srcAndRefPositions.length) {
+            int[] a = new int[srcAndRefPositions.length + 6];
+            System.arraycopy(srcAndRefPositions, 0, a, 0,
+                    srcAndRefPositions.length);
+            srcAndRefPositions = a;
+        }
+        srcAndRefPositions[referenceCount++] = sourcePosition;
+        srcAndRefPositions[referenceCount++] = referencePosition;
+    }
+
+    /**
+     * Resolves all forward references to this label. This method must be called
+     * when this label is added to the bytecode of the method, i.e. when its
+     * position becomes known. This method fills in the blanks that where left
+     * in the bytecode by each forward reference previously added to this label.
+     *
+     * @param owner
+     *            the code writer that calls this method.
+     * @param position
+     *            the position of this label in the bytecode.
+     * @param data
+     *            the bytecode of the method.
+     * @return <tt>true</tt> if a blank that was left for this label was to
+     *         small to store the offset. In such a case the corresponding jump
+     *         instruction is replaced with a pseudo instruction (using unused
+     *         opcodes) using an unsigned two bytes offset. These pseudo
+     *         instructions will need to be replaced with true instructions with
+     *         wider offsets (4 bytes instead of 2). This is done in
+     *         {@link MethodWriter#resizeInstructions}.
+     * @throws IllegalArgumentException
+     *             if this label has already been resolved, or if it has not
+     *             been created by the given code writer.
+     */
+    boolean resolve(final MethodWriter owner, final int position,
+            final byte[] data) {
+        boolean needUpdate = false;
+        this.status |= RESOLVED;
+        this.position = position;
+        int i = 0;
+        while (i < referenceCount) {
+            int source = srcAndRefPositions[i++];
+            int reference = srcAndRefPositions[i++];
+            int offset;
+            if (source >= 0) {
+                offset = position - source;
+                if (offset < Short.MIN_VALUE || offset > Short.MAX_VALUE) {
+                    /*
+                     * changes the opcode of the jump instruction, in order to
+                     * be able to find it later (see resizeInstructions in
+                     * MethodWriter). These temporary opcodes are similar to
+                     * jump instruction opcodes, except that the 2 bytes offset
+                     * is unsigned (and can therefore represent values from 0 to
+                     * 65535, which is sufficient since the size of a method is
+                     * limited to 65535 bytes).
+                     */
+                    int opcode = data[reference - 1] & 0xFF;
+                    if (opcode <= Opcodes.JSR) {
+                        // changes IFEQ ... JSR to opcodes 202 to 217
+                        data[reference - 1] = (byte) (opcode + 49);
+                    } else {
+                        // changes IFNULL and IFNONNULL to opcodes 218 and 219
+                        data[reference - 1] = (byte) (opcode + 20);
+                    }
+                    needUpdate = true;
+                }
+                data[reference++] = (byte) (offset >>> 8);
+                data[reference] = (byte) offset;
+            } else {
+                offset = position + source + 1;
+                data[reference++] = (byte) (offset >>> 24);
+                data[reference++] = (byte) (offset >>> 16);
+                data[reference++] = (byte) (offset >>> 8);
+                data[reference] = (byte) offset;
+            }
+        }
+        return needUpdate;
+    }
+
+    /**
+     * Returns the first label of the series to which this label belongs. For an
+     * isolated label or for the first label in a series of successive labels,
+     * this method returns the label itself. For other labels it returns the
+     * first label of the series.
+     *
+     * @return the first label of the series to which this label belongs.
+     */
+    Label getFirst() {
+        return !ClassReader.FRAMES || frame == null ? this : frame.owner;
+    }
+
+    // ------------------------------------------------------------------------
+    // Methods related to subroutines
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns true is this basic block belongs to the given subroutine.
+     *
+     * @param id
+     *            a subroutine id.
+     * @return true is this basic block belongs to the given subroutine.
+     */
+    boolean inSubroutine(final long id) {
+        if ((status & Label.VISITED) != 0) {
+            return (srcAndRefPositions[(int) (id >>> 32)] & (int) id) != 0;
+        }
+        return false;
+    }
+
+    /**
+     * Returns true if this basic block and the given one belong to a common
+     * subroutine.
+     *
+     * @param block
+     *            another basic block.
+     * @return true if this basic block and the given one belong to a common
+     *         subroutine.
+     */
+    boolean inSameSubroutine(final Label block) {
+        if ((status & VISITED) == 0 || (block.status & VISITED) == 0) {
+            return false;
+        }
+        for (int i = 0; i < srcAndRefPositions.length; ++i) {
+            if ((srcAndRefPositions[i] & block.srcAndRefPositions[i]) != 0) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Marks this basic block as belonging to the given subroutine.
+     *
+     * @param id
+     *            a subroutine id.
+     * @param nbSubroutines
+     *            the total number of subroutines in the method.
+     */
+    void addToSubroutine(final long id, final int nbSubroutines) {
+        if ((status & VISITED) == 0) {
+            status |= VISITED;
+            srcAndRefPositions = new int[nbSubroutines / 32 + 1];
+        }
+        srcAndRefPositions[(int) (id >>> 32)] |= (int) id;
+    }
+
+    /**
+     * Finds the basic blocks that belong to a given subroutine, and marks these
+     * blocks as belonging to this subroutine. This method follows the control
+     * flow graph to find all the blocks that are reachable from the current
+     * block WITHOUT following any JSR target.
+     *
+     * @param JSR
+     *            a JSR block that jumps to this subroutine. If this JSR is not
+     *            null it is added to the successor of the RET blocks found in
+     *            the subroutine.
+     * @param id
+     *            the id of this subroutine.
+     * @param nbSubroutines
+     *            the total number of subroutines in the method.
+     */
+    void visitSubroutine(final Label JSR, final long id, final int nbSubroutines) {
+        // user managed stack of labels, to avoid using a recursive method
+        // (recursivity can lead to stack overflow with very large methods)
+        Label stack = this;
+        while (stack != null) {
+            // removes a label l from the stack
+            Label l = stack;
+            stack = l.next;
+            l.next = null;
+
+            if (JSR != null) {
+                if ((l.status & VISITED2) != 0) {
+                    continue;
+                }
+                l.status |= VISITED2;
+                // adds JSR to the successors of l, if it is a RET block
+                if ((l.status & RET) != 0) {
+                    if (!l.inSameSubroutine(JSR)) {
+                        Edge e = new Edge();
+                        e.info = l.inputStackTop;
+                        e.successor = JSR.successors.successor;
+                        e.next = l.successors;
+                        l.successors = e;
+                    }
+                }
+            } else {
+                // if the l block already belongs to subroutine 'id', continue
+                if (l.inSubroutine(id)) {
+                    continue;
+                }
+                // marks the l block as belonging to subroutine 'id'
+                l.addToSubroutine(id, nbSubroutines);
+            }
+            // pushes each successor of l on the stack, except JSR targets
+            Edge e = l.successors;
+            while (e != null) {
+                // if the l block is a JSR block, then 'l.successors.next' leads
+                // to the JSR target (see {@link #visitJumpInsn}) and must
+                // therefore not be followed
+                if ((l.status & Label.JSR) == 0 || e != l.successors.next) {
+                    // pushes e.successor on the stack if it not already added
+                    if (e.successor.next == null) {
+                        e.successor.next = stack;
+                        stack = e.successor;
+                    }
+                }
+                e = e.next;
+            }
+        }
+    }
+
+    // ------------------------------------------------------------------------
+    // Overriden Object methods
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns a string representation of this label.
+     *
+     * @return a string representation of this label.
+     */
+    @Override
+    public String toString() {
+        return "L" + System.identityHashCode(this);
+    }
+}

src/org/redkale/asm/MethodDebugVisitor.java

@@ -3,10 +3,9 @@
  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
-package org.redkale.util;
+package org.redkale.asm;
 
 import java.util.*;
-import jdk.internal.org.objectweb.asm.*;
 
 /**
  * MethodVisitor 的调试类
@@ -15,13 +14,13 @@ import jdk.internal.org.objectweb.asm.*;
  *
  * @author zhangjx
  */
-public class AsmMethodVisitor {
+public class MethodDebugVisitor {
 
     private final MethodVisitor visitor;
 
     private boolean debug = false;
 
-    public AsmMethodVisitor setDebug(boolean d) {
+    public MethodDebugVisitor setDebug(boolean d) {
         debug = d;
         return this;
     }
@@ -55,7 +54,7 @@ public class AsmMethodVisitor {
         }
     }
 
-    public AsmMethodVisitor(MethodVisitor visitor) {
+    public MethodDebugVisitor(MethodVisitor visitor) {
         //super(Opcodes.ASM5, visitor);
         this.visitor = visitor;
     }
@@ -173,7 +172,7 @@ public class AsmMethodVisitor {
         if (debug) {
             if (o instanceof CharSequence) {
                 System.out.println("mv.visitLdcInsn(\"" + o + "\");");
-            } else if (o instanceof jdk.internal.org.objectweb.asm.Type) {
+            } else if (o instanceof org.redkale.asm.Type) {
                 System.out.println("mv.visitLdcInsn(Type.getType(\"" + o + "\"));");
             } else {
                 System.out.println("mv.visitLdcInsn(" + o + ");");

src/org/redkale/asm/MethodVisitor.java

@@ -0,0 +1,910 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * A visitor to visit a Java method. The methods of this class must be called in
+ * the following order: ( <tt>visitParameter</tt> )* [
+ * <tt>visitAnnotationDefault</tt> ] ( <tt>visitAnnotation</tt> |
+ * <tt>visitParameterAnnotation</tt> <tt>visitTypeAnnotation</tt> |
+ * <tt>visitAttribute</tt> )* [ <tt>visitCode</tt> ( <tt>visitFrame</tt> |
+ * <tt>visit<i>X</i>Insn</tt> | <tt>visitLabel</tt> |
+ * <tt>visitInsnAnnotation</tt> | <tt>visitTryCatchBlock</tt> |
+ * <tt>visitTryCatchAnnotation</tt> | <tt>visitLocalVariable</tt> |
+ * <tt>visitLocalVariableAnnotation</tt> | <tt>visitLineNumber</tt> )*
+ * <tt>visitMaxs</tt> ] <tt>visitEnd</tt>. In addition, the
+ * <tt>visit<i>X</i>Insn</tt> and <tt>visitLabel</tt> methods must be called in
+ * the sequential order of the bytecode instructions of the visited code,
+ * <tt>visitInsnAnnotation</tt> must be called <i>after</i> the annotated
+ * instruction, <tt>visitTryCatchBlock</tt> must be called <i>before</i> the
+ * labels passed as arguments have been visited,
+ * <tt>visitTryCatchBlockAnnotation</tt> must be called <i>after</i> the
+ * corresponding try catch block has been visited, and the
+ * <tt>visitLocalVariable</tt>, <tt>visitLocalVariableAnnotation</tt> and
+ * <tt>visitLineNumber</tt> methods must be called <i>after</i> the labels
+ * passed as arguments have been visited.
+ *
+ * @author Eric Bruneton
+ */
+public abstract class MethodVisitor {
+
+    /**
+     * The ASM API version implemented by this visitor. The value of this field
+     * must be one of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    protected final int api;
+
+    /**
+     * The method visitor to which this visitor must delegate method calls. May
+     * be null.
+     */
+    protected MethodVisitor mv;
+
+    /**
+     * Constructs a new {@link MethodVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     */
+    public MethodVisitor(final int api) {
+        this(api, null);
+    }
+
+    /**
+     * Constructs a new {@link MethodVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be one
+     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
+     * @param mv
+     *            the method visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public MethodVisitor(final int api, final MethodVisitor mv) {
+        if (api != Opcodes.ASM4 && api != Opcodes.ASM5) {
+            throw new IllegalArgumentException();
+        }
+        this.api = api;
+        this.mv = mv;
+    }
+
+    // -------------------------------------------------------------------------
+    // Parameters, annotations and non standard attributes
+    // -------------------------------------------------------------------------
+
+    /**
+     * Visits a parameter of this method.
+     *
+     * @param name
+     *            parameter name or null if none is provided.
+     * @param access
+     *            the parameter's access flags, only <tt>ACC_FINAL</tt>,
+     *            <tt>ACC_SYNTHETIC</tt> or/and <tt>ACC_MANDATED</tt> are
+     *            allowed (see {@link Opcodes}).
+     */
+    public void visitParameter(String name, int access) {
+        if (api < Opcodes.ASM5) {
+            throw new RuntimeException();
+        }
+        if (mv != null) {
+            mv.visitParameter(name, access);
+        }
+    }
+
+    /**
+     * Visits the default value of this annotation interface method.
+     *
+     * @return a visitor to the visit the actual default value of this
+     *         annotation interface method, or <tt>null</tt> if this visitor is
+     *         not interested in visiting this default value. The 'name'
+     *         parameters passed to the methods of this annotation visitor are
+     *         ignored. Moreover, exacly one visit method must be called on this
+     *         annotation visitor, followed by visitEnd.
+     */
+    public AnnotationVisitor visitAnnotationDefault() {
+        if (mv != null) {
+            return mv.visitAnnotationDefault();
+        }
+        return null;
+    }
+
+    /**
+     * Visits an annotation of this method.
+     *
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
+        if (mv != null) {
+            return mv.visitAnnotation(desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits an annotation on a type in the method signature.
+     *
+     * @param typeRef
+     *            a reference to the annotated type. The sort of this type
+     *            reference must be {@link TypeReference#METHOD_TYPE_PARAMETER
+     *            METHOD_TYPE_PARAMETER},
+     *            {@link TypeReference#METHOD_TYPE_PARAMETER_BOUND
+     *            METHOD_TYPE_PARAMETER_BOUND},
+     *            {@link TypeReference#METHOD_RETURN METHOD_RETURN},
+     *            {@link TypeReference#METHOD_RECEIVER METHOD_RECEIVER},
+     *            {@link TypeReference#METHOD_FORMAL_PARAMETER
+     *            METHOD_FORMAL_PARAMETER} or {@link TypeReference#THROWS
+     *            THROWS}. See {@link TypeReference}.
+     * @param typePath
+     *            the path to the annotated type argument, wildcard bound, array
+     *            element type, or static inner type within 'typeRef'. May be
+     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitTypeAnnotation(int typeRef,
+            TypePath typePath, String desc, boolean visible) {
+        if (api < Opcodes.ASM5) {
+            throw new RuntimeException();
+        }
+        if (mv != null) {
+            return mv.visitTypeAnnotation(typeRef, typePath, desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits an annotation of a parameter this method.
+     *
+     * @param parameter
+     *            the parameter index.
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitParameterAnnotation(int parameter,
+            String desc, boolean visible) {
+        if (mv != null) {
+            return mv.visitParameterAnnotation(parameter, desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits a non standard attribute of this method.
+     *
+     * @param attr
+     *            an attribute.
+     */
+    public void visitAttribute(Attribute attr) {
+        if (mv != null) {
+            mv.visitAttribute(attr);
+        }
+    }
+
+    /**
+     * Starts the visit of the method's code, if any (i.e. non abstract method).
+     */
+    public void visitCode() {
+        if (mv != null) {
+            mv.visitCode();
+        }
+    }
+
+    /**
+     * Visits the current state of the local variables and operand stack
+     * elements. This method must(*) be called <i>just before</i> any
+     * instruction <b>i</b> that follows an unconditional branch instruction
+     * such as GOTO or THROW, that is the target of a jump instruction, or that
+     * starts an exception handler block. The visited types must describe the
+     * values of the local variables and of the operand stack elements <i>just
+     * before</i> <b>i</b> is executed.<br>
+     * <br>
+     * (*) this is mandatory only for classes whose version is greater than or
+     * equal to {@link Opcodes#V1_6 V1_6}. <br>
+     * <br>
+     * The frames of a method must be given either in expanded form, or in
+     * compressed form (all frames must use the same format, i.e. you must not
+     * mix expanded and compressed frames within a single method):
+     * <ul>
+     * <li>In expanded form, all frames must have the F_NEW type.</li>
+     * <li>In compressed form, frames are basically "deltas" from the state of
+     * the previous frame:
+     * <ul>
+     * <li>{@link Opcodes#F_SAME} representing frame with exactly the same
+     * locals as the previous frame and with the empty stack.</li>
+     * <li>{@link Opcodes#F_SAME1} representing frame with exactly the same
+     * locals as the previous frame and with single value on the stack (
+     * <code>nStack</code> is 1 and <code>stack[0]</code> contains value for the
+     * type of the stack item).</li>
+     * <li>{@link Opcodes#F_APPEND} representing frame with current locals are
+     * the same as the locals in the previous frame, except that additional
+     * locals are defined (<code>nLocal</code> is 1, 2 or 3 and
+     * <code>local</code> elements contains values representing added types).</li>
+     * <li>{@link Opcodes#F_CHOP} representing frame with current locals are the
+     * same as the locals in the previous frame, except that the last 1-3 locals
+     * are absent and with the empty stack (<code>nLocals</code> is 1, 2 or 3).</li>
+     * <li>{@link Opcodes#F_FULL} representing complete frame data.</li>
+     * </ul>
+     * </li>
+     * </ul>
+     * <br>
+     * In both cases the first frame, corresponding to the method's parameters
+     * and access flags, is implicit and must not be visited. Also, it is
+     * illegal to visit two or more frames for the same code location (i.e., at
+     * least one instruction must be visited between two calls to visitFrame).
+     *
+     * @param type
+     *            the type of this stack map frame. Must be
+     *            {@link Opcodes#F_NEW} for expanded frames, or
+     *            {@link Opcodes#F_FULL}, {@link Opcodes#F_APPEND},
+     *            {@link Opcodes#F_CHOP}, {@link Opcodes#F_SAME} or
+     *            {@link Opcodes#F_APPEND}, {@link Opcodes#F_SAME1} for
+     *            compressed frames.
+     * @param nLocal
+     *            the number of local variables in the visited frame.
+     * @param local
+     *            the local variable types in this frame. This array must not be
+     *            modified. Primitive types are represented by
+     *            {@link Opcodes#TOP}, {@link Opcodes#INTEGER},
+     *            {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
+     *            {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
+     *            {@link Opcodes#UNINITIALIZED_THIS} (long and double are
+     *            represented by a single element). Reference types are
+     *            represented by String objects (representing internal names),
+     *            and uninitialized types by Label objects (this label
+     *            designates the NEW instruction that created this uninitialized
+     *            value).
+     * @param nStack
+     *            the number of operand stack elements in the visited frame.
+     * @param stack
+     *            the operand stack types in this frame. This array must not be
+     *            modified. Its content has the same format as the "local"
+     *            array.
+     * @throws IllegalStateException
+     *             if a frame is visited just after another one, without any
+     *             instruction between the two (unless this frame is a
+     *             Opcodes#F_SAME frame, in which case it is silently ignored).
+     */
+    public void visitFrame(int type, int nLocal, Object[] local, int nStack,
+            Object[] stack) {
+        if (mv != null) {
+            mv.visitFrame(type, nLocal, local, nStack, stack);
+        }
+    }
+
+    // -------------------------------------------------------------------------
+    // Normal instructions
+    // -------------------------------------------------------------------------
+
+    /**
+     * Visits a zero operand instruction.
+     *
+     * @param opcode
+     *            the opcode of the instruction to be visited. This opcode is
+     *            either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1,
+     *            ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1,
+     *            FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD,
+     *            LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD,
+     *            IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE,
+     *            SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1,
+     *            DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB,
+     *            IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM,
+     *            FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR,
+     *            IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D,
+     *            L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S,
+     *            LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN,
+     *            DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER,
+     *            or MONITOREXIT.
+     */
+    public void visitInsn(int opcode) {
+        if (mv != null) {
+            mv.visitInsn(opcode);
+        }
+    }
+
+    /**
+     * Visits an instruction with a single int operand.
+     *
+     * @param opcode
+     *            the opcode of the instruction to be visited. This opcode is
+     *            either BIPUSH, SIPUSH or NEWARRAY.
+     * @param operand
+     *            the operand of the instruction to be visited.<br>
+     *            When opcode is BIPUSH, operand value should be between
+     *            Byte.MIN_VALUE and Byte.MAX_VALUE.<br>
+     *            When opcode is SIPUSH, operand value should be between
+     *            Short.MIN_VALUE and Short.MAX_VALUE.<br>
+     *            When opcode is NEWARRAY, operand value should be one of
+     *            {@link Opcodes#T_BOOLEAN}, {@link Opcodes#T_CHAR},
+     *            {@link Opcodes#T_FLOAT}, {@link Opcodes#T_DOUBLE},
+     *            {@link Opcodes#T_BYTE}, {@link Opcodes#T_SHORT},
+     *            {@link Opcodes#T_INT} or {@link Opcodes#T_LONG}.
+     */
+    public void visitIntInsn(int opcode, int operand) {
+        if (mv != null) {
+            mv.visitIntInsn(opcode, operand);
+        }
+    }
+
+    /**
+     * Visits a local variable instruction. A local variable instruction is an
+     * instruction that loads or stores the value of a local variable.
+     *
+     * @param opcode
+     *            the opcode of the local variable instruction to be visited.
+     *            This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD,
+     *            ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET.
+     * @param var
+     *            the operand of the instruction to be visited. This operand is
+     *            the index of a local variable.
+     */
+    public void visitVarInsn(int opcode, int var) {
+        if (mv != null) {
+            mv.visitVarInsn(opcode, var);
+        }
+    }
+
+    /**
+     * Visits a type instruction. A type instruction is an instruction that
+     * takes the internal name of a class as parameter.
+     *
+     * @param opcode
+     *            the opcode of the type instruction to be visited. This opcode
+     *            is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
+     * @param type
+     *            the operand of the instruction to be visited. This operand
+     *            must be the internal name of an object or array class (see
+     *            {@link Type#getInternalName() getInternalName}).
+     */
+    public void visitTypeInsn(int opcode, String type) {
+        if (mv != null) {
+            mv.visitTypeInsn(opcode, type);
+        }
+    }
+
+    /**
+     * Visits a field instruction. A field instruction is an instruction that
+     * loads or stores the value of a field of an object.
+     *
+     * @param opcode
+     *            the opcode of the type instruction to be visited. This opcode
+     *            is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
+     * @param owner
+     *            the internal name of the field's owner class (see
+     *            {@link Type#getInternalName() getInternalName}).
+     * @param name
+     *            the field's name.
+     * @param desc
+     *            the field's descriptor (see {@link Type Type}).
+     */
+    public void visitFieldInsn(int opcode, String owner, String name,
+            String desc) {
+        if (mv != null) {
+            mv.visitFieldInsn(opcode, owner, name, desc);
+        }
+    }
+
+    /**
+     * Visits a method instruction. A method instruction is an instruction that
+     * invokes a method.
+     *
+     * @param opcode
+     *            the opcode of the type instruction to be visited. This opcode
+     *            is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
+     *            INVOKEINTERFACE.
+     * @param owner
+     *            the internal name of the method's owner class (see
+     *            {@link Type#getInternalName() getInternalName}).
+     * @param name
+     *            the method's name.
+     * @param desc
+     *            the method's descriptor (see {@link Type Type}).
+     */
+    @Deprecated
+    public void visitMethodInsn(int opcode, String owner, String name,
+            String desc) {
+        if (api >= Opcodes.ASM5) {
+            boolean itf = opcode == Opcodes.INVOKEINTERFACE;
+            visitMethodInsn(opcode, owner, name, desc, itf);
+            return;
+        }
+        if (mv != null) {
+            mv.visitMethodInsn(opcode, owner, name, desc);
+        }
+    }
+
+    /**
+     * Visits a method instruction. A method instruction is an instruction that
+     * invokes a method.
+     *
+     * @param opcode
+     *            the opcode of the type instruction to be visited. This opcode
+     *            is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
+     *            INVOKEINTERFACE.
+     * @param owner
+     *            the internal name of the method's owner class (see
+     *            {@link Type#getInternalName() getInternalName}).
+     * @param name
+     *            the method's name.
+     * @param desc
+     *            the method's descriptor (see {@link Type Type}).
+     * @param itf
+     *            if the method's owner class is an interface.
+     */
+    public void visitMethodInsn(int opcode, String owner, String name,
+            String desc, boolean itf) {
+        if (api < Opcodes.ASM5) {
+            if (itf != (opcode == Opcodes.INVOKEINTERFACE)) {
+                throw new IllegalArgumentException(
+                        "INVOKESPECIAL/STATIC on interfaces require ASM 5");
+            }
+            visitMethodInsn(opcode, owner, name, desc);
+            return;
+        }
+        if (mv != null) {
+            mv.visitMethodInsn(opcode, owner, name, desc, itf);
+        }
+    }
+
+    /**
+     * Visits an invokedynamic instruction.
+     *
+     * @param name
+     *            the method's name.
+     * @param desc
+     *            the method's descriptor (see {@link Type Type}).
+     * @param bsm
+     *            the bootstrap method.
+     * @param bsmArgs
+     *            the bootstrap method constant arguments. Each argument must be
+     *            an {@link Integer}, {@link Float}, {@link Long},
+     *            {@link Double}, {@link String}, {@link Type} or {@link Handle}
+     *            value. This method is allowed to modify the content of the
+     *            array so a caller should expect that this array may change.
+     */
+    public void visitInvokeDynamicInsn(String name, String desc, Handle bsm,
+            Object... bsmArgs) {
+        if (mv != null) {
+            mv.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
+        }
+    }
+
+    /**
+     * Visits a jump instruction. A jump instruction is an instruction that may
+     * jump to another instruction.
+     *
+     * @param opcode
+     *            the opcode of the type instruction to be visited. This opcode
+     *            is either IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ,
+     *            IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE,
+     *            IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL.
+     * @param label
+     *            the operand of the instruction to be visited. This operand is
+     *            a label that designates the instruction to which the jump
+     *            instruction may jump.
+     */
+    public void visitJumpInsn(int opcode, Label label) {
+        if (mv != null) {
+            mv.visitJumpInsn(opcode, label);
+        }
+    }
+
+    /**
+     * Visits a label. A label designates the instruction that will be visited
+     * just after it.
+     *
+     * @param label
+     *            a {@link Label Label} object.
+     */
+    public void visitLabel(Label label) {
+        if (mv != null) {
+            mv.visitLabel(label);
+        }
+    }
+
+    // -------------------------------------------------------------------------
+    // Special instructions
+    // -------------------------------------------------------------------------
+
+    /**
+     * Visits a LDC instruction. Note that new constant types may be added in
+     * future versions of the Java Virtual Machine. To easily detect new
+     * constant types, implementations of this method should check for
+     * unexpected constant types, like this:
+     *
+     * <pre>
+     * if (cst instanceof Integer) {
+     *     // ...
+     * } else if (cst instanceof Float) {
+     *     // ...
+     * } else if (cst instanceof Long) {
+     *     // ...
+     * } else if (cst instanceof Double) {
+     *     // ...
+     * } else if (cst instanceof String) {
+     *     // ...
+     * } else if (cst instanceof Type) {
+     *     int sort = ((Type) cst).getSort();
+     *     if (sort == Type.OBJECT) {
+     *         // ...
+     *     } else if (sort == Type.ARRAY) {
+     *         // ...
+     *     } else if (sort == Type.METHOD) {
+     *         // ...
+     *     } else {
+     *         // throw an exception
+     *     }
+     * } else if (cst instanceof Handle) {
+     *     // ...
+     * } else {
+     *     // throw an exception
+     * }
+     * </pre>
+     *
+     * @param cst
+     *            the constant to be loaded on the stack. This parameter must be
+     *            a non null {@link Integer}, a {@link Float}, a {@link Long}, a
+     *            {@link Double}, a {@link String}, a {@link Type} of OBJECT or
+     *            ARRAY sort for <tt>.class</tt> constants, for classes whose
+     *            version is 49.0, a {@link Type} of METHOD sort or a
+     *            {@link Handle} for MethodType and MethodHandle constants, for
+     *            classes whose version is 51.0.
+     */
+    public void visitLdcInsn(Object cst) {
+        if (mv != null) {
+            mv.visitLdcInsn(cst);
+        }
+    }
+
+    /**
+     * Visits an IINC instruction.
+     *
+     * @param var
+     *            index of the local variable to be incremented.
+     * @param increment
+     *            amount to increment the local variable by.
+     */
+    public void visitIincInsn(int var, int increment) {
+        if (mv != null) {
+            mv.visitIincInsn(var, increment);
+        }
+    }
+
+    /**
+     * Visits a TABLESWITCH instruction.
+     *
+     * @param min
+     *            the minimum key value.
+     * @param max
+     *            the maximum key value.
+     * @param dflt
+     *            beginning of the default handler block.
+     * @param labels
+     *            beginnings of the handler blocks. <tt>labels[i]</tt> is the
+     *            beginning of the handler block for the <tt>min + i</tt> key.
+     */
+    public void visitTableSwitchInsn(int min, int max, Label dflt,
+            Label... labels) {
+        if (mv != null) {
+            mv.visitTableSwitchInsn(min, max, dflt, labels);
+        }
+    }
+
+    /**
+     * Visits a LOOKUPSWITCH instruction.
+     *
+     * @param dflt
+     *            beginning of the default handler block.
+     * @param keys
+     *            the values of the keys.
+     * @param labels
+     *            beginnings of the handler blocks. <tt>labels[i]</tt> is the
+     *            beginning of the handler block for the <tt>keys[i]</tt> key.
+     */
+    public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) {
+        if (mv != null) {
+            mv.visitLookupSwitchInsn(dflt, keys, labels);
+        }
+    }
+
+    /**
+     * Visits a MULTIANEWARRAY instruction.
+     *
+     * @param desc
+     *            an array type descriptor (see {@link Type Type}).
+     * @param dims
+     *            number of dimensions of the array to allocate.
+     */
+    public void visitMultiANewArrayInsn(String desc, int dims) {
+        if (mv != null) {
+            mv.visitMultiANewArrayInsn(desc, dims);
+        }
+    }
+
+    /**
+     * Visits an annotation on an instruction. This method must be called just
+     * <i>after</i> the annotated instruction. It can be called several times
+     * for the same instruction.
+     *
+     * @param typeRef
+     *            a reference to the annotated type. The sort of this type
+     *            reference must be {@link TypeReference#INSTANCEOF INSTANCEOF},
+     *            {@link TypeReference#NEW NEW},
+     *            {@link TypeReference#CONSTRUCTOR_REFERENCE
+     *            CONSTRUCTOR_REFERENCE}, {@link TypeReference#METHOD_REFERENCE
+     *            METHOD_REFERENCE}, {@link TypeReference#CAST CAST},
+     *            {@link TypeReference#CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+     *            CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+     *            {@link TypeReference#METHOD_INVOCATION_TYPE_ARGUMENT
+     *            METHOD_INVOCATION_TYPE_ARGUMENT},
+     *            {@link TypeReference#CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+     *            CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+     *            {@link TypeReference#METHOD_REFERENCE_TYPE_ARGUMENT
+     *            METHOD_REFERENCE_TYPE_ARGUMENT}. See {@link TypeReference}.
+     * @param typePath
+     *            the path to the annotated type argument, wildcard bound, array
+     *            element type, or static inner type within 'typeRef'. May be
+     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitInsnAnnotation(int typeRef,
+            TypePath typePath, String desc, boolean visible) {
+        if (api < Opcodes.ASM5) {
+            throw new RuntimeException();
+        }
+        if (mv != null) {
+            return mv.visitInsnAnnotation(typeRef, typePath, desc, visible);
+        }
+        return null;
+    }
+
+    // -------------------------------------------------------------------------
+    // Exceptions table entries, debug information, max stack and max locals
+    // -------------------------------------------------------------------------
+
+    /**
+     * Visits a try catch block.
+     *
+     * @param start
+     *            beginning of the exception handler's scope (inclusive).
+     * @param end
+     *            end of the exception handler's scope (exclusive).
+     * @param handler
+     *            beginning of the exception handler's code.
+     * @param type
+     *            internal name of the type of exceptions handled by the
+     *            handler, or <tt>null</tt> to catch any exceptions (for
+     *            "finally" blocks).
+     * @throws IllegalArgumentException
+     *             if one of the labels has already been visited by this visitor
+     *             (by the {@link #visitLabel visitLabel} method).
+     */
+    public void visitTryCatchBlock(Label start, Label end, Label handler,
+            String type) {
+        if (mv != null) {
+            mv.visitTryCatchBlock(start, end, handler, type);
+        }
+    }
+
+    /**
+     * Visits an annotation on an exception handler type. This method must be
+     * called <i>after</i> the {@link #visitTryCatchBlock} for the annotated
+     * exception handler. It can be called several times for the same exception
+     * handler.
+     *
+     * @param typeRef
+     *            a reference to the annotated type. The sort of this type
+     *            reference must be {@link TypeReference#EXCEPTION_PARAMETER
+     *            EXCEPTION_PARAMETER}. See {@link TypeReference}.
+     * @param typePath
+     *            the path to the annotated type argument, wildcard bound, array
+     *            element type, or static inner type within 'typeRef'. May be
+     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitTryCatchAnnotation(int typeRef,
+            TypePath typePath, String desc, boolean visible) {
+        if (api < Opcodes.ASM5) {
+            throw new RuntimeException();
+        }
+        if (mv != null) {
+            return mv.visitTryCatchAnnotation(typeRef, typePath, desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits a local variable declaration.
+     *
+     * @param name
+     *            the name of a local variable.
+     * @param desc
+     *            the type descriptor of this local variable.
+     * @param signature
+     *            the type signature of this local variable. May be
+     *            <tt>null</tt> if the local variable type does not use generic
+     *            types.
+     * @param start
+     *            the first instruction corresponding to the scope of this local
+     *            variable (inclusive).
+     * @param end
+     *            the last instruction corresponding to the scope of this local
+     *            variable (exclusive).
+     * @param index
+     *            the local variable's index.
+     * @throws IllegalArgumentException
+     *             if one of the labels has not already been visited by this
+     *             visitor (by the {@link #visitLabel visitLabel} method).
+     */
+    public void visitLocalVariable(String name, String desc, String signature,
+            Label start, Label end, int index) {
+        if (mv != null) {
+            mv.visitLocalVariable(name, desc, signature, start, end, index);
+        }
+    }
+
+    /**
+     * Visits an annotation on a local variable type.
+     *
+     * @param typeRef
+     *            a reference to the annotated type. The sort of this type
+     *            reference must be {@link TypeReference#LOCAL_VARIABLE
+     *            LOCAL_VARIABLE} or {@link TypeReference#RESOURCE_VARIABLE
+     *            RESOURCE_VARIABLE}. See {@link TypeReference}.
+     * @param typePath
+     *            the path to the annotated type argument, wildcard bound, array
+     *            element type, or static inner type within 'typeRef'. May be
+     *            <tt>null</tt> if the annotation targets 'typeRef' as a whole.
+     * @param start
+     *            the fist instructions corresponding to the continuous ranges
+     *            that make the scope of this local variable (inclusive).
+     * @param end
+     *            the last instructions corresponding to the continuous ranges
+     *            that make the scope of this local variable (exclusive). This
+     *            array must have the same size as the 'start' array.
+     * @param index
+     *            the local variable's index in each range. This array must have
+     *            the same size as the 'start' array.
+     * @param desc
+     *            the class descriptor of the annotation class.
+     * @param visible
+     *            <tt>true</tt> if the annotation is visible at runtime.
+     * @return a visitor to visit the annotation values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this annotation.
+     */
+    public AnnotationVisitor visitLocalVariableAnnotation(int typeRef,
+            TypePath typePath, Label[] start, Label[] end, int[] index,
+            String desc, boolean visible) {
+        if (api < Opcodes.ASM5) {
+            throw new RuntimeException();
+        }
+        if (mv != null) {
+            return mv.visitLocalVariableAnnotation(typeRef, typePath, start,
+                    end, index, desc, visible);
+        }
+        return null;
+    }
+
+    /**
+     * Visits a line number declaration.
+     *
+     * @param line
+     *            a line number. This number refers to the source file from
+     *            which the class was compiled.
+     * @param start
+     *            the first instruction corresponding to this line number.
+     * @throws IllegalArgumentException
+     *             if <tt>start</tt> has not already been visited by this
+     *             visitor (by the {@link #visitLabel visitLabel} method).
+     */
+    public void visitLineNumber(int line, Label start) {
+        if (mv != null) {
+            mv.visitLineNumber(line, start);
+        }
+    }
+
+    /**
+     * Visits the maximum stack size and the maximum number of local variables
+     * of the method.
+     *
+     * @param maxStack
+     *            maximum stack size of the method.
+     * @param maxLocals
+     *            maximum number of local variables for the method.
+     */
+    public void visitMaxs(int maxStack, int maxLocals) {
+        if (mv != null) {
+            mv.visitMaxs(maxStack, maxLocals);
+        }
+    }
+
+    /**
+     * Visits the end of the method. This method, which is the last one to be
+     * called, is used to inform the visitor that all the annotations and
+     * attributes of the method have been visited.
+     */
+    public void visitEnd() {
+        if (mv != null) {
+            mv.visitEnd();
+        }
+    }
+}

src/org/redkale/asm/Opcodes.java

@@ -0,0 +1,365 @@
+/*
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+/**
+ * Defines the JVM opcodes, access flags and array type codes. This interface
+ * does not define all the JVM opcodes because some opcodes are automatically
+ * handled. For example, the xLOAD and xSTORE opcodes are automatically replaced
+ * by xLOAD_n and xSTORE_n opcodes when possible. The xLOAD_n and xSTORE_n
+ * opcodes are therefore not defined in this interface. Likewise for LDC,
+ * automatically replaced by LDC_W or LDC2_W when necessary, WIDE, GOTO_W and
+ * JSR_W.
+ *
+ * @author Eric Bruneton
+ * @author Eugene Kuleshov
+ */
+@SuppressWarnings("deprecation") // for Integer(int) constructor
+public interface Opcodes {
+
+    // ASM API versions
+
+    int ASM4 = 4 << 16 | 0 << 8 | 0;
+    int ASM5 = 5 << 16 | 0 << 8 | 0;
+
+    // versions
+
+    int V1_1 = 3 << 16 | 45;
+    int V1_2 = 0 << 16 | 46;
+    int V1_3 = 0 << 16 | 47;
+    int V1_4 = 0 << 16 | 48;
+    int V1_5 = 0 << 16 | 49;
+    int V1_6 = 0 << 16 | 50;
+    int V1_7 = 0 << 16 | 51;
+    int V1_8 = 0 << 16 | 52;
+    int V1_9 = 0 << 16 | 53;
+
+    // access flags
+
+    int ACC_PUBLIC = 0x0001; // class, field, method
+    int ACC_PRIVATE = 0x0002; // class, field, method
+    int ACC_PROTECTED = 0x0004; // class, field, method
+    int ACC_STATIC = 0x0008; // field, method
+    int ACC_FINAL = 0x0010; // class, field, method, parameter
+    int ACC_SUPER = 0x0020; // class
+    int ACC_SYNCHRONIZED = 0x0020; // method
+    int ACC_VOLATILE = 0x0040; // field
+    int ACC_BRIDGE = 0x0040; // method
+    int ACC_VARARGS = 0x0080; // method
+    int ACC_TRANSIENT = 0x0080; // field
+    int ACC_NATIVE = 0x0100; // method
+    int ACC_INTERFACE = 0x0200; // class
+    int ACC_ABSTRACT = 0x0400; // class, method
+    int ACC_STRICT = 0x0800; // method
+    int ACC_SYNTHETIC = 0x1000; // class, field, method, parameter
+    int ACC_ANNOTATION = 0x2000; // class
+    int ACC_ENUM = 0x4000; // class(?) field inner
+    int ACC_MANDATED = 0x8000; // parameter
+
+    // ASM specific pseudo access flags
+
+    int ACC_DEPRECATED = 0x20000; // class, field, method
+
+    // types for NEWARRAY
+
+    int T_BOOLEAN = 4;
+    int T_CHAR = 5;
+    int T_FLOAT = 6;
+    int T_DOUBLE = 7;
+    int T_BYTE = 8;
+    int T_SHORT = 9;
+    int T_INT = 10;
+    int T_LONG = 11;
+
+    // tags for Handle
+
+    int H_GETFIELD = 1;
+    int H_GETSTATIC = 2;
+    int H_PUTFIELD = 3;
+    int H_PUTSTATIC = 4;
+    int H_INVOKEVIRTUAL = 5;
+    int H_INVOKESTATIC = 6;
+    int H_INVOKESPECIAL = 7;
+    int H_NEWINVOKESPECIAL = 8;
+    int H_INVOKEINTERFACE = 9;
+
+    // stack map frame types
+
+    /**
+     * Represents an expanded frame. See {@link ClassReader#EXPAND_FRAMES}.
+     */
+    int F_NEW = -1;
+
+    /**
+     * Represents a compressed frame with complete frame data.
+     */
+    int F_FULL = 0;
+
+    /**
+     * Represents a compressed frame where locals are the same as the locals in
+     * the previous frame, except that additional 1-3 locals are defined, and
+     * with an empty stack.
+     */
+    int F_APPEND = 1;
+
+    /**
+     * Represents a compressed frame where locals are the same as the locals in
+     * the previous frame, except that the last 1-3 locals are absent and with
+     * an empty stack.
+     */
+    int F_CHOP = 2;
+
+    /**
+     * Represents a compressed frame with exactly the same locals as the
+     * previous frame and with an empty stack.
+     */
+    int F_SAME = 3;
+
+    /**
+     * Represents a compressed frame with exactly the same locals as the
+     * previous frame and with a single value on the stack.
+     */
+    int F_SAME1 = 4;
+
+    // For reference comparison purposes, construct new instances
+    // instead of using valueOf() or autoboxing.
+    Integer TOP = new Integer(0);
+    Integer INTEGER = new Integer(1);
+    Integer FLOAT = new Integer(2);
+    Integer DOUBLE = new Integer(3);
+    Integer LONG = new Integer(4);
+    Integer NULL = new Integer(5);
+    Integer UNINITIALIZED_THIS = new Integer(6);
+
+    // opcodes // visit method (- = idem)
+
+    int NOP = 0; // visitInsn
+    int ACONST_NULL = 1; // -
+    int ICONST_M1 = 2; // -
+    int ICONST_0 = 3; // -
+    int ICONST_1 = 4; // -
+    int ICONST_2 = 5; // -
+    int ICONST_3 = 6; // -
+    int ICONST_4 = 7; // -
+    int ICONST_5 = 8; // -
+    int LCONST_0 = 9; // -
+    int LCONST_1 = 10; // -
+    int FCONST_0 = 11; // -
+    int FCONST_1 = 12; // -
+    int FCONST_2 = 13; // -
+    int DCONST_0 = 14; // -
+    int DCONST_1 = 15; // -
+    int BIPUSH = 16; // visitIntInsn
+    int SIPUSH = 17; // -
+    int LDC = 18; // visitLdcInsn
+    // int LDC_W = 19; // -
+    // int LDC2_W = 20; // -
+    int ILOAD = 21; // visitVarInsn
+    int LLOAD = 22; // -
+    int FLOAD = 23; // -
+    int DLOAD = 24; // -
+    int ALOAD = 25; // -
+    // int ILOAD_0 = 26; // -
+    // int ILOAD_1 = 27; // -
+    // int ILOAD_2 = 28; // -
+    // int ILOAD_3 = 29; // -
+    // int LLOAD_0 = 30; // -
+    // int LLOAD_1 = 31; // -
+    // int LLOAD_2 = 32; // -
+    // int LLOAD_3 = 33; // -
+    // int FLOAD_0 = 34; // -
+    // int FLOAD_1 = 35; // -
+    // int FLOAD_2 = 36; // -
+    // int FLOAD_3 = 37; // -
+    // int DLOAD_0 = 38; // -
+    // int DLOAD_1 = 39; // -
+    // int DLOAD_2 = 40; // -
+    // int DLOAD_3 = 41; // -
+    // int ALOAD_0 = 42; // -
+    // int ALOAD_1 = 43; // -
+    // int ALOAD_2 = 44; // -
+    // int ALOAD_3 = 45; // -
+    int IALOAD = 46; // visitInsn
+    int LALOAD = 47; // -
+    int FALOAD = 48; // -
+    int DALOAD = 49; // -
+    int AALOAD = 50; // -
+    int BALOAD = 51; // -
+    int CALOAD = 52; // -
+    int SALOAD = 53; // -
+    int ISTORE = 54; // visitVarInsn
+    int LSTORE = 55; // -
+    int FSTORE = 56; // -
+    int DSTORE = 57; // -
+    int ASTORE = 58; // -
+    // int ISTORE_0 = 59; // -
+    // int ISTORE_1 = 60; // -
+    // int ISTORE_2 = 61; // -
+    // int ISTORE_3 = 62; // -
+    // int LSTORE_0 = 63; // -
+    // int LSTORE_1 = 64; // -
+    // int LSTORE_2 = 65; // -
+    // int LSTORE_3 = 66; // -
+    // int FSTORE_0 = 67; // -
+    // int FSTORE_1 = 68; // -
+    // int FSTORE_2 = 69; // -
+    // int FSTORE_3 = 70; // -
+    // int DSTORE_0 = 71; // -
+    // int DSTORE_1 = 72; // -
+    // int DSTORE_2 = 73; // -
+    // int DSTORE_3 = 74; // -
+    // int ASTORE_0 = 75; // -
+    // int ASTORE_1 = 76; // -
+    // int ASTORE_2 = 77; // -
+    // int ASTORE_3 = 78; // -
+    int IASTORE = 79; // visitInsn
+    int LASTORE = 80; // -
+    int FASTORE = 81; // -
+    int DASTORE = 82; // -
+    int AASTORE = 83; // -
+    int BASTORE = 84; // -
+    int CASTORE = 85; // -
+    int SASTORE = 86; // -
+    int POP = 87; // -
+    int POP2 = 88; // -
+    int DUP = 89; // -
+    int DUP_X1 = 90; // -
+    int DUP_X2 = 91; // -
+    int DUP2 = 92; // -
+    int DUP2_X1 = 93; // -
+    int DUP2_X2 = 94; // -
+    int SWAP = 95; // -
+    int IADD = 96; // -
+    int LADD = 97; // -
+    int FADD = 98; // -
+    int DADD = 99; // -
+    int ISUB = 100; // -
+    int LSUB = 101; // -
+    int FSUB = 102; // -
+    int DSUB = 103; // -
+    int IMUL = 104; // -
+    int LMUL = 105; // -
+    int FMUL = 106; // -
+    int DMUL = 107; // -
+    int IDIV = 108; // -
+    int LDIV = 109; // -
+    int FDIV = 110; // -
+    int DDIV = 111; // -
+    int IREM = 112; // -
+    int LREM = 113; // -
+    int FREM = 114; // -
+    int DREM = 115; // -
+    int INEG = 116; // -
+    int LNEG = 117; // -
+    int FNEG = 118; // -
+    int DNEG = 119; // -
+    int ISHL = 120; // -
+    int LSHL = 121; // -
+    int ISHR = 122; // -
+    int LSHR = 123; // -
+    int IUSHR = 124; // -
+    int LUSHR = 125; // -
+    int IAND = 126; // -
+    int LAND = 127; // -
+    int IOR = 128; // -
+    int LOR = 129; // -
+    int IXOR = 130; // -
+    int LXOR = 131; // -
+    int IINC = 132; // visitIincInsn
+    int I2L = 133; // visitInsn
+    int I2F = 134; // -
+    int I2D = 135; // -
+    int L2I = 136; // -
+    int L2F = 137; // -
+    int L2D = 138; // -
+    int F2I = 139; // -
+    int F2L = 140; // -
+    int F2D = 141; // -
+    int D2I = 142; // -
+    int D2L = 143; // -
+    int D2F = 144; // -
+    int I2B = 145; // -
+    int I2C = 146; // -
+    int I2S = 147; // -
+    int LCMP = 148; // -
+    int FCMPL = 149; // -
+    int FCMPG = 150; // -
+    int DCMPL = 151; // -
+    int DCMPG = 152; // -
+    int IFEQ = 153; // visitJumpInsn
+    int IFNE = 154; // -
+    int IFLT = 155; // -
+    int IFGE = 156; // -
+    int IFGT = 157; // -
+    int IFLE = 158; // -
+    int IF_ICMPEQ = 159; // -
+    int IF_ICMPNE = 160; // -
+    int IF_ICMPLT = 161; // -
+    int IF_ICMPGE = 162; // -
+    int IF_ICMPGT = 163; // -
+    int IF_ICMPLE = 164; // -
+    int IF_ACMPEQ = 165; // -
+    int IF_ACMPNE = 166; // -
+    int GOTO = 167; // -
+    int JSR = 168; // -
+    int RET = 169; // visitVarInsn
+    int TABLESWITCH = 170; // visiTableSwitchInsn
+    int LOOKUPSWITCH = 171; // visitLookupSwitch
+    int IRETURN = 172; // visitInsn
+    int LRETURN = 173; // -
+    int FRETURN = 174; // -
+    int DRETURN = 175; // -
+    int ARETURN = 176; // -
+    int RETURN = 177; // -
+    int GETSTATIC = 178; // visitFieldInsn
+    int PUTSTATIC = 179; // -
+    int GETFIELD = 180; // -
+    int PUTFIELD = 181; // -
+    int INVOKEVIRTUAL = 182; // visitMethodInsn
+    int INVOKESPECIAL = 183; // -
+    int INVOKESTATIC = 184; // -
+    int INVOKEINTERFACE = 185; // -
+    int INVOKEDYNAMIC = 186; // visitInvokeDynamicInsn
+    int NEW = 187; // visitTypeInsn
+    int NEWARRAY = 188; // visitIntInsn
+    int ANEWARRAY = 189; // visitTypeInsn
+    int ARRAYLENGTH = 190; // visitInsn
+    int ATHROW = 191; // -
+    int CHECKCAST = 192; // visitTypeInsn
+    int INSTANCEOF = 193; // -
+    int MONITORENTER = 194; // visitInsn
+    int MONITOREXIT = 195; // -
+    // int WIDE = 196; // NOT VISITED
+    int MULTIANEWARRAY = 197; // visitMultiANewArrayInsn
+    int IFNULL = 198; // visitJumpInsn
+    int IFNONNULL = 199; // -
+    // int GOTO_W = 200; // -
+    // int JSR_W = 201; // -
+}

src/org/redkale/asm/Type.java

@@ -0,0 +1,925 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2011 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.redkale.asm;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+
+/**
+ * A Java field or method type. This class can be used to make it easier to
+ * manipulate type and method descriptors.
+ *
+ * @author Eric Bruneton
+ * @author Chris Nokleberg
+ */
+public class Type {
+
+    /**
+     * The sort of the <tt>void</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int VOID = 0;
+
+    /**
+     * The sort of the <tt>boolean</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int BOOLEAN = 1;
+
+    /**
+     * The sort of the <tt>char</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int CHAR = 2;
+
+    /**
+     * The sort of the <tt>byte</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int BYTE = 3;
+
+    /**
+     * The sort of the <tt>short</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int SHORT = 4;
+
+    /**
+     * The sort of the <tt>int</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int INT = 5;
+
+    /**
+     * The sort of the <tt>float</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int FLOAT = 6;
+
+    /**
+     * The sort of the <tt>long</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int LONG = 7;
+
+    /**
+     * The sort of the <tt>double</tt> type. See {@link #getSort getSort}.
+     */
+    public static final int DOUBLE = 8;
+
+    /**
+     * The sort of array reference types. See {@link #getSort getSort}.
+     */
+    public static final int ARRAY = 9;
+
+    /**
+     * The sort of object reference types. See {@link #getSort getSort}.
+     */
+    public static final int OBJECT = 10;
+
+    /**
+     * The sort of method types. See {@link #getSort getSort}.
+     */
+    public static final int METHOD = 11;
+
+    /**
+     * The <tt>void</tt> type.
+     */
+    public static final Type VOID_TYPE = new Type(VOID, null, ('V' << 24)
+            | (5 << 16) | (0 << 8) | 0, 1);
+
+    /**
+     * The <tt>boolean</tt> type.
+     */
+    public static final Type BOOLEAN_TYPE = new Type(BOOLEAN, null, ('Z' << 24)
+            | (0 << 16) | (5 << 8) | 1, 1);
+
+    /**
+     * The <tt>char</tt> type.
+     */
+    public static final Type CHAR_TYPE = new Type(CHAR, null, ('C' << 24)
+            | (0 << 16) | (6 << 8) | 1, 1);
+
+    /**
+     * The <tt>byte</tt> type.
+     */
+    public static final Type BYTE_TYPE = new Type(BYTE, null, ('B' << 24)
+            | (0 << 16) | (5 << 8) | 1, 1);
+
+    /**
+     * The <tt>short</tt> type.
+     */
+    public static final Type SHORT_TYPE = new Type(SHORT, null, ('S' << 24)
+            | (0 << 16) | (7 << 8) | 1, 1);
+
+    /**
+     * The <tt>int</tt> type.
+     */
+    public static final Type INT_TYPE = new Type(INT, null, ('I' << 24)
+            | (0 << 16) | (0 << 8) | 1, 1);
+
+    /**
+     * The <tt>float</tt> type.
+     */
+    public static final Type FLOAT_TYPE = new Type(FLOAT, null, ('F' << 24)
+            | (2 << 16) | (2 << 8) | 1, 1);
+
+    /**
+     * The <tt>long</tt> type.
+     */
+    public static final Type LONG_TYPE = new Type(LONG, null, ('J' << 24)
+            | (1 << 16) | (1 << 8) | 2, 1);
+
+    /**
+     * The <tt>double</tt> type.
+     */
+    public static final Type DOUBLE_TYPE = new Type(DOUBLE, null, ('D' << 24)
+            | (3 << 16) | (3 << 8) | 2, 1);
+
+    // ------------------------------------------------------------------------
+    // Fields
+    // ------------------------------------------------------------------------
+
+    /**
+     * The sort of this Java type.
+     */
+    private final int sort;
+
+    /**
+     * A buffer containing the internal name of this Java type. This field is
+     * only used for reference types.
+     */
+    private final char[] buf;
+
+    /**
+     * The offset of the internal name of this Java type in {@link #buf buf} or,
+     * for primitive types, the size, descriptor and getOpcode offsets for this
+     * type (byte 0 contains the size, byte 1 the descriptor, byte 2 the offset
+     * for IALOAD or IASTORE, byte 3 the offset for all other instructions).
+     */
+    private final int off;
+
+    /**
+     * The length of the internal name of this Java type.
+     */
+    private final int len;
+
+    // ------------------------------------------------------------------------
+    // Constructors
+    // ------------------------------------------------------------------------
+
+    /**
+     * Constructs a reference type.
+     *
+     * @param sort
+     *            the sort of the reference type to be constructed.
+     * @param buf
+     *            a buffer containing the descriptor of the previous type.
+     * @param off
+     *            the offset of this descriptor in the previous buffer.
+     * @param len
+     *            the length of this descriptor.
+     */
+    private Type(final int sort, final char[] buf, final int off, final int len) {
+        this.sort = sort;
+        this.buf = buf;
+        this.off = off;
+        this.len = len;
+    }
+
+    /**
+     * Returns the Java type corresponding to the given type descriptor.
+     *
+     * @param typeDescriptor
+     *            a field or method type descriptor.
+     * @return the Java type corresponding to the given type descriptor.
+     */
+    public static Type getType(final String typeDescriptor) {
+        return getType(typeDescriptor.toCharArray(), 0);
+    }
+
+    /**
+     * Returns the Java type corresponding to the given internal name.
+     *
+     * @param internalName
+     *            an internal name.
+     * @return the Java type corresponding to the given internal name.
+     */
+    public static Type getObjectType(final String internalName) {
+        char[] buf = internalName.toCharArray();
+        return new Type(buf[0] == '[' ? ARRAY : OBJECT, buf, 0, buf.length);
+    }
+
+    /**
+     * Returns the Java type corresponding to the given method descriptor.
+     * Equivalent to <code>Type.getType(methodDescriptor)</code>.
+     *
+     * @param methodDescriptor
+     *            a method descriptor.
+     * @return the Java type corresponding to the given method descriptor.
+     */
+    public static Type getMethodType(final String methodDescriptor) {
+        return getType(methodDescriptor.toCharArray(), 0);
+    }
+
+    /**
+     * Returns the Java method type corresponding to the given argument and
+     * return types.
+     *
+     * @param returnType
+     *            the return type of the method.
+     * @param argumentTypes
+     *            the argument types of the method.
+     * @return the Java type corresponding to the given argument and return
+     *         types.
+     */
+    public static Type getMethodType(final Type returnType,
+            final Type... argumentTypes) {
+        return getType(getMethodDescriptor(returnType, argumentTypes));
+    }
+
+    /**
+     * Returns the Java type corresponding to the given class.
+     *
+     * @param c
+     *            a class.
+     * @return the Java type corresponding to the given class.
+     */
+    public static Type getType(final Class<?> c) {
+        if (c.isPrimitive()) {
+            if (c == Integer.TYPE) {
+                return INT_TYPE;
+            } else if (c == Void.TYPE) {
+                return VOID_TYPE;
+            } else if (c == Boolean.TYPE) {
+                return BOOLEAN_TYPE;
+            } else if (c == Byte.TYPE) {
+                return BYTE_TYPE;
+            } else if (c == Character.TYPE) {
+                return CHAR_TYPE;
+            } else if (c == Short.TYPE) {
+                return SHORT_TYPE;
+            } else if (c == Double.TYPE) {
+                return DOUBLE_TYPE;
+            } else if (c == Float.TYPE) {
+                return FLOAT_TYPE;
+            } else /* if (c == Long.TYPE) */{
+                return LONG_TYPE;
+            }
+        } else {
+            return getType(getDescriptor(c));
+        }
+    }
+
+    /**
+     * Returns the Java method type corresponding to the given constructor.
+     *
+     * @param c
+     *            a {@link Constructor Constructor} object.
+     * @return the Java method type corresponding to the given constructor.
+     */
+    public static Type getType(final Constructor<?> c) {
+        return getType(getConstructorDescriptor(c));
+    }
+
+    /**
+     * Returns the Java method type corresponding to the given method.
+     *
+     * @param m
+     *            a {@link Method Method} object.
+     * @return the Java method type corresponding to the given method.
+     */
+    public static Type getType(final Method m) {
+        return getType(getMethodDescriptor(m));
+    }
+
+    /**
+     * Returns the Java types corresponding to the argument types of the given
+     * method descriptor.
+     *
+     * @param methodDescriptor
+     *            a method descriptor.
+     * @return the Java types corresponding to the argument types of the given
+     *         method descriptor.
+     */
+    public static Type[] getArgumentTypes(final String methodDescriptor) {
+        char[] buf = methodDescriptor.toCharArray();
+        int off = 1;
+        int size = 0;
+        while (true) {
+            char car = buf[off++];
+            if (car == ')') {
+                break;
+            } else if (car == 'L') {
+                while (buf[off++] != ';') {
+                }
+                ++size;
+            } else if (car != '[') {
+                ++size;
+            }
+        }
+        Type[] args = new Type[size];
+        off = 1;
+        size = 0;
+        while (buf[off] != ')') {
+            args[size] = getType(buf, off);
+            off += args[size].len + (args[size].sort == OBJECT ? 2 : 0);
+            size += 1;
+        }
+        return args;
+    }
+
+    /**
+     * Returns the Java types corresponding to the argument types of the given
+     * method.
+     *
+     * @param method
+     *            a method.
+     * @return the Java types corresponding to the argument types of the given
+     *         method.
+     */
+    public static Type[] getArgumentTypes(final Method method) {
+        Class<?>[] classes = method.getParameterTypes();
+        Type[] types = new Type[classes.length];
+        for (int i = classes.length - 1; i >= 0; --i) {
+            types[i] = getType(classes[i]);
+        }
+        return types;
+    }
+
+    /**
+     * Returns the Java type corresponding to the return type of the given
+     * method descriptor.
+     *
+     * @param methodDescriptor
+     *            a method descriptor.
+     * @return the Java type corresponding to the return type of the given
+     *         method descriptor.
+     */
+    public static Type getReturnType(final String methodDescriptor) {
+        char[] buf = methodDescriptor.toCharArray();
+        return getType(buf, methodDescriptor.indexOf(')') + 1);
+    }
+
+    /**
+     * Returns the Java type corresponding to the return type of the given
+     * method.
+     *
+     * @param method
+     *            a method.
+     * @return the Java type corresponding to the return type of the given
+     *         method.
+     */
+    public static Type getReturnType(final Method method) {
+        return getType(method.getReturnType());
+    }
+
+    /**
+     * Computes the size of the arguments and of the return value of a method.
+     *
+     * @param desc
+     *            the descriptor of a method.
+     * @return the size of the arguments of the method (plus one for the
+     *         implicit this argument), argSize, and the size of its return
+     *         value, retSize, packed into a single int i =
+     *         <tt>(argSize &lt;&lt; 2) | retSize</tt> (argSize is therefore equal to
+     *         <tt>i &gt;&gt; 2</tt>, and retSize to <tt>i &amp; 0x03</tt>).
+     */
+    public static int getArgumentsAndReturnSizes(final String desc) {
+        int n = 1;
+        int c = 1;
+        while (true) {
+            char car = desc.charAt(c++);
+            if (car == ')') {
+                car = desc.charAt(c);
+                return n << 2
+                        | (car == 'V' ? 0 : (car == 'D' || car == 'J' ? 2 : 1));
+            } else if (car == 'L') {
+                while (desc.charAt(c++) != ';') {
+                }
+                n += 1;
+            } else if (car == '[') {
+                while ((car = desc.charAt(c)) == '[') {
+                    ++c;
+                }
+                if (car == 'D' || car == 'J') {
+                    n -= 1;
+                }
+            } else if (car == 'D' || car == 'J') {
+                n += 2;
+            } else {
+                n += 1;
+            }
+        }
+    }
+
+    /**
+     * Returns the Java type corresponding to the given type descriptor. For
+     * method descriptors, buf is supposed to contain nothing more than the
+     * descriptor itself.
+     *
+     * @param buf
+     *            a buffer containing a type descriptor.
+     * @param off
+     *            the offset of this descriptor in the previous buffer.
+     * @return the Java type corresponding to the given type descriptor.
+     */
+    private static Type getType(final char[] buf, final int off) {
+        int len;
+        switch (buf[off]) {
+        case 'V':
+            return VOID_TYPE;
+        case 'Z':
+            return BOOLEAN_TYPE;
+        case 'C':
+            return CHAR_TYPE;
+        case 'B':
+            return BYTE_TYPE;
+        case 'S':
+            return SHORT_TYPE;
+        case 'I':
+            return INT_TYPE;
+        case 'F':
+            return FLOAT_TYPE;
+        case 'J':
+            return LONG_TYPE;
+        case 'D':
+            return DOUBLE_TYPE;
+        case '[':
+            len = 1;
+            while (buf[off + len] == '[') {
+                ++len;
+            }
+            if (buf[off + len] == 'L') {
+                ++len;
+                while (buf[off + len] != ';') {
+                    ++len;
+                }
+            }
+            return new Type(ARRAY, buf, off, len + 1);
+        case 'L':
+            len = 1;
+            while (buf[off + len] != ';') {
+                ++len;
+            }
+            return new Type(OBJECT, buf, off + 1, len - 1);
+            // case '(':
+        default:
+            return new Type(METHOD, buf, off, buf.length - off);
+        }
+    }
+
+    // ------------------------------------------------------------------------
+    // Accessors
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns the sort of this Java type.
+     *
+     * @return {@link #VOID VOID}, {@link #BOOLEAN BOOLEAN}, {@link #CHAR CHAR},
+     *         {@link #BYTE BYTE}, {@link #SHORT SHORT}, {@link #INT INT},
+     *         {@link #FLOAT FLOAT}, {@link #LONG LONG}, {@link #DOUBLE DOUBLE},
+     *         {@link #ARRAY ARRAY}, {@link #OBJECT OBJECT} or {@link #METHOD
+     *         METHOD}.
+     */
+    public int getSort() {
+        return sort;
+    }
+
+    /**
+     * Returns the number of dimensions of this array type. This method should
+     * only be used for an array type.
+     *
+     * @return the number of dimensions of this array type.
+     */
+    public int getDimensions() {
+        int i = 1;
+        while (buf[off + i] == '[') {
+            ++i;
+        }
+        return i;
+    }
+
+    /**
+     * Returns the type of the elements of this array type. This method should
+     * only be used for an array type.
+     *
+     * @return Returns the type of the elements of this array type.
+     */
+    public Type getElementType() {
+        return getType(buf, off + getDimensions());
+    }
+
+    /**
+     * Returns the binary name of the class corresponding to this type. This
+     * method must not be used on method types.
+     *
+     * @return the binary name of the class corresponding to this type.
+     */
+    public String getClassName() {
+        switch (sort) {
+        case VOID:
+            return "void";
+        case BOOLEAN:
+            return "boolean";
+        case CHAR:
+            return "char";
+        case BYTE:
+            return "byte";
+        case SHORT:
+            return "short";
+        case INT:
+            return "int";
+        case FLOAT:
+            return "float";
+        case LONG:
+            return "long";
+        case DOUBLE:
+            return "double";
+        case ARRAY:
+            StringBuilder sb = new StringBuilder(getElementType().getClassName());
+            for (int i = getDimensions(); i > 0; --i) {
+                sb.append("[]");
+            }
+            return sb.toString();
+        case OBJECT:
+            return new String(buf, off, len).replace('/', '.');
+        default:
+            return null;
+        }
+    }
+
+    /**
+     * Returns the internal name of the class corresponding to this object or
+     * array type. The internal name of a class is its fully qualified name (as
+     * returned by Class.getName(), where '.' are replaced by '/'. This method
+     * should only be used for an object or array type.
+     *
+     * @return the internal name of the class corresponding to this object type.
+     */
+    public String getInternalName() {
+        return new String(buf, off, len);
+    }
+
+    /**
+     * Returns the argument types of methods of this type. This method should
+     * only be used for method types.
+     *
+     * @return the argument types of methods of this type.
+     */
+    public Type[] getArgumentTypes() {
+        return getArgumentTypes(getDescriptor());
+    }
+
+    /**
+     * Returns the return type of methods of this type. This method should only
+     * be used for method types.
+     *
+     * @return the return type of methods of this type.
+     */
+    public Type getReturnType() {
+        return getReturnType(getDescriptor());
+    }
+
+    /**
+     * Returns the size of the arguments and of the return value of methods of
+     * this type. This method should only be used for method types.
+     *
+     * @return the size of the arguments (plus one for the implicit this
+     *         argument), argSize, and the size of the return value, retSize,
+     *         packed into a single
+     *         int i = <tt>(argSize &lt;&lt; 2) | retSize</tt>
+     *         (argSize is therefore equal to <tt>i &gt;&gt; 2</tt>,
+     *         and retSize to <tt>i &amp; 0x03</tt>).
+     */
+    public int getArgumentsAndReturnSizes() {
+        return getArgumentsAndReturnSizes(getDescriptor());
+    }
+
+    // ------------------------------------------------------------------------
+    // Conversion to type descriptors
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns the descriptor corresponding to this Java type.
+     *
+     * @return the descriptor corresponding to this Java type.
+     */
+    public String getDescriptor() {
+        StringBuilder buf = new StringBuilder();
+        getDescriptor(buf);
+        return buf.toString();
+    }
+
+    /**
+     * Returns the descriptor corresponding to the given argument and return
+     * types.
+     *
+     * @param returnType
+     *            the return type of the method.
+     * @param argumentTypes
+     *            the argument types of the method.
+     * @return the descriptor corresponding to the given argument and return
+     *         types.
+     */
+    public static String getMethodDescriptor(final Type returnType,
+            final Type... argumentTypes) {
+        StringBuilder buf = new StringBuilder();
+        buf.append('(');
+        for (int i = 0; i < argumentTypes.length; ++i) {
+            argumentTypes[i].getDescriptor(buf);
+        }
+        buf.append(')');
+        returnType.getDescriptor(buf);
+        return buf.toString();
+    }
+
+    /**
+     * Appends the descriptor corresponding to this Java type to the given
+     * string buffer.
+     *
+     * @param buf
+     *            the string buffer to which the descriptor must be appended.
+     */
+    private void getDescriptor(final StringBuilder buf) {
+        if (this.buf == null) {
+            // descriptor is in byte 3 of 'off' for primitive types (buf ==
+            // null)
+            buf.append((char) ((off & 0xFF000000) >>> 24));
+        } else if (sort == OBJECT) {
+            buf.append('L');
+            buf.append(this.buf, off, len);
+            buf.append(';');
+        } else { // sort == ARRAY || sort == METHOD
+            buf.append(this.buf, off, len);
+        }
+    }
+
+    // ------------------------------------------------------------------------
+    // Direct conversion from classes to type descriptors,
+    // without intermediate Type objects
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns the internal name of the given class. The internal name of a
+     * class is its fully qualified name, as returned by Class.getName(), where
+     * '.' are replaced by '/'.
+     *
+     * @param c
+     *            an object or array class.
+     * @return the internal name of the given class.
+     */
+    public static String getInternalName(final Class<?> c) {
+        return c.getName().replace('.', '/');
+    }
+
+    /**
+     * Returns the descriptor corresponding to the given Java type.
+     *
+     * @param c
+     *            an object class, a primitive class or an array class.
+     * @return the descriptor corresponding to the given class.
+     */
+    public static String getDescriptor(final Class<?> c) {
+        StringBuilder buf = new StringBuilder();
+        getDescriptor(buf, c);
+        return buf.toString();
+    }
+
+    /**
+     * Returns the descriptor corresponding to the given constructor.
+     *
+     * @param c
+     *            a {@link Constructor Constructor} object.
+     * @return the descriptor of the given constructor.
+     */
+    public static String getConstructorDescriptor(final Constructor<?> c) {
+        Class<?>[] parameters = c.getParameterTypes();
+        StringBuilder buf = new StringBuilder();
+        buf.append('(');
+        for (int i = 0; i < parameters.length; ++i) {
+            getDescriptor(buf, parameters[i]);
+        }
+        return buf.append(")V").toString();
+    }
+
+    /**
+     * Returns the descriptor corresponding to the given method.
+     *
+     * @param m
+     *            a {@link Method Method} object.
+     * @return the descriptor of the given method.
+     */
+    public static String getMethodDescriptor(final Method m) {
+        Class<?>[] parameters = m.getParameterTypes();
+        StringBuilder buf = new StringBuilder();
+        buf.append('(');
+        for (int i = 0; i < parameters.length; ++i) {
+            getDescriptor(buf, parameters[i]);
+        }
+        buf.append(')');
+        getDescriptor(buf, m.getReturnType());
+        return buf.toString();
+    }
+
+    /**
+     * Appends the descriptor of the given class to the given string buffer.
+     *
+     * @param buf
+     *            the string buffer to which the descriptor must be appended.
+     * @param c
+     *            the class whose descriptor must be computed.
+     */
+    private static void getDescriptor(final StringBuilder buf, final Class<?> c) {
+        Class<?> d = c;
+        while (true) {
+            if (d.isPrimitive()) {
+                char car;
+                if (d == Integer.TYPE) {
+                    car = 'I';
+                } else if (d == Void.TYPE) {
+                    car = 'V';
+                } else if (d == Boolean.TYPE) {
+                    car = 'Z';
+                } else if (d == Byte.TYPE) {
+                    car = 'B';
+                } else if (d == Character.TYPE) {
+                    car = 'C';
+                } else if (d == Short.TYPE) {
+                    car = 'S';
+                } else if (d == Double.TYPE) {
+                    car = 'D';
+                } else if (d == Float.TYPE) {
+                    car = 'F';
+                } else /* if (d == Long.TYPE) */{
+                    car = 'J';
+                }
+                buf.append(car);
+                return;
+            } else if (d.isArray()) {
+                buf.append('[');
+                d = d.getComponentType();
+            } else {
+                buf.append('L');
+                String name = d.getName();
+                int len = name.length();
+                for (int i = 0; i < len; ++i) {
+                    char car = name.charAt(i);
+                    buf.append(car == '.' ? '/' : car);
+                }
+                buf.append(';');
+                return;
+            }
+        }
+    }
+
+    // ------------------------------------------------------------------------
+    // Corresponding size and opcodes
+    // ------------------------------------------------------------------------
+
+    /**
+     * Returns the size of values of this type. This method must not be used for
+     * method types.
+     *
+     * @return the size of values of this type, i.e., 2 for <tt>long</tt> and
+     *         <tt>double</tt>, 0 for <tt>void</tt> and 1 otherwise.
+     */
+    public int getSize() {
+        // the size is in byte 0 of 'off' for primitive types (buf == null)
+        return buf == null ? (off & 0xFF) : 1;
+    }
+
+    /**
+     * Returns a JVM instruction opcode adapted to this Java type. This method
+     * must not be used for method types.
+     *
+     * @param opcode
+     *            a JVM instruction opcode. This opcode must be one of ILOAD,
+     *            ISTORE, IALOAD, IASTORE, IADD, ISUB, IMUL, IDIV, IREM, INEG,
+     *            ISHL, ISHR, IUSHR, IAND, IOR, IXOR and IRETURN.
+     * @return an opcode that is similar to the given opcode, but adapted to
+     *         this Java type. For example, if this type is <tt>float</tt> and
+     *         <tt>opcode</tt> is IRETURN, this method returns FRETURN.
+     */
+    public int getOpcode(final int opcode) {
+        if (opcode == Opcodes.IALOAD || opcode == Opcodes.IASTORE) {
+            // the offset for IALOAD or IASTORE is in byte 1 of 'off' for
+            // primitive types (buf == null)
+            return opcode + (buf == null ? (off & 0xFF00) >> 8 : 4);
+        } else {
+            // the offset for other instructions is in byte 2 of 'off' for
+            // primitive types (buf == null)
+            return opcode + (buf == null ? (off & 0xFF0000) >> 16 : 4);
+        }
+    }
+
+    // ------------------------------------------------------------------------
+    // Equals, hashCode and toString
+    // ------------------------------------------------------------------------
+
+    /**
+     * Tests if the given object is equal to this type.
+     *
+     * @param o
+     *            the object to be compared to this type.
+     * @return <tt>true</tt> if the given object is equal to this type.
+     */
+    @Override
+    public boolean equals(final Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (!(o instanceof Type)) {
+            return false;
+        }
+        Type t = (Type) o;
+        if (sort != t.sort) {
+            return false;
+        }
+        if (sort >= ARRAY) {
+            if (len != t.len) {
+                return false;
+            }
+            for (int i = off, j = t.off, end = i + len; i < end; i++, j++) {
+                if (buf[i] != t.buf[j]) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Returns a hash code value for this type.
+     *
+     * @return a hash code value for this type.
+     */
+    @Override
+    public int hashCode() {
+        int hc = 13 * sort;
+        if (sort >= ARRAY) {
+            for (int i = off, end = i + len; i < end; i++) {
+                hc = 17 * (hc + buf[i]);
+            }
+        }
+        return hc;
+    }
+
+    /**
+     * Returns a string representation of this type.
+     *
+     * @return the descriptor of this type.
+     */
+    @Override
+    public String toString() {
+        return getDescriptor();
+    }
+}

src/org/redkale/asm/TypePath.java

@@ -0,0 +1,225 @@
+/*
+ * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+
+/*
+ *
+ *
+ *
+ *
+ *
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2013 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package org.redkale.asm;
+
+/**
+ * The path to a type argument, wildcard bound, array element type, or static
+ * inner type within an enclosing type.
+ *
+ * @author Eric Bruneton
+ */
+public class TypePath {
+
+    /**
+     * A type path step that steps into the element type of an array type. See
+     * {@link #getStep getStep}.
+     */
+    public final static int ARRAY_ELEMENT = 0;
+
+    /**
+     * A type path step that steps into the nested type of a class type. See
+     * {@link #getStep getStep}.
+     */
+    public final static int INNER_TYPE = 1;
+
+    /**
+     * A type path step that steps into the bound of a wildcard type. See
+     * {@link #getStep getStep}.
+     */
+    public final static int WILDCARD_BOUND = 2;
+
+    /**
+     * A type path step that steps into a type argument of a generic type. See
+     * {@link #getStep getStep}.
+     */
+    public final static int TYPE_ARGUMENT = 3;
+
+    /**
+     * The byte array where the path is stored, in Java class file format.
+     */
+    byte[] b;
+
+    /**
+     * The offset of the first byte of the type path in 'b'.
+     */
+    int offset;
+
+    /**
+     * Creates a new type path.
+     *
+     * @param b
+     *            the byte array containing the type path in Java class file
+     *            format.
+     * @param offset
+     *            the offset of the first byte of the type path in 'b'.
+     */
+    TypePath(byte[] b, int offset) {
+        this.b = b;
+        this.offset = offset;
+    }
+
+    /**
+     * Returns the length of this path.
+     *
+     * @return the length of this path.
+     */
+    public int getLength() {
+        return b[offset];
+    }
+
+    /**
+     * Returns the value of the given step of this path.
+     *
+     * @param index
+     *            an index between 0 and {@link #getLength()}, exclusive.
+     * @return {@link #ARRAY_ELEMENT ARRAY_ELEMENT}, {@link #INNER_TYPE
+     *         INNER_TYPE}, {@link #WILDCARD_BOUND WILDCARD_BOUND}, or
+     *         {@link #TYPE_ARGUMENT TYPE_ARGUMENT}.
+     */
+    public int getStep(int index) {
+        return b[offset + 2 * index + 1];
+    }
+
+    /**
+     * Returns the index of the type argument that the given step is stepping
+     * into. This method should only be used for steps whose value is
+     * {@link #TYPE_ARGUMENT TYPE_ARGUMENT}.
+     *
+     * @param index
+     *            an index between 0 and {@link #getLength()}, exclusive.
+     * @return the index of the type argument that the given step is stepping
+     *         into.
+     */
+    public int getStepArgument(int index) {
+        return b[offset + 2 * index + 2];
+    }
+
+    /**
+     * Converts a type path in string form, in the format used by
+     * {@link #toString()}, into a TypePath object.
+     *
+     * @param typePath
+     *            a type path in string form, in the format used by
+     *            {@link #toString()}. May be null or empty.
+     * @return the corresponding TypePath object, or null if the path is empty.
+     */
+    public static TypePath fromString(final String typePath) {
+        if (typePath == null || typePath.length() == 0) {
+            return null;
+        }
+        int n = typePath.length();
+        ByteVector out = new ByteVector(n);
+        out.putByte(0);
+        for (int i = 0; i < n;) {
+            char c = typePath.charAt(i++);
+            if (c == '[') {
+                out.put11(ARRAY_ELEMENT, 0);
+            } else if (c == '.') {
+                out.put11(INNER_TYPE, 0);
+            } else if (c == '*') {
+                out.put11(WILDCARD_BOUND, 0);
+            } else if (c >= '0' && c <= '9') {
+                int typeArg = c - '0';
+                while (i < n && (c = typePath.charAt(i)) >= '0' && c <= '9') {
+                    typeArg = typeArg * 10 + c - '0';
+                    i += 1;
+                }
+                if (i < n && typePath.charAt(i) == ';') {
+                    i += 1;
+                }
+                out.put11(TYPE_ARGUMENT, typeArg);
+            }
+        }
+        out.data[0] = (byte) (out.length / 2);
+        return new TypePath(out.data, 0);
+    }
+
+    /**
+     * Returns a string representation of this type path. {@link #ARRAY_ELEMENT
+     * ARRAY_ELEMENT} steps are represented with '[', {@link #INNER_TYPE
+     * INNER_TYPE} steps with '.', {@link #WILDCARD_BOUND WILDCARD_BOUND} steps
+     * with '*' and {@link #TYPE_ARGUMENT TYPE_ARGUMENT} steps with their type
+     * argument index in decimal form followed by ';'.
+     */
+    @Override
+    public String toString() {
+        int length = getLength();
+        StringBuilder result = new StringBuilder(length * 2);
+        for (int i = 0; i < length; ++i) {
+            switch (getStep(i)) {
+            case ARRAY_ELEMENT:
+                result.append('[');
+                break;
+            case INNER_TYPE:
+                result.append('.');
+                break;
+            case WILDCARD_BOUND:
+                result.append('*');
+                break;
+            case TYPE_ARGUMENT:
+                result.append(getStepArgument(i)).append(';');
+                break;
+            default:
+                result.append('_');
+            }
+        }
+        return result.toString();
+    }
+}

src/org/redkale/asm/TypeReference.java

@@ -0,0 +1,427 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.asm;
+
+/**
+ * A reference to a type appearing in a class, field or method declaration, or
+ * on an instruction. Such a reference designates the part of the class where
+ * the referenced type is appearing (e.g. an 'extends', 'implements' or 'throws'
+ * clause, a 'new' instruction, a 'catch' clause, a type cast, a local variable
+ * declaration, etc).
+ *
+ * @author Eric Bruneton
+ */
+public class TypeReference {
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * class. See {@link #getSort getSort}.
+     */
+    public final static int CLASS_TYPE_PARAMETER = 0x00;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * method. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_TYPE_PARAMETER = 0x01;
+
+    /**
+     * The sort of type references that target the super class of a class or one
+     * of the interfaces it implements. See {@link #getSort getSort}.
+     */
+    public final static int CLASS_EXTENDS = 0x10;
+
+    /**
+     * The sort of type references that target a bound of a type parameter of a
+     * generic class. See {@link #getSort getSort}.
+     */
+    public final static int CLASS_TYPE_PARAMETER_BOUND = 0x11;
+
+    /**
+     * The sort of type references that target a bound of a type parameter of a
+     * generic method. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_TYPE_PARAMETER_BOUND = 0x12;
+
+    /**
+     * The sort of type references that target the type of a field. See
+     * {@link #getSort getSort}.
+     */
+    public final static int FIELD = 0x13;
+
+    /**
+     * The sort of type references that target the return type of a method. See
+     * {@link #getSort getSort}.
+     */
+    public final static int METHOD_RETURN = 0x14;
+
+    /**
+     * The sort of type references that target the receiver type of a method.
+     * See {@link #getSort getSort}.
+     */
+    public final static int METHOD_RECEIVER = 0x15;
+
+    /**
+     * The sort of type references that target the type of a formal parameter of
+     * a method. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_FORMAL_PARAMETER = 0x16;
+
+    /**
+     * The sort of type references that target the type of an exception declared
+     * in the throws clause of a method. See {@link #getSort getSort}.
+     */
+    public final static int THROWS = 0x17;
+
+    /**
+     * The sort of type references that target the type of a local variable in a
+     * method. See {@link #getSort getSort}.
+     */
+    public final static int LOCAL_VARIABLE = 0x40;
+
+    /**
+     * The sort of type references that target the type of a resource variable
+     * in a method. See {@link #getSort getSort}.
+     */
+    public final static int RESOURCE_VARIABLE = 0x41;
+
+    /**
+     * The sort of type references that target the type of the exception of a
+     * 'catch' clause in a method. See {@link #getSort getSort}.
+     */
+    public final static int EXCEPTION_PARAMETER = 0x42;
+
+    /**
+     * The sort of type references that target the type declared in an
+     * 'instanceof' instruction. See {@link #getSort getSort}.
+     */
+    public final static int INSTANCEOF = 0x43;
+
+    /**
+     * The sort of type references that target the type of the object created by
+     * a 'new' instruction. See {@link #getSort getSort}.
+     */
+    public final static int NEW = 0x44;
+
+    /**
+     * The sort of type references that target the receiver type of a
+     * constructor reference. See {@link #getSort getSort}.
+     */
+    public final static int CONSTRUCTOR_REFERENCE = 0x45;
+
+    /**
+     * The sort of type references that target the receiver type of a method
+     * reference. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_REFERENCE = 0x46;
+
+    /**
+     * The sort of type references that target the type declared in an explicit
+     * or implicit cast instruction. See {@link #getSort getSort}.
+     */
+    public final static int CAST = 0x47;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * constructor in a constructor call. See {@link #getSort getSort}.
+     */
+    public final static int CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT = 0x48;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * method in a method call. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_INVOCATION_TYPE_ARGUMENT = 0x49;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * constructor in a constructor reference. See {@link #getSort getSort}.
+     */
+    public final static int CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT = 0x4A;
+
+    /**
+     * The sort of type references that target a type parameter of a generic
+     * method in a method reference. See {@link #getSort getSort}.
+     */
+    public final static int METHOD_REFERENCE_TYPE_ARGUMENT = 0x4B;
+
+    /**
+     * The type reference value in Java class file format.
+     */
+    private int value;
+
+    /**
+     * Creates a new TypeReference.
+     *
+     * @param typeRef
+     *            the int encoded value of the type reference, as received in a
+     *            visit method related to type annotations, like
+     *            visitTypeAnnotation.
+     */
+    public TypeReference(int typeRef) {
+        this.value = typeRef;
+    }
+
+    /**
+     * Returns a type reference of the given sort.
+     *
+     * @param sort
+     *            {@link #FIELD FIELD}, {@link #METHOD_RETURN METHOD_RETURN},
+     *            {@link #METHOD_RECEIVER METHOD_RECEIVER},
+     *            {@link #LOCAL_VARIABLE LOCAL_VARIABLE},
+     *            {@link #RESOURCE_VARIABLE RESOURCE_VARIABLE},
+     *            {@link #INSTANCEOF INSTANCEOF}, {@link #NEW NEW},
+     *            {@link #CONSTRUCTOR_REFERENCE CONSTRUCTOR_REFERENCE}, or
+     *            {@link #METHOD_REFERENCE METHOD_REFERENCE}.
+     * @return a type reference of the given sort.
+     */
+    public static TypeReference newTypeReference(int sort) {
+        return new TypeReference(sort << 24);
+    }
+
+    /**
+     * Returns a reference to a type parameter of a generic class or method.
+     *
+     * @param sort
+     *            {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER} or
+     *            {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER}.
+     * @param paramIndex
+     *            the type parameter index.
+     * @return a reference to the given generic class or method type parameter.
+     */
+    public static TypeReference newTypeParameterReference(int sort,
+            int paramIndex) {
+        return new TypeReference((sort << 24) | (paramIndex << 16));
+    }
+
+    /**
+     * Returns a reference to a type parameter bound of a generic class or
+     * method.
+     *
+     * @param sort
+     *            {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER} or
+     *            {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER}.
+     * @param paramIndex
+     *            the type parameter index.
+     * @param boundIndex
+     *            the type bound index within the above type parameters.
+     * @return a reference to the given generic class or method type parameter
+     *         bound.
+     */
+    public static TypeReference newTypeParameterBoundReference(int sort,
+            int paramIndex, int boundIndex) {
+        return new TypeReference((sort << 24) | (paramIndex << 16)
+                | (boundIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the super class or to an interface of the
+     * 'implements' clause of a class.
+     *
+     * @param itfIndex
+     *            the index of an interface in the 'implements' clause of a
+     *            class, or -1 to reference the super class of the class.
+     * @return a reference to the given super type of a class.
+     */
+    public static TypeReference newSuperTypeReference(int itfIndex) {
+        itfIndex &= 0xFFFF;
+        return new TypeReference((CLASS_EXTENDS << 24) | (itfIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the type of a formal parameter of a method.
+     *
+     * @param paramIndex
+     *            the formal parameter index.
+     *
+     * @return a reference to the type of the given method formal parameter.
+     */
+    public static TypeReference newFormalParameterReference(int paramIndex) {
+        return new TypeReference((METHOD_FORMAL_PARAMETER << 24)
+                | (paramIndex << 16));
+    }
+
+    /**
+     * Returns a reference to the type of an exception, in a 'throws' clause of
+     * a method.
+     *
+     * @param exceptionIndex
+     *            the index of an exception in a 'throws' clause of a method.
+     *
+     * @return a reference to the type of the given exception.
+     */
+    public static TypeReference newExceptionReference(int exceptionIndex) {
+        return new TypeReference((THROWS << 24) | (exceptionIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the type of the exception declared in a 'catch'
+     * clause of a method.
+     *
+     * @param tryCatchBlockIndex
+     *            the index of a try catch block (using the order in which they
+     *            are visited with visitTryCatchBlock).
+     *
+     * @return a reference to the type of the given exception.
+     */
+    public static TypeReference newTryCatchReference(int tryCatchBlockIndex) {
+        return new TypeReference((EXCEPTION_PARAMETER << 24)
+                | (tryCatchBlockIndex << 8));
+    }
+
+    /**
+     * Returns a reference to the type of a type argument in a constructor or
+     * method call or reference.
+     *
+     * @param sort
+     *            {@link #CAST CAST},
+     *            {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+     *            CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+     *            {@link #METHOD_INVOCATION_TYPE_ARGUMENT
+     *            METHOD_INVOCATION_TYPE_ARGUMENT},
+     *            {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+     *            CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+     *            {@link #METHOD_REFERENCE_TYPE_ARGUMENT
+     *            METHOD_REFERENCE_TYPE_ARGUMENT}.
+     * @param argIndex
+     *            the type argument index.
+     *
+     * @return a reference to the type of the given type argument.
+     */
+    public static TypeReference newTypeArgumentReference(int sort, int argIndex) {
+        return new TypeReference((sort << 24) | argIndex);
+    }
+
+    /**
+     * Returns the sort of this type reference.
+     *
+     * @return {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER},
+     *         {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER},
+     *         {@link #CLASS_EXTENDS CLASS_EXTENDS},
+     *         {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND},
+     *         {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND},
+     *         {@link #FIELD FIELD}, {@link #METHOD_RETURN METHOD_RETURN},
+     *         {@link #METHOD_RECEIVER METHOD_RECEIVER},
+     *         {@link #METHOD_FORMAL_PARAMETER METHOD_FORMAL_PARAMETER},
+     *         {@link #THROWS THROWS}, {@link #LOCAL_VARIABLE LOCAL_VARIABLE},
+     *         {@link #RESOURCE_VARIABLE RESOURCE_VARIABLE},
+     *         {@link #EXCEPTION_PARAMETER EXCEPTION_PARAMETER},
+     *         {@link #INSTANCEOF INSTANCEOF}, {@link #NEW NEW},
+     *         {@link #CONSTRUCTOR_REFERENCE CONSTRUCTOR_REFERENCE},
+     *         {@link #METHOD_REFERENCE METHOD_REFERENCE}, {@link #CAST CAST},
+     *         {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+     *         CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+     *         {@link #METHOD_INVOCATION_TYPE_ARGUMENT
+     *         METHOD_INVOCATION_TYPE_ARGUMENT},
+     *         {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+     *         CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+     *         {@link #METHOD_REFERENCE_TYPE_ARGUMENT
+     *         METHOD_REFERENCE_TYPE_ARGUMENT}.
+     */
+    public int getSort() {
+        return value >>> 24;
+    }
+
+    /**
+     * Returns the index of the type parameter referenced by this type
+     * reference. This method must only be used for type references whose sort
+     * is {@link #CLASS_TYPE_PARAMETER CLASS_TYPE_PARAMETER},
+     * {@link #METHOD_TYPE_PARAMETER METHOD_TYPE_PARAMETER},
+     * {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND} or
+     * {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND}.
+     *
+     * @return a type parameter index.
+     */
+    public int getTypeParameterIndex() {
+        return (value & 0x00FF0000) >> 16;
+    }
+
+    /**
+     * Returns the index of the type parameter bound, within the type parameter
+     * {@link #getTypeParameterIndex}, referenced by this type reference. This
+     * method must only be used for type references whose sort is
+     * {@link #CLASS_TYPE_PARAMETER_BOUND CLASS_TYPE_PARAMETER_BOUND} or
+     * {@link #METHOD_TYPE_PARAMETER_BOUND METHOD_TYPE_PARAMETER_BOUND}.
+     *
+     * @return a type parameter bound index.
+     */
+    public int getTypeParameterBoundIndex() {
+        return (value & 0x0000FF00) >> 8;
+    }
+
+    /**
+     * Returns the index of the "super type" of a class that is referenced by
+     * this type reference. This method must only be used for type references
+     * whose sort is {@link #CLASS_EXTENDS CLASS_EXTENDS}.
+     *
+     * @return the index of an interface in the 'implements' clause of a class,
+     *         or -1 if this type reference references the type of the super
+     *         class.
+     */
+    public int getSuperTypeIndex() {
+        return (short) ((value & 0x00FFFF00) >> 8);
+    }
+
+    /**
+     * Returns the index of the formal parameter whose type is referenced by
+     * this type reference. This method must only be used for type references
+     * whose sort is {@link #METHOD_FORMAL_PARAMETER METHOD_FORMAL_PARAMETER}.
+     *
+     * @return a formal parameter index.
+     */
+    public int getFormalParameterIndex() {
+        return (value & 0x00FF0000) >> 16;
+    }
+
+    /**
+     * Returns the index of the exception, in a 'throws' clause of a method,
+     * whose type is referenced by this type reference. This method must only be
+     * used for type references whose sort is {@link #THROWS THROWS}.
+     *
+     * @return the index of an exception in the 'throws' clause of a method.
+     */
+    public int getExceptionIndex() {
+        return (value & 0x00FFFF00) >> 8;
+    }
+
+    /**
+     * Returns the index of the try catch block (using the order in which they
+     * are visited with visitTryCatchBlock), whose 'catch' type is referenced by
+     * this type reference. This method must only be used for type references
+     * whose sort is {@link #EXCEPTION_PARAMETER EXCEPTION_PARAMETER} .
+     *
+     * @return the index of an exception in the 'throws' clause of a method.
+     */
+    public int getTryCatchBlockIndex() {
+        return (value & 0x00FFFF00) >> 8;
+    }
+
+    /**
+     * Returns the index of the type argument referenced by this type reference.
+     * This method must only be used for type references whose sort is
+     * {@link #CAST CAST}, {@link #CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT
+     * CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT},
+     * {@link #METHOD_INVOCATION_TYPE_ARGUMENT METHOD_INVOCATION_TYPE_ARGUMENT},
+     * {@link #CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT
+     * CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT}, or
+     * {@link #METHOD_REFERENCE_TYPE_ARGUMENT METHOD_REFERENCE_TYPE_ARGUMENT}.
+     *
+     * @return a type parameter index.
+     */
+    public int getTypeArgumentIndex() {
+        return value & 0xFF;
+    }
+
+    /**
+     * Returns the int encoded value of this type reference, suitable for use in
+     * visit methods related to type annotations, like visitTypeAnnotation.
+     *
+     * @return the int encoded value of this type reference.
+     */
+    public int getValue() {
+        return value;
+    }
+}

src/org/redkale/asm/asm.txt

@@ -0,0 +1,27 @@
+need copy classes:
+
+AnnotationVisitor.java
+AnnotationWriter.java
+Attribute.java
+ByteVector.java
+ClassReader.java
+ClassVisitor.java
+ClassWriter.java
+Context.java
+CurrentFrame.java
+Edge.java
+FieldVisitor.java
+FieldWriter.java
+Frame.java
+Handle.java
+Handler.java
+Item.java
+Label.java
+MethodVisitor.java
+MethodWriter.java
+ModuleVisitor.java
+ModuleWriter.java
+Opcodes.java
+Type.java
+TypePath.java
+TypeReference.java

src/org/redkale/asm/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * 本包下所有代码均是从/java.base/jdk/internal/org/objectweb/asm 拷贝过来的
+ */
+package org.redkale.asm;

src/org/redkale/boot/Application.java

@@ -18,6 +18,7 @@ import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
 import java.util.logging.*;
 import javax.annotation.Resource;
+import javax.net.ssl.SSLContext;
 import javax.xml.parsers.*;
 import org.redkale.boot.ClassFilter.FilterEntry;
 import org.redkale.convert.Convert;
@@ -32,7 +33,6 @@ import org.redkale.util.AnyValue.DefaultAnyValue;
 import org.redkale.util.*;
 import org.redkale.watch.*;
 import org.w3c.dom.*;
-import sun.misc.Signal;
 
 /**
  *
@@ -45,8 +45,6 @@ import sun.misc.Signal;
  *     4、最后进行Service、Servlet与其他资源之间的依赖注入
  * </pre>
  * <p>
- * 编译时需要加入: -XDignore.symbol.file=true
- * <p>
  * 详情见: https://redkale.org
  *
  * @author zhangjx
@@ -93,6 +91,11 @@ public final class Application {
      */
     public static final String RESNAME_SERVER_ROOT = Server.RESNAME_SERVER_ROOT;
 
+    /**
+     * 当前Server的线程池
+     */
+    public static final String RESNAME_SERVER_EXECUTOR = Server.RESNAME_SERVER_EXECUTOR;
+
     //本地IP地址
     final InetAddress localAddress;
 
@@ -105,8 +108,8 @@ public final class Application {
     //NodeServer 资源
     final List<NodeServer> servers = new CopyOnWriteArrayList<>();
 
-    //传输端的TransportFactory
-    final TransportFactory transportFactory;
+    //SNCP传输端的TransportFactory, 注意： 只给SNCP使用
+    final TransportFactory sncpTransportFactory;
 
     //全局根ResourceFactory
     final ResourceFactory resourceFactory = ResourceFactory.root();
@@ -132,6 +135,9 @@ public final class Application {
     //日志
     private final Logger logger;
 
+    //监听事件
+    private final List<ApplicationListener> listeners = new CopyOnWriteArrayList<>();
+
     //服务启动时间
     private final long startTime = System.currentTimeMillis();
 
@@ -234,27 +240,34 @@ public final class Application {
         this.logger = Logger.getLogger(this.getClass().getSimpleName());
         this.serversLatch = new CountDownLatch(config.getAnyValues("server").length + 1);
         this.classLoader = new RedkaleClassLoader(Thread.currentThread().getContextClassLoader());
-        logger.log(Level.INFO, "------------------------------- Redkale " + Redkale.getDotedVersion() + " -------------------------------");
+        logger.log(Level.INFO, "------------------------- Redkale " + Redkale.getDotedVersion() + " -------------------------");
         //------------------配置 <transport> 节点 ------------------
         ObjectPool<ByteBuffer> transportPool = null;
         ExecutorService transportExec = null;
         AsynchronousChannelGroup transportGroup = null;
         final AnyValue resources = config.getAnyValue("resources");
         TransportStrategy strategy = null;
+        int bufferCapacity = 32 * 1024;
+        int bufferPoolSize = Runtime.getRuntime().availableProcessors() * 8;
+        int readTimeoutSecond = TransportFactory.DEFAULT_READTIMEOUTSECOND;
+        int writeTimeoutSecond = TransportFactory.DEFAULT_WRITETIMEOUTSECOND;
+        AtomicLong createBufferCounter = new AtomicLong();
+        AtomicLong cycleBufferCounter = new AtomicLong();
         if (resources != null) {
             AnyValue transportConf = resources.getAnyValue("transport");
             int groupsize = resources.getAnyValues("group").length;
             if (groupsize > 0 && transportConf == null) transportConf = new DefaultAnyValue();
             if (transportConf != null) {
                 //--------------transportBufferPool-----------
-                AtomicLong createBufferCounter = new AtomicLong();
-                AtomicLong cycleBufferCounter = new AtomicLong();
-                final int bufferCapacity = Math.max(parseLenth(transportConf.getValue("bufferCapacity"), 8 * 1024), 4 * 1024);
-                final int bufferPoolSize = parseLenth(transportConf.getValue("bufferPoolSize"), groupsize * Runtime.getRuntime().availableProcessors() * 8);
-                final int threads = parseLenth(transportConf.getValue("threads"), groupsize * Runtime.getRuntime().availableProcessors() * 8);
+                bufferCapacity = Math.max(parseLenth(transportConf.getValue("bufferCapacity"), bufferCapacity), 8 * 1024);
+                readTimeoutSecond = transportConf.getIntValue("readTimeoutSecond", readTimeoutSecond);
+                writeTimeoutSecond = transportConf.getIntValue("writeTimeoutSecond", writeTimeoutSecond);
+                final int threads = parseLenth(transportConf.getValue("threads"), groupsize * Runtime.getRuntime().availableProcessors() * 2);
+                bufferPoolSize = parseLenth(transportConf.getValue("bufferPoolSize"), threads * 4);
+                final int capacity = bufferCapacity;
                 transportPool = new ObjectPool<>(createBufferCounter, cycleBufferCounter, bufferPoolSize,
-                    (Object... params) -> ByteBuffer.allocateDirect(bufferCapacity), null, (e) -> {
-                        if (e == null || e.isReadOnly() || e.capacity() != bufferCapacity) return false;
+                    (Object... params) -> ByteBuffer.allocateDirect(capacity), null, (e) -> {
+                        if (e == null || e.isReadOnly() || e.capacity() != capacity) return false;
                         e.clear();
                         return true;
                     });
@@ -275,7 +288,7 @@ public final class Application {
                 } catch (Exception e) {
                     throw new RuntimeException(e);
                 }
-                logger.log(Level.INFO, Transport.class.getSimpleName() + " configure bufferCapacity = " + bufferCapacity + "; bufferPoolSize = " + bufferPoolSize + "; threads = " + threads + ";");
+                logger.log(Level.INFO, Transport.class.getSimpleName() + " configure bufferCapacity = " + bufferCapacity / 1024 + "K; bufferPoolSize = " + bufferPoolSize + "; threads = " + threads + ";");
             }
         }
         if (transportGroup == null) {
@@ -292,7 +305,18 @@ public final class Application {
                 throw new RuntimeException(e);
             }
         }
-        this.transportFactory = new TransportFactory(transportExec, transportPool, transportGroup, strategy);
+        if (transportPool == null) {
+            final int capacity = bufferCapacity;
+            transportPool = new ObjectPool<>(createBufferCounter, cycleBufferCounter, bufferPoolSize,
+                (Object... params) -> ByteBuffer.allocateDirect(capacity), null, (e) -> {
+                    if (e == null || e.isReadOnly() || e.capacity() != capacity) return false;
+                    e.clear();
+                    return true;
+                });
+        }
+        this.sncpTransportFactory = TransportFactory.create(transportExec, transportPool, transportGroup, (SSLContext) null, readTimeoutSecond, writeTimeoutSecond, strategy);
+        DefaultAnyValue tarnsportConf = DefaultAnyValue.create(TransportFactory.NAME_PINGINTERVAL, System.getProperty("net.transport.pinginterval", "30"));
+        this.sncpTransportFactory.init(tarnsportConf, Sncp.PING_BUFFER, Sncp.PONG_BUFFER.remaining());
         Thread.currentThread().setContextClassLoader(this.classLoader);
         this.serverClassLoader = new RedkaleClassLoader(this.classLoader);
     }
@@ -301,8 +325,8 @@ public final class Application {
         return resourceFactory;
     }
 
-    public TransportFactory getTransportFactory() {
-        return transportFactory;
+    public TransportFactory getSncpTransportFactory() {
+        return sncpTransportFactory;
     }
 
     public RedkaleClassLoader getClassLoader() {
@@ -331,6 +355,7 @@ public final class Application {
 
     public void init() throws Exception {
         System.setProperty("java.util.concurrent.ForkJoinPool.common.parallelism", "" + Runtime.getRuntime().availableProcessors() * 4);
+        System.setProperty("net.transport.pinginterval", "30");
         System.setProperty("convert.bson.tiny", "true");
         System.setProperty("convert.json.tiny", "true");
         System.setProperty("convert.bson.pool.size", "128");
@@ -341,8 +366,8 @@ public final class Application {
         File persist = new File(this.home, "conf/persistence.xml");
         final String homepath = this.home.getCanonicalPath();
         if (persist.isFile()) System.setProperty(DataSources.DATASOURCE_CONFPATH, persist.getCanonicalPath());
-        logger.log(Level.INFO, RESNAME_APP_HOME + "= " + homepath + "\r\n" + RESNAME_APP_ADDR + "= " + this.localAddress.getHostAddress());
-        String lib = config.getValue("lib", "").trim().replace("${APP_HOME}", homepath);
+        logger.log(Level.INFO, "APP_JAVA = " + System.getProperty("java.version") + "\r\n" + RESNAME_APP_ADDR + " = " + this.localAddress.getHostAddress() + "\r\n" + RESNAME_APP_HOME + " = " + homepath);
+        String lib = config.getValue("lib", "${APP_HOME}/libs/*").trim().replace("${APP_HOME}", homepath);
         lib = lib.isEmpty() ? (homepath + "/conf") : (lib + ";" + homepath + "/conf");
         Server.loadLib(classLoader, logger, lib);
 
@@ -356,7 +381,6 @@ public final class Application {
                 if (dfloads != null) {
                     for (String dfload : dfloads.split(";")) {
                         if (dfload.trim().isEmpty()) continue;
-                        dfload = dfload.trim().replace("${APP_HOME}", home.getCanonicalPath()).replace('\\', '/');
                         final File df = (dfload.indexOf('/') < 0) ? new File(home, "conf/" + dfload) : new File(dfload);
                         if (df.isFile()) {
                             Properties ps = new Properties();
@@ -371,7 +395,6 @@ public final class Application {
                     String name = prop.getValue("name");
                     String value = prop.getValue("value");
                     if (name == null || value == null) continue;
-                    value = value.replace("${APP_HOME}", home.getCanonicalPath()).replace('\\', '/');
                     if (name.startsWith("system.property.")) {
                         System.setProperty(name.substring("system.property.".length()), value);
                     } else if (name.startsWith("mimetype.property.")) {
@@ -406,7 +429,7 @@ public final class Application {
                     } else if (type == ResourceFactory.class) {
                         field.set(src, res.name().equalsIgnoreCase("server") ? rf : (res.name().isEmpty() ? application.resourceFactory : null));
                     } else if (type == TransportFactory.class) {
-                        field.set(src, application.transportFactory);
+                        field.set(src, application.sncpTransportFactory);
                     } else if (type == NodeSncpServer.class) {
                         NodeServer server = null;
                         for (NodeServer ns : application.getNodeServers()) {
@@ -472,7 +495,16 @@ public final class Application {
                     final InetSocketAddress addr = new InetSocketAddress(node.getValue("addr"), node.getIntValue("port"));
                     ginfo.putAddress(addr);
                 }
-                transportFactory.addGroupInfo(ginfo);
+                sncpTransportFactory.addGroupInfo(ginfo);
+            }
+            for (AnyValue conf : resources.getAnyValues("listener")) {
+                final String listenClass = conf.getValue("value", "");
+                if (listenClass.isEmpty()) continue;
+                Class clazz = classLoader.loadClass(listenClass);
+                if (!ApplicationListener.class.isAssignableFrom(clazz)) continue;
+                ApplicationListener listener = (ApplicationListener) clazz.newInstance();
+                listener.init(config);
+                this.listeners.add(listener);
             }
         }
         //------------------------------------------------------------------------
@@ -608,7 +640,7 @@ public final class Application {
         runServers(timecd, others);
         runServers(timecd, watchs); //必须在所有服务都启动后再启动WATCH服务
         timecd.await();
-        if (!singletonrun) signalHandle();
+        //if (!singletonrun) signalHandle();
         if (!singletonrun) clearPersistData();
         logger.info(this.getClass().getSimpleName() + " started in " + (System.currentTimeMillis() - startTime) + " ms\r\n");
         if (!singletonrun) this.serversLatch.await();
@@ -622,33 +654,35 @@ public final class Application {
         }
     }
 
-    private void signalHandle() {
-        //http://www.comptechdoc.org/os/linux/programming/linux_pgsignals.html
-        String[] sigs = new String[]{"HUP", "TERM", "INT", "QUIT", "KILL", "TSTP", "USR1", "USR2", "STOP"};
-        List<sun.misc.Signal> list = new ArrayList<>();
-        for (String sig : sigs) {
-            try {
-                list.add(new sun.misc.Signal(sig));
-            } catch (Exception e) {
-            }
-        }
-        sun.misc.SignalHandler handler = new sun.misc.SignalHandler() {
-
-            private volatile boolean runed;
-
-            @Override
-            public void handle(Signal sig) {
-                if (runed) return;
-                runed = true;
-                logger.info(Application.this.getClass().getSimpleName() + " stoped\r\n");
-                System.exit(0);
-            }
-        };
-        for (Signal sig : list) {
-            Signal.handle(sig, handler);
-        }
-    }
-
+//    private void signalHandle() {
+//        //http://www.comptechdoc.org/os/linux/programming/linux_pgsignals.html
+//        String[] sigs = new String[]{"HUP", "TERM", "INT", "QUIT", "KILL", "TSTP", "USR1", "USR2", "STOP"};
+//        List<sun.misc.Signal> list = new ArrayList<>();
+//        for (String sig : sigs) {
+//            try {
+//                list.add(new sun.misc.Signal(sig));
+//            } catch (Exception e) {
+//            }
+//        }
+//        sun.misc.SignalHandler handler = new sun.misc.SignalHandler() {
+//
+//            private volatile boolean runed;
+//
+//            @Override
+//            public void handle(Signal sig) {
+//                if (runed) return;
+//                runed = true;
+//                logger.info(Application.this.getClass().getSimpleName() + " stoped\r\n");
+//                System.exit(0);
+//            }
+//        };
+//        for (Signal sig : list) {
+//            try {
+//                Signal.handle(sig, handler);
+//            } catch (Exception e) {
+//            }
+//        }
+//    }
     @SuppressWarnings("unchecked")
     private void runServers(CountDownLatch timecd, final List<AnyValue> serconfs) throws Exception {
         this.servicecdl = new CountDownLatch(serconfs.size());
@@ -748,7 +782,7 @@ public final class Application {
     }
 
     public static Application create(final boolean singleton) throws IOException {
-        final String home = new File(System.getProperty(RESNAME_APP_HOME, "")).getCanonicalPath();
+        final String home = new File(System.getProperty(RESNAME_APP_HOME, "")).getCanonicalPath().replace('\\', '/');
         System.setProperty(RESNAME_APP_HOME, home);
         File appfile = new File(home, "conf/application.xml");
         return new Application(singleton, load(new FileInputStream(appfile)));
@@ -768,6 +802,9 @@ public final class Application {
         application.init();
         application.startSelfServer();
         try {
+            for (ApplicationListener listener : application.listeners) {
+                listener.preStart(application);
+            }
             application.start();
         } catch (Exception e) {
             application.logger.log(Level.SEVERE, "Application start error", e);
@@ -786,6 +823,14 @@ public final class Application {
     }
 
     private void shutdown() throws Exception {
+        for (ApplicationListener listener : this.listeners) {
+            try {
+                listener.preShutdown(this);
+            } catch (Exception e) {
+                logger.log(Level.WARNING, listener.getClass() + " preShutdown erroneous", e);
+            }
+        }
+
         servers.stream().forEach((server) -> {
             try {
                 server.shutdown();
@@ -812,7 +857,7 @@ public final class Application {
                 logger.log(Level.FINER, source.getClass() + " close CacheSource erroneous", e);
             }
         }
-        this.transportFactory.shutdownNow();
+        this.sncpTransportFactory.shutdownNow();
     }
 
     private static int parseLenth(String value, int defValue) {

src/org/redkale/boot/ApplicationListener.java

@@ -0,0 +1,45 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.boot;
+
+import org.redkale.util.AnyValue;
+
+/**
+ * Application启动和关闭时的监听事件 <br>
+ * 只能通过application.xml配置
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public interface ApplicationListener {
+
+    /**
+     * 初始化方法
+     *
+     * @param config 配置参数
+     */
+    default void init(AnyValue config) {
+
+    }
+
+    /**
+     * Application 在运行start前调用
+     *
+     * @param application Application
+     */
+    default void preStart(Application application) {
+    }
+
+    /**
+     * Application 在运行shutdown前调用
+     *
+     * @param application Application
+     */
+    default void preShutdown(Application application) {
+    }
+}

src/org/redkale/boot/LogFileHandler.java

@@ -14,6 +14,7 @@ import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
 import java.util.logging.*;
 import java.util.logging.Formatter;
+import java.util.regex.Pattern;
 
 /**
  * 自定义的日志输出类
@@ -99,6 +100,8 @@ public class LogFileHandler extends Handler {
 
     private boolean append;
 
+    private Pattern denyreg;
+
     private final AtomicLong loglength = new AtomicLong();
 
     private final AtomicLong logunusuallength = new AtomicLong();
@@ -154,6 +157,8 @@ public class LogFileHandler extends Handler {
                                         if (greater.exists()) Files.move(greater.toPath(), new File(logfile.getPath() + "." + (i + 1)).toPath(), REPLACE_EXISTING, ATOMIC_MOVE);
                                     }
                                     Files.move(logfile.toPath(), new File(logfile.getPath() + ".1").toPath(), REPLACE_EXISTING, ATOMIC_MOVE);
+                                } else {
+                                    if (logfile.exists() && logfile.length() < 1) logfile.delete();
                                 }
                                 logstream = null;
                             }
@@ -166,6 +171,8 @@ public class LogFileHandler extends Handler {
                                     if (greater.exists()) Files.move(greater.toPath(), new File(logunusualfile.getPath() + "." + (i + 1)).toPath(), REPLACE_EXISTING, ATOMIC_MOVE);
                                 }
                                 Files.move(logunusualfile.toPath(), new File(logunusualfile.getPath() + ".1").toPath(), REPLACE_EXISTING, ATOMIC_MOVE);
+                            } else {
+                                if (logunusualfile.exists() && logunusualfile.length() < 1) logunusualfile.delete();
                             }
                             logunusualstream = null;
                         }
@@ -278,6 +285,14 @@ public class LogFileHandler extends Handler {
             if (encodingstr != null) setEncoding(encodingstr);
         } catch (Exception e) {
         }
+
+        String denyregstr = manager.getProperty(cname + ".denyreg");
+        try {
+            if (denyregstr != null && !denyregstr.trim().isEmpty()) {
+                denyreg = Pattern.compile(denyregstr);
+            }
+        } catch (Exception e) {
+        }
     }
 
     @Override
@@ -294,6 +309,7 @@ public class LogFileHandler extends Handler {
         } else {
             record.setSourceClassName('[' + Thread.currentThread().getName() + "] " + sourceClassName);
         }
+        if (denyreg != null && denyreg.matcher(record.getMessage()).find()) return;
         records.offer(record);
     }
 

src/org/redkale/boot/NodeHttpServer.java

@@ -7,10 +7,11 @@ package org.redkale.boot;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.*;
-import java.net.InetSocketAddress;
+import java.net.*;
 import java.util.*;
 import java.util.logging.Level;
 import javax.annotation.*;
+import static org.redkale.boot.Application.RESNAME_SNCP_ADDR;
 import org.redkale.boot.ClassFilter.FilterEntry;
 import org.redkale.net.*;
 import org.redkale.net.http.*;
@@ -42,7 +43,7 @@ public class NodeHttpServer extends NodeServer {
     }
 
     private static Server createServer(Application application, AnyValue serconf) {
-        return new HttpServer(application.getStartTime());
+        return new HttpServer(application.getStartTime(), application.getResourceFactory().createChild());
     }
 
     public HttpServer getHttpServer() {
@@ -108,8 +109,13 @@ public class NodeHttpServer extends NodeServer {
                 if (loader != null) loader.load(sncpResFactory, src, resourceName, field, attachment);
                 synchronized (regFactory) {
                     Service nodeService = (Service) rf.find(resourceName, WebSocketNode.class);
+                    if (sncpResFactory != null && resourceFactory.find(RESNAME_SNCP_ADDR, String.class) == null) {
+                        resourceFactory.register(RESNAME_SNCP_ADDR, InetSocketAddress.class, sncpResFactory.find(RESNAME_SNCP_ADDR, InetSocketAddress.class));
+                        resourceFactory.register(RESNAME_SNCP_ADDR, SocketAddress.class, sncpResFactory.find(RESNAME_SNCP_ADDR, SocketAddress.class));
+                        resourceFactory.register(RESNAME_SNCP_ADDR, String.class, sncpResFactory.find(RESNAME_SNCP_ADDR, String.class));
+                    }
                     if (nodeService == null) {
-                        nodeService = Sncp.createLocalService(serverClassLoader, resourceName, WebSocketNodeService.class, application.getResourceFactory(), application.getTransportFactory(), (InetSocketAddress) null, (Set<String>) null, (AnyValue) null);
+                        nodeService = Sncp.createLocalService(serverClassLoader, resourceName, WebSocketNodeService.class, application.getResourceFactory(), application.getSncpTransportFactory(), (InetSocketAddress) null, (Set<String>) null, (AnyValue) null);
                         regFactory.register(resourceName, WebSocketNode.class, nodeService);
                     }
                     resourceFactory.inject(nodeService, self);

src/org/redkale/boot/NodeServer.java

@@ -90,8 +90,8 @@ public abstract class NodeServer {
 
     public NodeServer(Application application, Server server) {
         this.application = application;
-        this.resourceFactory = application.getResourceFactory().createChild();
         this.server = server;
+        this.resourceFactory = server.getResourceFactory();
         this.logger = Logger.getLogger(this.getClass().getSimpleName());
         this.serverClassLoader = new RedkaleClassLoader(application.getServerClassLoader());
         Thread.currentThread().setContextClassLoader(this.serverClassLoader);
@@ -111,7 +111,7 @@ public abstract class NodeServer {
         if (isSNCP()) { // SNCP协议
             String host = this.serverConf.getValue("host", isWATCH() ? "127.0.0.1" : "0.0.0.0").replace("0.0.0.0", "");
             this.sncpAddress = new InetSocketAddress(host.isEmpty() ? application.localAddress.getHostAddress() : host, this.serverConf.getIntValue("port"));
-            this.sncpGroup = application.transportFactory.findGroupName(this.sncpAddress);
+            this.sncpGroup = application.sncpTransportFactory.findGroupName(this.sncpAddress);
             //单向SNCP服务不需要对等group
             //if (this.sncpGroup == null) throw new RuntimeException("Server (" + String.valueOf(config).replaceAll("\\s+", " ") + ") not found <group> info");
         }
@@ -135,11 +135,15 @@ public abstract class NodeServer {
             resourceFactory.register(Server.RESNAME_SERVER_ROOT, Path.class, myroot.toPath());
 
             //加入指定的classpath
-            Server.loadLib(serverClassLoader, logger, this.serverConf.getValue("lib", "${APP_HOME}/libs/*").replace("${APP_HOME}", application.getHome().getPath().replace('\\', '/')));
+            Server.loadLib(serverClassLoader, logger, this.serverConf.getValue("lib", ""));
             this.serverThread.setContextClassLoader(this.serverClassLoader);
         }
         //必须要进行初始化， 构建Service时需要使用Context中的ExecutorService
         server.init(this.serverConf);
+        //init之后才有Executor
+        resourceFactory.register(Server.RESNAME_SERVER_EXECUTOR, Executor.class, server.getExecutor());
+        resourceFactory.register(Server.RESNAME_SERVER_EXECUTOR, ExecutorService.class, server.getExecutor());
+        resourceFactory.register(Server.RESNAME_SERVER_EXECUTOR, ThreadPoolExecutor.class, server.getExecutor());
 
         initResource(); //给 DataSource、CacheSource 注册依赖注入时的监听回调事件。
         String interceptorClass = this.serverConf.getValue("interceptor", "");
@@ -171,7 +175,7 @@ public abstract class NodeServer {
         final NodeServer self = this;
         //---------------------------------------------------------------------------------------------
         final ResourceFactory appResFactory = application.getResourceFactory();
-        final TransportFactory appTranFactory = application.getTransportFactory();
+        final TransportFactory appSncpTranFactory = application.getSncpTransportFactory();
         final AnyValue resources = application.config.getAnyValue("resources");
         final Map<String, AnyValue> cacheResource = new HashMap<>();
         final Map<String, AnyValue> dataResources = new HashMap<>();
@@ -179,6 +183,7 @@ public abstract class NodeServer {
             for (AnyValue sourceConf : resources.getAnyValues("source")) {
                 try {
                     Class type = serverClassLoader.loadClass(sourceConf.getValue("value"));
+                    if (type == DataSource.class) type = DataJdbcSource.class;
                     if (!Service.class.isAssignableFrom(type)) {
                         logger.log(Level.SEVERE, "load application source resource, but not Service error: " + sourceConf);
                     } else if (CacheSource.class.isAssignableFrom(type)) {
@@ -221,7 +226,25 @@ public abstract class NodeServer {
             try {
                 if (field.getAnnotation(Resource.class) == null) return;
                 if ((src instanceof Service) && Sncp.isRemote((Service) src)) return; //远程模式不得注入 DataSource
-                DataSource source = DataSources.createDataSource(resourceName);
+                AnyValue sourceConf = dataResources.get(resourceName);
+                DataSource source = null;
+                boolean needinit = true;
+                if (sourceConf != null) {
+                    final Class sourceType = serverClassLoader.loadClass(sourceConf.getValue("value"));
+                    if (DataSource.class.isAssignableFrom(sourceType)) { // DataSource
+                        final Service srcService = (Service) src;
+                        SncpClient client = Sncp.getSncpClient(srcService);
+                        final InetSocketAddress sncpAddr = client == null ? null : client.getClientAddress();
+                        final Set<String> groups = new HashSet<>();
+                        if (client != null && client.getSameGroup() != null) groups.add(client.getSameGroup());
+                        if (client != null && client.getDiffGroups() != null) groups.addAll(client.getDiffGroups());
+                        source = (DataSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, appResFactory, appSncpTranFactory, sncpAddr, groups, Sncp.getConf(srcService));
+                    }
+                }
+                if (source == null) {
+                    source = DataSources.createDataSource(resourceName); //从persistence.xml配置中创建
+                    needinit = false;
+                }
                 application.dataSources.add(source);
                 appResFactory.register(resourceName, DataSource.class, source);
 
@@ -232,7 +255,7 @@ public abstract class NodeServer {
                     final Set<String> groups = new HashSet<>();
                     if (client != null && client.getSameGroup() != null) groups.add(client.getSameGroup());
                     if (client != null && client.getDiffGroups() != null) groups.addAll(client.getDiffGroups());
-                    Service cacheListenerService = Sncp.createLocalService(serverClassLoader, resourceName, DataCacheListenerService.class, appResFactory, appTranFactory, sncpAddr, groups, Sncp.getConf((Service) src));
+                    Service cacheListenerService = Sncp.createLocalService(serverClassLoader, resourceName, DataCacheListenerService.class, appResFactory, appSncpTranFactory, sncpAddr, groups, Sncp.getConf((Service) src));
                     appResFactory.register(resourceName, DataCacheListener.class, cacheListenerService);
                     localServices.add(cacheListenerService);
                     sncpServer.consumerAccept(cacheListenerService);
@@ -242,7 +265,7 @@ public abstract class NodeServer {
                 field.set(src, source);
                 rf.inject(source, self); // 给其可能包含@Resource的字段赋值;
                 //NodeServer.this.watchFactory.inject(src);
-                if (source instanceof Service) ((Service) source).init(null);
+                if (source instanceof Service && needinit) ((Service) source).init(sourceConf);
             } catch (Exception e) {
                 logger.log(Level.SEVERE, "DataSource inject error", e);
             }
@@ -264,20 +287,16 @@ public abstract class NodeServer {
                     AnyValue sourceConf = cacheResource.get(resourceName);
                     if (sourceConf == null) sourceConf = dataResources.get(resourceName);
                     final Class sourceType = sourceConf == null ? CacheMemorySource.class : serverClassLoader.loadClass(sourceConf.getValue("value"));
-                    Object source;
-                    if (DataSource.class.isAssignableFrom(sourceType)) { // DataSource
-                        source = (DataSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, appResFactory, appTranFactory, sncpAddr, groups, Sncp.getConf(srcService));
-                        application.dataSources.add((DataSource) source);
-                        appResFactory.register(resourceName, DataSource.class, source);
-                    } else { // CacheSource
-                        source = (CacheSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, appResFactory, appTranFactory, sncpAddr, groups, Sncp.getConf(srcService));
+                    Object source = null;
+                    if (CacheSource.class.isAssignableFrom(sourceType)) { // CacheSource
+                        source = (CacheSource) Sncp.createLocalService(serverClassLoader, resourceName, sourceType, appResFactory, appSncpTranFactory, sncpAddr, groups, Sncp.getConf(srcService));
                         Type genericType = field.getGenericType();
                         ParameterizedType pt = (genericType instanceof ParameterizedType) ? (ParameterizedType) genericType : null;
-                        Type valType = pt == null ? null : pt.getActualTypeArguments()[1];
-                        if (sourceType == CacheMemorySource.class) {
-                            CacheMemorySource memorySource = (CacheMemorySource) source;
-                            memorySource.setStoreType(pt == null ? Serializable.class : (Class) pt.getActualTypeArguments()[0], valType instanceof Class ? (Class) valType : Object.class);
-                            if (field.getAnnotation(Transient.class) != null) memorySource.setNeedStore(false); //必须在setStoreType之后
+                        Type valType = pt == null ? null : pt.getActualTypeArguments()[0];
+                        if (CacheSource.class.isAssignableFrom(sourceType)) {
+                            CacheSource cacheSource = (CacheSource) source;
+                            cacheSource.initValueType(valType instanceof Class ? (Class) valType : Object.class);
+                            cacheSource.initTransient(field.getAnnotation(Transient.class) != null); //必须在initValueType之后
                         }
                         application.cacheSources.add((CacheSource) source);
                         appResFactory.register(resourceName, genericType, source);
@@ -311,7 +330,7 @@ public abstract class NodeServer {
         final Set<FilterEntry<? extends Service>> entrys = (Set) serviceFilter.getAllFilterEntrys();
         ResourceFactory regFactory = isSNCP() ? application.getResourceFactory() : resourceFactory;
         final ResourceFactory appResourceFactory = application.getResourceFactory();
-        final TransportFactory appTransportFactory = application.getTransportFactory();
+        final TransportFactory appSncpTransFactory = application.getSncpTransportFactory();
         for (FilterEntry<? extends Service> entry : entrys) { //service实现类
             final Class<? extends Service> serviceImplClass = entry.getType();
             if (Modifier.isFinal(serviceImplClass.getModifiers())) continue; //修饰final的类跳过
@@ -342,9 +361,9 @@ public abstract class NodeServer {
                     Service service;
                     boolean ws = src instanceof WebSocketServlet;
                     if (ws || localed) { //本地模式
-                        service = Sncp.createLocalService(serverClassLoader, resourceName, serviceImplClass, appResourceFactory, appTransportFactory, NodeServer.this.sncpAddress, groups, entry.getProperty());
+                        service = Sncp.createLocalService(serverClassLoader, resourceName, serviceImplClass, appResourceFactory, appSncpTransFactory, NodeServer.this.sncpAddress, groups, entry.getProperty());
                     } else {
-                        service = Sncp.createRemoteService(serverClassLoader, resourceName, serviceImplClass, appTransportFactory, NodeServer.this.sncpAddress, groups, entry.getProperty());
+                        service = Sncp.createRemoteService(serverClassLoader, resourceName, serviceImplClass, appSncpTransFactory, NodeServer.this.sncpAddress, groups, entry.getProperty());
                     }
                     if (SncpClient.parseMethod(serviceImplClass).isEmpty() && serviceImplClass.getAnnotation(Priority.class) == null) return; //class没有可用的方法且没有标记启动优先级的， 通常为BaseService
 

src/org/redkale/boot/NodeSncpServer.java

@@ -44,7 +44,7 @@ public class NodeSncpServer extends NodeServer {
     }
 
     private static Server createServer(Application application, AnyValue serconf) {
-        return new SncpServer(application.getStartTime());
+        return new SncpServer(application.getStartTime(), application.getResourceFactory().createChild());
     }
 
     @Override

src/org/redkale/convert/CollectionDecoder.java

@@ -50,7 +50,7 @@ public final class CollectionDecoder<T> implements Decodeable<Reader, Collection
                 factory.register(type, this);
                 this.decoder = factory.loadDecoder(this.componentType);
             } else {
-                throw new ConvertException("collectiondecoder not support the type (" + type + ")");
+                throw new ConvertException("CollectionDecoder not support the type (" + type + ")");
             }
         } finally {
             inited = true;

src/org/redkale/convert/ConvertDisabled.java

@@ -0,0 +1,47 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.convert;
+
+import java.lang.annotation.*;
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+/**
+ * 序列化时永久禁用该字段, 与ConvertColumn.ignore()的区别在于: ConvertDisabled不能通过ConvertEntity来解禁
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+@Target({METHOD, FIELD})
+@Retention(RUNTIME)
+public @interface ConvertDisabled {
+
+    /**
+     * 解析/序列化定制化的TYPE
+     *
+     * @return JSON or BSON or ALL
+     */
+    ConvertType type() default ConvertType.ALL;
+
+    /**
+     * ConvertDisabled 的多用类
+     *
+     * <p>
+     * 详情见: https://redkale.org
+     *
+     * @author zhangjx
+     */
+    @Inherited
+    @Documented
+    @Target({METHOD, FIELD})
+    @Retention(RUNTIME)
+    public static @interface ConvertDisableds {
+
+        ConvertDisabled[] value();
+    }
+}

src/org/redkale/convert/ConvertFactory.java

@@ -13,9 +13,9 @@ import java.nio.ByteBuffer;
 import java.nio.channels.CompletionHandler;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.*;
 import java.util.regex.Pattern;
-import java.util.stream.Stream;
-import org.redkale.convert.ext.InetAddressSimpledCoder.InetSocketAddressSimpledCoder;
+import java.util.stream.*;
 import org.redkale.convert.ext.*;
 import org.redkale.util.*;
 
@@ -88,16 +88,17 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
             this.register(String.class, StringSimpledCoder.instance);
             this.register(CharSequence.class, CharSequenceSimpledCoder.instance);
             this.register(java.util.Date.class, DateSimpledCoder.instance);
+            this.register(AtomicInteger.class, AtomicIntegerSimpledCoder.instance);
+            this.register(AtomicLong.class, AtomicLongSimpledCoder.instance);
             this.register(BigInteger.class, BigIntegerSimpledCoder.instance);
             this.register(BigDecimal.class, BigDecimalSimpledCoder.instance);
             this.register(InetAddress.class, InetAddressSimpledCoder.instance);
             this.register(DLong.class, DLongSimpledCoder.instance);
             this.register(Class.class, TypeSimpledCoder.instance);
-            this.register(InetSocketAddress.class, InetSocketAddressSimpledCoder.instance);
+            this.register(InetSocketAddress.class, InetAddressSimpledCoder.InetSocketAddressSimpledCoder.instance);
             this.register(Pattern.class, PatternSimpledCoder.instance);
             this.register(File.class, FileSimpledCoder.instance);
             this.register(CompletionHandler.class, CompletionHandlerSimpledCoder.instance);
-            this.register(AsyncHandler.class, AsyncHandlerSimpledCoder.instance);
             this.register(URL.class, URLSimpledCoder.instance);
             this.register(URI.class, URISimpledCoder.instance);
             //---------------------------------------------------------
@@ -107,15 +108,18 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
             this.register(short[].class, ShortArraySimpledCoder.instance);
             this.register(char[].class, CharArraySimpledCoder.instance);
             this.register(int[].class, IntArraySimpledCoder.instance);
+            this.register(IntStream.class, IntArraySimpledCoder.IntStreamSimpledCoder.instance);
             this.register(long[].class, LongArraySimpledCoder.instance);
+            this.register(LongStream.class, LongArraySimpledCoder.LongStreamSimpledCoder.instance);
             this.register(float[].class, FloatArraySimpledCoder.instance);
             this.register(double[].class, DoubleArraySimpledCoder.instance);
+            this.register(DoubleStream.class, DoubleArraySimpledCoder.DoubleStreamSimpledCoder.instance);
             this.register(String[].class, StringArraySimpledCoder.instance);
             //---------------------------------------------------------
             this.register(AnyValue.class, Creator.create(AnyValue.DefaultAnyValue.class));
             this.register(HttpCookie.class, new Creator<HttpCookie>() {
                 @Override
-                @Creator.ConstructorParameters({"name", "value"})
+                @ConstructorParameters({"name", "value"})
                 public HttpCookie create(Object... params) {
                     return new HttpCookie((String) params[0], (String) params[1]);
                 }
@@ -145,6 +149,25 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
         return this;
     }
 
+    public boolean isConvertDisabled(AccessibleObject element) {
+        ConvertDisabled[] ccs = element.getAnnotationsByType(ConvertDisabled.class);
+        if (ccs.length == 0 && element instanceof Method) {
+            final Method method = (Method) element;
+            String fieldName = readGetSetFieldName(method);
+            if (fieldName != null) {
+                try {
+                    ccs = method.getDeclaringClass().getDeclaredField(fieldName).getAnnotationsByType(ConvertDisabled.class);
+                } catch (Exception e) { //说明没有该字段，忽略异常
+                }
+            }
+        }
+        final ConvertType ct = this.getConvertType();
+        for (ConvertDisabled ref : ccs) {
+            if (ref.type().contains(ct)) return true;
+        }
+        return false;
+    }
+
     public ConvertColumnEntry findRef(AccessibleObject element) {
         if (element == null) return null;
         ConvertColumnEntry en = this.columnEntrys.get(element);
@@ -373,12 +396,17 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
         encoders.put(clazz, coder);
     }
 
+    public final <E> void register(final Type clazz, final Decodeable<R, E> decoder, final Encodeable<W, E> encoder) {
+        decoders.put(clazz, decoder);
+        encoders.put(clazz, encoder);
+    }
+
     public final <E> void register(final Type clazz, final Decodeable<R, E> decoder) {
         decoders.put(clazz, decoder);
     }
 
-    public final <E> void register(final Type clazz, final Encodeable<W, E> printer) {
-        encoders.put(clazz, printer);
+    public final <E> void register(final Type clazz, final Encodeable<W, E> encoder) {
+        encoders.put(clazz, encoder);
     }
 
     public final <E> Decodeable<R, E> findDecoder(final Type type) {
@@ -459,6 +487,8 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
             decoder = new StreamDecoder(this, type);
         } else if (Map.class.isAssignableFrom(clazz)) {
             decoder = new MapDecoder(this, type);
+        } else if (Optional.class == clazz) {
+            decoder = new OptionalCoder(this, type);
         } else if (clazz == Object.class) {
             od = new ObjectDecoder(type);
             decoder = od;
@@ -544,6 +574,8 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
             encoder = new StreamEncoder(this, type);
         } else if (Map.class.isAssignableFrom(clazz)) {
             encoder = new MapEncoder(this, type);
+        } else if (Optional.class == clazz) {
+            encoder = new OptionalCoder(this, type);
         } else if (clazz == Object.class) {
             return (Encodeable<W, E>) this.anyEncoder;
         } else if (!clazz.getName().startsWith("java.") || java.net.HttpCookie.class == clazz) {

src/org/redkale/convert/ConvertType.java

@@ -17,6 +17,7 @@ public enum ConvertType {
 
     JSON(1),
     BSON(2),
+    DIY(64),
     ALL(127);
 
     private final int value;

src/org/redkale/convert/MapDecoder.java

@@ -50,6 +50,12 @@ public final class MapDecoder<K, V> implements Decodeable<Reader, Map<K, V>> {
                 factory.register(type, this);
                 this.keyDecoder = factory.loadDecoder(this.keyType);
                 this.valueDecoder = factory.loadDecoder(this.valueType);
+            } else if (factory.isReversible()) {
+                this.keyType = Object.class;
+                this.valueType = Object.class;
+                this.creator = factory.loadCreator((Class) type);
+                this.keyDecoder = factory.loadDecoder(this.keyType);
+                this.valueDecoder = factory.loadDecoder(this.valueType);
             } else {
                 throw new ConvertException("mapdecoder not support the type (" + type + ")");
             }

src/org/redkale/convert/ObjectDecoder.java

@@ -31,7 +31,7 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
 
     protected Creator<T> creator;
 
-    protected DeMember<R, T, ?>[] creatorConstructorMembers;
+    protected DeMember<R, T, ?>[] creatorConstructorMembers = new DeMember[0];
 
     protected DeMember<R, T, ?>[] members;
 
@@ -46,6 +46,14 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
         if (type instanceof ParameterizedType) {
             final ParameterizedType pt = (ParameterizedType) type;
             this.typeClass = (Class) pt.getRawType();
+        } else if (type instanceof TypeVariable) {
+            TypeVariable tv = (TypeVariable) type;
+            Type[] ts = tv.getBounds();
+            if (ts.length == 1 && ts[0] instanceof Class) {
+                this.typeClass = (Class) ts[0];
+            } else {
+                throw new ConvertException("[" + type + "] is no a class or ParameterizedType");
+            }
         } else {
             this.typeClass = (Class) type;
         }
@@ -61,23 +69,33 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
             if (type instanceof ParameterizedType) {
                 final ParameterizedType pts = (ParameterizedType) type;
                 clazz = (Class) (pts).getRawType();
+            } else if (type instanceof TypeVariable) {
+                TypeVariable tv = (TypeVariable) type;
+                Type[] ts = tv.getBounds();
+                if (ts.length == 1 && ts[0] instanceof Class) {
+                    clazz = (Class) ts[0];
+                } else {
+                    throw new ConvertException("[" + type + "] is no a class or TypeVariable");
+                }
             } else if (!(type instanceof Class)) {
                 throw new ConvertException("[" + type + "] is no a class");
             } else {
                 clazz = (Class) type;
             }
-            this.creator = factory.loadCreator(clazz);
-            if (this.creator == null) throw new ConvertException("Cannot create a creator for " + clazz);
-
+            if (!clazz.isInterface() && !Modifier.isAbstract(clazz.getModifiers())) {
+                this.creator = factory.loadCreator(clazz);
+                if (this.creator == null) throw new ConvertException("Cannot create a creator for " + clazz);
+            }
             final Set<DeMember> list = new HashSet();
             final String[] cps = ObjectEncoder.findConstructorProperties(this.creator);
             try {
                 ConvertColumnEntry ref;
                 for (final Field field : clazz.getFields()) {
                     if (Modifier.isStatic(field.getModifiers())) continue;
+                    if (factory.isConvertDisabled(field)) continue;
                     ref = factory.findRef(field);
                     if (ref != null && ref.ignore()) continue;
-                    Type t = TypeToken.createClassType(field.getGenericType(), this.type);
+                    Type t = TypeToken.createClassType(TypeToken.getGenericType(field.getGenericType(), this.type), this.type);
                     DeMember member = new DeMember(ObjectEncoder.createAttribute(factory, clazz, field, null, null), factory.loadDecoder(t));
                     if (ref != null) member.index = ref.getIndex();
                     list.add(member);
@@ -89,7 +107,7 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
                     if (method.isSynthetic()) continue;
                     if (method.getName().length() < 4) continue;
                     if (!method.getName().startsWith("set")) continue;
-                    if (method.getAnnotation(java.beans.Transient.class) != null) continue;
+                    if (factory.isConvertDisabled(method)) continue;
                     if (method.getParameterTypes().length != 1) continue;
                     if (method.getReturnType() != void.class) continue;
                     if (reversible && (cps == null || !ObjectEncoder.contains(cps, ConvertFactory.readGetSetFieldName(method)))) {
@@ -102,7 +120,7 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
                     }
                     ref = factory.findRef(method);
                     if (ref != null && ref.ignore()) continue;
-                    Type t = TypeToken.createClassType(method.getGenericParameterTypes()[0], this.type);
+                    Type t = TypeToken.createClassType(TypeToken.getGenericType(method.getGenericParameterTypes()[0], this.type), this.type);
                     DeMember member = new DeMember(ObjectEncoder.createAttribute(factory, clazz, null, null, method), factory.loadDecoder(t));
                     if (ref != null) member.index = ref.getIndex();
                     list.add(member);
@@ -132,7 +150,7 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
                             } catch (NoSuchMethodException ex) {
                                 getter = clazz.getMethod("is" + mn);
                             }
-                            Type t = TypeToken.createClassType(getter.getGenericParameterTypes()[0], this.type);
+                            Type t = TypeToken.createClassType(TypeToken.getGenericType(getter.getGenericParameterTypes()[0], this.type), this.type);
                             list.add(new DeMember(ObjectEncoder.createAttribute(factory, clazz, null, getter, null), factory.loadDecoder(t)));
                         }
                     }
@@ -185,6 +203,11 @@ public final class ObjectDecoder<R extends Reader, T> implements Decodeable<R, T
                 }
             }
         }
+        if (this.creator == null) {
+            if (typeClass.isInterface() || Modifier.isAbstract(typeClass.getModifiers())) {
+                throw new ConvertException("[" + typeClass + "] is a interface or abstract class, cannot create it's Creator.");
+            }
+        }
         if (this.creatorConstructorMembers == null) {  //空构造函数
             final T result = this.creator.create();
             while (in.hasNext()) {

src/org/redkale/convert/ObjectEncoder.java

@@ -41,6 +41,14 @@ public final class ObjectEncoder<W extends Writer, T> implements Encodeable<W, T
         if (type instanceof ParameterizedType) {
             final ParameterizedType pt = (ParameterizedType) type;
             this.typeClass = (Class) pt.getRawType();
+        } else if (type instanceof TypeVariable) {
+            TypeVariable tv = (TypeVariable) type;
+            Type[] ts = tv.getBounds();
+            if (ts.length == 1 && ts[0] instanceof Class) {
+                this.typeClass = (Class) ts[0];
+            } else {
+                throw new ConvertException("[" + type + "] is no a class or ParameterizedType");
+            }
         } else {
             this.typeClass = (Class) type;
         }
@@ -66,9 +74,10 @@ public final class ObjectEncoder<W extends Writer, T> implements Encodeable<W, T
                 ConvertColumnEntry ref;
                 for (final Field field : clazz.getFields()) {
                     if (Modifier.isStatic(field.getModifiers())) continue;
+                    if (factory.isConvertDisabled(field)) continue;
                     ref = factory.findRef(field);
                     if (ref != null && ref.ignore()) continue;
-                    Type t = TypeToken.createClassType(field.getGenericType(), this.type);
+                    Type t = TypeToken.createClassType(TypeToken.getGenericType(field.getGenericType(), this.type), this.type);
                     EnMember member = new EnMember(createAttribute(factory, clazz, field, null, null), factory.loadEncoder(t));
                     if (ref != null) member.index = ref.getIndex();
                     list.add(member);
@@ -80,7 +89,7 @@ public final class ObjectEncoder<W extends Writer, T> implements Encodeable<W, T
                     if (method.getName().length() < 3) continue;
                     if (method.getName().equals("getClass")) continue;
                     if (!method.getName().startsWith("is") && !method.getName().startsWith("get")) continue;
-                    if (method.getAnnotation(java.beans.Transient.class) != null) continue;
+                    if (factory.isConvertDisabled(method)) continue;
                     if (method.getParameterTypes().length != 0) continue;
                     if (method.getReturnType() == void.class) continue;
                     if (reversible && (cps == null || !contains(cps, ConvertFactory.readGetSetFieldName(method)))) {
@@ -93,7 +102,7 @@ public final class ObjectEncoder<W extends Writer, T> implements Encodeable<W, T
                     }
                     ref = factory.findRef(method);
                     if (ref != null && ref.ignore()) continue;
-                    Type t = TypeToken.createClassType(method.getGenericReturnType(), this.type);
+                    Type t = TypeToken.createClassType(TypeToken.getGenericType(method.getGenericReturnType(), this.type), this.type);
                     EnMember member = new EnMember(createAttribute(factory, clazz, null, method, null), factory.loadEncoder(t));
                     if (ref != null) member.index = ref.getIndex();
                     list.add(member);
@@ -206,8 +215,9 @@ public final class ObjectEncoder<W extends Writer, T> implements Encodeable<W, T
     }
 
     static String[] findConstructorProperties(Creator creator) {
+        if (creator == null) return null;
         try {
-            Creator.ConstructorParameters cps = creator.getClass().getMethod("create", Object[].class).getAnnotation(Creator.ConstructorParameters.class);
+            ConstructorParameters cps = creator.getClass().getMethod("create", Object[].class).getAnnotation(ConstructorParameters.class);
             return cps == null ? null : cps.value();
         } catch (Exception e) {
             return null;

src/org/redkale/convert/OptionalCoder.java

@@ -0,0 +1,107 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.convert;
+
+import java.lang.reflect.*;
+import java.util.*;
+
+/**
+ * Optional 的SimpledCoder实现
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ * @param <R> Reader输入的子类型
+ * @param <W> Writer输出的子类型
+ */
+public class OptionalCoder<R extends Reader, W extends Writer, T> extends SimpledCoder<R, W, Optional<T>> {
+
+    private final Type type;
+
+    private final Type componentType;
+
+    protected final Class componentClass;
+
+    protected final Decodeable<Reader, T> decoder;
+
+    protected final Encodeable<Writer, T> encoder;
+
+    private boolean inited = false;
+
+    private final Object lock = new Object();
+
+    public OptionalCoder(final ConvertFactory factory, final Type type) {
+        this.type = type;
+        try {
+            if (type instanceof ParameterizedType) {
+                final ParameterizedType pt = (ParameterizedType) type;
+                this.componentType = pt.getActualTypeArguments()[0];
+                factory.register(type, this);
+                this.decoder = factory.loadDecoder(this.componentType);
+                if (this.componentType instanceof TypeVariable) {
+                    this.encoder = factory.getAnyEncoder();
+                    this.componentClass = Object.class;
+                } else {
+                    if (componentType instanceof ParameterizedType) {
+                        final ParameterizedType pt2 = (ParameterizedType) componentType;
+                        this.componentClass = (Class) pt2.getRawType();
+                    } else {
+                        this.componentClass = (Class) componentType;
+                    }
+                    this.encoder = factory.loadEncoder(this.componentType);
+                }
+            } else {
+                this.componentType = Object.class;
+                this.componentClass = Object.class;
+                this.decoder = factory.loadDecoder(this.componentType);
+                this.encoder = factory.getAnyEncoder();
+            }
+        } finally {
+            inited = true;
+            synchronized (lock) {
+                lock.notifyAll();
+            }
+        }
+    }
+
+    @Override
+    public void convertTo(W out, Optional<T> value) {
+        if (value == null || !value.isPresent()) {
+            out.writeObjectNull(null);
+            return;
+        }
+        if (this.encoder == null) {
+            if (!this.inited) {
+                synchronized (lock) {
+                    try {
+                        lock.wait();
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }
+        this.encoder.convertTo(out, value.get());
+    }
+
+    @Override
+    public Optional<T> convertFrom(R in) {
+        if (this.decoder == null) {
+            if (!this.inited) {
+                synchronized (lock) {
+                    try {
+                        lock.wait();
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }
+        return Optional.ofNullable(this.decoder.convertFrom(in));
+    }
+
+}

src/org/redkale/convert/bson/BsonConvert.java

@@ -73,7 +73,7 @@ public final class BsonConvert extends BinaryConvert<BsonReader, BsonWriter> {
     }
 
     public void offerBsonReader(final BsonReader in) {
-        if (in != null) readerPool.offer(in);
+        if (in != null) readerPool.accept(in);
     }
 
     //------------------------------ writer -----------------------------------------------------------
@@ -90,7 +90,7 @@ public final class BsonConvert extends BinaryConvert<BsonReader, BsonWriter> {
     }
 
     public void offerBsonWriter(final BsonWriter out) {
-        if (out != null) writerPool.offer(out);
+        if (out != null) writerPool.accept(out);
     }
 
     //------------------------------ convertFrom -----------------------------------------------------------
@@ -106,7 +106,7 @@ public final class BsonConvert extends BinaryConvert<BsonReader, BsonWriter> {
         in.setBytes(bytes, start, len);
         @SuppressWarnings("unchecked")
         T rs = (T) factory.loadDecoder(type).convertFrom(in);
-        readerPool.offer(in);
+        readerPool.accept(in);
         return rs;
     }
 
@@ -145,7 +145,7 @@ public final class BsonConvert extends BinaryConvert<BsonReader, BsonWriter> {
             final BsonWriter out = writerPool.get().tiny(tiny);
             out.writeNull();
             byte[] result = out.toArray();
-            writerPool.offer(out);
+            writerPool.accept(out);
             return result;
         }
         return convertTo(value.getClass(), value);
@@ -157,7 +157,7 @@ public final class BsonConvert extends BinaryConvert<BsonReader, BsonWriter> {
         final BsonWriter out = writerPool.get().tiny(tiny);
         factory.loadEncoder(type).convertTo(out, value);
         byte[] result = out.toArray();
-        writerPool.offer(out);
+        writerPool.accept(out);
         return result;
     }
 
@@ -167,7 +167,7 @@ public final class BsonConvert extends BinaryConvert<BsonReader, BsonWriter> {
         final BsonWriter out = writerPool.get().tiny(tiny);
         ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
         byte[] result = out.toArray();
-        writerPool.offer(out);
+        writerPool.accept(out);
         return result;
     }
 

src/org/redkale/convert/ext/AsyncHandlerSimpledCoder.java

@@ -1,36 +0,0 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-package org.redkale.convert.ext;
-
-import org.redkale.convert.*;
-import org.redkale.util.AsyncHandler;
-
-/**
- * AsyncHandlerSimpledCoder 的SimpledCoder实现, 只输出null
- *
- * <p>
- * 详情见: https://redkale.org
- *
- * @author zhangjx
- * @param <R> Reader输入的子类型
- * @param <W> Writer输出的子类型
- */
-public final class AsyncHandlerSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, AsyncHandler> {
-
-    public static final AsyncHandlerSimpledCoder instance = new AsyncHandlerSimpledCoder();
-
-    @Override
-    public void convertTo(W out, AsyncHandler value) {
-        out.writeObjectNull(AsyncHandler.class);
-    }
-
-    @Override
-    public AsyncHandler convertFrom(R in) {
-        in.readObjectB(AsyncHandler.class);
-        return null;
-    }
-
-}

src/org/redkale/convert/ext/AtomicIntegerSimpledCoder.java

@@ -0,0 +1,35 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.convert.ext;
+
+import java.util.concurrent.atomic.AtomicInteger;
+import org.redkale.convert.*;
+
+/**
+ * AtomicInteger 的SimpledCoder实现
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ * @param <R> Reader输入的子类型
+ * @param <W> Writer输出的子类型
+ */
+public class AtomicIntegerSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, AtomicInteger> {
+
+    public static final AtomicIntegerSimpledCoder instance = new AtomicIntegerSimpledCoder();
+
+    @Override
+    public void convertTo(W out, AtomicInteger value) {
+        out.writeInt(value == null ? 0 : value.get());
+    }
+
+    @Override
+    public AtomicInteger convertFrom(R in) {
+        return new AtomicInteger(in.readInt());
+    }
+
+}

src/org/redkale/convert/ext/AtomicLongSimpledCoder.java

@@ -0,0 +1,35 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.convert.ext;
+
+import java.util.concurrent.atomic.AtomicLong;
+import org.redkale.convert.*;
+
+/**
+ * AtomicLong 的SimpledCoder实现
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ * @param <R> Reader输入的子类型
+ * @param <W> Writer输出的子类型
+ */
+public final class AtomicLongSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, AtomicLong> {
+
+    public static final AtomicLongSimpledCoder instance = new AtomicLongSimpledCoder();
+
+    @Override
+    public void convertTo(W out, AtomicLong value) {
+        out.writeLong(value == null ? 0 : value.get());
+    }
+
+    @Override
+    public AtomicLong convertFrom(R in) {
+        return new AtomicLong(in.readLong());
+    }
+
+}

src/org/redkale/convert/ext/DoubleArraySimpledCoder.java

@@ -5,6 +5,7 @@
  */
 package org.redkale.convert.ext;
 
+import java.util.stream.DoubleStream;
 import org.redkale.convert.Reader;
 import org.redkale.convert.SimpledCoder;
 import org.redkale.convert.Writer;
@@ -12,7 +13,9 @@ import org.redkale.convert.Writer;
 /**
  * double[] 的SimpledCoder实现
  *
- * <p> 详情见: https://redkale.org
+ * <p>
+ * 详情见: https://redkale.org
+ *
  * @author zhangjx
  * @param <R> Reader输入的子类型
  * @param <W> Writer输出的子类型
@@ -66,4 +69,24 @@ public final class DoubleArraySimpledCoder<R extends Reader, W extends Writer> e
         }
     }
 
+    public final static class DoubleStreamSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, DoubleStream> {
+
+        public static final DoubleStreamSimpledCoder instance = new DoubleStreamSimpledCoder();
+
+        @Override
+        public void convertTo(W out, DoubleStream values) {
+            if (values == null) {
+                out.writeNull();
+                return;
+            }
+            DoubleArraySimpledCoder.instance.convertTo(out, values.toArray());
+        }
+
+        @Override
+        public DoubleStream convertFrom(R in) {
+            double[] value = DoubleArraySimpledCoder.instance.convertFrom(in);
+            return value == null ? null : DoubleStream.of(value);
+        }
+
+    }
 }

src/org/redkale/convert/ext/IntArraySimpledCoder.java

@@ -5,6 +5,7 @@
  */
 package org.redkale.convert.ext;
 
+import java.util.stream.IntStream;
 import org.redkale.convert.Reader;
 import org.redkale.convert.SimpledCoder;
 import org.redkale.convert.Writer;
@@ -12,7 +13,9 @@ import org.redkale.convert.Writer;
 /**
  * int[] 的SimpledCoder实现
  *
- * <p> 详情见: https://redkale.org
+ * <p>
+ * 详情见: https://redkale.org
+ *
  * @author zhangjx
  * @param <R> Reader输入的子类型
  * @param <W> Writer输出的子类型
@@ -66,4 +69,24 @@ public final class IntArraySimpledCoder<R extends Reader, W extends Writer> exte
         }
     }
 
+    public final static class IntStreamSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, IntStream> {
+
+        public static final IntStreamSimpledCoder instance = new IntStreamSimpledCoder();
+
+        @Override
+        public void convertTo(W out, IntStream values) {
+            if (values == null) {
+                out.writeNull();
+                return;
+            }
+            IntArraySimpledCoder.instance.convertTo(out, values.toArray());
+        }
+
+        @Override
+        public IntStream convertFrom(R in) {
+            int[] value = IntArraySimpledCoder.instance.convertFrom(in);
+            return value == null ? null : IntStream.of(value);
+        }
+
+    }
 }

src/org/redkale/convert/ext/LongArraySimpledCoder.java

@@ -5,6 +5,7 @@
  */
 package org.redkale.convert.ext;
 
+import java.util.stream.LongStream;
 import org.redkale.convert.Reader;
 import org.redkale.convert.SimpledCoder;
 import org.redkale.convert.Writer;
@@ -68,4 +69,24 @@ public final class LongArraySimpledCoder<R extends Reader, W extends Writer> ext
         }
     }
 
+    public final static class LongStreamSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, LongStream> {
+
+        public static final LongStreamSimpledCoder instance = new LongStreamSimpledCoder();
+
+        @Override
+        public void convertTo(W out, LongStream values) {
+            if (values == null) {
+                out.writeNull();
+                return;
+            }
+            LongArraySimpledCoder.instance.convertTo(out, values.toArray());
+        }
+
+        @Override
+        public LongStream convertFrom(R in) {
+            long[] value = LongArraySimpledCoder.instance.convertFrom(in);
+            return value == null ? null : LongStream.of(value);
+        }
+
+    }
 }

src/org/redkale/convert/json/JsonByteBufferWriter.java

@@ -155,7 +155,7 @@ public class JsonByteBufferWriter extends JsonWriter {
         if (charset == null) { //UTF-8
             final int limit = start + len;
             for (int i = start; i < limit; i++) {
-                buffer = putChar(buffer, chs[i]);
+                buffer = putUTF8Char(buffer, chs[i]);
             }
         } else {
             while (bb.hasRemaining()) {
@@ -169,7 +169,7 @@ public class JsonByteBufferWriter extends JsonWriter {
         }
     }
 
-    private ByteBuffer putChar(ByteBuffer buffer, char c) {
+    private ByteBuffer putUTF8Char(ByteBuffer buffer, char c) {
         if (c < 0x80) {
             if (!buffer.hasRemaining()) buffer = nextByteBuffer();
             buffer.put((byte) c);

src/org/redkale/convert/json/JsonConvert.java

@@ -23,7 +23,7 @@ import org.redkale.util.*;
 @SuppressWarnings("unchecked")
 public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
 
-    public static final Type TYPE_MAP_STRING_STRING = new TypeToken<java.util.LinkedHashMap<String, String>>() {
+    public static final Type TYPE_MAP_STRING_STRING = new TypeToken<java.util.HashMap<String, String>>() {
     }.getType();
 
     private static final ObjectPool<JsonReader> readerPool = JsonReader.createPool(Integer.getInteger("convert.json.pool.size", 16));
@@ -60,7 +60,7 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
     }
 
     public void offerJsonReader(final JsonReader in) {
-        if (in != null) readerPool.offer(in);
+        if (in != null) readerPool.accept(in);
     }
 
     //------------------------------ writer -----------------------------------------------------------
@@ -81,7 +81,7 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
     }
 
     public void offerJsonWriter(final JsonWriter out) {
-        if (out != null) writerPool.offer(out);
+        if (out != null) writerPool.accept(out);
     }
 
     //------------------------------ convertFrom -----------------------------------------------------------
@@ -100,7 +100,7 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         final JsonReader in = readerPool.get();
         in.setText(text, start, len);
         T rs = (T) factory.loadDecoder(type).convertFrom(in);
-        readerPool.offer(in);
+        readerPool.accept(in);
         return rs;
     }
 
@@ -142,7 +142,7 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         final JsonWriter out = writerPool.get().tiny(tiny);
         factory.loadEncoder(type).convertTo(out, value);
         String result = out.toString();
-        writerPool.offer(out);
+        writerPool.accept(out);
         return result;
     }
 
@@ -152,7 +152,7 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         final JsonWriter out = writerPool.get().tiny(tiny);
         ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(out, values);
         String result = out.toString();
-        writerPool.offer(out);
+        writerPool.accept(out);
         return result;
     }
 
@@ -160,7 +160,7 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         if (value == null) {
             new JsonStreamWriter(tiny, out).writeNull();
         } else {
-            factory.loadEncoder(value.getClass()).convertTo(new JsonStreamWriter(tiny, out), value);
+            convertTo(out, value.getClass(), value);
         }
     }
 
@@ -169,7 +169,15 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         if (value == null) {
             new JsonStreamWriter(tiny, out).writeNull();
         } else {
-            factory.loadEncoder(type).convertTo(new JsonStreamWriter(tiny, out), value);
+            final JsonWriter writer = writerPool.get().tiny(tiny);
+            factory.loadEncoder(type).convertTo(writer, value);
+            byte[] bs = writer.toBytes();
+            writerPool.accept(writer);
+            try {
+                out.write(bs);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
         }
     }
 
@@ -177,7 +185,15 @@ public final class JsonConvert extends TextConvert<JsonReader, JsonWriter> {
         if (values == null) {
             new JsonStreamWriter(tiny, out).writeNull();
         } else {
-            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(new JsonStreamWriter(tiny, out), values);
+            final JsonWriter writer = writerPool.get().tiny(tiny);
+            ((AnyEncoder) factory.getAnyEncoder()).convertMapTo(writer, values);
+            byte[] bs = writer.toBytes();
+            writerPool.accept(writer);
+            try {
+                out.write(bs);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
         }
     }
 

src/org/redkale/convert/json/JsonReader.java

@@ -162,6 +162,7 @@ public class JsonReader extends Reader {
      * 判断下一个非空白字符是否为{
      *
      * @param clazz 类名
+     *
      * @return 返回 null 表示对象为null， 返回空字符串表示当前class与返回的class一致，返回非空字符串表示class是当前class的子类。
      */
     @Override
@@ -404,7 +405,7 @@ public class JsonReader extends Reader {
     @Override
     public final DeMember readFieldName(final DeMember[] members) {
         final String exceptedfield = this.readSmallString();
-        if(exceptedfield == null) return null;
+        if (exceptedfield == null) return null;
         final int len = members.length;
         if (this.fieldIndex >= len) this.fieldIndex = 0;
         for (int k = this.fieldIndex; k < len; k++) {
@@ -475,12 +476,22 @@ public class JsonReader extends Reader {
             }
         }
         if (expected != '"' && expected != '\'') {
-            if (expected == 'n' && text0.length > currpos + 3) {
+            if (expected == 'n' && text0.length > currpos + 3 && (text0[1 + currpos] == 'u' && text0[2 + currpos] == 'l' && text0[3 + currpos] == 'l')) {
                 if (text0[++currpos] == 'u' && text0[++currpos] == 'l' && text0[++currpos] == 'l') {
                     this.position = currpos;
                     if (text0.length > currpos + 4) {
                         char ch = text0[currpos + 1];
                         if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || ch == ':') return null;
+                        final int start = currpos - 3;
+                        for (;;) {
+                            if (currpos >= text0.length) break;
+                            ch = text0[currpos];
+                            if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || ch == ':') break;
+                            currpos++;
+                        }
+                        if (currpos == start) throw new ConvertException("expected a string after a key but '" + text0[position] + "' (position = " + position + ") in (" + new String(this.text) + ")");
+                        this.position = currpos - 1;
+                        return new String(text0, start, currpos - start);
                     } else {
                         return null;
                     }
@@ -488,6 +499,7 @@ public class JsonReader extends Reader {
             } else {
                 final int start = currpos;
                 for (;;) {
+                    if (currpos >= text0.length) break;
                     char ch = text0[currpos];
                     if (ch == ',' || ch <= ' ' || ch == '}' || ch == ']' || ch == ':') break;
                     currpos++;

src/org/redkale/convert/json/JsonWriter.java

@@ -59,6 +59,7 @@ public class JsonWriter extends Writer {
      * 返回指定至少指定长度的缓冲区
      *
      * @param len
+     *
      * @return
      */
     private char[] expand(int len) {
@@ -108,6 +109,10 @@ public class JsonWriter extends Writer {
         return new ByteBuffer[]{ByteBuffer.wrap(Utility.encodeUTF8(content, 0, count))};
     }
 
+    public byte[] toBytes() {
+        return Utility.encodeUTF8(content, 0, count);
+    }
+
     public int count() {
         return this.count;
     }

src/org/redkale/net/AsyncConnection.java

@@ -12,6 +12,7 @@ import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
+import javax.net.ssl.SSLContext;
 
 /**
  *
@@ -22,15 +23,29 @@ import java.util.concurrent.atomic.AtomicLong;
  */
 public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCloseable {
 
+    protected SSLContext sslContext;
+
     protected Map<String, Object> attributes; //用于存储绑定在Connection上的对象集合
 
     protected Object subobject; //用于存储绑定在Connection上的对象， 同attributes， 只绑定单个对象时尽量使用subobject而非attributes
 
+    protected volatile long readtime;
+
+    protected volatile long writetime;
+
     //关闭数
-    AtomicLong closedCounter = new AtomicLong();
+    protected AtomicLong closedCounter;
 
     //在线数
-    AtomicLong livingCounter = new AtomicLong();
+    protected AtomicLong livingCounter;
+
+    public final long getLastReadTime() {
+        return readtime;
+    }
+
+    public final long getLastWriteTime() {
+        return writetime;
+    }
 
     public abstract boolean isTCP();
 
@@ -110,40 +125,75 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
     }
 
     //------------------------------------------------------------------------------------------------------------------------------
-    public static AsyncConnection create(final String protocol, final AsynchronousChannelGroup group, final SocketAddress address) throws IOException {
-        return create(protocol, group, address, 0, 0);
+    /**
+     * 创建TCP协议客户端连接
+     *
+     * @param address            连接点子
+     * @param group              连接AsynchronousChannelGroup
+     * @param readTimeoutSecond  读取超时秒数
+     * @param writeTimeoutSecond 写入超时秒数
+     *
+     * @return 连接CompletableFuture
+     */
+    public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SocketAddress address,
+        final int readTimeoutSecond, final int writeTimeoutSecond) {
+        return createTCP(group, null, address, false, readTimeoutSecond, writeTimeoutSecond);
     }
 
     /**
-     * 创建客户端连接
+     * 创建TCP协议客户端连接
      *
-     * @param protocol            连接类型 只能是TCP或UDP
-     * @param address             连接点子
-     * @param group               连接AsynchronousChannelGroup
-     * @param readTimeoutSecond0  读取超时秒数
-     * @param writeTimeoutSecond0 写入超时秒数
+     * @param address            连接点子
+     * @param sslContext         SSLContext
+     * @param group              连接AsynchronousChannelGroup
+     * @param readTimeoutSecond  读取超时秒数
+     * @param writeTimeoutSecond 写入超时秒数
      *
-     * @return 连接
-     * @throws java.io.IOException 异常
+     * @return 连接CompletableFuture
      */
-    public static AsyncConnection create(final String protocol, final AsynchronousChannelGroup group, final SocketAddress address,
-        final int readTimeoutSecond0, final int writeTimeoutSecond0) throws IOException {
-        if ("TCP".equalsIgnoreCase(protocol)) {
-            AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(group);
-            try {
-                channel.connect(address).get(3, TimeUnit.SECONDS);
-            } catch (Exception e) {
-                throw new IOException("AsyncConnection connect " + address, e);
-            }
-            return create(channel, address, readTimeoutSecond0, writeTimeoutSecond0);
-        } else if ("UDP".equalsIgnoreCase(protocol)) {
-            DatagramChannel channel = DatagramChannel.open();
-            channel.configureBlocking(true);
-            channel.connect(address);
-            return create(channel, address, true, readTimeoutSecond0, writeTimeoutSecond0);
-        } else {
-            throw new RuntimeException("AsyncConnection not support protocol " + protocol);
+    public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SSLContext sslContext,
+        final SocketAddress address, final int readTimeoutSecond, final int writeTimeoutSecond) {
+        return createTCP(group, sslContext, address, false, readTimeoutSecond, writeTimeoutSecond);
+    }
+
+    /**
+     * 创建TCP协议客户端连接
+     *
+     * @param address            连接点子
+     * @param sslContext         SSLContext
+     * @param group              连接AsynchronousChannelGroup
+     * @param noDelay            TcpNoDelay
+     * @param readTimeoutSecond  读取超时秒数
+     * @param writeTimeoutSecond 写入超时秒数
+     *
+     * @return 连接CompletableFuture
+     */
+    public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SSLContext sslContext,
+        final SocketAddress address, final boolean noDelay, final int readTimeoutSecond, final int writeTimeoutSecond) {
+        final CompletableFuture future = new CompletableFuture();
+        try {
+            final AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(group);
+            channel.connect(address, null, new CompletionHandler<Void, Void>() {
+                @Override
+                public void completed(Void result, Void attachment) {
+                    if (noDelay) {
+                        try {
+                            channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                        } catch (IOException e) {
+                        }
+                    }
+                    future.complete(create(channel, sslContext, address, readTimeoutSecond, writeTimeoutSecond));
+                }
+
+                @Override
+                public void failed(Throwable exc, Void attachment) {
+                    future.completeExceptionally(exc);
+                }
+            });
+        } catch (IOException e) {
+            future.completeExceptionally(e);
         }
+        return future;
     }
 
     private static class BIOUDPAsyncConnection extends AsyncConnection {
@@ -209,6 +259,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
                     rs += channel.send(srcs[i], remoteAddress);
                     if (i != offset) Thread.sleep(10);
                 }
+                this.writetime = System.currentTimeMillis();
                 if (handler != null) handler.completed(rs, attachment);
             } catch (Exception e) {
                 if (handler != null) handler.failed(e, attachment);
@@ -219,6 +270,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
             try {
                 int rs = channel.read(dst);
+                this.readtime = System.currentTimeMillis();
                 if (handler != null) handler.completed(rs, attachment);
             } catch (IOException e) {
                 if (handler != null) handler.failed(e, attachment);
@@ -229,6 +281,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public Future<Integer> read(ByteBuffer dst) {
             try {
                 int rs = channel.read(dst);
+                this.readtime = System.currentTimeMillis();
                 return CompletableFuture.completedFuture(rs);
             } catch (IOException e) {
                 throw new RuntimeException(e);
@@ -239,6 +292,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
             try {
                 int rs = channel.send(src, remoteAddress);
+                this.writetime = System.currentTimeMillis();
                 if (handler != null) handler.completed(rs, attachment);
             } catch (IOException e) {
                 if (handler != null) handler.failed(e, attachment);
@@ -249,6 +303,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public Future<Integer> write(ByteBuffer src) {
             try {
                 int rs = channel.send(src, remoteAddress);
+                this.writetime = System.currentTimeMillis();
                 return CompletableFuture.completedFuture(rs);
             } catch (IOException e) {
                 throw new RuntimeException(e);
@@ -359,6 +414,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
                 for (int i = offset; i < offset + length; i++) {
                     rs += writeChannel.write(srcs[i]);
                 }
+                this.writetime = System.currentTimeMillis();
                 if (handler != null) handler.completed(rs, attachment);
             } catch (IOException e) {
                 if (handler != null) handler.failed(e, attachment);
@@ -369,6 +425,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
             try {
                 int rs = readChannel.read(dst);
+                this.readtime = System.currentTimeMillis();
                 if (handler != null) handler.completed(rs, attachment);
             } catch (IOException e) {
                 if (handler != null) handler.failed(e, attachment);
@@ -379,6 +436,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public Future<Integer> read(ByteBuffer dst) {
             try {
                 int rs = readChannel.read(dst);
+                this.readtime = System.currentTimeMillis();
                 return CompletableFuture.completedFuture(rs);
             } catch (IOException e) {
                 throw new RuntimeException(e);
@@ -389,6 +447,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
             try {
                 int rs = writeChannel.write(src);
+                this.writetime = System.currentTimeMillis();
                 if (handler != null) handler.completed(rs, attachment);
             } catch (IOException e) {
                 if (handler != null) handler.failed(e, attachment);
@@ -399,6 +458,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         public Future<Integer> write(ByteBuffer src) {
             try {
                 int rs = writeChannel.write(src);
+                this.writetime = System.currentTimeMillis();
                 return CompletableFuture.completedFuture(rs);
             } catch (IOException e) {
                 throw new RuntimeException(e);
@@ -442,8 +502,10 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
         private final SocketAddress remoteAddress;
 
-        public AIOTCPAsyncConnection(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
+        public AIOTCPAsyncConnection(final AsynchronousSocketChannel ch, SSLContext sslContext,
+            final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
             this.channel = ch;
+            this.sslContext = sslContext;
             this.readTimeoutSecond = readTimeoutSecond0;
             this.writeTimeoutSecond = writeTimeoutSecond0;
             SocketAddress addr = addr0;
@@ -459,6 +521,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
         @Override
         public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
+            this.readtime = System.currentTimeMillis();
             if (readTimeoutSecond > 0) {
                 channel.read(dst, readTimeoutSecond, TimeUnit.SECONDS, attachment, handler);
             } else {
@@ -468,6 +531,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
         @Override
         public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+            this.writetime = System.currentTimeMillis();
             if (writeTimeoutSecond > 0) {
                 channel.write(src, writeTimeoutSecond, TimeUnit.SECONDS, attachment, handler);
             } else {
@@ -477,6 +541,7 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
 
         @Override
         public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, final CompletionHandler<Integer, ? super A> handler) {
+            this.writetime = System.currentTimeMillis();
             channel.write(srcs, offset, length, writeTimeoutSecond > 0 ? writeTimeoutSecond : 60, TimeUnit.SECONDS,
                 attachment, new CompletionHandler<Long, A>() {
 
@@ -559,8 +624,15 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         return create(ch, null, 0, 0);
     }
 
-    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-        return new AIOTCPAsyncConnection(ch, addr0, readTimeoutSecond0, writeTimeoutSecond0);
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSecond, final int writeTimeoutSecond) {
+        return new AIOTCPAsyncConnection(ch, null, addr0, readTimeoutSecond, writeTimeoutSecond);
     }
 
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, SSLContext sslContext, final SocketAddress addr0, final int readTimeoutSecond, final int writeTimeoutSecond) {
+        return new AIOTCPAsyncConnection(ch, sslContext, addr0, readTimeoutSecond, writeTimeoutSecond);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final Context context) {
+        return new AIOTCPAsyncConnection(ch, context.sslContext, addr0, context.readTimeoutSecond, context.writeTimeoutSecond);
+    }
 }

src/org/redkale/net/Context.java

@@ -5,12 +5,15 @@
  */
 package org.redkale.net;
 
+import java.io.IOException;
 import java.net.*;
 import java.nio.*;
+import java.nio.channels.AsynchronousChannelGroup;
 import java.nio.charset.*;
 import java.util.concurrent.*;
 import java.util.function.*;
 import java.util.logging.*;
+import javax.net.ssl.SSLContext;
 import org.redkale.convert.bson.*;
 import org.redkale.convert.json.*;
 import org.redkale.util.*;
@@ -33,6 +36,9 @@ public class Context {
     //Server的线程池
     protected final ThreadPoolExecutor executor;
 
+    //SSL
+    protected final SSLContext sslContext;
+
     //ByteBuffer的容量，默认8K
     protected final int bufferCapacity;
 
@@ -69,11 +75,17 @@ public class Context {
     //JSON操作工厂
     protected final JsonFactory jsonFactory;
 
-    public Context(long serverStartTime, Logger logger, ThreadPoolExecutor executor, int bufferCapacity, ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool,
-        final int maxbody, Charset charset, InetSocketAddress address, final PrepareServlet prepare, final int readTimeoutSecond, final int writeTimeoutSecond) {
+    //依赖注入工厂类
+    protected final ResourceFactory resourceFactory;
+
+    public Context(long serverStartTime, Logger logger, ThreadPoolExecutor executor, SSLContext sslContext,
+        int bufferCapacity, ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool,
+        final int maxbody, Charset charset, InetSocketAddress address, ResourceFactory resourceFactory,
+        final PrepareServlet prepare, final int readTimeoutSecond, final int writeTimeoutSecond) {
         this.serverStartTime = serverStartTime;
         this.logger = logger;
         this.executor = executor;
+        this.sslContext = sslContext;
         this.bufferCapacity = bufferCapacity;
         this.bufferPool = bufferPool;
         this.responsePool = responsePool;
@@ -81,12 +93,21 @@ public class Context {
         this.charset = UTF8.equals(charset) ? null : charset;
         this.address = address;
         this.prepare = prepare;
+        this.resourceFactory = resourceFactory;
         this.readTimeoutSecond = readTimeoutSecond;
         this.writeTimeoutSecond = writeTimeoutSecond;
         this.jsonFactory = JsonFactory.root();
         this.bsonFactory = BsonFactory.root();
     }
 
+    public ResourceFactory getResourceFactory() {
+        return resourceFactory;
+    }
+
+    public SSLContext getSSLContext() {
+        return sslContext;
+    }
+
     public int getMaxbody() {
         return maxbody;
     }
@@ -107,6 +128,10 @@ public class Context {
         return executor.submit(r);
     }
 
+    public AsynchronousChannelGroup createAsynchronousChannelGroup() throws IOException {
+        return AsynchronousChannelGroup.withThreadPool(executor);
+    }
+
     public void runAsync(Runnable r) {
         executor.execute(r);
     }
@@ -124,13 +149,13 @@ public class Context {
     }
 
     public void offerBuffer(ByteBuffer buffer) {
-        bufferPool.offer(buffer);
+        bufferPool.accept(buffer);
     }
 
     public void offerBuffer(ByteBuffer... buffers) {
         if (buffers == null) return;
         for (ByteBuffer buffer : buffers) {
-            bufferPool.offer(buffer);
+            bufferPool.accept(buffer);
         }
     }
 

src/org/redkale/net/Filter.java

@@ -35,7 +35,7 @@ public abstract class Filter<C extends Context, R extends Request<C>, P extends
     }
 
     @Override
-    public final int compareTo(Object o) {
+    public int compareTo(Object o) {
         if (!(o instanceof Filter)) return 1;
         Priority p1 = this.getClass().getAnnotation(Priority.class);
         Priority p2 = o.getClass().getAnnotation(Priority.class);

src/org/redkale/net/PrepareRunner.java

@@ -48,14 +48,16 @@ public final class PrepareRunner implements Runnable {
             }
             return;
         }
-        final ByteBuffer buffer = context.pollBuffer();
+        final Response response = responsePool.get();
+        final ByteBuffer buffer = response.request.pollReadBuffer();
         try {
             channel.read(buffer, null, new CompletionHandler<Integer, Void>() {
                 @Override
                 public void completed(Integer count, Void attachment1) {
                     if (count < 1 && buffer.remaining() == buffer.limit()) {
                         try {
-                            context.offerBuffer(buffer);
+                            response.request.offerReadBuffer(buffer);
+                            response.finish(true);
                             channel.close();
                         } catch (Exception e) {
                             context.logger.log(Level.FINEST, "PrepareRunner close channel erroneous on no read bytes", e);
@@ -69,7 +71,6 @@ public final class PrepareRunner implements Runnable {
 //                        System.println(new String(bs));
 //                    }
                     buffer.flip();
-                    final Response response = responsePool.get();
                     response.init(channel);
                     try {
                         prepare.prepare(buffer, response.request, response);
@@ -81,7 +82,8 @@ public final class PrepareRunner implements Runnable {
 
                 @Override
                 public void failed(Throwable exc, Void attachment2) {
-                    context.offerBuffer(buffer);
+                    response.request.offerReadBuffer(buffer);
+                    response.finish(true);
                     try {
                         channel.close();
                     } catch (Exception e) {
@@ -90,7 +92,8 @@ public final class PrepareRunner implements Runnable {
                 }
             });
         } catch (Exception te) {
-            context.offerBuffer(buffer);
+            response.request.offerReadBuffer(buffer);
+            response.finish(true);
             try {
                 channel.close();
             } catch (Exception e) {

src/org/redkale/net/PrepareServlet.java

@@ -214,11 +214,11 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
         executeCounter.incrementAndGet();
         final int rs = request.readHeader(buffer);
         if (rs < 0) {
-            response.context.offerBuffer(buffer);
+            request.offerReadBuffer(buffer);
             if (rs != Integer.MIN_VALUE) illRequestCounter.incrementAndGet();
             response.finish(true);
         } else if (rs == 0) {
-            response.context.offerBuffer(buffer);
+            request.offerReadBuffer(buffer);
             request.prepare();
             response.filter = this.headFilter;
             response.servlet = this;
@@ -236,7 +236,7 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
                         buffer.clear();
                         request.channel.read(buffer, buffer, this);
                     } else {
-                        response.context.offerBuffer(buffer);
+                        request.offerReadBuffer(buffer);
                         request.prepare();
                         try {
                             response.filter = PrepareServlet.this.headFilter;
@@ -253,7 +253,7 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
                 @Override
                 public void failed(Throwable exc, ByteBuffer attachment) {
                     illRequestCounter.incrementAndGet();
-                    response.context.offerBuffer(buffer);
+                    request.offerReadBuffer(buffer);
                     response.finish(true);
                     if (exc != null) request.context.logger.log(Level.FINER, "Servlet read channel erroneous, forece to close channel ", exc);
                 }

src/org/redkale/net/ProtocolServer.java

@@ -32,6 +32,9 @@ public abstract class ProtocolServer {
     //在线数
     protected final AtomicLong livingCounter = new AtomicLong();
 
+    //最大连接数，小于1表示无限制
+    protected int maxconns;
+
     public abstract void open() throws IOException;
 
     public abstract void bind(SocketAddress local, int backlog) throws IOException;
@@ -42,6 +45,10 @@ public abstract class ProtocolServer {
 
     public abstract void accept();
 
+    public void setMaxconns(int maxconns) {
+        this.maxconns = maxconns;
+    }
+
     public abstract void close() throws IOException;
 
     public abstract AsynchronousChannelGroup getChannelGroup();
@@ -198,12 +205,19 @@ public abstract class ProtocolServer {
                 @Override
                 public void completed(final AsynchronousSocketChannel channel, Void attachment) {
                     serchannel.accept(null, this);
+                    if (maxconns > 0 && livingCounter.get() >= maxconns) {
+                        try {
+                            channel.close();
+                        } catch (Exception e) {
+                        }
+                        return;
+                    }
                     createCounter.incrementAndGet();
                     livingCounter.incrementAndGet();
-                    AsyncConnection conn = AsyncConnection.create(channel, null, context.readTimeoutSecond, context.writeTimeoutSecond);
+                    AsyncConnection conn = AsyncConnection.create(channel, null, context);
                     conn.livingCounter = livingCounter;
                     conn.closedCounter = closedCounter;
-                    context.submitAsync(new PrepareRunner(context, conn, null));
+                    context.runAsync(new PrepareRunner(context, conn, null));
                 }
 
                 @Override

src/org/redkale/net/Request.java

@@ -33,6 +33,8 @@ public abstract class Request<C extends Context> {
 
     protected AsyncConnection channel;
 
+    protected ByteBuffer readBuffer;
+
     /**
      * properties 与 attributes 的区别在于：调用recycle时， attributes会被清空而properties会保留;
      * properties 通常存放需要永久绑定在request里的一些对象
@@ -43,10 +45,28 @@ public abstract class Request<C extends Context> {
 
     protected Request(C context) {
         this.context = context;
+        this.readBuffer = context.pollBuffer();
         this.bsonConvert = context.getBsonConvert();
         this.jsonConvert = context.getJsonConvert();
     }
 
+    protected ByteBuffer pollReadBuffer() {
+        ByteBuffer buffer = this.readBuffer;
+        this.readBuffer = null;
+        if (buffer == null) buffer = context.pollBuffer();
+        return buffer;
+    }
+
+    protected void offerReadBuffer(ByteBuffer buffer) {
+        if (buffer == null) return;
+        if (this.readBuffer == null) {
+            buffer.clear();
+            this.readBuffer = buffer;
+        } else {
+            context.offerBuffer(buffer);
+        }
+    }
+
     /**
      * 返回值：Integer.MIN_VALUE: 帧数据； -1：数据不合法； 0：解析完毕； &gt;0: 需再读取的字节数。
      *

src/org/redkale/net/Response.java

@@ -8,7 +8,7 @@ package org.redkale.net;
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.nio.channels.CompletionHandler;
-import java.util.function.BiConsumer;
+import java.util.function.*;
 import java.util.logging.Level;
 
 /**
@@ -30,6 +30,10 @@ public abstract class Response<C extends Context, R extends Request<C>> {
 
     protected AsyncConnection channel;
 
+    protected ByteBuffer writeHeadBuffer;
+
+    protected ByteBuffer writeBodyBuffer;
+
     private boolean inited = true;
 
     protected Object output; //输出的结果对象
@@ -40,6 +44,8 @@ public abstract class Response<C extends Context, R extends Request<C>> {
 
     protected Servlet<C, R, ? extends Response<C, R>> servlet;
 
+    private Supplier<ByteBuffer> bodyBufferSupplier;
+
     private final CompletionHandler finishHandler = new CompletionHandler<Integer, ByteBuffer>() {
 
         @Override
@@ -47,17 +53,31 @@ public abstract class Response<C extends Context, R extends Request<C>> {
             if (attachment.hasRemaining()) {
                 channel.write(attachment, attachment, this);
             } else {
-                context.offerBuffer(attachment);
+                offerResponseBuffer(attachment);
                 finish();
             }
         }
 
         @Override
         public void failed(Throwable exc, ByteBuffer attachment) {
-            context.offerBuffer(attachment);
+            offerResponseBuffer(attachment);
             finish(true);
         }
 
+        private void offerResponseBuffer(ByteBuffer attachment) {
+            if (writeHeadBuffer == null) {
+                if (context.bufferPool.getRecyclerPredicate().test(attachment)) {
+                    writeHeadBuffer = attachment;
+                }
+            } else if (writeBodyBuffer == null) {
+                if (context.bufferPool.getRecyclerPredicate().test(attachment)) {
+                    writeBodyBuffer = attachment;
+                }
+            } else {
+                context.offerBuffer(attachment);
+            }
+        }
+
     };
 
     private final CompletionHandler finishHandler2 = new CompletionHandler<Integer, ByteBuffer[]>() {
@@ -74,26 +94,66 @@ public abstract class Response<C extends Context, R extends Request<C>> {
             if (index >= 0) {
                 channel.write(attachments, index, attachments.length - index, attachments, this);
             } else {
-                for (ByteBuffer attachment : attachments) {
-                    context.offerBuffer(attachment);
-                }
+                offerResponseBuffer(attachments);
                 finish();
             }
         }
 
         @Override
         public void failed(Throwable exc, final ByteBuffer[] attachments) {
-            for (ByteBuffer attachment : attachments) {
-                context.offerBuffer(attachment);
-            }
+            offerResponseBuffer(attachments);
             finish(true);
         }
 
+        private void offerResponseBuffer(ByteBuffer[] attachments) {
+            int start = 0;
+            if (writeHeadBuffer == null && attachments.length > start) {
+                if (context.bufferPool.getRecyclerPredicate().test(attachments[start])) {
+                    writeHeadBuffer = attachments[start];
+                    start++;
+                }
+            }
+            if (writeBodyBuffer == null && attachments.length > start) {
+                if (context.bufferPool.getRecyclerPredicate().test(attachments[start])) {
+                    writeBodyBuffer = attachments[start];
+                    start++;
+                }
+            }
+            for (int i = start; i < attachments.length; i++) {
+                context.offerBuffer(attachments[i]);
+            }
+        }
     };
 
     protected Response(C context, final R request) {
         this.context = context;
         this.request = request;
+        this.writeHeadBuffer = context.pollBuffer();
+        this.writeBodyBuffer = context.pollBuffer();
+        this.bodyBufferSupplier = () -> {
+            ByteBuffer buffer = writeBodyBuffer;
+            if (buffer == null) return context.pollBuffer();
+            writeBodyBuffer = null;
+            return buffer;
+        };
+    }
+
+    protected ByteBuffer pollWriteReadBuffer() {
+        ByteBuffer buffer = this.writeHeadBuffer;
+        this.writeHeadBuffer = null;
+        if (buffer == null) buffer = context.pollBuffer();
+        return buffer;
+    }
+
+    protected ByteBuffer pollWriteBodyBuffer() {
+        ByteBuffer buffer = this.writeBodyBuffer;
+        this.writeBodyBuffer = null;
+        if (buffer == null) buffer = context.pollBuffer();
+        return buffer;
+    }
+
+    protected Supplier<ByteBuffer> getBodyBufferSupplier() {
+        return bodyBufferSupplier;
     }
 
     protected AsyncConnection removeChannel() {
@@ -195,7 +255,7 @@ public abstract class Response<C extends Context, R extends Request<C>> {
         if (!this.inited) return; //避免重复关闭
         //System.println("耗时: " + (System.currentTimeMillis() - request.createtime));
         if (kill) refuseAlive();
-        this.context.responsePool.offer(this);
+        this.context.responsePool.accept(this);
     }
 
     public void finish(final byte[] bs) {

src/org/redkale/net/Server.java

@@ -13,6 +13,7 @@ import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Logger;
+import javax.net.ssl.SSLContext;
 import org.redkale.util.*;
 
 /**
@@ -31,6 +32,8 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
 
     public static final String RESNAME_SERVER_ROOT = "SERVER_ROOT";
 
+    public static final String RESNAME_SERVER_EXECUTOR = "SERVER_EXECUTOR";
+
     protected final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
 
     //-------------------------------------------------------------
@@ -43,9 +46,15 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     //应用层协议名
     protected final String protocol;
 
+    //依赖注入工厂类
+    protected final ResourceFactory resourceFactory;
+
     //服务的根Servlet
     protected final PrepareServlet<K, C, R, P, S> prepare;
 
+    //SSL
+    protected SSLContext sslContext;
+
     //服务的上下文对象
     protected C context;
 
@@ -88,9 +97,13 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     //IO写入 的超时秒数，小于1视为不设置
     protected int writeTimeoutSecond;
 
-    protected Server(long serverStartTime, String protocol, PrepareServlet<K, C, R, P, S> servlet) {
+    //最大连接数
+    protected int maxconns;
+
+    protected Server(long serverStartTime, String protocol, ResourceFactory resourceFactory, PrepareServlet<K, C, R, P, S> servlet) {
         this.serverStartTime = serverStartTime;
         this.protocol = protocol;
+        this.resourceFactory = resourceFactory;
         this.prepare = servlet;
     }
 
@@ -99,15 +112,16 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         this.config = config;
         this.address = new InetSocketAddress(config.getValue("host", "0.0.0.0"), config.getIntValue("port", 80));
         this.charset = Charset.forName(config.getValue("charset", "UTF-8"));
+        this.maxconns = config.getIntValue("maxconns", 0);
         this.readTimeoutSecond = config.getIntValue("readTimeoutSecond", 0);
         this.writeTimeoutSecond = config.getIntValue("writeTimeoutSecond", 0);
-        this.backlog = parseLenth(config.getValue("backlog"), 8 * 1024);
+        this.backlog = parseLenth(config.getValue("backlog"), 16 * 1024);
         this.maxbody = parseLenth(config.getValue("maxbody"), 64 * 1024);
-        int bufCapacity = parseLenth(config.getValue("bufferCapacity"), 8 * 1024);
-        this.bufferCapacity = bufCapacity < 256 ? 256 : bufCapacity;
-        this.threads = config.getIntValue("threads", Runtime.getRuntime().availableProcessors() * 16);
-        this.bufferPoolSize = config.getIntValue("bufferPoolSize", Runtime.getRuntime().availableProcessors() * 512);
-        this.responsePoolSize = config.getIntValue("responsePoolSize", Runtime.getRuntime().availableProcessors() * 256);
+        int bufCapacity = parseLenth(config.getValue("bufferCapacity"), 32 * 1024);
+        this.bufferCapacity = bufCapacity < 8 * 1024 ? 8 * 1024 : bufCapacity;
+        this.threads = config.getIntValue("threads", Runtime.getRuntime().availableProcessors() * 8);
+        this.bufferPoolSize = config.getIntValue("bufferPoolSize", this.threads * 4);
+        this.responsePoolSize = config.getIntValue("responsePoolSize", this.threads * 2);
         this.name = config.getValue("name", "Server-" + protocol + "-" + this.address.getPort());
         if (!this.name.matches("^[a-zA-Z][\\w_-]{1,64}$")) throw new RuntimeException("server.name (" + this.name + ") is illegal");
         final AtomicInteger counter = new AtomicInteger();
@@ -142,6 +156,14 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         this.prepare.destroy(context, config);
     }
 
+    public ResourceFactory getResourceFactory() {
+        return resourceFactory;
+    }
+
+    public ThreadPoolExecutor getExecutor() {
+        return executor;
+    }
+
     public InetSocketAddress getSocketAddress() {
         return address;
     }
@@ -187,10 +209,11 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
             this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
         }
         serverChannel.bind(address, backlog);
+        serverChannel.setMaxconns(this.maxconns);
         serverChannel.accept();
         final String threadName = "[" + Thread.currentThread().getName() + "] ";
         logger.info(threadName + this.getClass().getSimpleName() + ("TCP".equalsIgnoreCase(protocol) ? "" : ("." + protocol)) + " listen: " + address
-            + ", threads: " + threads + ", bufferCapacity: " + bufferCapacity + ", bufferPoolSize: " + bufferPoolSize + ", responsePoolSize: " + responsePoolSize
+            + ", threads: " + threads + ", bufferCapacity: " + bufferCapacity / 1024 + "K, bufferPoolSize: " + bufferPoolSize + ", responsePoolSize: " + responsePoolSize
             + ", started in " + (System.currentTimeMillis() - context.getServerStartTime()) + " ms");
     }
 

src/org/redkale/net/Transport.java

@@ -5,12 +5,15 @@
  */
 package org.redkale.net;
 
+import java.lang.ref.WeakReference;
 import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.function.Supplier;
+import java.util.logging.Level;
+import javax.net.ssl.SSLContext;
 import org.redkale.convert.*;
 import org.redkale.convert.json.JsonConvert;
 import org.redkale.util.*;
@@ -42,6 +45,8 @@ public final class Transport {
         supportTcpNoDelay = tcpNoDelay;
     }
 
+    protected final TransportFactory factory;
+
     protected final String name; //即<group>的name属性
 
     protected final String subprotocol; //即<group>的subprotocol属性
@@ -58,25 +63,31 @@ public final class Transport {
 
     protected final ObjectPool<ByteBuffer> bufferPool;
 
+    protected final SSLContext sslContext;
+
     //负载均衡策略
     protected final TransportStrategy strategy;
 
     protected final ConcurrentHashMap<SocketAddress, BlockingQueue<AsyncConnection>> connPool = new ConcurrentHashMap<>();
 
-    public Transport(String name, String subprotocol, final ObjectPool<ByteBuffer> transportBufferPool,
-        final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress,
+    protected Transport(String name, String subprotocol, TransportFactory factory, final ObjectPool<ByteBuffer> transportBufferPool,
+        final AsynchronousChannelGroup transportChannelGroup, final SSLContext sslContext, final InetSocketAddress clientAddress,
         final Collection<InetSocketAddress> addresses, final TransportStrategy strategy) {
-        this(name, DEFAULT_PROTOCOL, subprotocol, transportBufferPool, transportChannelGroup, clientAddress, addresses, strategy);
+        this(name, DEFAULT_PROTOCOL, subprotocol, factory, transportBufferPool, transportChannelGroup, sslContext, clientAddress, addresses, strategy);
     }
 
-    public Transport(String name, String protocol, String subprotocol, final ObjectPool<ByteBuffer> transportBufferPool,
-        final AsynchronousChannelGroup transportChannelGroup, final InetSocketAddress clientAddress,
+    protected Transport(String name, String protocol, String subprotocol,
+        final TransportFactory factory, final ObjectPool<ByteBuffer> transportBufferPool,
+        final AsynchronousChannelGroup transportChannelGroup, final SSLContext sslContext, final InetSocketAddress clientAddress,
         final Collection<InetSocketAddress> addresses, final TransportStrategy strategy) {
         this.name = name;
         this.subprotocol = subprotocol == null ? "" : subprotocol.trim();
         this.protocol = protocol;
+        this.factory = factory;
+        factory.transportReferences.add(new WeakReference<>(this));
         this.tcp = "TCP".equalsIgnoreCase(protocol);
         this.group = transportChannelGroup;
+        this.sslContext = sslContext;
         this.bufferPool = transportBufferPool;
         this.clientAddress = clientAddress;
         this.strategy = strategy;
@@ -171,7 +182,7 @@ public final class Transport {
     }
 
     public void offerBuffer(ByteBuffer buffer) {
-        bufferPool.offer(buffer);
+        bufferPool.accept(buffer);
     }
 
     public void offerBuffer(ByteBuffer... buffers) {
@@ -182,7 +193,7 @@ public final class Transport {
         return tcp;
     }
 
-    public AsyncConnection pollConnection(SocketAddress addr) {
+    public CompletableFuture<AsyncConnection> pollConnection(SocketAddress addr) {
         if (this.strategy != null) return strategy.pollConnection(addr, this);
         if (addr == null && this.transportAddres.length == 1) addr = this.transportAddres[0].address;
         final boolean rand = addr == null;
@@ -201,7 +212,7 @@ public final class Transport {
                         if (!queue.isEmpty()) {
                             AsyncConnection conn;
                             while ((conn = queue.poll()) != null) {
-                                if (conn.isOpen()) return conn;
+                                if (conn.isOpen()) return CompletableFuture.completedFuture(conn);
                             }
                         }
                         tryed = true;
@@ -237,21 +248,16 @@ public final class Transport {
                         }
                     }
                 } else {
-                    channel = AsynchronousSocketChannel.open(group);
-                    if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
-                    channel.connect(addr).get(2, TimeUnit.SECONDS);
+                    return AsyncConnection.createTCP(group, sslContext, addr, supportTcpNoDelay, 6, 6);
                 }
-                if (channel == null) return null;
-                return AsyncConnection.create(channel, addr, 3000, 3000);
+                if (channel == null) return CompletableFuture.completedFuture(null);
+                return CompletableFuture.completedFuture(AsyncConnection.create(channel, addr, 6, 6));
             } else { // UDP
                 if (rand) addr = this.transportAddres[0].address;
                 DatagramChannel channel = DatagramChannel.open();
                 channel.configureBlocking(true);
                 channel.connect(addr);
-                return AsyncConnection.create(channel, addr, true, 3000, 3000);
-//                AsyncDatagramChannel channel = AsyncDatagramChannel.open(group);
-//                channel.connect(addr);
-//                return AsyncConnection.create(channel, addr, true, 3000, 3000);
+                return CompletableFuture.completedFuture(AsyncConnection.create(channel, addr, true, 6, 6));
             }
         } catch (Exception ex) {
             throw new RuntimeException("transport address = " + addr, ex);
@@ -274,35 +280,40 @@ public final class Transport {
     }
 
     public <A> void async(SocketAddress addr, final ByteBuffer buffer, A att, final CompletionHandler<Integer, A> handler) {
-        final AsyncConnection conn = pollConnection(addr);
-        conn.write(buffer, buffer, new CompletionHandler<Integer, ByteBuffer>() {
-
-            @Override
-            public void completed(Integer result, ByteBuffer attachment) {
-                buffer.clear();
-                conn.read(buffer, buffer, new CompletionHandler<Integer, ByteBuffer>() {
-
-                    @Override
-                    public void completed(Integer result, ByteBuffer attachment) {
-                        if (handler != null) handler.completed(result, att);
-                        offerBuffer(buffer);
-                        offerConnection(false, conn);
-                    }
-
-                    @Override
-                    public void failed(Throwable exc, ByteBuffer attachment) {
-                        offerBuffer(buffer);
-                        offerConnection(true, conn);
-                    }
-                });
-
+        pollConnection(addr).whenComplete((conn, ex) -> {
+            if (ex != null) {
+                factory.getLogger().log(Level.WARNING, Transport.class.getSimpleName() + " async error", ex);
+                return;
             }
+            conn.write(buffer, buffer, new CompletionHandler<Integer, ByteBuffer>() {
 
-            @Override
-            public void failed(Throwable exc, ByteBuffer attachment) {
-                offerBuffer(buffer);
-                offerConnection(true, conn);
-            }
+                @Override
+                public void completed(Integer result, ByteBuffer attachment) {
+                    buffer.clear();
+                    conn.read(buffer, buffer, new CompletionHandler<Integer, ByteBuffer>() {
+
+                        @Override
+                        public void completed(Integer result, ByteBuffer attachment) {
+                            if (handler != null) handler.completed(result, att);
+                            offerBuffer(buffer);
+                            offerConnection(false, conn);
+                        }
+
+                        @Override
+                        public void failed(Throwable exc, ByteBuffer attachment) {
+                            offerBuffer(buffer);
+                            offerConnection(true, conn);
+                        }
+                    });
+
+                }
+
+                @Override
+                public void failed(Throwable exc, ByteBuffer attachment) {
+                    offerBuffer(buffer);
+                    offerConnection(true, conn);
+                }
+            });
         });
     }
 
@@ -319,7 +330,7 @@ public final class Transport {
             this.enable = true;
         }
 
-        @java.beans.ConstructorProperties({"address", "enable"})
+        @ConstructorParameters({"address", "enable"})
         public TransportAddress(InetSocketAddress address, boolean enable) {
             this.address = address;
             this.enable = enable;

src/org/redkale/net/TransportFactory.java

@@ -5,18 +5,24 @@
  */
 package org.redkale.net;
 
+import java.io.IOException;
 import java.lang.ref.WeakReference;
 import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
-import java.nio.channels.AsynchronousChannelGroup;
+import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
+import java.util.concurrent.atomic.*;
+import java.util.function.Supplier;
 import java.util.logging.*;
 import java.util.stream.Collectors;
+import javax.net.ssl.SSLContext;
 import org.redkale.service.Service;
-import org.redkale.util.ObjectPool;
+import org.redkale.util.*;
 
 /**
+ * System.getProperty("net.transport.pinginterval", "30") 心跳周期，默认30秒
+ *
  * <p>
  * 详情见: https://redkale.org
  *
@@ -24,6 +30,14 @@ import org.redkale.util.ObjectPool;
  */
 public class TransportFactory {
 
+    @Comment("默认TCP读取超时秒数")
+    public static int DEFAULT_READTIMEOUTSECOND = 6;
+
+    @Comment("默认TCP写入超时秒数")
+    public static int DEFAULT_WRITETIMEOUTSECOND = 6;
+
+    public static final String NAME_PINGINTERVAL = "pinginterval";
+
     protected static final Logger logger = Logger.getLogger(TransportFactory.class.getSimpleName());
 
     //传输端的线程池
@@ -43,19 +57,137 @@ public class TransportFactory {
 
     protected final List<WeakReference<Service>> services = new CopyOnWriteArrayList<>();
 
+    protected final List<WeakReference<Transport>> transportReferences = new CopyOnWriteArrayList<>();
+
+    //心跳周期， 单位：秒
+    protected int pinginterval;
+
+    //TCP读取超时秒数
+    protected int readTimeoutSecond;
+
+    //TCP写入超时秒数
+    protected int writeTimeoutSecond;
+
+    //ping的定时器
+    private ScheduledThreadPoolExecutor pingScheduler;
+
+    protected SSLContext sslContext;
+
+    //ping的内容
+    private ByteBuffer pingBuffer;
+
+    //pong的数据长度, 小于0表示不进行判断
+    protected int pongLength;
+
     //负载均衡策略
     protected final TransportStrategy strategy;
 
-    public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
-        final TransportStrategy strategy) {
+    protected TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond, final TransportStrategy strategy) {
         this.executor = executor;
         this.bufferPool = bufferPool;
         this.channelGroup = channelGroup;
+        this.sslContext = sslContext;
+        this.readTimeoutSecond = readTimeoutSecond;
+        this.writeTimeoutSecond = writeTimeoutSecond;
         this.strategy = strategy;
     }
 
-    public TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
-        this(executor, bufferPool, channelGroup, null);
+    protected TransportFactory(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond) {
+        this(executor, bufferPool, channelGroup, sslContext, readTimeoutSecond, writeTimeoutSecond, null);
+    }
+
+    public void init(AnyValue conf, ByteBuffer pingBuffer, int pongLength) {
+        if (conf != null) {
+            this.pinginterval = conf.getIntValue(NAME_PINGINTERVAL, 0);
+        }
+        if (this.pinginterval > 0) {
+            if (this.pingScheduler == null && pingBuffer != null) {
+                this.pingBuffer = pingBuffer.asReadOnlyBuffer();
+                this.pongLength = pongLength;
+                this.pingScheduler = new ScheduledThreadPoolExecutor(1, (Runnable r) -> {
+                    final Thread t = new Thread(r, this.getClass().getSimpleName() + "-TransportFactoryPingTask-Thread");
+                    t.setDaemon(true);
+                    return t;
+                });
+                pingScheduler.scheduleAtFixedRate(() -> {
+                    pings();
+                }, pinginterval, pinginterval, TimeUnit.SECONDS);
+            }
+        }
+    }
+
+    public static TransportFactory create(int threads) {
+        return create(threads, threads * 2, 8 * 1024, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND);
+    }
+
+    public static TransportFactory create(int threads, int bufferPoolSize, int bufferCapacity) {
+        return create(threads, bufferPoolSize, bufferCapacity, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND);
+    }
+
+    public static TransportFactory create(int threads, int bufferPoolSize, int bufferCapacity, int readTimeoutSecond, int writeTimeoutSecond) {
+        final ObjectPool<ByteBuffer> transportPool = new ObjectPool<>(new AtomicLong(), new AtomicLong(), bufferPoolSize,
+            (Object... params) -> ByteBuffer.allocateDirect(bufferCapacity), null, (e) -> {
+                if (e == null || e.isReadOnly() || e.capacity() != bufferCapacity) return false;
+                e.clear();
+                return true;
+            });
+        final AtomicInteger counter = new AtomicInteger();
+        ExecutorService transportExec = Executors.newFixedThreadPool(threads, (Runnable r) -> {
+            Thread t = new Thread(r);
+            t.setDaemon(true);
+            t.setName("Transport-Thread-" + counter.incrementAndGet());
+            return t;
+        });
+        AsynchronousChannelGroup transportGroup = null;
+        try {
+            transportGroup = AsynchronousChannelGroup.withCachedThreadPool(transportExec, 1);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        return create(transportExec, transportPool, transportGroup, readTimeoutSecond, writeTimeoutSecond);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        int readTimeoutSecond, int writeTimeoutSecond) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSecond, writeTimeoutSecond, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        int readTimeoutSecond, int writeTimeoutSecond, final TransportStrategy strategy) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSecond, writeTimeoutSecond, strategy);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup, SSLContext sslContext) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, DEFAULT_READTIMEOUTSECOND, DEFAULT_WRITETIMEOUTSECOND, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSecond, writeTimeoutSecond, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        SSLContext sslContext, int readTimeoutSecond, int writeTimeoutSecond, final TransportStrategy strategy) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSecond, writeTimeoutSecond, strategy);
+    }
+
+    public Transport createTransportTCP(String name, final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {
+        return new Transport(name, "TCP", "", this, this.bufferPool, this.channelGroup, this.sslContext, clientAddress, addresses, strategy);
+    }
+
+    public Transport createTransport(String name, String protocol, final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {
+        return new Transport(name, protocol, "", this, this.bufferPool, this.channelGroup, this.sslContext, clientAddress, addresses, strategy);
+    }
+
+    public Transport createTransport(String name, String protocol, String subprotocol,
+        final InetSocketAddress clientAddress, final Collection<InetSocketAddress> addresses) {
+        return new Transport(name, protocol, subprotocol, this, this.bufferPool, this.channelGroup, this.sslContext, clientAddress, addresses, strategy);
     }
 
     public String findGroupName(InetSocketAddress addr) {
@@ -134,26 +266,34 @@ public class TransportFactory {
             if (info == null) continue;
             addresses.addAll(info.addresses);
         }
-        if (info == null) return null;
+        if (info == null) info = new TransportGroupInfo("TCP");
         if (sncpAddress != null) addresses.remove(sncpAddress);
-        return new Transport(groups.stream().sorted().collect(Collectors.joining(";")), info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, addresses, this.strategy);
+        return new Transport(groups.stream().sorted().collect(Collectors.joining(";")), info.protocol, info.subprotocol, this, this.bufferPool, this.channelGroup, this.sslContext, sncpAddress, addresses, this.strategy);
     }
 
     private Transport loadTransport(final String groupName, InetSocketAddress sncpAddress) {
         if (groupName == null) return null;
         TransportGroupInfo info = groupInfos.get(groupName);
         if (info == null) return null;
-        return new Transport(groupName, info.protocol, info.subprotocol, this.bufferPool, this.channelGroup, sncpAddress, info.addresses, this.strategy);
+        return new Transport(groupName, info.protocol, info.subprotocol, this, this.bufferPool, this.channelGroup, this.sslContext, sncpAddress, info.addresses, this.strategy);
     }
 
     public ExecutorService getExecutor() {
         return executor;
     }
 
+    public Supplier<ByteBuffer> getBufferSupplier() {
+        return bufferPool;
+    }
+
     public List<TransportGroupInfo> getGroupInfos() {
         return new ArrayList<>(this.groupInfos.values());
     }
 
+    public Logger getLogger() {
+        return logger;
+    }
+
     public void addSncpService(Service service) {
         if (service == null) return;
         services.add(new WeakReference<>(service));
@@ -169,6 +309,7 @@ public class TransportFactory {
     }
 
     public void shutdownNow() {
+        if (this.pingScheduler != null) this.pingScheduler.shutdownNow();
         try {
             this.channelGroup.shutdownNow();
         } catch (Exception e) {
@@ -176,6 +317,73 @@ public class TransportFactory {
         }
     }
 
+    private void pings() {
+        long timex = System.currentTimeMillis() - (this.pinginterval < 15 ? this.pinginterval : (this.pinginterval - 3)) * 1000;
+        List<WeakReference> nulllist = new ArrayList<>();
+        for (WeakReference<Transport> ref : transportReferences) {
+            Transport transport = ref.get();
+            if (transport == null) {
+                nulllist.add(ref);
+                continue;
+            }
+            List<BlockingQueue<AsyncConnection>> list = new ArrayList<>(transport.getAsyncConnectionPool().values());
+            for (final BlockingQueue<AsyncConnection> queue : list) {
+                AsyncConnection conn;
+                while ((conn = queue.poll()) != null) {
+                    if (conn.getLastWriteTime() > timex && false) { //最近几秒内已经进行过IO操作
+                        queue.offer(conn);
+                    } else { //超过一定时间的连接需要进行ping处理
+                        ByteBuffer sendBuffer = pingBuffer.duplicate();
+                        final AsyncConnection localconn = conn;
+                        final BlockingQueue<AsyncConnection> localqueue = queue;
+                        localconn.write(sendBuffer, sendBuffer, new CompletionHandler<Integer, ByteBuffer>() {
+                            @Override
+                            public void completed(Integer result, ByteBuffer buffer) {
+                                if (buffer.hasRemaining()) {
+                                    localconn.write(buffer, buffer, this);
+                                    return;
+                                }
+                                ByteBuffer pongBuffer = bufferPool.get();
+                                localconn.read(pongBuffer, pongBuffer, new CompletionHandler<Integer, ByteBuffer>() {
+                                    int counter = 0;
+
+                                    @Override
+                                    public void completed(Integer result, ByteBuffer attachment) {
+                                        if (counter > 3) {
+                                            bufferPool.accept(attachment);
+                                            localconn.dispose();
+                                            return;
+                                        }
+                                        if (pongLength > 0 && attachment.position() < pongLength) {
+                                            counter++;
+                                            localconn.read(pongBuffer, pongBuffer, this);
+                                            return;
+                                        }
+                                        bufferPool.accept(attachment);
+                                        localqueue.offer(localconn);
+                                    }
+
+                                    @Override
+                                    public void failed(Throwable exc, ByteBuffer attachment) {
+                                        localconn.dispose();
+                                    }
+                                });
+                            }
+
+                            @Override
+                            public void failed(Throwable exc, ByteBuffer buffer) {
+                                localconn.dispose();
+                            }
+                        });
+                    }
+                }
+            }
+        }
+        for (WeakReference ref : nulllist) {
+            transportReferences.remove(ref);
+        }
+    }
+
     private static boolean checkName(String name) {  //不能含特殊字符
         if (name.isEmpty()) return false;
         if (name.charAt(0) >= '0' && name.charAt(0) <= '9') return false;

src/org/redkale/net/TransportStrategy.java

@@ -6,6 +6,7 @@
 package org.redkale.net;
 
 import java.net.SocketAddress;
+import java.util.concurrent.CompletableFuture;
 
 /**
  * 远程请求的负载均衡策略
@@ -17,5 +18,5 @@ import java.net.SocketAddress;
  */
 public interface TransportStrategy {
 
-    public AsyncConnection pollConnection(SocketAddress addr, Transport transport);
+    public CompletableFuture<AsyncConnection> pollConnection(SocketAddress addr, Transport transport);
 }

src/org/redkale/net/http/HttpContext.java

@@ -5,14 +5,17 @@
  */
 package org.redkale.net.http;
 
+import org.redkale.asm.MethodDebugVisitor;
 import java.net.*;
 import java.nio.*;
+import java.nio.channels.CompletionHandler;
 import java.nio.charset.*;
 import java.security.*;
 import java.util.concurrent.*;
 import java.util.logging.*;
-import jdk.internal.org.objectweb.asm.*;
-import static jdk.internal.org.objectweb.asm.Opcodes.*;
+import javax.net.ssl.SSLContext;
+import org.redkale.asm.*;
+import static org.redkale.asm.Opcodes.*;
 import org.redkale.net.*;
 import org.redkale.util.*;
 
@@ -30,11 +33,12 @@ public class HttpContext extends Context {
 
     protected final ConcurrentHashMap<Class, Creator> asyncHandlerCreators = new ConcurrentHashMap<>();
 
-    public HttpContext(long serverStartTime, Logger logger, ThreadPoolExecutor executor, int bufferCapacity, ObjectPool<ByteBuffer> bufferPool,
-        ObjectPool<Response> responsePool, int maxbody, Charset charset, InetSocketAddress address, PrepareServlet prepare,
-        int readTimeoutSecond, int writeTimeoutSecond) {
-        super(serverStartTime, logger, executor, bufferCapacity, bufferPool, responsePool, maxbody, charset,
-            address, prepare, readTimeoutSecond, writeTimeoutSecond);
+    public HttpContext(long serverStartTime, Logger logger, ThreadPoolExecutor executor, SSLContext sslContext,
+        final int bufferCapacity, final ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool,
+        int maxbody, Charset charset, InetSocketAddress address, ResourceFactory resourceFactory,
+        PrepareServlet prepare, int readTimeoutSecond, int writeTimeoutSecond) {
+        super(serverStartTime, logger, executor, sslContext, bufferCapacity, bufferPool, responsePool,
+            maxbody, charset, address, resourceFactory, prepare, readTimeoutSecond, writeTimeoutSecond);
 
         random.setSeed(Math.abs(System.nanoTime()));
     }
@@ -54,7 +58,7 @@ public class HttpContext extends Context {
     }
 
     @SuppressWarnings("unchecked")
-    protected <H extends AsyncHandler> Creator<H> loadAsyncHandlerCreator(Class<H> handlerClass) {
+    protected <H extends CompletionHandler> Creator<H> loadAsyncHandlerCreator(Class<H> handlerClass) {
         Creator<H> creator = asyncHandlerCreators.get(handlerClass);
         if (creator == null) {
             creator = createAsyncHandlerCreator(handlerClass);
@@ -64,18 +68,18 @@ public class HttpContext extends Context {
     }
 
     @SuppressWarnings("unchecked")
-    private <H extends AsyncHandler> Creator<H> createAsyncHandlerCreator(Class<H> handlerClass) {
+    private <H extends CompletionHandler> Creator<H> createAsyncHandlerCreator(Class<H> handlerClass) {
         //生成规则与SncpAsyncHandler.Factory 很类似
         //------------------------------------------------------------- 
         final boolean handlerinterface = handlerClass.isInterface();
         final String handlerClassName = handlerClass.getName().replace('.', '/');
-        final String handlerName = AsyncHandler.class.getName().replace('.', '/');
-        final String handlerDesc = Type.getDescriptor(AsyncHandler.class);
-        final String newDynName = handlerClass.getName().replace('.', '/') + "_Dync" + AsyncHandler.class.getSimpleName() + "_" + (System.currentTimeMillis() % 10000);
+        final String handlerName = CompletionHandler.class.getName().replace('.', '/');
+        final String handlerDesc = Type.getDescriptor(CompletionHandler.class);
+        final String newDynName = handlerClass.getName().replace('.', '/') + "_DyncAsyncHandler_" + (System.currentTimeMillis() % 10000);
 
         ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
         FieldVisitor fv;
-        AsmMethodVisitor mv;
+        MethodDebugVisitor mv;
         AnnotationVisitor av0;
         cw.visit(V1_8, ACC_PUBLIC + ACC_SUPER, newDynName, null, handlerinterface ? "java/lang/Object" : handlerClassName, handlerinterface ? new String[]{handlerClassName} : new String[]{handlerName});
 
@@ -84,10 +88,10 @@ public class HttpContext extends Context {
             fv.visitEnd();
         }
         {//构造方法
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "(" + handlerDesc + ")V", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "(" + handlerDesc + ")V", null, null));
             //mv.setDebug(true);
             {
-                av0 = mv.visitAnnotation("Ljava/beans/ConstructorProperties;", true);
+                av0 = mv.visitAnnotation("Lorg/redkale/util/ConstructorParameters;", true);
                 {
                     AnnotationVisitor av1 = av0.visitArray("value");
                     av1.visit(null, "handler");
@@ -107,7 +111,7 @@ public class HttpContext extends Context {
 
         for (java.lang.reflect.Method method : handlerClass.getMethods()) { //
             if ("completed".equals(method.getName()) && method.getParameterCount() == 2) {
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "completed", Type.getMethodDescriptor(method), null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "completed", Type.getMethodDescriptor(method), null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitFieldInsn(GETFIELD, newDynName, "handler", handlerDesc);
                 mv.visitVarInsn(ALOAD, 1);
@@ -117,7 +121,7 @@ public class HttpContext extends Context {
                 mv.visitMaxs(3, 3);
                 mv.visitEnd();
             } else if ("failed".equals(method.getName()) && method.getParameterCount() == 2) {
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "failed", Type.getMethodDescriptor(method), null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "failed", Type.getMethodDescriptor(method), null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitFieldInsn(GETFIELD, newDynName, "handler", handlerDesc);
                 mv.visitVarInsn(ALOAD, 1);
@@ -127,7 +131,7 @@ public class HttpContext extends Context {
                 mv.visitMaxs(3, 3);
                 mv.visitEnd();
             } else if (handlerinterface || java.lang.reflect.Modifier.isAbstract(method.getModifiers())) {
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, method.getName(), Type.getMethodDescriptor(method), null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, method.getName(), Type.getMethodDescriptor(method), null, null));
                 Class returnType = method.getReturnType();
                 if (returnType == void.class) {
                     mv.visitInsn(RETURN);
@@ -157,7 +161,7 @@ public class HttpContext extends Context {
         }
         cw.visitEnd();
         byte[] bytes = cw.toByteArray();
-        Class<AsyncHandler> newHandlerClazz = (Class<AsyncHandler>) new ClassLoader(handlerClass.getClassLoader()) {
+        Class<CompletionHandler> newHandlerClazz = (Class<CompletionHandler>) new ClassLoader(handlerClass.getClassLoader()) {
             public final Class<?> loadClass(String name, byte[] b) {
                 return defineClass(name, b, 0, b.length);
             }

src/org/redkale/net/http/HttpPrepareServlet.java

@@ -45,6 +45,8 @@ public class HttpPrepareServlet extends PrepareServlet<String, HttpContext, Http
 
     private BiPredicate<String, String>[] forbidURIPredicates; //禁用的URL的Predicate, 必须与 forbidURIMaps 保持一致
 
+    final List<HttpRender> renders = new ArrayList<>();
+
     private List<HttpServlet> removeHttpServlet(final Predicate<MappingEntry> predicateEntry, final Predicate<Map.Entry<String, WebSocketServlet>> predicateFilter) {
         List<HttpServlet> servlets = new ArrayList<>();
         synchronized (allMapStrings) {
@@ -203,31 +205,54 @@ public class HttpPrepareServlet extends PrepareServlet<String, HttpContext, Http
             s.preInit(context, getServletConf(s));
             s.init(context, getServletConf(s));
         });
-        AnyValue resConfig = config.getAnyValue("resource-servlet");
-        if ((resConfig instanceof DefaultAnyValue) && resConfig.getValue("webroot", "").isEmpty()) {
-            ((DefaultAnyValue) resConfig).addValue("webroot", config.getValue("root"));
-        }
-        if (resConfig == null) { //主要用于嵌入式的HttpServer初始化
-            DefaultAnyValue dresConfig = new DefaultAnyValue();
-            dresConfig.addValue("webroot", config.getValue("root"));
-            dresConfig.addValue("ranges", config.getValue("ranges"));
-            dresConfig.addValue("cache", config.getAnyValue("cache"));
-            AnyValue[] rewrites = config.getAnyValues("rewrite");
-            if (rewrites != null) {
-                for (AnyValue rewrite : rewrites) {
-                    dresConfig.addValue("rewrite", rewrite);
-                }
+        { //设置ResourceServlet
+            AnyValue resConfig = config.getAnyValue("resource-servlet");
+            if ((resConfig instanceof DefaultAnyValue) && resConfig.getValue("webroot", "").isEmpty()) {
+                ((DefaultAnyValue) resConfig).addValue("webroot", config.getValue("root"));
             }
-            resConfig = dresConfig;
+            if (resConfig == null) { //主要用于嵌入式的HttpServer初始化
+                DefaultAnyValue dresConfig = new DefaultAnyValue();
+                dresConfig.addValue("webroot", config.getValue("root"));
+                dresConfig.addValue("ranges", config.getValue("ranges"));
+                dresConfig.addValue("cache", config.getAnyValue("cache"));
+                AnyValue[] rewrites = config.getAnyValues("rewrite");
+                if (rewrites != null) {
+                    for (AnyValue rewrite : rewrites) {
+                        dresConfig.addValue("rewrite", rewrite);
+                    }
+                }
+                resConfig = dresConfig;
+            }
+            String resServlet = resConfig.getValue("servlet", HttpResourceServlet.class.getName());
+            try {
+                this.resourceHttpServlet = (HttpServlet) Thread.currentThread().getContextClassLoader().loadClass(resServlet).newInstance();
+            } catch (Throwable e) {
+                this.resourceHttpServlet = new HttpResourceServlet();
+                logger.log(Level.WARNING, "init HttpResourceSerlvet(" + resServlet + ") error", e);
+            }
+            context.getResourceFactory().inject(this.resourceHttpServlet);
+            this.resourceHttpServlet.init(context, resConfig);
         }
-        String resServlet = resConfig.getValue("servlet", HttpResourceServlet.class.getName());
-        try {
-            this.resourceHttpServlet = (HttpServlet) Thread.currentThread().getContextClassLoader().loadClass(resServlet).newInstance();
-        } catch (Throwable e) {
-            this.resourceHttpServlet = new HttpResourceServlet();
-            logger.log(Level.WARNING, "init HttpResourceSerlvet(" + resServlet + ") error", e);
+        { //设置TemplateEngine            
+            AnyValue[] renderConfigs = config.getAnyValues("render");
+            if (renderConfigs != null) {
+                for (AnyValue renderConfig : renderConfigs) {
+                    String renderType = renderConfig.getValue("value");
+                    try {
+                        HttpRender render = (HttpRender) Thread.currentThread().getContextClassLoader().loadClass(renderType).newInstance();
+                        for (HttpRender one : renders) {
+                            if (one.getType().equals(render.getType())) throw new RuntimeException("HttpRender(" + renderType + ") repeat");
+                        }
+                        context.getResourceFactory().inject(render);
+                        render.init(context, renderConfig);
+                        renders.add(render);
+                    } catch (Throwable e) {
+                        logger.log(Level.WARNING, "init HttpRender(" + renderType + ") error", e);
+                    }
+                }
+                Collections.sort(renders, (o1, o2) -> o1.getType().isAssignableFrom(o2.getType()) ? 1 : -1);
+            }
         }
-        this.resourceHttpServlet.init(context, resConfig);
     }
 
     @Override

src/org/redkale/net/http/HttpRender.java

@@ -0,0 +1,38 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net.http;
+
+import org.redkale.convert.Convert;
+import org.redkale.util.AnyValue;
+
+/**
+ * HTTP输出引擎的基类 <br>
+ * HttpRender主要是给HttpResponse.finish(Object obj)提供指定数据类型的输出策略。 <br>
+ * <pre>
+ * HttpResponse.finish(Object obj)内置对如下数据类型进行了特殊处理:
+ *      CharSequence/String
+ *      byte[]
+ *      ByteBuffer
+ *      ByteBuffer[]
+ *      File
+ *      HttpResult
+ * </pre>
+ * <p>
+ * 如果对其他数据类型有特殊输出的需求，则需要自定义HttpRender。
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ * @param <T> 泛型
+ */
+public interface HttpRender<T> {
+
+    public void init(HttpContext context, AnyValue config);
+
+    public <V extends T> void renderTo(HttpRequest request, HttpResponse response, Convert convert, V scope);
+
+    public Class<T> getType();
+}

src/org/redkale/net/http/HttpRequest.java

@@ -10,6 +10,7 @@ import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.Channels;
 import java.nio.charset.Charset;
+import java.util.*;
 import org.redkale.convert.json.JsonConvert;
 import org.redkale.net.*;
 import org.redkale.util.*;
@@ -518,8 +519,8 @@ public class HttpRequest extends Request<HttpContext> {
      * @return cookie值
      */
     public String getCookie(String name, String dfvalue) {
-        for (HttpCookie cookie : getCookies()) {
-            if (name.equals(cookie.getName())) return cookie.getValue();
+        for (HttpCookie c : getCookies()) {
+            if (name.equals(c.getName())) return c.getValue();
         }
         return dfvalue;
     }
@@ -897,6 +898,20 @@ public class HttpRequest extends Request<HttpContext> {
         return header;
     }
 
+    /**
+     * 将请求Header转换成Map
+     *
+     * @param map Map
+     *
+     * @return Map
+     */
+    public Map<String, String> getHeadersToMap(Map<String, String> map) {
+        if (map == null) map = new LinkedHashMap<>();
+        final Map<String, String> map0 = map;
+        header.forEach((k, v) -> map0.put(k, v));
+        return map0;
+    }
+
     /**
      * 获取所有的header名
      *
@@ -1105,6 +1120,52 @@ public class HttpRequest extends Request<HttpContext> {
         return params;
     }
 
+    /**
+     * 将请求参数转换成Map
+     *
+     * @param map Map
+     *
+     * @return Map
+     */
+    public Map<String, String> getParametersToMap(Map<String, String> map) {
+        if (map == null) map = new LinkedHashMap<>();
+        final Map<String, String> map0 = map;
+        getParameters().forEach((k, v) -> map0.put(k, v));
+        return map0;
+    }
+
+    /**
+     * 将请求参数转换成String, 字符串格式为: bean1={}&amp;id=13&amp;name=xxx <br>
+     * 不会返回null，没有参数返回空字符串
+     *
+     *
+     * @return String
+     */
+    public String getParametersToString() {
+        return getParametersToString(null);
+    }
+
+    /**
+     * 将请求参数转换成String, 字符串格式为: bean1={}&amp;id=13&amp;name=xxx <br>
+     * 不会返回null，没有参数返回空字符串
+     *
+     * @param prefix 拼接前缀， 如果无参数，返回的字符串不会含有拼接前缀
+     *
+     * @return String
+     */
+    public String getParametersToString(String prefix) {
+        final StringBuilder sb = new StringBuilder();
+        getParameters().forEach((k, v) -> {
+            if (sb.length() > 0) sb.append('&');
+            try {
+                sb.append(k).append('=').append(URLEncoder.encode(v, "UTF-8"));
+            } catch (IOException ex) {
+                throw new RuntimeException(ex);
+            }
+        });
+        return (sb.length() > 0 && prefix != null) ? (prefix + sb) : sb.toString();
+    }
+
     /**
      * 获取所有参数名
      *

src/org/redkale/net/http/HttpResourceServlet.java

@@ -83,8 +83,6 @@ public class HttpResourceServlet extends HttpServlet {
         }
     }
 
-    protected final boolean finest = logger.isLoggable(Level.FINEST);
-
     protected final LongAdder cachedLength = new LongAdder();
 
     //缓存总大小, 默认0
@@ -193,7 +191,7 @@ public class HttpResourceServlet extends HttpServlet {
     public void execute(HttpRequest request, HttpResponse response) throws IOException {
         String uri = request.getRequestURI();
         if (uri.contains("../")) {
-            if (finest) logger.log(Level.FINEST, "Not found resource (404) be " + uri + ", request = " + request);
+            if (logger.isLoggable(Level.FINEST)) logger.log(Level.FINEST, "Not found resource (404) be " + uri + ", request = " + request);
             response.finish404();
             return;
         }
@@ -220,7 +218,7 @@ public class HttpResourceServlet extends HttpServlet {
             entry = files.computeIfAbsent(uri, x -> createFileEntry(x));
         }
         if (entry == null) {
-            if (finest) logger.log(Level.FINEST, "Not found resource (404), request = " + request);
+            if (logger.isLoggable(Level.FINER)) logger.log(Level.FINER, "Not found resource (404), request = " + request);
             response.finish404();
         } else {
             //file = null 表示资源内容在内存而不是在File中

src/org/redkale/net/http/HttpResponse.java

@@ -15,7 +15,9 @@ import java.text.*;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.*;
 import java.util.logging.Level;
+import org.redkale.convert.*;
 import org.redkale.convert.json.JsonConvert;
 import org.redkale.net.*;
 import org.redkale.util.AnyValue.DefaultAnyValue;
@@ -33,22 +35,13 @@ import org.redkale.util.*;
  */
 public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
-    /**
-     * HttpResponse.finish 方法内调用
-     * 主要给@HttpCacheable使用
-     */
-    protected static interface BufferHandler {
-
-        public ByteBuffer[] execute(final HttpResponse response, final ByteBuffer[] buffers);
-    }
-
     private static final ByteBuffer buffer304 = ByteBuffer.wrap("HTTP/1.1 304 Not Modified\r\nContent-Length:0\r\n\r\n".getBytes()).asReadOnlyBuffer();
 
     private static final ByteBuffer buffer404 = ByteBuffer.wrap("HTTP/1.1 404 Not Found\r\nContent-Length:0\r\n\r\n".getBytes()).asReadOnlyBuffer();
 
     protected static final byte[] LINE = new byte[]{'\r', '\n'};
 
-    protected static final byte[] serverNameBytes = ("Server: redkale/" + Redkale.getDotedVersion() + "\r\n").getBytes();
+    protected static final byte[] serverNameBytes = ("Server: " + System.getProperty("http.response.header.server", "redkale" + "/" + Redkale.getDotedVersion()) + "\r\n").getBytes();
 
     private static final Set<OpenOption> options = new HashSet<>();
 
@@ -116,7 +109,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     private boolean headsended = false;
 
-    private BufferHandler bufferHandler;
+    private BiFunction<HttpResponse, ByteBuffer[], ByteBuffer[]> bufferHandler;
     //------------------------------------------------
 
     private final DefaultAnyValue header = new DefaultAnyValue();
@@ -129,17 +122,26 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
     private final HttpCookie defcookie;
 
+    private final List<HttpRender> renders;
+
+    private final boolean hasRender;
+
+    private final HttpRender onlyoneHttpRender;
+
     public static ObjectPool<Response> createPool(AtomicLong creatCounter, AtomicLong cycleCounter, int max, Creator<Response> creator) {
         return new ObjectPool<>(creatCounter, cycleCounter, max, creator, (x) -> ((HttpResponse) x).prepare(), (x) -> ((HttpResponse) x).recycle());
     }
 
     public HttpResponse(HttpContext context, HttpRequest request, String[][] defaultAddHeaders, String[][] defaultSetHeaders,
-        HttpCookie defcookie, boolean autoOptions) {
+        HttpCookie defcookie, boolean autoOptions, List< HttpRender> renders) {
         super(context, request);
         this.defaultAddHeaders = defaultAddHeaders;
         this.defaultSetHeaders = defaultSetHeaders;
         this.defcookie = defcookie;
         this.autoOptions = autoOptions;
+        this.renders = renders;
+        this.hasRender = renders != null && !renders.isEmpty();
+        this.onlyoneHttpRender = renders != null && renders.size() == 1 ? renders.get(0) : null;
     }
 
     @Override
@@ -147,6 +149,10 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         return super.removeChannel();
     }
 
+    protected AsyncConnection getChannel() {
+        return channel;
+    }
+
     @Override
     protected boolean recycle() {
         boolean rs = super.recycle();
@@ -220,41 +226,44 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     }
 
     /**
-     * 创建AsyncHandler实例
+     * 创建CompletionHandler实例
      *
-     * @return AsyncHandler
+     * @return CompletionHandler
      */
-    public AsyncHandler createAsyncHandler() {
-        return AsyncHandler.create((v, a) -> {
-            if (v instanceof org.redkale.service.RetResult) {
-                finishJson((org.redkale.service.RetResult) v);
-            } else if (v instanceof CharSequence) {
-                finish(String.valueOf(v));
-            } else {
-                finishJson(v);
-            }
+    public CompletionHandler createAsyncHandler() {
+        return Utility.createAsyncHandler((v, a) -> {
+            finish(v);
         }, (t, a) -> {
-            request.getContext().getLogger().log(Level.WARNING, "Servlet occur, forece to close channel. request = " + request, t);
+            context.getLogger().log(Level.WARNING, "Servlet occur, forece to close channel. request = " + request + ", result is CompletionHandler", (Throwable) t);
             finish(500, null);
         });
     }
 
     /**
-     * 创建AsyncHandler子类的实例 <br>
+     * 创建CompletionHandler子类的实例 <br>
      *
-     * 传入的AsyncHandler子类必须是public，且保证其子类可被继承且completed、failed可被重载且包含空参数的构造函数。
+     * 传入的CompletionHandler子类必须是public，且保证其子类可被继承且completed、failed可被重载且包含空参数的构造函数。
      *
      * @param <H>          泛型
-     * @param handlerClass AsyncHandler子类
+     * @param handlerClass CompletionHandler子类
      *
-     * @return AsyncHandler AsyncHandler
+     * @return CompletionHandler
      */
     @SuppressWarnings("unchecked")
-    public <H extends AsyncHandler> H createAsyncHandler(Class<H> handlerClass) {
-        if (handlerClass == null || handlerClass == AsyncHandler.class) return (H) createAsyncHandler();
+    public <H extends CompletionHandler> H createAsyncHandler(Class<H> handlerClass) {
+        if (handlerClass == null || handlerClass == CompletionHandler.class) return (H) createAsyncHandler();
         return context.loadAsyncHandlerCreator(handlerClass).create(createAsyncHandler());
     }
 
+    /**
+     * 获取ByteBuffer生成器
+     *
+     * @return ByteBuffer生成器
+     */
+    public Supplier<ByteBuffer> getBufferSupplier() {
+        return getBodyBufferSupplier();
+    }
+
     /**
      * 将对象以JSON格式输出
      *
@@ -263,7 +272,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finishJson(final Object obj) {
         this.contentType = "text/plain; charset=utf-8";
         if (this.recycleListener != null) this.output = obj;
-        finish(request.getJsonConvert().convertTo(context.getBufferSupplier(), obj));
+        finish(request.getJsonConvert().convertTo(getBodyBufferSupplier(), obj));
     }
 
     /**
@@ -275,7 +284,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finishMapJson(final Object... objs) {
         this.contentType = "text/plain; charset=utf-8";
         if (this.recycleListener != null) this.output = objs;
-        finish(request.getJsonConvert().convertMapTo(context.getBufferSupplier(), objs));
+        finish(request.getJsonConvert().convertMapTo(getBodyBufferSupplier(), objs));
     }
 
     /**
@@ -287,7 +296,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finishJson(final JsonConvert convert, final Object obj) {
         this.contentType = "text/plain; charset=utf-8";
         if (this.recycleListener != null) this.output = obj;
-        finish(convert.convertTo(context.getBufferSupplier(), obj));
+        finish(convert.convertTo(getBodyBufferSupplier(), obj));
     }
 
     /**
@@ -300,7 +309,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finishMapJson(final JsonConvert convert, final Object... objs) {
         this.contentType = "text/plain; charset=utf-8";
         if (this.recycleListener != null) this.output = objs;
-        finish(convert.convertMapTo(context.getBufferSupplier(), objs));
+        finish(convert.convertMapTo(getBodyBufferSupplier(), objs));
     }
 
     /**
@@ -312,7 +321,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finishJson(final Type type, final Object obj) {
         this.contentType = "text/plain; charset=utf-8";
         this.output = obj;
-        finish(request.getJsonConvert().convertTo(context.getBufferSupplier(), type, obj));
+        finish(request.getJsonConvert().convertTo(getBodyBufferSupplier(), type, obj));
     }
 
     /**
@@ -325,7 +334,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finishJson(final JsonConvert convert, final Type type, final Object obj) {
         this.contentType = "text/plain; charset=utf-8";
         if (this.recycleListener != null) this.output = obj;
-        finish(convert.convertTo(context.getBufferSupplier(), type, obj));
+        finish(convert.convertTo(getBodyBufferSupplier(), type, obj));
     }
 
     /**
@@ -336,7 +345,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finishJson(final Object... objs) {
         this.contentType = "text/plain; charset=utf-8";
         if (this.recycleListener != null) this.output = objs;
-        finish(request.getJsonConvert().convertTo(context.getBufferSupplier(), objs));
+        finish(request.getJsonConvert().convertTo(getBodyBufferSupplier(), objs));
     }
 
     /**
@@ -351,7 +360,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
             this.header.addValue("retcode", String.valueOf(ret.getRetcode()));
             this.header.addValue("retinfo", ret.getRetinfo());
         }
-        finish(request.getJsonConvert().convertTo(context.getBufferSupplier(), ret));
+        finish(request.getJsonConvert().convertTo(getBodyBufferSupplier(), ret));
     }
 
     /**
@@ -367,7 +376,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
             this.header.addValue("retcode", String.valueOf(ret.getRetcode()));
             this.header.addValue("retinfo", ret.getRetinfo());
         }
-        finish(convert.convertTo(context.getBufferSupplier(), ret));
+        finish(convert.convertTo(getBodyBufferSupplier(), ret));
     }
 
     /**
@@ -376,7 +385,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param future 输出对象的句柄
      */
     public void finishJson(final CompletableFuture future) {
-        finishJson(request.getJsonConvert(), future);
+        finish(request.getJsonConvert(), (Type) null, future);
     }
 
     /**
@@ -387,20 +396,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      */
     @SuppressWarnings("unchecked")
     public void finishJson(final JsonConvert convert, final CompletableFuture future) {
-        future.whenComplete((v, e) -> {
-            if (e != null) {
-                context.getLogger().log(Level.WARNING, "Servlet occur, forece to close channel. request = " + request, e);
-                finish(500, null);
-                return;
-            }
-            if (v instanceof CharSequence) {
-                finish(v.toString());
-            } else if (v instanceof org.redkale.service.RetResult) {
-                finishJson(convert, (org.redkale.service.RetResult) v);
-            } else {
-                finishJson(convert, v);
-            }
-        });
+        finish(convert, (Type) null, future);
     }
 
     /**
@@ -412,60 +408,103 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      */
     @SuppressWarnings("unchecked")
     public void finishJson(final JsonConvert convert, final Type type, final CompletableFuture future) {
-        future.whenComplete((v, e) -> {
-            if (e != null) {
-                context.getLogger().log(Level.WARNING, "Servlet occur, forece to close channel. request = " + request, e);
-                finish(500, null);
-                return;
-            }
-            if (v instanceof CharSequence) {
-                finish(v.toString());
-            } else if (v instanceof HttpResult) {
-                finishJson(convert, (HttpResult) v);
-            } else if (v instanceof org.redkale.service.RetResult) {
-                finishJson(convert, (org.redkale.service.RetResult) v);
-            } else {
-                finishJson(convert, type, v);
-            }
-        });
+        finish(convert, type, future);
     }
 
     /**
-     * 将HttpResult的结果对象以JSON格式输出
+     * 将结果对象输出
      *
-     * @param result HttpResult对象
-     */
-    public void finishJson(final HttpResult result) {
-        finishJson(request.getJsonConvert(), result);
-    }
-
-    /**
-     * 将HttpResult的结果对象以JSON格式输出
-     *
-     * @param convert 指定的JsonConvert
-     * @param result  HttpResult对象
+     * @param obj 输出对象
      */
     @SuppressWarnings("unchecked")
-    public void finishJson(final JsonConvert convert, final HttpResult result) {
-        if (output == null) {
-            finish("");
-            return;
-        }
-        if (result.getContentType() != null) setContentType(result.getContentType());
-        addHeader(result.getHeaders()).addCookie(result.getCookies()).setStatus(result.getStatus() < 1 ? 200 : result.getStatus());
-        if (result.getResult() instanceof File) {
+    public void finish(final Object obj) {
+        finish(request.getJsonConvert(), (Type) null, obj);
+    }
+
+    /**
+     * 将结果对象输出
+     *
+     * @param convert 指定的Convert
+     * @param obj     输出对象
+     */
+    @SuppressWarnings("unchecked")
+    public void finish(final Convert convert, final Object obj) {
+        finish(convert, (Type) null, obj);
+    }
+
+    /**
+     * 将结果对象输出
+     *
+     * @param convert 指定的Convert
+     * @param type    指定的类型
+     * @param obj     输出对象
+     */
+    @SuppressWarnings("unchecked")
+    public void finish(final Convert convert, final Type type, final Object obj) {
+        if (obj == null) {
+            finish("null");
+        } else if (obj instanceof CompletableFuture) {
+            ((CompletableFuture) obj).whenComplete((v, e) -> {
+                if (e != null) {
+                    context.getLogger().log(Level.WARNING, "Servlet occur, forece to close channel. request = " + request + ", result is CompletableFuture", (Throwable) e);
+                    finish(500, null);
+                    return;
+                }
+                finish(convert, type, v);
+            });
+        } else if (obj instanceof CharSequence) {
+            finish((String) obj.toString());
+        } else if (obj instanceof byte[]) {
+            finish((byte[]) obj);
+        } else if (obj instanceof ByteBuffer) {
+            finish((ByteBuffer) obj);
+        } else if (obj instanceof ByteBuffer[]) {
+            finish((ByteBuffer[]) obj);
+        } else if (obj instanceof File) {
             try {
-                finish((File) result.getResult());
+                finish((File) obj);
             } catch (IOException e) {
-                getContext().getLogger().log(Level.WARNING, "HttpServlet finishJson HttpResult File occur, forece to close channel. request = " + getRequest(), e);
+                context.getLogger().log(Level.WARNING, "HttpServlet finish File occur, forece to close channel. request = " + getRequest(), e);
                 finish(500, null);
             }
-        } else if (result.getResult() instanceof String) {
-            finish((String) result.getResult());
-        } else if (result.getResult() == null) {
-            finish(result.getMessage());
+        } else if (obj instanceof HttpResult) {
+            HttpResult result = (HttpResult) obj;
+            if (result.getContentType() != null) setContentType(result.getContentType());
+            addHeader(result.getHeaders()).addCookie(result.getCookies()).setStatus(result.getStatus() < 1 ? 200 : result.getStatus());
+            if (result.getResult() == null) {
+                finish("");
+            } else {
+                finish(convert, result.getResult());
+            }
         } else {
-            finishJson(result.getResult());
+            if (hasRender) {
+                if (onlyoneHttpRender != null) {
+                    if (onlyoneHttpRender.getType().isAssignableFrom(obj.getClass())) {
+                        onlyoneHttpRender.renderTo(this.request, this, convert, obj);
+                        return;
+                    }
+                } else {
+                    Class objt = obj.getClass();
+                    for (HttpRender render : this.renders) {
+                        if (render.getType().isAssignableFrom(objt)) {
+                            render.renderTo(this.request, this, convert, obj);
+                            return;
+                        }
+                    }
+                }
+            }
+
+            if (convert instanceof TextConvert) this.contentType = "text/plain; charset=utf-8";
+            if (this.recycleListener != null) this.output = obj;
+            if (obj instanceof org.redkale.service.RetResult) {
+                org.redkale.service.RetResult ret = (org.redkale.service.RetResult) obj;
+                if (!ret.isSuccess()) {
+                    this.header.addValue("retcode", String.valueOf(ret.getRetcode())).addValue("retinfo", ret.getRetinfo());
+                }
+            }
+            ByteBuffer[] buffers = type == null ? convert.convertTo(getBodyBufferSupplier(), obj)
+                : convert.convertTo(getBodyBufferSupplier(), type, obj);
+            finish(buffers);
         }
     }
 
@@ -486,7 +525,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         }
         if (context.getCharset() == null) {
             if (bufferHandler != null) {
-                bufferHandler.execute(this, new ByteBuffer[]{ByteBuffer.wrap(Utility.encodeUTF8(obj))});
+                bufferHandler.apply(this, new ByteBuffer[]{ByteBuffer.wrap(Utility.encodeUTF8(obj))});
             }
             final char[] chars = Utility.charArray(obj);
             this.contentLength = Utility.encodeUTF8Length(chars);
@@ -501,7 +540,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         } else {
             ByteBuffer buffer = context.getCharset().encode(obj);
             if (bufferHandler != null) {
-                ByteBuffer[] bufs = bufferHandler.execute(this, new ByteBuffer[]{buffer});
+                ByteBuffer[] bufs = bufferHandler.apply(this, new ByteBuffer[]{buffer});
                 if (bufs != null) buffer = bufs[0];
             }
             this.contentLength = buffer.remaining();
@@ -546,7 +585,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     @Override
     public void finish(final byte[] bs) {
         if (isClosed()) return; //避免重复关闭
-        if (this.context.getBufferCapacity() == bs.length) {
+        if (this.context.getBufferCapacity() >= bs.length) {
             ByteBuffer buffer = this.context.pollBuffer();
             buffer.put(bs);
             buffer.flip();
@@ -609,7 +648,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
     public void finish(boolean kill, ByteBuffer... buffers) {
         if (isClosed()) return; //避免重复关闭
         if (bufferHandler != null) {
-            ByteBuffer[] bufs = bufferHandler.execute(this, buffers);
+            ByteBuffer[] bufs = bufferHandler.apply(this, buffers);
             if (bufs != null) buffers = bufs;
         }
         if (kill) refuseAlive();
@@ -642,7 +681,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param attachment 异步回调参数
      * @param handler    异步回调函数
      */
-    public <A> void sendBody(ByteBuffer buffer, A attachment, AsyncHandler<Integer, A> handler) {
+    public <A> void sendBody(ByteBuffer buffer, A attachment, CompletionHandler<Integer, A> handler) {
         if (!this.headsended) {
             if (this.contentLength < 0) this.contentLength = buffer == null ? 0 : buffer.remaining();
             ByteBuffer headbuf = createHeader();
@@ -665,7 +704,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      * @param attachment 异步回调参数
      * @param handler    异步回调函数
      */
-    public <A> void sendBody(ByteBuffer[] buffers, A attachment, AsyncHandler<Integer, A> handler) {
+    public <A> void sendBody(ByteBuffer[] buffers, A attachment, CompletionHandler<Integer, A> handler) {
         if (!this.headsended) {
             if (this.contentLength < 0) {
                 int len = 0;
@@ -789,9 +828,10 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
         this.channel.write(hbuffer, hbuffer, new TransferFileHandler(file, offset, length));
     }
 
-    private ByteBuffer createHeader() {
+    //Header大小不能超过一个ByteBuffer的容量
+    protected ByteBuffer createHeader() {
         this.headsended = true;
-        ByteBuffer buffer = this.context.pollBuffer();
+        ByteBuffer buffer = this.pollWriteReadBuffer();
         buffer.put(("HTTP/1.1 " + this.status + " " + (this.status == 200 ? "OK" : httpCodes.get(this.status)) + "\r\n").getBytes());
 
         buffer.put(("Content-Type: " + (this.contentType == null ? "text/plain; charset=utf-8" : this.contentType) + "\r\n").getBytes());
@@ -1003,7 +1043,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      *
      * @return 拦截器
      */
-    protected BufferHandler getBufferHandler() {
+    protected BiFunction<HttpResponse, ByteBuffer[], ByteBuffer[]> getBufferHandler() {
         return bufferHandler;
     }
 
@@ -1012,11 +1052,11 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
      *
      * @param bufferHandler 拦截器
      */
-    protected void setBufferHandler(BufferHandler bufferHandler) {
+    protected void setBufferHandler(BiFunction<HttpResponse, ByteBuffer[], ByteBuffer[]> bufferHandler) {
         this.bufferHandler = bufferHandler;
     }
 
-    protected final class TransferFileHandler implements AsyncHandler<Integer, ByteBuffer> {
+    protected final class TransferFileHandler implements CompletionHandler<Integer, ByteBuffer> {
 
         private final File file;
 
@@ -1093,7 +1133,7 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
 
         @Override
         public void failed(Throwable exc, ByteBuffer attachment) {
-            getContext().offerBuffer(attachment);
+            context.offerBuffer(attachment);
             finish(true);
             try {
                 filechannel.close();

src/org/redkale/net/http/HttpScope.java

@@ -0,0 +1,98 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this referid file, choose Tools | Templates
+ * and open the referid in the editor.
+ */
+package org.redkale.net.http;
+
+import java.util.*;
+import java.util.function.BiConsumer;
+import org.redkale.convert.*;
+import org.redkale.convert.json.JsonConvert;
+
+/**
+ * HTTP输出引擎的对象域 <br>
+ * 输出引擎的核心类, 业务开发人员只有通过本类对象才能调用到输出引擎功能。 <br>
+ * <p>
+ * HttpServlet调用: <br>
+ * <pre>
+ *    &#064;HttpMapping(url = "/hello.html", auth = false)
+ *    public void hello(HttpRequest req, HttpResponse resp) throws IOException {
+ *        resp.finish(HttpScope.refer("/hello.html").attr("content", "哈哈"));
+ *    }
+ * </pre>
+ * <p>
+ * RestService调用: <br>
+ * <pre>
+ *    &#064;RestMapping(name = "hello.html", auth = false)
+ *    public HttpScope hello() {
+ *       return HttpScope.refer("hello.html").attr("content", "哈哈");
+ *    }
+ * </pre>
+ *
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class HttpScope {
+
+    protected String referid;
+
+    protected Map<String, Object> attributes;
+
+    public static HttpScope refer(String template) {
+        HttpScope rs = new HttpScope();
+        rs.setReferid(template);
+        return rs;
+    }
+
+    public HttpScope attr(Map<String, Object> map) {
+        if (map == null) return this;
+        if (this.attributes == null) this.attributes = new LinkedHashMap<>();
+        this.attributes.putAll(map);
+        return this;
+    }
+
+    public HttpScope attr(String name, Object value) {
+        if (this.attributes == null) this.attributes = new LinkedHashMap<>();
+        this.attributes.put(name, value);
+        return this;
+    }
+
+    public <T> T find(String name) {
+        return this.attributes == null ? null : (T) this.attributes.get(name);
+    }
+
+    public <T> T find(HttpScope parent, String name) {
+        T rs = this.attributes == null ? null : (T) this.attributes.get(name);
+        if (rs != null) return rs;
+        return parent == null ? null : parent.find(name);
+    }
+
+    public void forEach(BiConsumer<String, Object> action) {
+        if (this.attributes == null) return;
+        this.attributes.forEach(action);
+    }
+
+    public String getReferid() {
+        return referid;
+    }
+
+    public void setReferid(String referid) {
+        this.referid = referid;
+    }
+
+    public Map<String, Object> getAttributes() {
+        return attributes;
+    }
+
+    @ConvertDisabled(type = ConvertType.JSON)
+    public void setAttributes(Map<String, Object> attributes) {
+        this.attributes = attributes;
+    }
+
+    @Override
+    public String toString() {
+        return JsonConvert.root().convertTo(this);
+    }
+}

src/org/redkale/net/http/HttpServer.java

@@ -27,11 +27,15 @@ import org.redkale.util.*;
 public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpResponse, HttpServlet> {
 
     public HttpServer() {
-        this(System.currentTimeMillis());
+        this(System.currentTimeMillis(), ResourceFactory.root());
     }
 
-    public HttpServer(long serverStartTime) {
-        super(serverStartTime, "TCP", new HttpPrepareServlet());
+    public HttpServer(ResourceFactory resourceFactory) {
+        this(System.currentTimeMillis(), resourceFactory);
+    }
+
+    public HttpServer(long serverStartTime, ResourceFactory resourceFactory) {
+        super(serverStartTime, "TCP", resourceFactory, new HttpPrepareServlet());
     }
 
     @Override
@@ -47,6 +51,15 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
         return this.prepare.getFilters();
     }
 
+    /**
+     * 获取HttpRender列表
+     *
+     * @return HttpRender列表
+     */
+    public List<HttpRender> getHttpRenders() {
+        return ((HttpPrepareServlet) this.prepare).renders;
+    }
+
     /**
      * 获取静态资源HttpServlet
      *
@@ -359,9 +372,9 @@ public class HttpServer extends Server<String, HttpContext, HttpRequest, HttpRes
         AtomicLong createResponseCounter = new AtomicLong();
         AtomicLong cycleResponseCounter = new AtomicLong();
         ObjectPool<Response> responsePool = HttpResponse.createPool(createResponseCounter, cycleResponseCounter, this.responsePoolSize, null);
-        HttpContext httpcontext = new HttpContext(this.serverStartTime, this.logger, executor, rcapacity, bufferPool, responsePool,
-            this.maxbody, this.charset, this.address, this.prepare, this.readTimeoutSecond, this.writeTimeoutSecond);
-        responsePool.setCreator((Object... params) -> new HttpResponse(httpcontext, new HttpRequest(httpcontext, addrHeader), addHeaders, setHeaders, defCookie, options));
+        HttpContext httpcontext = new HttpContext(this.serverStartTime, this.logger, executor, this.sslContext, rcapacity, bufferPool, responsePool,
+            this.maxbody, this.charset, this.address, this.resourceFactory, this.prepare, this.readTimeoutSecond, this.writeTimeoutSecond);
+        responsePool.setCreator((Object... params) -> new HttpResponse(httpcontext, new HttpRequest(httpcontext, addrHeader), addHeaders, setHeaders, defCookie, options, ((HttpPrepareServlet) prepare).renders));
         return httpcontext;
     }
 

src/org/redkale/net/http/HttpServlet.java

@@ -10,9 +10,10 @@ import java.lang.reflect.Method;
 import java.nio.ByteBuffer;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
-import jdk.internal.org.objectweb.asm.*;
-import static jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES;
-import static jdk.internal.org.objectweb.asm.Opcodes.*;
+import java.util.function.BiFunction;
+import org.redkale.asm.*;
+import static org.redkale.asm.ClassWriter.COMPUTE_FRAMES;
+import static org.redkale.asm.Opcodes.*;
 import org.redkale.net.*;
 import org.redkale.service.RetResult;
 import org.redkale.util.*;
@@ -206,11 +207,11 @@ public class HttpServlet extends Servlet<HttpContext, HttpRequest, HttpResponse>
         //------------------------------------------------------------------------------
         final String supDynName = HttpServlet.class.getName().replace('.', '/');
         final String interName = this.getClass().getName().replace('.', '/');
-        final String interDesc = jdk.internal.org.objectweb.asm.Type.getDescriptor(this.getClass());
-        final String requestSupDesc = jdk.internal.org.objectweb.asm.Type.getDescriptor(Request.class);
-        final String responseSupDesc = jdk.internal.org.objectweb.asm.Type.getDescriptor(Response.class);
-        final String requestDesc = jdk.internal.org.objectweb.asm.Type.getDescriptor(HttpRequest.class);
-        final String responseDesc = jdk.internal.org.objectweb.asm.Type.getDescriptor(HttpResponse.class);
+        final String interDesc = org.redkale.asm.Type.getDescriptor(this.getClass());
+        final String requestSupDesc = org.redkale.asm.Type.getDescriptor(Request.class);
+        final String responseSupDesc = org.redkale.asm.Type.getDescriptor(Response.class);
+        final String requestDesc = org.redkale.asm.Type.getDescriptor(HttpRequest.class);
+        final String responseDesc = org.redkale.asm.Type.getDescriptor(HttpResponse.class);
         String newDynName = interName + "_Dyn_" + method.getName();
         int i = 0;
         for (;;) {
@@ -315,7 +316,7 @@ public class HttpServlet extends Servlet<HttpContext, HttpRequest, HttpResponse>
             return false;
         }
 
-        public final HttpResponse.BufferHandler cacheHandler;
+        public final BiFunction<HttpResponse, ByteBuffer[], ByteBuffer[]> cacheHandler;
 
         public final ConcurrentHashMap<String, CacheEntry> cache;
 

src/org/redkale/net/http/MimeType.java

@@ -76,6 +76,7 @@ public class MimeType {
         contentTypes.put("m3u", "audio/x-mpegurl");
         contentTypes.put("mac", "image/x-macpaint");
         contentTypes.put("man", "application/x-troff-man");
+        contentTypes.put("manifest", "text/cache-manifest");
         contentTypes.put("mathml", "application/mathml+xml");
         contentTypes.put("me", "application/x-troff-me");
         contentTypes.put("mid", "audio/x-midi");

src/org/redkale/net/http/MultiContext.java

@@ -112,6 +112,19 @@ public final class MultiContext {
         return tmpfile;
     }
 
+    /**
+     * 根据临时文件获取上传时的文件名
+     *
+     * @param file 临时文件
+     *
+     * @return 上传的文件名
+     */
+    public static String getFileName(File file) {
+        if (file == null) return null;
+        String name = file.getName();
+        return name.startsWith("redkale-") ? name.substring(name.indexOf('_') + 1) : name;
+    }
+
     //或被 REST 用到 
     /**
      * 获取第一个文件
@@ -133,9 +146,9 @@ public final class MultiContext {
             has = true;
             if (filenameReg != null && !filenameReg.isEmpty() && !part.getFilename().matches(filenameReg)) continue;
             if (contentTypeReg != null && !contentTypeReg.isEmpty() && !part.getContentType().matches(contentTypeReg)) continue;
-            File file = new File(home, "tmp/redkale_" + System.nanoTime() + "/" + part.getFilename());
+            File file = new File(home, "tmp/redkale-" + System.nanoTime() + "_" + part.getFilename());
             File parent = file.getParentFile();
-            parent.mkdirs();
+            if (!parent.isDirectory()) parent.mkdirs();
             boolean rs = part.save(max < 1 ? Long.MAX_VALUE : max, file);
             if (!rs) {
                 file.delete();
@@ -165,9 +178,9 @@ public final class MultiContext {
         for (MultiPart part : parts()) {
             if (filenameReg != null && !filenameReg.isEmpty() && !part.getFilename().matches(filenameReg)) continue;
             if (contentTypeReg != null && !contentTypeReg.isEmpty() && !part.getContentType().matches(contentTypeReg)) continue;
-            File file = new File(home, "tmp/redkale_" + System.nanoTime() + "/" + part.getFilename());
+            File file = new File(home, "tmp/redkale-" + System.nanoTime() + "_" + part.getFilename());
             File parent = file.getParentFile();
-            parent.mkdirs();
+            if (!parent.isDirectory()) parent.mkdirs();
             boolean rs = part.save(max < 1 ? Long.MAX_VALUE : max, file);
             if (!rs) {
                 file.delete();

src/org/redkale/net/http/Rest.java

@@ -5,18 +5,21 @@
  */
 package org.redkale.net.http;
 
+import org.redkale.asm.MethodDebugVisitor;
 import java.io.*;
 import java.lang.annotation.*;
 import static java.lang.annotation.ElementType.*;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 import java.lang.reflect.*;
+import java.nio.channels.CompletionHandler;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import javax.annotation.Resource;
-import jdk.internal.org.objectweb.asm.*;
-import static jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES;
-import static jdk.internal.org.objectweb.asm.Opcodes.*;
-import jdk.internal.org.objectweb.asm.Type;
+import org.redkale.asm.*;
+import static org.redkale.asm.ClassWriter.COMPUTE_FRAMES;
+import static org.redkale.asm.Opcodes.*;
+import org.redkale.asm.Type;
+import org.redkale.convert.*;
 import org.redkale.convert.json.*;
 import org.redkale.service.*;
 import org.redkale.util.*;
@@ -76,7 +79,7 @@ public final class Rest {
     private Rest() {
     }
 
-    public static class MethodParamClassVisitor extends ClassVisitor {
+    static class MethodParamClassVisitor extends ClassVisitor {
 
         private final Map<String, List<String>> fieldmap;
 
@@ -89,7 +92,9 @@ public final class Rest {
         public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
             if (java.lang.reflect.Modifier.isStatic(access)) return null;
             List<String> fieldnames = new ArrayList<>();
-            fieldmap.put(name + ":" + desc, fieldnames);
+            String key = name + ":" + desc;
+            if (fieldmap.containsKey(key)) return null;
+            fieldmap.put(key, fieldnames);
             return new MethodVisitor(Opcodes.ASM5) {
                 @Override
                 public void visitLocalVariable(String name, String description, String signature, Label start, Label end, int index) {
@@ -108,16 +113,17 @@ public final class Rest {
         }
 
         //返回的List中参数列表可能会比方法参数量多，因为方法内的临时变量也会存入list中， 所以需要list的元素集合比方法的参数多
-        public static Map<String, List<String>> getMethodParamNames(Class clazz) {
+        public static Map<String, List<String>> getMethodParamNames(Map<String, List<String>> map, Class clazz) {
             String n = clazz.getName();
             InputStream in = clazz.getResourceAsStream(n.substring(n.lastIndexOf('.') + 1) + ".class");
-            Map<String, List<String>> map = new HashMap<>();
             if (in == null) return map;
             try {
                 new ClassReader(Utility.readBytesThenClose(in)).accept(new MethodParamClassVisitor(Opcodes.ASM5, map), 0);
-            } catch (Exception e) { //无需理会                
+            } catch (Exception e) { //无需理会 
             }
-            return map;
+            Class superClass = clazz.getSuperclass();
+            if (superClass == Object.class) return map;
+            return getMethodParamNames(map, superClass);
         }
     }
 
@@ -127,22 +133,34 @@ public final class Rest {
         List<Class> types = new ArrayList<>();
         for (RestConvert rc : converts) {
             if (types.contains(rc.type())) throw new RuntimeException("@RestConvert type(" + rc.type() + ") repeat");
-            childFactory.register(rc.type(), false, rc.convertColumns());
-            childFactory.register(rc.type(), true, rc.ignoreColumns());
-            childFactory.reloadCoder(rc.type());
+            if (rc.skipIgnore()) {
+                childFactory.registerSkipIgnore(rc.type());
+                childFactory.reloadCoder(rc.type());
+            } else {
+                childFactory.register(rc.type(), false, rc.convertColumns());
+                childFactory.register(rc.type(), true, rc.ignoreColumns());
+                childFactory.reloadCoder(rc.type());
+            }
             types.add(rc.type());
             childFactory.tiny(rc.tiny());
         }
         return childFactory.getConvert();
     }
 
-    static String getWebModuleName(Class<? extends Service> serviceType) {
+    static String getWebModuleNameLowerCase(Class<? extends Service> serviceType) {
         final RestService controller = serviceType.getAnnotation(RestService.class);
         if (controller == null) return serviceType.getSimpleName().replaceAll("Service.*$", "").toLowerCase();
         if (controller.ignore()) return null;
         return (!controller.name().isEmpty()) ? controller.name() : serviceType.getSimpleName().replaceAll("Service.*$", "").toLowerCase();
     }
 
+    static String getWebModuleName(Class<? extends Service> serviceType) {
+        final RestService controller = serviceType.getAnnotation(RestService.class);
+        if (controller == null) return serviceType.getSimpleName().replaceAll("Service.*$", "");
+        if (controller.ignore()) return null;
+        return (!controller.name().isEmpty()) ? controller.name() : serviceType.getSimpleName().replaceAll("Service.*$", "");
+    }
+
     static boolean isRestDyn(HttpServlet servlet) {
         return servlet.getClass().getAnnotation(RestDyn.class) != null;
     }
@@ -169,7 +187,7 @@ public final class Rest {
         }
     }
 
-    static <T extends HttpServlet> T createRestWebSocketServlet(final ClassLoader classLoader, final Class<? extends WebSocket> webSocketType) {
+    public static <T extends HttpServlet> T createRestWebSocketServlet(final ClassLoader classLoader, final Class<? extends WebSocket> webSocketType) {
         if (webSocketType == null) throw new RuntimeException("Rest WebSocket Class is null on createRestWebSocketServlet");
         if (Modifier.isAbstract(webSocketType.getModifiers())) throw new RuntimeException("Rest WebSocket Class(" + webSocketType + ") cannot abstract on createRestWebSocketServlet");
         if (Modifier.isFinal(webSocketType.getModifiers())) throw new RuntimeException("Rest WebSocket Class(" + webSocketType + ") cannot final on createRestWebSocketServlet");
@@ -183,9 +201,9 @@ public final class Rest {
             }
         }
         if (!valid) throw new RuntimeException("Rest WebSocket Class(" + webSocketType + ") must have public or protected Constructor on createRestWebSocketServlet");
-
+        final String rwsname = ResourceFactory.formatResourceName(rws.name());
         if (!checkName(rws.catalog())) throw new RuntimeException(webSocketType.getName() + " have illeal " + RestWebSocket.class.getSimpleName() + ".catalog, only 0-9 a-z A-Z _ cannot begin 0-9");
-        if (!checkName(rws.name())) throw new RuntimeException(webSocketType.getName() + " have illeal " + RestWebSocket.class.getSimpleName() + ".name, only 0-9 a-z A-Z _ cannot begin 0-9");
+        if (!checkName(rwsname)) throw new RuntimeException(webSocketType.getName() + " have illeal " + RestWebSocket.class.getSimpleName() + ".name, only 0-9 a-z A-Z _ cannot begin 0-9");
 
         //----------------------------------------------------------------------------------------
         final Set<Field> resourcesFieldSet = new LinkedHashSet<>();
@@ -218,20 +236,25 @@ public final class Rest {
         final String resourceGenericDescriptor = sb1.length() == sb2.length() ? null : sb2.toString();
 
         //----------------------------------------------------------------------------------------        
-        final Map<String, List<String>> asmParamMap = MethodParamClassVisitor.getMethodParamNames(webSocketType);
+        final Map<String, List<String>> asmParamMap = MethodParamClassVisitor.getMethodParamNames(new HashMap<>(), webSocketType);
         final Set<String> messageNames = new HashSet<>();
         final List<Method> messageMethods = new ArrayList<>();
         for (Method method : webSocketType.getMethods()) {
             RestOnMessage rom = method.getAnnotation(RestOnMessage.class);
             if (rom == null) continue;
             String name = rom.name();
+            if (Modifier.isFinal(method.getModifiers())) throw new RuntimeException("@RestOnMessage method can not final but (" + method + ")");
+            if (Modifier.isStatic(method.getModifiers())) throw new RuntimeException("@RestOnMessage method can not static but (" + method + ")");
+            if (method.getReturnType() != void.class) throw new RuntimeException("@RestOnMessage method must return void but (" + method + ")");
+            if (method.getExceptionTypes().length > 0) throw new RuntimeException("@RestOnMessage method can not throw exception but (" + method + ")");
             if (name.isEmpty()) throw new RuntimeException(method + " RestOnMessage.name is empty createRestWebSocketServlet");
             if (messageNames.contains(name)) throw new RuntimeException(method + " repeat RestOnMessage.name(" + name + ") createRestWebSocketServlet");
             messageNames.add(name);
             messageMethods.add(method);
         }
         //----------------------------------------------------------------------------------------
-
+        final String convertDisabledDesc = Type.getDescriptor(ConvertDisabled.class);
+        final String webSocketParamName = Type.getInternalName(WebSocketParam.class);
         final String supDynName = WebSocketServlet.class.getName().replace('.', '/');
         final String webServletDesc = Type.getDescriptor(WebServlet.class);
         final String webSocketInternalName = Type.getInternalName(webSocketType);
@@ -250,7 +273,7 @@ public final class Rest {
 
         ClassWriter cw = new ClassWriter(COMPUTE_FRAMES);
         FieldVisitor fv;
-        AsmMethodVisitor mv;
+        MethodDebugVisitor mv;
         AnnotationVisitor av0;
         cw.visit(V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, newDynName, null, supDynName, null);
 
@@ -260,7 +283,7 @@ public final class Rest {
             av0.visitEnd();
         }
         { //注入 @WebServlet 注解
-            String urlpath = (rws.catalog().isEmpty() ? "/" : ("/" + rws.catalog() + "/")) + rws.name();
+            String urlpath = (rws.catalog().isEmpty() ? "/" : ("/" + rws.catalog() + "/")) + rwsname;
             av0 = cw.visitAnnotation(webServletDesc, true);
             {
                 AnnotationVisitor av1 = av0.visitArray("value");
@@ -299,29 +322,40 @@ public final class Rest {
                 fv.visitEnd();
             }
         }
-        { //构造函数 
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
+        { //_DynWebSocketServlet构造函数 
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
             mv.visitVarInsn(ALOAD, 0);
             mv.visitMethodInsn(INVOKESPECIAL, supDynName, "<init>", "()V", false);
             mv.visitVarInsn(ALOAD, 0);
             mv.visitLdcInsn(Type.getObjectType(newDynName + "$" + newDynWebSokcetSimpleName + "Message"));
             mv.visitFieldInsn(PUTFIELD, newDynName, "messageTextType", "Ljava/lang/reflect/Type;");
+
             mv.visitVarInsn(ALOAD, 0);
-            if (rws.liveinterval() < 6) {
-                mv.visitInsn(ICONST_0 + rws.liveinterval());
-            } else {
-                mv.visitIntInsn(BIPUSH, rws.liveinterval());
-            }
+            pushInt(mv, rws.liveinterval());
             mv.visitFieldInsn(PUTFIELD, newDynName, "liveinterval", "I");
+
+            mv.visitVarInsn(ALOAD, 0);
+            pushInt(mv, rws.wsmaxconns());
+            mv.visitFieldInsn(PUTFIELD, newDynName, "wsmaxconns", "I");
+
+            mv.visitVarInsn(ALOAD, 0);
+            pushInt(mv, rws.wsmaxbody());
+            mv.visitFieldInsn(PUTFIELD, newDynName, "wsmaxbody", "I");
+
             mv.visitVarInsn(ALOAD, 0);
             mv.visitInsn(rws.single() ? ICONST_1 : ICONST_0);
             mv.visitFieldInsn(PUTFIELD, newDynName, "single", "Z");
+
+            mv.visitVarInsn(ALOAD, 0);
+            mv.visitInsn(rws.anyuser() ? ICONST_1 : ICONST_0);
+            mv.visitFieldInsn(PUTFIELD, newDynName, "anyuser", "Z");
+
             mv.visitInsn(RETURN);
-            mv.visitMaxs(2, 1);
+            mv.visitMaxs(3, 1);
             mv.visitEnd();
         }
         { //createWebSocket 方法
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PROTECTED, "createWebSocket", "()Lorg/redkale/net/http/WebSocket;", "<G::Ljava/io/Serializable;T:Ljava/lang/Object;>()Lorg/redkale/net/http/WebSocket<TG;TT;>;", null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PROTECTED, "createWebSocket", "()Lorg/redkale/net/http/WebSocket;", "<G::Ljava/io/Serializable;T:Ljava/lang/Object;>()Lorg/redkale/net/http/WebSocket<TG;TT;>;", null));
             mv.visitTypeInsn(NEW, newDynName + "$" + newDynWebSokcetSimpleName);
             mv.visitInsn(DUP);
             for (int i = 0; i < resourcesFields.size(); i++) {
@@ -334,7 +368,7 @@ public final class Rest {
             mv.visitEnd();
         }
         { //createRestOnMessageConsumer
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PROTECTED, "createRestOnMessageConsumer", "()Ljava/util/function/BiConsumer;", "()Ljava/util/function/BiConsumer<Lorg/redkale/net/http/WebSocket;Ljava/lang/Object;>;", null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PROTECTED, "createRestOnMessageConsumer", "()Ljava/util/function/BiConsumer;", "()Ljava/util/function/BiConsumer<Lorg/redkale/net/http/WebSocket;Ljava/lang/Object;>;", null));
             mv.visitTypeInsn(NEW, newDynConsumerFullName);
             mv.visitInsn(DUP);
             mv.visitMethodInsn(INVOKESPECIAL, newDynConsumerFullName, "<init>", "()V", false);
@@ -343,8 +377,8 @@ public final class Rest {
             mv.visitEnd();
         }
         { //resourceName
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "resourceName", "()Ljava/lang/String;", null, null));
-            mv.visitLdcInsn(rws.name());
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "resourceName", "()Ljava/lang/String;", null, null));
+            mv.visitLdcInsn(rwsname);
             mv.visitInsn(ARETURN);
             mv.visitMaxs(1, 1);
             mv.visitEnd();
@@ -352,19 +386,19 @@ public final class Rest {
 
         RestClassLoader newLoader = new RestClassLoader(loader);
 
-        for (int i = 0; i < messageMethods.size(); i++) {  // _DyncXXXWebSocketMessage List
+        for (int i = 0; i < messageMethods.size(); i++) {  // _DyncXXXWebSocketMessage 子消息List
             Method method = messageMethods.get(i);
             String endfix = "_" + method.getName() + "_" + (i > 9 ? i : ("0" + i));
 
             ClassWriter cw2 = new ClassWriter(COMPUTE_FRAMES);
-            cw2.visit(V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, newDynMessageFullName + endfix, null, "java/lang/Object", null);
-
+            cw2.visit(V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, newDynMessageFullName + endfix, null, "java/lang/Object", new String[]{webSocketParamName, "java/lang/Runnable"});
             cw2.visitInnerClass(newDynMessageFullName + endfix, newDynName, newDynMessageSimpleName + endfix, ACC_PUBLIC + ACC_STATIC);
             Set<String> paramnames = new HashSet<>();
             String methodesc = method.getName() + ":" + Type.getMethodDescriptor(method);
             List<String> names = asmParamMap.get(methodesc);
             Parameter[] params = method.getParameters();
-            for (int j = 0; j < params.length; j++) {
+            final LinkedHashMap<String, Parameter> paramap = new LinkedHashMap(); //必须使用LinkedHashMap确保顺序
+            for (int j = 0; j < params.length; j++) { //字段列表
                 Parameter param = params[j];
                 String paramname = param.getName();
                 RestParam rp = param.getAnnotation(RestParam.class);
@@ -375,20 +409,94 @@ public final class Rest {
                 }
                 if (paramnames.contains(paramname)) throw new RuntimeException(method + " has same @RestParam.name");
                 paramnames.add(paramname);
+                paramap.put(paramname, param);
                 fv = cw2.visitField(ACC_PUBLIC, paramname, Type.getDescriptor(param.getType()),
                     param.getType() == param.getParameterizedType() ? null : Utility.getTypeDescriptor(param.getParameterizedType()), null);
                 fv.visitEnd();
             }
-            { //构造函数
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
+            { //_redkale_websocket
+                fv = cw2.visitField(ACC_PUBLIC, "_redkale_websocket", "L" + newDynWebSokcetFullName + ";", null, null);
+                av0 = fv.visitAnnotation(convertDisabledDesc, true);
+                av0.visitEnd();
+                fv.visitEnd();
+            }
+            { //空构造函数
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
                 mv.visitInsn(RETURN);
                 mv.visitMaxs(1, 1);
                 mv.visitEnd();
             }
+            { //getNames
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "getNames", "()[Ljava/lang/String;", null, null));
+                pushInt(mv, paramap.size());
+                mv.visitTypeInsn(ANEWARRAY, "java/lang/String");
+                int index = -1;
+                for (Map.Entry<String, Parameter> en : paramap.entrySet()) {
+                    mv.visitInsn(DUP);
+                    pushInt(mv, ++index);
+                    mv.visitLdcInsn(en.getKey());
+                    mv.visitInsn(AASTORE);
+                }
+                mv.visitInsn(ARETURN);
+                mv.visitMaxs(paramap.size() + 2, 1);
+                mv.visitEnd();
+            }
+            { //getValue
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "getValue", "(Ljava/lang/String;)Ljava/lang/Object;", "<T:Ljava/lang/Object;>(Ljava/lang/String;)TT;", null));
+                for (Map.Entry<String, Parameter> en : paramap.entrySet()) {
+                    Class paramType = en.getValue().getType();
+                    mv.visitLdcInsn(en.getKey());
+                    mv.visitVarInsn(ALOAD, 1);
+                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/String", "equals", "(Ljava/lang/Object;)Z", false);
+                    Label l1 = new Label();
+                    mv.visitJumpInsn(IFEQ, l1);
+                    mv.visitVarInsn(ALOAD, 0);
+                    mv.visitFieldInsn(GETFIELD, newDynMessageFullName + endfix, en.getKey(), Type.getDescriptor(paramType));
+                    if (paramType.isPrimitive()) {
+                        Class bigclaz = java.lang.reflect.Array.get(java.lang.reflect.Array.newInstance(paramType, 1), 0).getClass();
+                        mv.visitMethodInsn(INVOKESTATIC, bigclaz.getName().replace('.', '/'), "valueOf", "(" + Type.getDescriptor(paramType) + ")" + Type.getDescriptor(bigclaz), false);
+                    }
+                    mv.visitInsn(ARETURN);
+                    mv.visitLabel(l1);
+                }
+                mv.visitInsn(ACONST_NULL);
+                mv.visitInsn(ARETURN);
+                mv.visitMaxs(2, 2);
+                mv.visitEnd();
+            }
+            { //execute
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "execute", "(L" + newDynWebSokcetFullName + ";)V", null, null));
+                mv.visitVarInsn(ALOAD, 0);
+                mv.visitVarInsn(ALOAD, 1);
+                mv.visitFieldInsn(PUTFIELD, newDynMessageFullName + endfix, "_redkale_websocket", "L" + newDynWebSokcetFullName + ";");
+                mv.visitVarInsn(ALOAD, 1);
+                mv.visitLdcInsn(method.getAnnotation(RestOnMessage.class).name());
+                mv.visitVarInsn(ALOAD, 0);
+                mv.visitVarInsn(ALOAD, 0);
+                mv.visitMethodInsn(INVOKEVIRTUAL, newDynWebSokcetFullName, "preOnMessage", "(Ljava/lang/String;Lorg/redkale/net/http/WebSocketParam;Ljava/lang/Runnable;)V", false);
+                mv.visitInsn(RETURN);
+                mv.visitMaxs(4, 2);
+                mv.visitEnd();
+            }
+            { //run
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "run", "()V", null, null));
+                mv.visitVarInsn(ALOAD, 0);
+                mv.visitFieldInsn(GETFIELD, newDynMessageFullName + endfix, "_redkale_websocket", "L" + newDynWebSokcetFullName + ";");
+
+                for (Map.Entry<String, Parameter> en : paramap.entrySet()) {
+                    mv.visitVarInsn(ALOAD, 0);
+                    mv.visitFieldInsn(GETFIELD, (newDynMessageFullName + endfix), en.getKey(), Type.getDescriptor(en.getValue().getType()));
+                }
+                mv.visitMethodInsn(INVOKEVIRTUAL, newDynWebSokcetFullName, method.getName(), Type.getMethodDescriptor(method), false);
+
+                mv.visitInsn(RETURN);
+                mv.visitMaxs(3, 1);
+                mv.visitEnd();
+            }
             { //toString
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
                 mv.visitMethodInsn(INVOKESTATIC, "org/redkale/convert/json/JsonConvert", "root", "()Lorg/redkale/convert/json/JsonConvert;", false);
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitMethodInsn(INVOKEVIRTUAL, "org/redkale/convert/json/JsonConvert", "convertTo", "(Ljava/lang/Object;)Ljava/lang/String;", false);
@@ -415,7 +523,7 @@ public final class Rest {
                 fv.visitEnd();
             }
             { //构造函数
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
                 mv.visitInsn(RETURN);
@@ -423,7 +531,7 @@ public final class Rest {
                 mv.visitEnd();
             }
             { //toString
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
                 mv.visitMethodInsn(INVOKESTATIC, "org/redkale/convert/json/JsonConvert", "root", "()Lorg/redkale/convert/json/JsonConvert;", false);
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitMethodInsn(INVOKEVIRTUAL, "org/redkale/convert/json/JsonConvert", "convertTo", "(Ljava/lang/Object;)Ljava/lang/String;", false);
@@ -442,7 +550,7 @@ public final class Rest {
             cw2.visitInnerClass(newDynWebSokcetFullName, newDynName, newDynWebSokcetSimpleName, ACC_PUBLIC + ACC_STATIC);
 
             {
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "(" + resourceDescriptor + ")V", resourceGenericDescriptor == null ? null : ("(" + resourceGenericDescriptor + ")V"), null));
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "(" + resourceDescriptor + ")V", resourceGenericDescriptor == null ? null : ("(" + resourceGenericDescriptor + ")V"), null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitMethodInsn(INVOKESPECIAL, webSocketInternalName, "<init>", "()V", false);
                 for (int i = 0; i < resourcesFields.size(); i++) {
@@ -472,7 +580,7 @@ public final class Rest {
             }
 
             { //构造函数
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
                 mv.visitInsn(RETURN);
@@ -481,7 +589,7 @@ public final class Rest {
             }
 
             { //accept函数
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC, "accept", "(Lorg/redkale/net/http/WebSocket;Ljava/lang/Object;)V", null, null));
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC, "accept", "(Lorg/redkale/net/http/WebSocket;Ljava/lang/Object;)V", null, null));
                 mv.visitVarInsn(ALOAD, 1);
                 mv.visitTypeInsn(CHECKCAST, newDynWebSokcetFullName);
                 mv.visitVarInsn(ASTORE, 3);
@@ -494,32 +602,16 @@ public final class Rest {
                     final Method method = messageMethods.get(i);
                     String endfix = "_" + method.getName() + "_" + (i > 9 ? i : ("0" + i));
                     final String messagename = method.getAnnotation(RestOnMessage.class).name();
-                    String methodesc = method.getName() + ":" + Type.getMethodDescriptor(method);
-                    List<String> names = asmParamMap.get(methodesc);
-                    Parameter[] params = method.getParameters();
 
                     mv.visitVarInsn(ALOAD, 4);
                     mv.visitFieldInsn(GETFIELD, newDynMessageFullName, messagename, "L" + (newDynMessageFullName + endfix) + ";");
                     Label ifLabel = new Label();
                     mv.visitJumpInsn(IFNULL, ifLabel);
 
+                    mv.visitVarInsn(ALOAD, 4);
+                    mv.visitFieldInsn(GETFIELD, newDynMessageFullName, messagename, "L" + (newDynMessageFullName + endfix) + ";");
                     mv.visitVarInsn(ALOAD, 3);
-
-                    for (int j = 0; j < params.length; j++) {
-                        Parameter param = params[j];
-                        String paramname = param.getName();
-                        RestParam rp = param.getAnnotation(RestParam.class);
-                        if (rp != null && !rp.name().isEmpty()) {
-                            paramname = rp.name();
-                        } else if (names != null && names.size() > j) {
-                            paramname = names.get(j);
-                        }
-
-                        mv.visitVarInsn(ALOAD, 4);
-                        mv.visitFieldInsn(GETFIELD, newDynMessageFullName, messagename, "L" + (newDynMessageFullName + endfix) + ";");
-                        mv.visitFieldInsn(GETFIELD, (newDynMessageFullName + endfix), paramname, Type.getDescriptor(param.getType()));
-                    }
-                    mv.visitMethodInsn(INVOKEVIRTUAL, newDynWebSokcetFullName, method.getName(), Type.getMethodDescriptor(method), false);
+                    mv.visitMethodInsn(INVOKEVIRTUAL, (newDynMessageFullName + endfix), "execute", "(L" + newDynWebSokcetFullName + ";)V", false);
                     mv.visitInsn(RETURN);
                     mv.visitLabel(ifLabel);
                 }
@@ -528,7 +620,7 @@ public final class Rest {
                 mv.visitEnd();
             }
             {//虚拟accept函数
-                mv = new AsmMethodVisitor(cw2.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "accept", "(Ljava/lang/Object;Ljava/lang/Object;)V", null, null));
+                mv = new MethodDebugVisitor(cw2.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "accept", "(Ljava/lang/Object;Ljava/lang/Object;)V", null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitVarInsn(ALOAD, 1);
                 mv.visitTypeInsn(CHECKCAST, "org/redkale/net/http/WebSocket");
@@ -551,7 +643,7 @@ public final class Rest {
         }
     }
 
-    static <T extends HttpServlet> T createRestServlet(final ClassLoader classLoader, final Class userType0, final Class<T> baseServletType, final Class<? extends Service> serviceType) {
+    public static <T extends HttpServlet> T createRestServlet(final ClassLoader classLoader, final Class userType0, final Class<T> baseServletType, final Class<? extends Service> serviceType) {
         if (baseServletType == null || serviceType == null) throw new RuntimeException(" Servlet or Service is null Class on createRestServlet");
         if (!HttpServlet.class.isAssignableFrom(baseServletType)) throw new RuntimeException(baseServletType + " is not HttpServlet Class on createRestServlet");
         int mod = baseServletType.getModifiers();
@@ -562,7 +654,9 @@ public final class Rest {
         final String webServletDesc = Type.getDescriptor(WebServlet.class);
         final String reqDesc = Type.getDescriptor(HttpRequest.class);
         final String respDesc = Type.getDescriptor(HttpResponse.class);
-        final String convertDesc = Type.getDescriptor(JsonConvert.class);
+        final String convertDesc = Type.getDescriptor(Convert.class);
+        final String typeDesc = Type.getDescriptor(java.lang.reflect.Type.class);
+        final String jsonConvertDesc = Type.getDescriptor(JsonConvert.class);
         final String retDesc = Type.getDescriptor(RetResult.class);
         final String futureDesc = Type.getDescriptor(CompletableFuture.class);
         final String flipperDesc = Type.getDescriptor(Flipper.class);
@@ -589,13 +683,14 @@ public final class Rest {
         String newDynName = serviceTypeInternalName.substring(0, serviceTypeInternalName.lastIndexOf('/') + 1) + "_Dyn" + serviceType.getSimpleName().replaceAll("Service.*$", "") + "RestServlet";
 
         //------------------------------------------------------------------------------
-        final String defmodulename = getWebModuleName(serviceType);
+        final String defmodulename = getWebModuleNameLowerCase(serviceType);
+        final String bigmodulename = getWebModuleName(serviceType);
         final String catalog = controller == null ? "" : controller.catalog();
         if (!checkName(catalog)) throw new RuntimeException(serviceType.getName() + " have illeal " + RestService.class.getSimpleName() + ".catalog, only 0-9 a-z A-Z _ cannot begin 0-9");
         if (!checkName(defmodulename)) throw new RuntimeException(serviceType.getName() + " have illeal " + RestService.class.getSimpleName() + ".value, only 0-9 a-z A-Z _ cannot begin 0-9");
         ClassWriter cw = new ClassWriter(COMPUTE_FRAMES);
         FieldVisitor fv;
-        AsmMethodVisitor mv;
+        MethodDebugVisitor mv;
         AnnotationVisitor av0;
         Map<String, Object> classMap = new LinkedHashMap<>();
         List<Map<String, Object>> mappingMaps = new ArrayList<>();
@@ -655,7 +750,7 @@ public final class Rest {
             fv.visitEnd();
         }
         { //构造函数
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
             //mv.setDebug(true);
             mv.visitVarInsn(ALOAD, 0);
             mv.visitMethodInsn(INVOKESPECIAL, supDynName, "<init>", "()V", false);
@@ -671,6 +766,7 @@ public final class Rest {
         final List<java.lang.reflect.Type[]> paramtypes = new ArrayList<>();
         for (final Method method : serviceType.getMethods()) {
             if (Modifier.isStatic(method.getModifiers())) continue;
+            if (method.isSynthetic()) continue;
             Class[] extypes = method.getExceptionTypes();
             if (extypes.length > 1) continue;
             if (extypes.length == 1 && extypes[0] != IOException.class) continue;
@@ -690,9 +786,9 @@ public final class Rest {
                 }
             }
             if (ignore) continue;
-            paramtypes.add(method.getGenericParameterTypes());
+            paramtypes.add(TypeToken.getGenericType(method.getGenericParameterTypes(), serviceType));
             if (mappings.length == 0) { //没有Mapping，设置一个默认值
-                MappingEntry entry = new MappingEntry(methodidex, null, defmodulename, method);
+                MappingEntry entry = new MappingEntry(methodidex, null, bigmodulename, method);
                 if (entrys.contains(entry)) throw new RuntimeException(serviceType.getName() + " on " + method.getName() + " 's mapping(" + entry.name + ") is repeat");
                 entrys.add(entry);
             } else {
@@ -705,9 +801,8 @@ public final class Rest {
             methodidex++;
         }
         if (entrys.isEmpty()) return null; //没有可HttpMapping的方法
-
         //将每个Service可转换的方法生成HttpServlet对应的HttpMapping方法
-        final Map<String, List<String>> asmParamMap = MethodParamClassVisitor.getMethodParamNames(serviceType);
+        final Map<String, List<String>> asmParamMap = MethodParamClassVisitor.getMethodParamNames(new HashMap<>(), serviceType);
         final Map<String, java.lang.reflect.Type> bodyTypes = new HashMap<>();
 
         final List<RestConvert[]> restConverts = new ArrayList<>();
@@ -722,7 +817,7 @@ public final class Rest {
             final RestConvert[] rcs = method.getAnnotationsByType(RestConvert.class);
             if (rcs != null && rcs.length > 0) restConverts.add(rcs);
 
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, entry.name, "(" + reqDesc + respDesc + ")V", null, new String[]{"java/io/IOException"}));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, entry.name, "(" + reqDesc + respDesc + ")V", null, new String[]{"java/io/IOException"}));
             //mv.setDebug(true);
             mv.debugLine();
 
@@ -852,7 +947,7 @@ public final class Rest {
                     if (ptype.isPrimitive() || ptype == String.class) n = "#";
                 }
                 if (annhead == null && anncookie == null && annsid == null && annaddr == null && annbody == null && annfile == null
-                    && !ptype.isPrimitive() && ptype != String.class && ptype != Flipper.class && !AsyncHandler.class.isAssignableFrom(ptype)
+                    && !ptype.isPrimitive() && ptype != String.class && ptype != Flipper.class && !CompletionHandler.class.isAssignableFrom(ptype)
                     && !ptype.getName().startsWith("java") && n.charAt(0) != '#' && !"&".equals(n)) { //判断Json对象是否包含@RestUploadFile
                     Class loop = ptype;
                     do {
@@ -882,7 +977,7 @@ public final class Rest {
                     }
                 }
                 av0 = mv.visitAnnotation(mappingDesc, true);
-                String url = (catalog.isEmpty() ? "/" : ("/" + catalog + "/")) + defmodulename.toLowerCase() + "/" + entry.name + (reqpath ? "/" : "");
+                String url = (catalog.isEmpty() ? "/" : ("/" + catalog + "/")) + defmodulename + "/" + entry.name + (reqpath ? "/" : "");
                 av0.visit("url", url);
                 av0.visit("auth", entry.auth);
                 av0.visit("cacheseconds", entry.cacheseconds);
@@ -895,7 +990,7 @@ public final class Rest {
                 }
                 av1.visitEnd();
 
-                java.lang.reflect.Type grt = method.getGenericReturnType();
+                java.lang.reflect.Type grt = TypeToken.getGenericType(method.getGenericReturnType(), serviceType);
                 av0.visit("result", grt == returnType ? returnType.getName() : String.valueOf(grt));
 
                 av0.visitEnd();
@@ -929,7 +1024,7 @@ public final class Rest {
                 av1.visitEnd();
                 av0.visitEnd();
             }
-
+            int uploadLocal = 0;
             if (mupload != null) { //存在文件上传
                 if (muploadType == byte[].class) {
                     mv.visitVarInsn(ALOAD, 1);
@@ -939,6 +1034,7 @@ public final class Rest {
                     mv.visitLdcInsn(mupload.contentTypeReg());
                     mv.visitMethodInsn(INVOKEVIRTUAL, "org/redkale/net/http/MultiContext", "partsFirstBytes", "(JLjava/lang/String;Ljava/lang/String;)[B", false);
                     mv.visitVarInsn(ASTORE, maxLocals);
+                    uploadLocal = maxLocals;
                 } else if (muploadType == File.class) {
                     mv.visitVarInsn(ALOAD, 1);
                     mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getMultiContext", "()Lorg/redkale/net/http/MultiContext;", false);
@@ -949,6 +1045,7 @@ public final class Rest {
                     mv.visitLdcInsn(mupload.contentTypeReg());
                     mv.visitMethodInsn(INVOKEVIRTUAL, "org/redkale/net/http/MultiContext", "partsFirstFile", "(Ljava/io/File;JLjava/lang/String;Ljava/lang/String;)Ljava/io/File;", false);
                     mv.visitVarInsn(ASTORE, maxLocals);
+                    uploadLocal = maxLocals;
                 } else if (muploadType == File[].class) { //File[]
                     mv.visitVarInsn(ALOAD, 1);
                     mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getMultiContext", "()Lorg/redkale/net/http/MultiContext;", false);
@@ -959,6 +1056,7 @@ public final class Rest {
                     mv.visitLdcInsn(mupload.contentTypeReg());
                     mv.visitMethodInsn(INVOKEVIRTUAL, "org/redkale/net/http/MultiContext", "partsFiles", "(Ljava/io/File;JLjava/lang/String;Ljava/lang/String;)[Ljava/io/File;", false);
                     mv.visitVarInsn(ASTORE, maxLocals);
+                    uploadLocal = maxLocals;
                 }
                 maxLocals++;
             }
@@ -989,17 +1087,17 @@ public final class Rest {
 
                 paramMap.put("name", pname);
                 paramMap.put("type", ptype.getName());
-                if (AsyncHandler.class.isAssignableFrom(ptype)) { //HttpResponse.createAsyncHandler() or HttpResponse.createAsyncHandler(Class)
-                    if (ptype == AsyncHandler.class) {
+                if (CompletionHandler.class.isAssignableFrom(ptype)) { //HttpResponse.createAsyncHandler() or HttpResponse.createAsyncHandler(Class)
+                    if (ptype == CompletionHandler.class) {
                         mv.visitVarInsn(ALOAD, 2);
-                        mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "createAsyncHandler", "()Lorg/redkale/util/AsyncHandler;", false);
+                        mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "createAsyncHandler", "()Ljava/nio/channels/CompletionHandler;", false);
                         mv.visitVarInsn(ASTORE, maxLocals);
                         varInsns.add(new int[]{ALOAD, maxLocals});
                     } else {
                         mv.visitVarInsn(ALOAD, 3);
                         mv.visitVarInsn(ALOAD, 2);
                         mv.visitLdcInsn(Type.getType(Type.getDescriptor(ptype)));
-                        mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "createAsyncHandler", "(Ljava/lang/Class;)Lorg/redkale/util/AsyncHandler;", false);
+                        mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "createAsyncHandler", "(Ljava/lang/Class;)Ljava/nio/channels/CompletionHandler;", false);
                         mv.visitTypeInsn(CHECKCAST, ptype.getName().replace('.', '/'));
                         mv.visitVarInsn(ASTORE, maxLocals);
                         varInsns.add(new int[]{ALOAD, maxLocals});
@@ -1283,11 +1381,7 @@ public final class Rest {
                     } else {
                         mv.visitVarInsn(ALOAD, 0);
                         mv.visitFieldInsn(GETFIELD, newDynName, REST_PARAMTYPES_FIELD_NAME, "[[Ljava/lang/reflect/Type;");
-                        if (entry.methodidx <= 5) {  //方法下标
-                            mv.visitInsn(ICONST_0 + entry.methodidx);
-                        } else {
-                            mv.visitIntInsn(BIPUSH, entry.methodidx);
-                        }
+                        pushInt(mv, entry.methodidx);//方法下标
                         mv.visitInsn(AALOAD);
                         int paramidx = 0;
                         for (int i = 0; i < params.length; i++) {
@@ -1296,11 +1390,7 @@ public final class Rest {
                                 break;
                             }
                         }
-                        if (paramidx <= 5) {  //参数下标
-                            mv.visitInsn(ICONST_0 + paramidx);
-                        } else {
-                            mv.visitIntInsn(BIPUSH, paramidx);
-                        }
+                        pushInt(mv, paramidx); //参数下标
                         mv.visitInsn(AALOAD);
                     }
                     mv.visitLdcInsn(pname);
@@ -1383,7 +1473,7 @@ public final class Rest {
                     } while ((loop = loop.getSuperclass()) != Object.class);
 
                     if (!attrParaNames.isEmpty()) { //参数存在 RestHeader、RestCookie、RestSessionid、RestAddress、RestBody字段
-                        mv.visitVarInsn(ALOAD, maxLocals);
+                        mv.visitVarInsn(ALOAD, maxLocals); //加载JsonBean
                         Label lif = new Label();
                         mv.visitJumpInsn(IFNULL, lif);  //if(bean != null) {
                         for (Map.Entry<String, Object[]> en : attrParaNames.entrySet()) {
@@ -1391,12 +1481,22 @@ public final class Rest {
                             mv.visitVarInsn(ALOAD, 0);
                             mv.visitFieldInsn(GETFIELD, newDynName, en.getKey(), attrDesc);
                             mv.visitVarInsn(ALOAD, maxLocals);
-                            boolean upload = en.getKey().contains("_upload");
-                            mv.visitVarInsn(ALOAD, upload ? (maxLocals - 1) : 1);
+                            mv.visitVarInsn(ALOAD, en.getKey().contains("_upload") ? uploadLocal : 1);
                             if (en.getKey().contains("_header_")) {
-                                mv.visitLdcInsn(en.getValue()[0].toString());
-                                mv.visitLdcInsn("");
-                                mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getHeader", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;", false);
+                                String headerkey = en.getValue()[0].toString();
+                                if ("Host".equalsIgnoreCase(headerkey)) {
+                                    mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getHost", "()Ljava/lang/String;", false);
+                                } else if ("Content-Type".equalsIgnoreCase(headerkey)) {
+                                    mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getContentType", "()Ljava/lang/String;", false);
+                                } else if ("Connection".equalsIgnoreCase(headerkey)) {
+                                    mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getConnection", "()Ljava/lang/String;", false);
+                                } else if ("Method".equalsIgnoreCase(headerkey)) {
+                                    mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getMethod", "()Ljava/lang/String;", false);
+                                } else {
+                                    mv.visitLdcInsn(headerkey);
+                                    mv.visitLdcInsn("");
+                                    mv.visitMethodInsn(INVOKEVIRTUAL, reqInternalName, "getHeader", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;", false);
+                                }
                             } else if (en.getKey().contains("_cookie_")) {
                                 mv.visitLdcInsn(en.getValue()[0].toString());
                                 mv.visitLdcInsn("");
@@ -1528,34 +1628,6 @@ public final class Rest {
                 mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finish", "(Ljava/io/File;)V", false);
                 mv.visitInsn(RETURN);
                 maxLocals++;
-            } else if (RetResult.class.isAssignableFrom(returnType)) {
-                mv.visitVarInsn(ASTORE, maxLocals);
-                mv.visitVarInsn(ALOAD, 2); //response
-                if (rcs != null && rcs.length > 0) {
-                    mv.visitVarInsn(ALOAD, 0);
-                    mv.visitFieldInsn(GETFIELD, newDynName, REST_JSONCONVERT_FIELD_PREFIX + restConverts.size(), convertDesc);
-                    mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(" + convertDesc + retDesc + ")V", false);
-                } else {
-                    mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(" + retDesc + ")V", false);
-                }
-                mv.visitInsn(RETURN);
-                maxLocals++;
-            } else if (HttpResult.class.isAssignableFrom(returnType)) {
-                mv.visitVarInsn(ASTORE, maxLocals);
-                mv.visitVarInsn(ALOAD, 2); //response                
-                if (rcs != null && rcs.length > 0) {
-                    mv.visitVarInsn(ALOAD, 0);
-                    mv.visitFieldInsn(GETFIELD, newDynName, REST_JSONCONVERT_FIELD_PREFIX + restConverts.size(), convertDesc);
-                    mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(" + convertDesc + httprsDesc + ")V", false);
-                } else {
-                    mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(" + httprsDesc + ")V", false);
-                }
-                mv.visitInsn(RETURN);
-                maxLocals++;
             } else if (Number.class.isAssignableFrom(returnType) || CharSequence.class.isAssignableFrom(returnType)) {   //returnType == String.class 必须放在前面
                 mv.visitVarInsn(ASTORE, maxLocals);
                 mv.visitVarInsn(ALOAD, 2); //response
@@ -1564,31 +1636,17 @@ public final class Rest {
                 mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finish", "(Ljava/lang/String;)V", false);
                 mv.visitInsn(RETURN);
                 maxLocals++;
-            } else if (CompletableFuture.class.isAssignableFrom(returnType)) {
-                mv.visitVarInsn(ASTORE, maxLocals);
-                mv.visitVarInsn(ALOAD, 2);//response
-                if (rcs != null && rcs.length > 0) {
-                    mv.visitVarInsn(ALOAD, 0);
-                    mv.visitFieldInsn(GETFIELD, newDynName, REST_JSONCONVERT_FIELD_PREFIX + restConverts.size(), convertDesc);
-                    mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(" + convertDesc + futureDesc + ")V", false);
-                } else {
-                    mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(" + futureDesc + ")V", false);
-                }
-                mv.visitInsn(RETURN);
-                maxLocals++;
             } else {
                 mv.visitVarInsn(ASTORE, maxLocals);
                 mv.visitVarInsn(ALOAD, 2); //response
                 if (rcs != null && rcs.length > 0) {
                     mv.visitVarInsn(ALOAD, 0);
-                    mv.visitFieldInsn(GETFIELD, newDynName, REST_JSONCONVERT_FIELD_PREFIX + restConverts.size(), convertDesc);
+                    mv.visitFieldInsn(GETFIELD, newDynName, REST_JSONCONVERT_FIELD_PREFIX + restConverts.size(), jsonConvertDesc);
                     mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(" + convertDesc + "Ljava/lang/Object;)V", false);
+                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finish", "(" + convertDesc + "Ljava/lang/Object;)V", false);
                 } else {
                     mv.visitVarInsn(ALOAD, maxLocals);
-                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finishJson", "(Ljava/lang/Object;)V", false);
+                    mv.visitMethodInsn(INVOKEVIRTUAL, respInternalName, "finish", "(Ljava/lang/Object;)V", false);
                 }
                 mv.visitInsn(RETURN);
                 maxLocals++;
@@ -1609,13 +1667,13 @@ public final class Rest {
         }
 
         for (int i = 1; i <= restConverts.size(); i++) {
-            fv = cw.visitField(ACC_PRIVATE, REST_JSONCONVERT_FIELD_PREFIX + i, convertDesc, null, null);
+            fv = cw.visitField(ACC_PRIVATE, REST_JSONCONVERT_FIELD_PREFIX + i, jsonConvertDesc, null, null);
             fv.visitEnd();
         }
 
         //classMap.put("mappings", mappingMaps); //不显示太多信息
         { //toString函数
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
             //mv.setDebug(true);
             mv.visitLdcInsn(JsonConvert.root().convertTo(classMap));
             mv.visitInsn(ARETURN);
@@ -1665,6 +1723,30 @@ public final class Rest {
         return true;
     }
 
+    private static void pushInt(MethodDebugVisitor mv, int num) {
+        if (num < 6) {
+            mv.visitInsn(ICONST_0 + num);
+        } else if (num <= Byte.MAX_VALUE) {
+            mv.visitIntInsn(BIPUSH, num);
+        } else if (num <= Short.MAX_VALUE) {
+            mv.visitIntInsn(SIPUSH, num);
+        } else {
+            mv.visitLdcInsn(num);
+        }
+    }
+
+    private static void pushInt(MethodVisitor mv, int num) {
+        if (num < 6) {
+            mv.visitInsn(ICONST_0 + num);
+        } else if (num <= Byte.MAX_VALUE) {
+            mv.visitIntInsn(BIPUSH, num);
+        } else if (num <= Short.MAX_VALUE) {
+            mv.visitIntInsn(SIPUSH, num);
+        } else {
+            mv.visitLdcInsn(num);
+        }
+    }
+
     private static class RestClassLoader extends ClassLoader {
 
         public RestClassLoader(ClassLoader parent) {

src/org/redkale/net/http/RestConvert.java

@@ -26,6 +26,8 @@ public @interface RestConvert {
 
     boolean tiny() default true;
 
+    boolean skipIgnore() default false;
+
     Class type();
 
     String[] ignoreColumns() default {};

src/org/redkale/net/http/RestOnMessage.java

@@ -10,7 +10,12 @@ import static java.lang.annotation.ElementType.METHOD;
 import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
 /**
- * 标记在RestWebSocket的接收消息方法上
+ * 标记在RestWebSocket的接收消息方法上; <br>
+ * 注意：被标记的方法必须同时符合以下条件: <br>
+ * 1、必须修饰为public
+ * 2、不能修饰为final和static
+ * 3、返回值必须是void
+ * 4、不能throws检查型异常
  *
  * <br><p>
  * 详情见: https://redkale.org

src/org/redkale/net/http/RestParam.java

@@ -46,7 +46,7 @@ public @interface RestParam {
     int radix() default 10;
 
     /**
-     * 参数是否必传
+     * 参数是否必传, 仅供apidoc功能使用，框架运行中不作验证
      *
      * @return boolean
      */

src/org/redkale/net/http/RestWebSocket.java

@@ -12,6 +12,7 @@ import static java.lang.annotation.RetentionPolicy.RUNTIME;
 /**
  * 只能依附在WebSocket类上，name默认为Service的类名小写并去掉Service字样及后面的字符串 (如HelloWebSocket/HelloWebSocketImpl，的默认路径为 hello)。 <br>
  * <b>注意: </b> 被标记&#64;RestWebSocket的WebSocket不能被修饰为abstract或final，且其内部标记为&#64;Resource的字段只能是protected或public，且必须要有一个protected或public的空参数构造函数。 <br>
+ * name值支持含{system.property.xxx}模式
  * <p>
  * 详情见: https://redkale.org
  *
@@ -51,6 +52,13 @@ public @interface RestWebSocket {
      */
     boolean single() default true;
 
+    /**
+     * WebSocket.createUserid返回的值是否不能表示用户登录态， 比如createUserid返回随机的UUID那么anyuser应该为true
+     *
+     * @return 默认false
+     */
+    boolean anyuser() default false;
+
     /**
      * WebScoket服务器给客户端进行ping操作的间隔时间, 单位: 秒， 默认值：15秒
      *
@@ -58,6 +66,20 @@ public @interface RestWebSocket {
      */
     int liveinterval() default WebSocketServlet.DEFAILT_LIVEINTERVAL;
 
+    /**
+     * 最大连接数, 小于1表示无限制
+     *
+     * @return 最大连接数
+     */
+    int wsmaxconns() default 0;
+
+    /**
+     * 最大消息体长度, 小于1表示无限制
+     *
+     * @return 最大消息体长度
+     */
+    int wsmaxbody() default 32 * 1024;
+
     /**
      * 是否屏蔽该类的转换
      *

src/org/redkale/net/http/WebSocket.java

@@ -64,6 +64,9 @@ public abstract class WebSocket<G extends Serializable, T> {
     @Comment("WebSocket已离线")
     public static final int RETCODE_WSOFFLINE = 1 << 8; //256
 
+    @Comment("WebSocket将延迟发送")
+    public static final int RETCODE_DEAYSEND = 1 << 9; //512
+
     WebSocketRunner _runner; //不可能为空 
 
     WebSocketEngine _engine; //不可能为空 
@@ -90,6 +93,8 @@ public abstract class WebSocket<G extends Serializable, T> {
 
     private Map<String, Object> attributes = new HashMap<>(); //非线程安全
 
+    List<WebSocketPacket> delayPackets;
+
     protected WebSocket() {
     }
 
@@ -225,8 +230,15 @@ public abstract class WebSocket<G extends Serializable, T> {
      * @return 0表示成功， 非0表示错误码
      */
     CompletableFuture<Integer> sendPacket(WebSocketPacket packet) {
+        if (this._runner == null) {
+            if (delayPackets == null) delayPackets = new ArrayList<>();
+            delayPackets.add(packet);
+            return CompletableFuture.completedFuture(RETCODE_DEAYSEND);
+        }
         CompletableFuture<Integer> rs = this._runner.sendMessage(packet);
-        if (_engine.finest) _engine.logger.finest("userid:" + getUserid() + " send websocket message(" + packet + ")" + " on " + this);
+        if (_engine.logger.isLoggable(Level.FINEST) && packet != WebSocketPacket.DEFAULT_PING_PACKET) {
+            _engine.logger.finest("userid:" + getUserid() + " send websocket message(" + packet + ")" + " on " + this);
+        }
         return rs == null ? CompletableFuture.completedFuture(RETCODE_WSOCKET_CLOSED) : rs;
     }
 
@@ -342,7 +354,7 @@ public abstract class WebSocket<G extends Serializable, T> {
             return ((CompletableFuture) message).thenCompose((json) -> _engine.node.sendMessage(convert, json, last, userids));
         }
         CompletableFuture<Integer> rs = _engine.node.sendMessage(convert, message, last, userids);
-        if (_engine.finest) _engine.logger.finest("userids:" + Arrays.toString(userids) + " send websocket message(" + message + ")");
+        if (_engine.logger.isLoggable(Level.FINEST)) _engine.logger.finest("userids:" + Arrays.toString(userids) + " send websocket message(" + message + ")");
         return rs;
     }
 
@@ -357,6 +369,18 @@ public abstract class WebSocket<G extends Serializable, T> {
         return broadcastMessage((Convert) null, message, true);
     }
 
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange 过滤条件
+     * @param message 消息内容
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Object message) {
+        return broadcastMessage((WebSocketRange) null, (Convert) null, message, true);
+    }
+
     /**
      * 广播消息， 给所有人发消息
      *
@@ -369,6 +393,19 @@ public abstract class WebSocket<G extends Serializable, T> {
         return broadcastMessage(convert, message, true);
     }
 
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange 过滤条件
+     * @param convert Convert
+     * @param message 消息内容
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Convert convert, final Object message) {
+        return broadcastMessage((WebSocketRange) null, convert, message, true);
+    }
+
     /**
      * 广播消息， 给所有人发消息
      *
@@ -381,6 +418,19 @@ public abstract class WebSocket<G extends Serializable, T> {
         return broadcastMessage((Convert) null, message, last);
     }
 
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange 过滤条件
+     * @param message 消息内容
+     * @param last    是否最后一条
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Object message, final boolean last) {
+        return broadcastMessage(wsrange, (Convert) null, message, last);
+    }
+
     /**
      * 广播消息， 给所有人发消息
      *
@@ -391,12 +441,26 @@ public abstract class WebSocket<G extends Serializable, T> {
      * @return 为0表示成功， 其他值表示部分发送异常
      */
     public final CompletableFuture<Integer> broadcastMessage(final Convert convert, final Object message, final boolean last) {
+        return broadcastMessage((WebSocketRange) null, convert, message, last);
+    }
+
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange 过滤条件
+     * @param convert Convert
+     * @param message 消息内容
+     * @param last    是否最后一条
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Convert convert, final Object message, final boolean last) {
         if (_engine.node == null) return CompletableFuture.completedFuture(RETCODE_NODESERVICE_NULL);
         if (message instanceof CompletableFuture) {
-            return ((CompletableFuture) message).thenCompose((json) -> _engine.node.broadcastMessage(convert, json, last));
+            return ((CompletableFuture) message).thenCompose((json) -> _engine.node.broadcastMessage(wsrange, convert, json, last));
         }
-        CompletableFuture<Integer> rs = _engine.node.broadcastMessage(convert, message, last);
-        if (_engine.finest) _engine.logger.finest("broadcast send websocket message(" + message + ")");
+        CompletableFuture<Integer> rs = _engine.node.broadcastMessage(wsrange, convert, message, last);
+        if (_engine.logger.isLoggable(Level.FINEST)) _engine.logger.finest("broadcast send websocket message(" + message + ")");
         return rs;
     }
 
@@ -427,6 +491,18 @@ public abstract class WebSocket<G extends Serializable, T> {
         return _engine.node.getRpcNodeWebSocketAddresses(userid);
     }
 
+    /**
+     * 更改本WebSocket的userid
+     *
+     * @param newuserid 新用户ID，不能为null
+     *
+     * @return CompletableFuture
+     */
+    public CompletableFuture<Void> changeUserid(final G newuserid) {
+        if (newuserid == null) throw new NullPointerException("newuserid is null");
+        return _engine.changeUserid(this, newuserid);
+    }
+
     /**
      * 强制关闭用户的所有WebSocket
      *
@@ -585,6 +661,17 @@ public abstract class WebSocket<G extends Serializable, T> {
      */
     protected abstract CompletableFuture<G> createUserid();
 
+    /**
+     * WebSocket.broadcastMessage时的过滤条件
+     *
+     * @param wsrange 过滤条件
+     *
+     * @return boolean
+     */
+    protected boolean predicate(WebSocketRange wsrange) {
+        return true;
+    }
+
     /**
      * WebSokcet连接成功后的回调方法
      */
@@ -607,6 +694,19 @@ public abstract class WebSocket<G extends Serializable, T> {
     public void onPong(byte[] bytes) {
     }
 
+    /**
+     *
+     * 接收到消息前的拦截方法， ping/pong不在其内 <br>
+     * 注意：处理完后需要调用 messageEvent.run() 才能响应onMessage
+     *
+     * @param restmapping  Rest的方法名，没有则为空字符串
+     * @param param        onMessage方法的参数
+     * @param messageEvent onMessage事件
+     */
+    public void preOnMessage(String restmapping, WebSocketParam param, Runnable messageEvent) {
+        messageEvent.run();
+    }
+
     /**
      * 接收到消息的回调方法
      *
@@ -679,6 +779,15 @@ public abstract class WebSocket<G extends Serializable, T> {
         return this._runner == null ? 0 : this._runner.lastSendTime;
     }
 
+    /**
+     * 获取最后一次读取消息的时间
+     *
+     * @return long
+     */
+    public long getLastReadTime() {
+        return this._runner == null ? 0 : this._runner.lastReadTime;
+    }
+
     /**
      * 获取最后一次发送PING消息的时间
      *
@@ -692,7 +801,7 @@ public abstract class WebSocket<G extends Serializable, T> {
      * 显式地关闭WebSocket
      */
     public final void close() {
-        if (this._runner != null) this._runner.closeRunner(CLOSECODE_FORCED);
+        if (this._runner != null) this._runner.closeRunner(CLOSECODE_FORCED, "user close");
     }
 
     /**

src/org/redkale/net/http/WebSocketEngine.java

@@ -10,11 +10,12 @@ import java.io.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.*;
-import java.util.function.Predicate;
+import java.util.function.*;
 import java.util.logging.*;
 import java.util.stream.*;
 import org.redkale.convert.Convert;
 import static org.redkale.net.http.WebSocket.RETCODE_GROUP_EMPTY;
+import static org.redkale.net.http.WebSocketServlet.*;
 import org.redkale.util.*;
 
 /**
@@ -53,46 +54,58 @@ public class WebSocketEngine {
     @Comment("在线用户ID对应的WebSocket组，用于单用户多连接模式")
     private final Map<Serializable, List<WebSocket>> websockets2 = new ConcurrentHashMap<>();
 
+    @Comment("当前连接数")
+    protected final AtomicInteger currconns = new AtomicInteger();
+
     @Comment("用于PING的定时器")
     private ScheduledThreadPoolExecutor scheduler;
 
     @Comment("日志")
     protected final Logger logger;
 
-    @Comment("日志级别")
-    protected final boolean finest;
-
     @Comment("PING的间隔秒数")
-    private int liveinterval;
+    protected int liveinterval;
 
-    protected WebSocketEngine(String engineid, boolean single, HttpContext context, int liveinterval, WebSocketNode node, Convert sendConvert, Logger logger) {
+    @Comment("最大连接数, 为0表示无限制")
+    protected int wsmaxconns;
+
+    @Comment("最大消息体长度, 小于1表示无限制")
+    protected int wsmaxbody;
+
+    protected WebSocketEngine(String engineid, boolean single, HttpContext context, int liveinterval,
+        int wsmaxconns, int wsmaxbody, WebSocketNode node, Convert sendConvert, Logger logger) {
         this.engineid = engineid;
         this.single = single;
         this.context = context;
         this.sendConvert = sendConvert;
         this.node = node;
         this.liveinterval = liveinterval;
+        this.wsmaxconns = wsmaxconns;
+        this.wsmaxbody = wsmaxbody;
         this.logger = logger;
-        this.finest = logger.isLoggable(Level.FINEST);
         this.index = sequence.getAndIncrement();
     }
 
     void init(AnyValue conf) {
-        final int interval = conf == null ? (liveinterval < 0 ? DEFAILT_LIVEINTERVAL : liveinterval) : conf.getIntValue("liveinterval", (liveinterval < 0 ? DEFAILT_LIVEINTERVAL : liveinterval));
-        if (interval <= 0) return;
+        AnyValue props = conf;
+        if (conf != null && conf.getAnyValue("properties") != null) props = conf.getAnyValue("properties");
+        this.liveinterval = props == null ? (liveinterval < 0 ? DEFAILT_LIVEINTERVAL : liveinterval) : props.getIntValue(WEBPARAM__LIVEINTERVAL, (liveinterval < 0 ? DEFAILT_LIVEINTERVAL : liveinterval));
+        if (liveinterval <= 0) return;
+        if (props != null) this.wsmaxconns = props.getIntValue(WEBPARAM__WSMAXCONNS, this.wsmaxconns);
+        if (props != null) this.wsmaxbody = props.getIntValue(WEBPARAM__WSMAXBODY, this.wsmaxbody);
         if (scheduler != null) return;
         this.scheduler = new ScheduledThreadPoolExecutor(1, (Runnable r) -> {
             final Thread t = new Thread(r, engineid + "-WebSocket-LiveInterval-Thread");
             t.setDaemon(true);
             return t;
         });
-        long delay = (interval - System.currentTimeMillis() / 1000 % interval) + index * 5;
-        final int intervalms = interval * 1000;
+        long delay = (liveinterval - System.currentTimeMillis() / 1000 % liveinterval) + index * 5;
+        final int intervalms = liveinterval * 1000;
         scheduler.scheduleWithFixedDelay(() -> {
             long now = System.currentTimeMillis();
-            getLocalWebSockets().stream().filter(x -> (now - x.getLastSendTime()) > intervalms).forEach(x -> x.sendPing());
-        }, delay, interval, TimeUnit.SECONDS);
-        if (finest) logger.finest(this.getClass().getSimpleName() + "(" + engineid + ")" + " start keeplive(delay:" + delay + ", interval:" + interval + "s) scheduler executor");
+            getLocalWebSockets().stream().filter(x -> (now - x.getLastReadTime()) > intervalms).forEach(x -> x.sendPing());
+        }, delay, liveinterval, TimeUnit.SECONDS);
+        if (logger.isLoggable(Level.FINEST)) logger.finest(this.getClass().getSimpleName() + "(" + engineid + ")" + " start keeplive(wsmaxconns:" + wsmaxconns + ", delay:" + delay + "s, interval:" + liveinterval + "s) scheduler executor");
     }
 
     void destroy(AnyValue conf) {
@@ -102,6 +115,7 @@ public class WebSocketEngine {
     @Comment("添加WebSocket")
     void add(WebSocket socket) {
         if (single) {
+            currconns.incrementAndGet();
             websockets.put(socket._userid, socket);
         } else { //非线程安全， 在常规场景中无需锁
             List<WebSocket> list = websockets2.get(socket._userid);
@@ -109,6 +123,7 @@ public class WebSocketEngine {
                 list = new CopyOnWriteArrayList<>();
                 websockets2.put(socket._userid, list);
             }
+            currconns.incrementAndGet();
             list.add(socket);
         }
         if (node != null) node.connect(socket._userid);
@@ -118,11 +133,13 @@ public class WebSocketEngine {
     void remove(WebSocket socket) {
         Serializable userid = socket._userid;
         if (single) {
+            currconns.decrementAndGet();
             websockets.remove(userid);
             if (node != null) node.disconnect(userid);
         } else { //非线程安全， 在常规场景中无需锁
             List<WebSocket> list = websockets2.get(userid);
             if (list != null) {
+                currconns.decrementAndGet();
                 list.remove(socket);
                 if (list.isEmpty()) {
                     websockets2.remove(userid);
@@ -132,6 +149,31 @@ public class WebSocketEngine {
         }
     }
 
+    @Comment("更改WebSocket的userid")
+    CompletableFuture<Void> changeUserid(WebSocket socket, final Serializable newuserid) {
+        if (newuserid == null) throw new NullPointerException("newuserid is null");
+        final Serializable olduserid = socket._userid;
+        socket._userid = newuserid;
+        if (single) {
+            websockets.remove(olduserid);
+            websockets.put(newuserid, socket);
+        } else { //非线程安全， 在常规场景中无需锁
+            List<WebSocket> oldlist = websockets2.get(olduserid);
+            if (oldlist != null) {
+                oldlist.remove(socket);
+                if (oldlist.isEmpty()) websockets2.remove(olduserid);
+            }
+            List<WebSocket> newlist = websockets2.get(newuserid);
+            if (newlist == null) {
+                newlist = new CopyOnWriteArrayList<>();
+                websockets2.put(newuserid, newlist);
+            }
+            newlist.add(socket);
+        }
+        if (node != null) return node.changeUserid(olduserid, newuserid);
+        return CompletableFuture.completedFuture(null);
+    }
+
     @Comment("强制关闭本地用户的WebSocket")
     public int forceCloseLocalWebSocket(Serializable userid) {
         if (single) {
@@ -151,7 +193,13 @@ public class WebSocketEngine {
 
     @Comment("给所有连接用户发送消息")
     public CompletableFuture<Integer> broadcastMessage(final Object message, final boolean last) {
-        return broadcastMessage(null, message, last);
+        return broadcastMessage((Predicate) null, message, last);
+    }
+
+    @Comment("给指定WebSocket连接用户发送消息")
+    public CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Object message, final boolean last) {
+        Predicate<WebSocket> predicate = wsrange == null ? null : (ws) -> ws.predicate(wsrange);
+        return broadcastMessage(predicate, message, last);
     }
 
     @Comment("给指定WebSocket连接用户发送消息")
@@ -262,6 +310,17 @@ public class WebSocketEngine {
         }
     }
 
+    @Comment("获取最大连接数")
+    public int getLocalWsmaxconns() {
+        return this.wsmaxconns;
+    }
+
+    @Comment("连接数是否达到上限")
+    public boolean isLocalConnLimited() {
+        if (this.wsmaxconns < 1) return false;
+        return currconns.get() >= this.wsmaxconns;
+    }
+
     @Comment("获取所有连接")
     public Collection<WebSocket> getLocalWebSockets() {
         if (single) return websockets.values();
@@ -270,6 +329,16 @@ public class WebSocketEngine {
         return list;
     }
 
+    @Comment("获取所有连接")
+    public void forEachLocalWebSocket(Consumer<WebSocket> consumer) {
+        if (consumer == null) return;
+        if (single) {
+            websockets.values().stream().forEach(consumer);
+        } else {
+            websockets2.values().forEach(x -> x.stream().forEach(consumer));
+        }
+    }
+
     @Comment("获取当前连接总数")
     public int getLocalWebSocketSize() {
         if (single) return websockets.size();

src/org/redkale/net/http/WebSocketNode.java

@@ -15,6 +15,7 @@ import java.util.stream.Stream;
 import javax.annotation.*;
 import org.redkale.boot.*;
 import org.redkale.convert.*;
+import org.redkale.convert.json.JsonConvert;
 import org.redkale.service.*;
 import org.redkale.source.*;
 import org.redkale.util.*;
@@ -28,16 +29,17 @@ import org.redkale.util.*;
  */
 public abstract class WebSocketNode {
 
-    @Comment("存储当前SNCP节点列表的key")
-    public static final String SOURCE_SNCP_NODES_KEY = "redkale_sncpnodes";
+    @Comment("存储用户ID的key前缀")
+    public static final String SOURCE_SNCP_USERID_PREFIX = "sncpws_uid:";
 
-    @Comment("存储当前用户数量的key")
-    public static final String SOURCE_USER_COUNT_KEY = "redkale_usercount";
+    @Comment("存储用户数的key")
+    public static final String SOURCE_SNCP_USERCOUNT_KEY = "sncpws_usercount";
+
+    @Comment("存储当前SNCP节点列表的key")
+    public static final String SOURCE_SNCP_ADDRS_KEY = "sncpws_addrs";
 
     protected final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
 
-    protected final boolean finest = logger.isLoggable(Level.FINEST);
-
     //"SNCP_ADDR" 如果不是分布式(没有SNCP) 值为null
     @Resource(name = Application.RESNAME_SNCP_ADDR)
     protected InetSocketAddress localSncpAddress;  //为SncpServer的服务address
@@ -46,16 +48,20 @@ public abstract class WebSocketNode {
     @RpcRemote
     protected WebSocketNode remoteNode;
 
+    @Resource(name = "$_sendconvert")
+    protected Convert sendConvert;
+
     //存放所有用户分布在节点上的队列信息,Set<InetSocketAddress> 为 sncpnode 的集合， key: groupid
     //集合包含 localSncpAddress
     //如果不是分布式(没有SNCP)，sncpNodeAddresses 将不会被用到
-    @Resource(name = "$_nodes")
-    protected CacheSource<Serializable, InetSocketAddress> sncpNodeAddresses;
+    @Resource(name = "$")
+    protected CacheSource<InetSocketAddress> sncpNodeAddresses;
 
     //当前节点的本地WebSocketEngine
     protected WebSocketEngine localEngine;
 
     public void init(AnyValue conf) {
+        if (sncpNodeAddresses != null) sncpNodeAddresses.initValueType(InetSocketAddress.class);
     }
 
     public void destroy(AnyValue conf) {
@@ -66,7 +72,7 @@ public abstract class WebSocketNode {
         //关掉所有本地本地WebSocket
         this.localEngine.getLocalWebSockets().forEach(g -> disconnect(g.getUserid()));
         if (sncpNodeAddresses != null && localSncpAddress != null) {
-            sncpNodeAddresses.removeSetItem(SOURCE_SNCP_NODES_KEY, localSncpAddress);
+            sncpNodeAddresses.removeSetItem(SOURCE_SNCP_ADDRS_KEY, localSncpAddress);
         }
     }
 
@@ -74,25 +80,32 @@ public abstract class WebSocketNode {
 
     protected abstract CompletableFuture<Integer> sendMessage(@RpcTargetAddress InetSocketAddress targetAddress, Object message, boolean last, Serializable userid);
 
-    protected abstract CompletableFuture<Integer> broadcastMessage(@RpcTargetAddress InetSocketAddress targetAddress, Object message, boolean last);
+    protected abstract CompletableFuture<Integer> broadcastMessage(@RpcTargetAddress InetSocketAddress targetAddress, WebSocketRange wsrange, Object message, boolean last);
 
     protected abstract CompletableFuture<Void> connect(Serializable userid, InetSocketAddress addr);
 
     protected abstract CompletableFuture<Void> disconnect(Serializable userid, InetSocketAddress addr);
 
+    protected abstract CompletableFuture<Void> changeUserid(Serializable fromuserid, Serializable touserid, InetSocketAddress addr);
+
     protected abstract CompletableFuture<Integer> forceCloseWebSocket(Serializable userid, InetSocketAddress addr);
 
     //--------------------------------------------------------------------------------
     final CompletableFuture<Void> connect(final Serializable userid) {
-        if (finest) logger.finest(localSncpAddress + " receive websocket connect event (" + userid + " on " + this.localEngine.getEngineid() + ").");
+        if (logger.isLoggable(Level.FINEST)) logger.finest(localSncpAddress + " receive websocket connect event (" + userid + " on " + (this.localEngine == null ? null : this.localEngine.getEngineid()) + ").");
         return connect(userid, localSncpAddress);
     }
 
     final CompletableFuture<Void> disconnect(final Serializable userid) {
-        if (finest) logger.finest(localSncpAddress + " receive websocket disconnect event (" + userid + " on " + this.localEngine.getEngineid() + ").");
+        if (logger.isLoggable(Level.FINEST)) logger.finest(localSncpAddress + " receive websocket disconnect event (" + userid + " on " + (this.localEngine == null ? null : this.localEngine.getEngineid()) + ").");
         return disconnect(userid, localSncpAddress);
     }
 
+    final CompletableFuture<Void> changeUserid(Serializable olduserid, final Serializable newuserid) {
+        if (logger.isLoggable(Level.FINEST)) logger.finest(localSncpAddress + " receive websocket changeUserid event (from " + olduserid + " to " + newuserid + " on " + (this.localEngine == null ? null : this.localEngine.getEngineid()) + ").");
+        return changeUserid(olduserid, newuserid, localSncpAddress);
+    }
+
     //--------------------------------------------------------------------------------
     /**
      * 获取目标地址 <br>
@@ -122,7 +135,7 @@ public abstract class WebSocketNode {
      * @return 地址列表
      */
     public CompletableFuture<Collection<InetSocketAddress>> getRpcNodeAddresses(final Serializable userid) {
-        if (this.sncpNodeAddresses != null) return this.sncpNodeAddresses.getCollectionAsync(userid);
+        if (this.sncpNodeAddresses != null) return this.sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_USERID_PREFIX + userid);
         List<InetSocketAddress> rs = new ArrayList<>();
         rs.add(this.localSncpAddress);
         return CompletableFuture.completedFuture(rs);
@@ -140,7 +153,7 @@ public abstract class WebSocketNode {
     public CompletableFuture<Map<InetSocketAddress, List<String>>> getRpcNodeWebSocketAddresses(final Serializable userid) {
         CompletableFuture<Collection<InetSocketAddress>> sncpFuture = getRpcNodeAddresses(userid);
         return sncpFuture.thenCompose((Collection<InetSocketAddress> addrs) -> {
-            if (finest) logger.finest("websocket found userid:" + userid + " on " + addrs);
+            if (logger.isLoggable(Level.FINEST)) logger.finest("websocket found userid:" + userid + " on " + addrs);
             if (addrs == null || addrs.isEmpty()) return CompletableFuture.completedFuture(new HashMap<>());
             CompletableFuture<Map<InetSocketAddress, List<String>>> future = null;
             for (final InetSocketAddress nodeAddress : addrs) {
@@ -163,7 +176,7 @@ public abstract class WebSocketNode {
         if (this.localEngine != null && this.sncpNodeAddresses == null) {
             return CompletableFuture.completedFuture(this.localEngine.existsLocalWebSocket(userid));
         }
-        return this.sncpNodeAddresses.existsAsync(userid);
+        return this.sncpNodeAddresses.existsAsync(SOURCE_SNCP_USERID_PREFIX + userid);
     }
 
     /**
@@ -176,9 +189,7 @@ public abstract class WebSocketNode {
         if (this.localEngine != null && this.sncpNodeAddresses == null) {
             return CompletableFuture.completedFuture(this.localEngine.getLocalUserSize());
         }
-        return this.sncpNodeAddresses.getKeySizeAsync().thenCompose(count -> {
-            return sncpNodeAddresses.existsAsync(SOURCE_SNCP_NODES_KEY).thenApply(exists -> exists ? (count - 1) : count);
-        });
+        return this.sncpNodeAddresses.getLongAsync(SOURCE_SNCP_USERCOUNT_KEY, 0L).thenApply(v -> v.intValue());
     }
 
     /**
@@ -192,14 +203,14 @@ public abstract class WebSocketNode {
         CompletableFuture<Integer> localFuture = null;
         if (this.localEngine != null) localFuture = CompletableFuture.completedFuture(localEngine.forceCloseLocalWebSocket(userid));
         if (this.sncpNodeAddresses == null || this.remoteNode == null) {
-            if (finest) logger.finest("websocket remote node is null");
+            if (logger.isLoggable(Level.FINEST)) logger.finest("websocket remote node is null");
             //没有CacheSource就不会有分布式节点
             return localFuture;
         }
         //远程节点关闭
-        CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(userid);
+        CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_USERID_PREFIX + userid);
         CompletableFuture<Integer> remoteFuture = addrsFuture.thenCompose((Collection<InetSocketAddress> addrs) -> {
-            if (finest) logger.finest("websocket found userid:" + userid + " on " + addrs);
+            if (logger.isLoggable(Level.FINEST)) logger.finest("websocket found userid:" + userid + " on " + addrs);
             if (addrs == null || addrs.isEmpty()) return CompletableFuture.completedFuture(0);
             CompletableFuture<Integer> future = null;
             for (InetSocketAddress addr : addrs) {
@@ -338,14 +349,16 @@ public abstract class WebSocketNode {
      */
     public final CompletableFuture<Integer> sendMessage(final Convert convert, final Object message0, final boolean last, final Serializable... userids) {
         if (userids == null || userids.length < 1) return CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY);
+        if (message0 instanceof CompletableFuture) return ((CompletableFuture) message0).thenApply(msg -> sendMessage(convert, msg, last, userids));
         final Object message = (convert == null || message0 instanceof WebSocketPacket) ? message0 : ((convert instanceof TextConvert) ? new WebSocketPacket(((TextConvert) convert).convertTo(message0), last) : new WebSocketPacket(((BinaryConvert) convert).convertTo(message0), last));
         if (this.localEngine != null && this.sncpNodeAddresses == null) { //本地模式且没有分布式
             return this.localEngine.sendMessage(message, last, userids);
         }
+        final Object remoteMessage = formatRemoteMessage(message0);
         CompletableFuture<Integer> future = null;
         for (Serializable userid : userids) {
-            future = future == null ? sendOneMessage(message, last, userid)
-                : future.thenCombine(sendOneMessage(message, last, userid), (a, b) -> a | b);
+            future = future == null ? sendOneMessage(remoteMessage, last, userid)
+                : future.thenCombine(sendOneMessage(remoteMessage, last, userid), (a, b) -> a | b);
         }
         return future == null ? CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY) : future;
     }
@@ -361,6 +374,18 @@ public abstract class WebSocketNode {
         return broadcastMessage((Convert) null, message, true);
     }
 
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange 过滤条件
+     * @param message 消息内容
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Object message) {
+        return broadcastMessage(wsrange, (Convert) null, message, true);
+    }
+
     /**
      * 广播消息， 给所有人发消息
      *
@@ -373,6 +398,19 @@ public abstract class WebSocketNode {
         return broadcastMessage(convert, message, true);
     }
 
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange 过滤条件
+     * @param convert Convert
+     * @param message 消息内容
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Convert convert, final Object message) {
+        return broadcastMessage(wsrange, convert, message, true);
+    }
+
     /**
      * 广播消息， 给所有人发消息
      *
@@ -385,6 +423,19 @@ public abstract class WebSocketNode {
         return broadcastMessage((Convert) null, message, last);
     }
 
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange 过滤条件
+     * @param message 消息内容
+     * @param last    是否最后一条
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Object message, final boolean last) {
+        return broadcastMessage(wsrange, (Convert) null, message, last);
+    }
+
     /**
      * 广播消息， 给所有人发消息
      *
@@ -395,20 +446,36 @@ public abstract class WebSocketNode {
      * @return 为0表示成功， 其他值表示部分发送异常
      */
     public final CompletableFuture<Integer> broadcastMessage(final Convert convert, final Object message0, final boolean last) {
+        return broadcastMessage((WebSocketRange) null, convert, message0, last);
+    }
+
+    /**
+     * 广播消息， 给所有人发消息
+     *
+     * @param wsrange  过滤条件
+     * @param convert  Convert
+     * @param message0 消息内容
+     * @param last     是否最后一条
+     *
+     * @return 为0表示成功， 其他值表示部分发送异常
+     */
+    public final CompletableFuture<Integer> broadcastMessage(final WebSocketRange wsrange, final Convert convert, final Object message0, final boolean last) {
+        if (message0 instanceof CompletableFuture) return ((CompletableFuture) message0).thenApply(msg -> broadcastMessage(wsrange, convert, msg, last));
         final Object message = (convert == null || message0 instanceof WebSocketPacket) ? message0 : ((convert instanceof TextConvert) ? new WebSocketPacket(((TextConvert) convert).convertTo(message0), last) : new WebSocketPacket(((BinaryConvert) convert).convertTo(message0), last));
         if (this.localEngine != null && this.sncpNodeAddresses == null) { //本地模式且没有分布式
-            return this.localEngine.broadcastMessage(message, last);
+            return this.localEngine.broadcastMessage(wsrange, message, last);
         }
-        CompletableFuture<Integer> localFuture = this.localEngine == null ? null : this.localEngine.broadcastMessage(message, last);
-        CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync("redkale_sncpnodes");
+        final Object remoteMessage = formatRemoteMessage(message);
+        CompletableFuture<Integer> localFuture = this.localEngine == null ? null : this.localEngine.broadcastMessage(wsrange, message, last);
+        CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_ADDRS_KEY);
         CompletableFuture<Integer> remoteFuture = addrsFuture.thenCompose((Collection<InetSocketAddress> addrs) -> {
-            if (finest) logger.finest("websocket broadcast message on " + addrs);
+            if (logger.isLoggable(Level.FINEST)) logger.finest("websocket broadcast message (" + remoteMessage + ") on " + addrs);
             if (addrs == null || addrs.isEmpty()) return CompletableFuture.completedFuture(0);
             CompletableFuture<Integer> future = null;
             for (InetSocketAddress addr : addrs) {
                 if (addr == null || addr.equals(localSncpAddress)) continue;
-                future = future == null ? remoteNode.broadcastMessage(addr, message, last)
-                    : future.thenCombine(remoteNode.broadcastMessage(addr, message, last), (a, b) -> a | b);
+                future = future == null ? remoteNode.broadcastMessage(addr, wsrange, remoteMessage, last)
+                    : future.thenCombine(remoteNode.broadcastMessage(addr, wsrange, remoteMessage, last), (a, b) -> a | b);
             }
             return future == null ? CompletableFuture.completedFuture(0) : future;
         });
@@ -416,27 +483,41 @@ public abstract class WebSocketNode {
     }
 
     private CompletableFuture<Integer> sendOneMessage(final Object message, final boolean last, final Serializable userid) {
-        if (finest) logger.finest("websocket want send message {userid:" + userid + ", content:'" + message + "'} from locale node to locale engine");
+        if (message instanceof CompletableFuture) return ((CompletableFuture) message).thenApply(msg -> sendOneMessage(msg, last, userid));
+        if (logger.isLoggable(Level.FINEST)) logger.finest("websocket want send message {userid:" + userid + ", content:'" + JsonConvert.root().convertTo(message) + "'} from locale node to " + ((this.localEngine != null) ? "locale" : "remote") + " engine");
         CompletableFuture<Integer> localFuture = null;
         if (this.localEngine != null) localFuture = localEngine.sendMessage(message, last, userid);
         if (this.sncpNodeAddresses == null || this.remoteNode == null) {
-            if (finest) logger.finest("websocket remote node is null");
+            if (logger.isLoggable(Level.FINEST)) logger.finest("websocket remote node is null");
             //没有CacheSource就不会有分布式节点
             return localFuture == null ? CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY) : localFuture;
         }
         //远程节点发送消息
-        CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(userid);
+        final Object remoteMessage = formatRemoteMessage(message);
+        CompletableFuture<Collection<InetSocketAddress>> addrsFuture = sncpNodeAddresses.getCollectionAsync(SOURCE_SNCP_USERID_PREFIX + userid);
         CompletableFuture<Integer> remoteFuture = addrsFuture.thenCompose((Collection<InetSocketAddress> addrs) -> {
-            if (finest) logger.finest("websocket found userid:" + userid + " on " + addrs);
-            if (addrs == null || addrs.isEmpty()) return CompletableFuture.completedFuture(0);
+            if (addrs == null || addrs.isEmpty()) {
+                if (logger.isLoggable(Level.FINER)) logger.finer("websocket not found userid:" + userid + " on any node ");
+                return CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY);
+            }
+            if (logger.isLoggable(Level.FINEST)) logger.finest("websocket(localaddr=" + localSncpAddress + ") found userid:" + userid + " on " + addrs);
             CompletableFuture<Integer> future = null;
             for (InetSocketAddress addr : addrs) {
                 if (addr == null || addr.equals(localSncpAddress)) continue;
-                future = future == null ? remoteNode.sendMessage(addr, message, last, userid)
-                    : future.thenCombine(remoteNode.sendMessage(addr, message, last, userid), (a, b) -> a | b);
+                future = future == null ? remoteNode.sendMessage(addr, remoteMessage, last, userid)
+                    : future.thenCombine(remoteNode.sendMessage(addr, remoteMessage, last, userid), (a, b) -> a | b);
             }
-            return future == null ? CompletableFuture.completedFuture(0) : future;
+            return future == null ? CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY) : future;
         });
         return localFuture == null ? remoteFuture : localFuture.thenCombine(remoteFuture, (a, b) -> a | b);
     }
+
+    private Object formatRemoteMessage(Object message) {
+        if (message instanceof WebSocketPacket) return message;
+        if (message instanceof byte[]) return message;
+        if (message instanceof CharSequence) return message;
+        if (sendConvert instanceof TextConvert) ((TextConvert) sendConvert).convertTo(message);
+        if (sendConvert instanceof BinaryConvert) ((BinaryConvert) sendConvert).convertTo(message);
+        return JsonConvert.root().convertTo(message);
+    }
 }

src/org/redkale/net/http/WebSocketPacket.java

@@ -8,6 +8,8 @@ package org.redkale.net.http;
 import org.redkale.util.Utility;
 import java.io.*;
 import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.util.AbstractMap;
 import java.util.function.Supplier;
 import java.util.logging.*;
 import org.redkale.convert.*;
@@ -21,8 +23,16 @@ import org.redkale.convert.*;
  */
 public final class WebSocketPacket {
 
+    private static final Charset UTF_8 = Charset.forName("UTF-8");
+
+    static final WebSocketPacket NONE = new WebSocketPacket();
+
     public static final WebSocketPacket DEFAULT_PING_PACKET = new WebSocketPacket(FrameType.PING, new byte[0]);
 
+    public static enum MessageType {
+        STRING, BYTES, OBJECT;
+    }
+
     public static enum FrameType {
 
         TEXT(0x01), BINARY(0x02), CLOSE(0x08), PING(0x09), PONG(0x0A);
@@ -57,14 +67,24 @@ public final class WebSocketPacket {
 
     protected boolean last = true;
 
+    //---------------发送------------------------
     Object sendJson;
 
     Convert sendConvert;
 
-    boolean mapconvable;
+    boolean sendMapconvable;
 
     ByteBuffer[] sendBuffers;
 
+    //---------------接收------------------------
+    MessageType receiveType;
+
+    int receiveCount;
+
+    int receiveLength;
+
+    Object receiveMessage;
+
     ConvertMask receiveMasker;
 
     ByteBuffer[] receiveBuffers;
@@ -119,7 +139,7 @@ public final class WebSocketPacket {
     WebSocketPacket(Convert convert, boolean mapconvable, Object json, boolean fin) {
         this.type = (convert == null || !convert.isBinary()) ? FrameType.TEXT : FrameType.BINARY;
         this.sendConvert = convert;
-        this.mapconvable = mapconvable;
+        this.sendMapconvable = mapconvable;
         this.sendJson = json;
         this.last = fin;
         if (mapconvable && !(json instanceof Object[])) throw new IllegalArgumentException();
@@ -183,7 +203,7 @@ public final class WebSocketPacket {
 
     @Override
     public String toString() {
-        return this.getClass().getSimpleName() + "[type=" + type + ", last=" + last + (payload != null ? (", payload=" + payload) : "") + (bytes != null ? (", bytes=[" + bytes.length + ']') : "") + (sendJson != null ? (", json=" + sendJson) : "") + "]";
+        return this.getClass().getSimpleName() + "[type=" + type + ", last=" + last + (payload != null ? (", payload=" + payload) : "") + (bytes != null ? (", bytes=[" + bytes.length + ']') : (receiveLength > 0 ? (", receivemsg=" + (receiveMessage instanceof byte[] ? ("byte[" + ((byte[]) receiveMessage).length + "]") : receiveMessage)) : "")) + (sendJson != null ? (", json=" + (sendMapconvable ? Utility.ofMap((Object[]) sendJson) : sendJson)) : "") + "]";
     }
 
     /**
@@ -211,7 +231,7 @@ public final class WebSocketPacket {
                     return supplier.get();
                 }
             };
-            ByteBuffer[] buffers = this.mapconvable ? this.sendConvert.convertMapTo(supplier, (Object[]) sendJson) : this.sendConvert.convertTo(newsupplier, sendJson);
+            ByteBuffer[] buffers = this.sendMapconvable ? this.sendConvert.convertMapTo(newsupplier, (Object[]) sendJson) : this.sendConvert.convertTo(newsupplier, sendJson);
             int len = 0;
             for (ByteBuffer buf : buffers) {
                 len += buf.remaining();
@@ -290,6 +310,21 @@ public final class WebSocketPacket {
 //        String rs = JsonConvert.root().convertFrom(String.class, masker, buffer);
 //        System.out.println(rs);
 //    }
+    /**
+     *
+     * @param webSocket  WebSocket
+     * @param readBuffer ByteBuffer
+     *
+     * @return boolean 已接收完返回true， 需要继续接收body返回false；
+     */
+    boolean receiveBody(WebSocket webSocket, ByteBuffer readBuffer) {
+        int need = receiveLength - receiveCount;
+        boolean over = readBuffer.remaining() >= need;
+        this.receiveBuffers = Utility.append(this.receiveBuffers, readBuffer);
+        if (over) parseReceiveMessage(webSocket, this.receiveBuffers);
+        return over;
+    }
+
     /**
      * 消息解码  <br>
      *
@@ -315,26 +350,25 @@ public final class WebSocketPacket {
      * @param buffer
      * @param exbuffers
      *
-     * @return
+     * @return 返回NONE表示Buffer内容不够； 返回this表示解析完成或部分解析完成；返回null表示解析异常；
      */
-    WebSocketPacket decode(final Logger logger, final ByteBuffer buffer, ByteBuffer... exbuffers) {
+    WebSocketPacket decode(final Logger logger, final WebSocket webSocket, final int wsmaxbody,
+        final AbstractMap.SimpleEntry<String, byte[]> halfBytes, final ByteBuffer buffer) {
+        //开始
         final boolean debug = false; //调试开关
-        if (debug) {
-            int remain = buffer.remaining();
-            if (exbuffers != null) {
-                for (ByteBuffer b : exbuffers) {
-                    remain += b == null ? 0 : b.remaining();
-                }
-            }
-            logger.log(Level.FINEST, "read websocket message's length = " + remain);
+        if (debug) logger.log(Level.FINEST, "read websocket message's length = " + buffer.remaining());
+        if (!buffer.hasRemaining()) return NONE;
+        if (buffer.remaining() < 2) {
+            byte[] bs = new byte[buffer.remaining()];
+            buffer.get(bs);
+            halfBytes.setValue(bs);
+            return NONE;
         }
-        if (buffer.remaining() < 2) return null;
-        byte opcode = buffer.get();
+        final byte opcode = buffer.get();   //第一个字节
         this.last = (opcode & 0b1000_0000) != 0;
         this.type = FrameType.valueOf(opcode & 0xF);
         if (type == FrameType.CLOSE) {
             if (debug) logger.log(Level.FINEST, " receive close command from websocket client");
-            return this;
         }
         final boolean checkrsv = false;//暂时不校验
         if (checkrsv && (opcode & 0b0111_0000) != 0) {
@@ -350,9 +384,23 @@ public final class WebSocketPacket {
         //0xA 表示一个pong
         //0x0B-0F 为以后的控制帧保留
         final boolean control = (opcode & 0b0000_1000) != 0; //是否控制帧
-        byte lengthCode = buffer.get();
+        final byte crcode = buffer.get();  //第二个字节
+
+        byte lengthCode = crcode;
         final boolean masked = (lengthCode & 0x80) == 0x80;
         if (masked) lengthCode ^= 0x80; //mask
+
+        //判断Buffer剩余内容够不够基本信息的创建
+        int minBufferLength = ((lengthCode <= 0x7D) ? 0 : (lengthCode == 0x7E ? 2 : 4)) + (masked ? 4 : 0);
+        if (buffer.remaining() < minBufferLength) {
+            byte[] bs = new byte[2 + buffer.remaining()];
+            bs[0] = opcode;
+            bs[1] = crcode;
+            buffer.get(bs, 2, buffer.remaining());
+            halfBytes.setValue(bs);
+            return NONE;
+        }
+
         int length;
         if (lengthCode <= 0x7D) { //125
             length = lengthCode;
@@ -367,6 +415,11 @@ public final class WebSocketPacket {
                 length = buffer.getInt();
             }
         }
+        if (length > wsmaxbody && wsmaxbody > 0) {
+            if (debug) logger.log(Level.FINE, "message length (" + length + ") too big, must less " + wsmaxbody + "");
+            return null;
+        }
+        this.receiveLength = length;
         if (masked) {
             final byte[] masks = new byte[4];
             buffer.get(masks);
@@ -380,25 +433,65 @@ public final class WebSocketPacket {
                 }
             };
         }
-        this.receiveBuffers = Utility.append(new ByteBuffer[]{buffer}, exbuffers);
+        if (buffer.remaining() >= this.receiveLength) { //内容足够， 可以解析
+            this.parseReceiveMessage(webSocket, buffer);
+            this.receiveCount = this.receiveLength;
+        } else {
+            this.receiveCount = buffer.remaining();
+            this.receiveBuffers = buffer.hasRemaining() ? new ByteBuffer[]{buffer} : null;
+        }
         return this;
     }
 
-    byte[] getReceiveBytes() {
-        if (this.receiveBuffers.length == 0) return new byte[0];
-        if (this.receiveBuffers.length == 1 && this.receiveBuffers[0].remaining() == 0) return new byte[0];
-
-        int count = 0;
-        for (ByteBuffer buf : this.receiveBuffers) {
-            count += buf.remaining();
+    void parseReceiveMessage(WebSocket webSocket, ByteBuffer... buffers) {
+        if (this.type == FrameType.TEXT) {
+            Convert textConvert = webSocket.getTextConvert();
+            if (textConvert == null) {
+                this.receiveMessage = new String(this.getReceiveBytes(buffers), UTF_8);
+                this.receiveType = MessageType.STRING;
+            } else {
+                this.receiveMessage = textConvert.convertFrom(webSocket._messageTextType, this.receiveMasker, buffers);
+                this.receiveCount = this.receiveLength;
+                this.receiveType = MessageType.OBJECT;
+            }
+        } else if (this.type == FrameType.BINARY) {
+            Convert binaryConvert = webSocket.getBinaryConvert();
+            if (binaryConvert == null) {
+                this.receiveMessage = this.getReceiveBytes(buffers);
+                this.receiveType = MessageType.BYTES;
+            } else {
+                this.receiveMessage = binaryConvert.convertFrom(webSocket._messageTextType, this.receiveMasker, buffers);
+                this.receiveCount = this.receiveLength;
+                this.receiveType = MessageType.OBJECT;
+            }
+        } else if (this.type == FrameType.PING) {
+            this.receiveMessage = this.getReceiveBytes(buffers);
+            this.receiveType = MessageType.BYTES;
+        } else if (this.type == FrameType.PONG) {
+            this.receiveMessage = this.getReceiveBytes(buffers);
+            this.receiveType = MessageType.BYTES;
+        } else if (this.type == FrameType.CLOSE) {
+            this.receiveMessage = this.getReceiveBytes(buffers);
+            this.receiveType = MessageType.BYTES;
         }
-        byte[] bs = new byte[count];
+    }
+
+    boolean isReceiveFinished() {
+        return this.receiveLength <= this.receiveCount;
+    }
+
+    byte[] getReceiveBytes(ByteBuffer... buffers) {
+        final int length = this.receiveLength;
+        if (length == 0) return new byte[0];
+        byte[] bs = new byte[length];
         int index = 0;
-        for (ByteBuffer buf : this.receiveBuffers) {
-            int r = buf.remaining();
+        for (ByteBuffer buf : buffers) {
+            int r = Math.min(buf.remaining(), length - index);
             buf.get(bs, index, r);
             index += r;
+            if (index >= length) break;
         }
+        this.receiveCount = index;
         ConvertMask mask = this.receiveMasker;
         if (mask != null) {
             for (int i = 0; i < bs.length; i++) {
@@ -407,4 +500,5 @@ public final class WebSocketPacket {
         }
         return bs;
     }
+
 }

src/org/redkale/net/http/WebSocketParam.java

@@ -0,0 +1,21 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net.http;
+
+/**
+ *
+ * 供WebSocket.preOnMessage 方法获取RestWebSocket里OnMessage方法的参数  <br>
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public interface WebSocketParam {
+
+    public <T> T getValue(String name);
+    
+    public String[] getNames();
+}

src/org/redkale/net/http/WebSocketRange.java

@@ -0,0 +1,58 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.redkale.net.http;
+
+import java.io.Serializable;
+import java.util.Map;
+import org.redkale.convert.json.JsonConvert;
+
+/**
+ * WebSocket.broadcastMessage时的过滤条件
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class WebSocketRange implements Serializable {
+    
+    protected String wskey;
+    
+    protected Map<String, String> attach;
+    
+    public WebSocketRange() {
+    }
+    
+    public WebSocketRange(String wskey) {
+        this.wskey = wskey;
+    }
+    
+    public WebSocketRange(String wskey, Map<String, String> attach) {
+        this.wskey = wskey;
+        this.attach = attach;
+    }
+    
+    public String getWskey() {
+        return wskey;
+    }
+    
+    public void setWskey(String wskey) {
+        this.wskey = wskey;
+    }
+    
+    public Map<String, String> getAttach() {
+        return attach;
+    }
+    
+    public void setAttach(Map<String, String> attach) {
+        this.attach = attach;
+    }
+
+    @Override
+    public String toString() {
+        return JsonConvert.root().convertTo(this);
+    }
+}

src/org/redkale/net/http/WebSocketRunner.java

@@ -12,12 +12,11 @@ import org.redkale.net.http.WebSocketPacket.FrameType;
 import java.nio.ByteBuffer;
 import java.nio.channels.*;
 import java.util.*;
+import java.util.AbstractMap.SimpleEntry;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.BiConsumer;
 import java.util.logging.*;
-import org.redkale.convert.Convert;
-import org.redkale.util.Utility;
 
 /**
  * WebSocket的消息接收发送器, 一个WebSocket对应一个WebSocketRunner
@@ -41,13 +40,15 @@ class WebSocketRunner implements Runnable {
 
     volatile boolean closed = false;
 
-    private AtomicBoolean writing = new AtomicBoolean();
+    private final AtomicBoolean writing = new AtomicBoolean();
 
     private final BlockingQueue<QueueEntry> queue = new ArrayBlockingQueue(1024);
 
     private final BiConsumer<WebSocket, Object> restMessageConsumer;  //主要供RestWebSocket使用
 
     protected long lastSendTime;
+    
+    protected long lastReadTime;
 
     WebSocketRunner(Context context, WebSocket webSocket, BiConsumer<WebSocket, Object> messageConsumer, AsyncConnection channel) {
         this.context = context;
@@ -60,212 +61,173 @@ class WebSocketRunner implements Runnable {
 
     @Override
     public void run() {
-        final boolean debug = true;
+        final boolean debug = context.getLogger().isLoggable(Level.FINEST);
         try {
             webSocket.onConnected();
             channel.setReadTimeoutSecond(300); //读取超时5分钟
             if (channel.isOpen()) {
+                final int wsmaxbody = webSocket._engine.wsmaxbody;
                 channel.read(readBuffer, null, new CompletionHandler<Integer, Void>() {
 
-                    private ByteBuffer recentExBuffer;
+                    //尚未解析完的数据包
+                    private WebSocketPacket unfinishPacket;
 
                     //当接收的数据流长度大于ByteBuffer长度时， 则需要额外的ByteBuffer 辅助;
-                    private final List<ByteBuffer> readBuffers = new ArrayList<>();
+                    private final List<ByteBuffer> exBuffers = new ArrayList<>();
+
+                    private final SimpleEntry<String, byte[]> halfBytes = new SimpleEntry("", null);
 
                     @Override
                     public void completed(Integer count, Void attachment1) {
-                        if (count < 1 && readBuffers.isEmpty()) {
-                            closeRunner(0);
+                        if (count < 1) {
                             if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on read buffer count, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds");
+                            closeRunner(0, "read buffer count is " + count);
                             return;
                         }
                         if (readBuffer == null) return;
-                        if (!readBuffer.hasRemaining() && (recentExBuffer == null || !recentExBuffer.hasRemaining())) {
-                            final ByteBuffer buffer = context.pollBuffer();
-                            recentExBuffer = buffer;
-                            readBuffers.add(buffer);
-                            channel.read(buffer, null, this);
-                            return;
-                        }
+                        lastReadTime = System.currentTimeMillis();
                         readBuffer.flip();
 
-                        ByteBuffer[] exBuffers = null;
-                        if (!readBuffers.isEmpty()) {
-                            exBuffers = readBuffers.toArray(new ByteBuffer[readBuffers.size()]);
-                            readBuffers.clear();
-                            recentExBuffer = null;
-                            for (ByteBuffer b : exBuffers) {
-                                b.flip();
+                        WebSocketPacket onePacket = null;
+                        if (unfinishPacket != null) {
+                            if (unfinishPacket.receiveBody(webSocket, readBuffer)) { //已经接收完毕
+                                onePacket = unfinishPacket;
+                                unfinishPacket = null;
+                                for (ByteBuffer b : exBuffers) {
+                                    context.offerBuffer(b);
+                                }
+                                exBuffers.clear();
+                            } else { //需要继续接收
+                                readBuffer = context.pollBuffer();
+                                channel.read(readBuffer, null, this);
+                                return;
                             }
                         }
 
+                        final List<WebSocketPacket> packets = new ArrayList<>();
+                        if (onePacket != null) packets.add(onePacket);
                         try {
-                            WebSocketPacket packet;
-                            try {
-                                packet = new WebSocketPacket().decode(context.getLogger(), readBuffer, exBuffers);
-                            } catch (Exception e) { //接收的消息体解析失败
-                                webSocket.onOccurException(e, Utility.append(new ByteBuffer[]{readBuffer}, exBuffers == null ? new ByteBuffer[0] : exBuffers));
-                                if (readBuffer != null) {
-                                    readBuffer.clear();
-                                    channel.read(readBuffer, null, this);
+                            while (true) {
+                                WebSocketPacket packet = new WebSocketPacket().decode(context.getLogger(), webSocket, wsmaxbody, halfBytes, readBuffer);
+                                if (packet == WebSocketPacket.NONE) break; //解析完毕但是buffer有多余字节
+                                if (packet != null && !packet.isReceiveFinished()) {
+                                    unfinishPacket = packet;
+                                    if (readBuffer.hasRemaining()) {
+                                        exBuffers.add(readBuffer);
+                                        readBuffer = context.pollBuffer();
+                                    }
+                                    break;
                                 }
-                                return;
+                                packets.add(packet);
+                                if (packet == null || !readBuffer.hasRemaining()) break;
                             }
+                        } catch (Exception e) {
+                            context.getLogger().log(Level.SEVERE, "WebSocket parse message error", e);
+                            webSocket.onOccurException(e, null);
+                        }
+                        //继续监听消息
+                        readBuffer.clear();
+                        if (halfBytes.getValue() != null) {
+                            readBuffer.put(halfBytes.getValue());
+                            halfBytes.setValue(null);
+                        }
+                        channel.read(readBuffer, null, this);
+
+                        //消息处理
+                        for (final WebSocketPacket packet : packets) {
                             if (packet == null) {
-                                failed(null, attachment1);
                                 if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on decode WebSocketPacket, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds");
+                                failed(null, attachment1);
                                 return;
                             }
 
                             if (packet.type == FrameType.TEXT) {
-                                Convert textConvert = webSocket.getTextConvert();
-                                if (textConvert == null) {
-                                    byte[] message = packet.getReceiveBytes();
-                                    if (readBuffer != null) {
-                                        readBuffer.clear();
-                                        channel.read(readBuffer, null, this);
-                                    }
-                                    try {
-                                        webSocket.onMessage(new String(message, "UTF-8"), packet.last);
-                                    } catch (Exception e) {
-                                        context.getLogger().log(Level.SEVERE, "WebSocket onBinaryMessage error (" + packet + ")", e);
-                                    }
-                                } else {
-                                    Object message;
-                                    try {
-                                        message = textConvert.convertFrom(webSocket._messageTextType, packet.receiveMasker, packet.receiveBuffers);
-                                    } catch (Exception e) { //接收的消息体解析失败
-                                        webSocket.onOccurException(e, packet.receiveBuffers);
-                                        if (readBuffer != null) {
-                                            readBuffer.clear();
-                                            channel.read(readBuffer, null, this);
-                                        }
-                                        return;
-                                    }
-                                    if (readBuffer != null) {
-                                        readBuffer.clear();
-                                        channel.read(readBuffer, null, this);
-                                    }
-                                    try {
+                                try {
+                                    if (packet.receiveType == WebSocketPacket.MessageType.STRING) {
+                                        webSocket.onMessage((String) packet.receiveMessage, packet.last);
+                                    } else {
                                         if (restMessageConsumer != null) { //主要供RestWebSocket使用
-                                            restMessageConsumer.accept(webSocket, message);
+                                            restMessageConsumer.accept(webSocket, packet.receiveMessage);
                                         } else {
-                                            webSocket.onMessage(message, packet.last);
+                                            webSocket.onMessage(packet.receiveMessage, packet.last);
                                         }
-                                    } catch (Exception e) {
-                                        context.getLogger().log(Level.SEVERE, "WebSocket onTextMessage error (" + packet + ")", e);
                                     }
+                                } catch (Throwable e) {
+                                    context.getLogger().log(Level.SEVERE, "WebSocket onTextMessage error (" + packet + ")", e);
                                 }
                             } else if (packet.type == FrameType.BINARY) {
-                                Convert binaryConvert = webSocket.getBinaryConvert();
-                                if (binaryConvert == null) {
-                                    byte[] message = packet.getReceiveBytes();
-                                    if (readBuffer != null) {
-                                        readBuffer.clear();
-                                        channel.read(readBuffer, null, this);
-                                    }
-                                    try {
-                                        webSocket.onMessage(message, packet.last);
-                                    } catch (Exception e) {
-                                        context.getLogger().log(Level.SEVERE, "WebSocket onBinaryMessage error (" + packet + ")", e);
-                                    }
-                                } else {
-                                    Object message;
-                                    try {
-                                        message = binaryConvert.convertFrom(webSocket._messageTextType, packet.receiveMasker, packet.receiveBuffers);
-                                    } catch (Exception e) {  //接收的消息体解析失败
-                                        webSocket.onOccurException(e, packet.receiveBuffers);
-                                        if (readBuffer != null) {
-                                            readBuffer.clear();
-                                            channel.read(readBuffer, null, this);
-                                        }
-                                        return;
-                                    }
-                                    if (readBuffer != null) {
-                                        readBuffer.clear();
-                                        channel.read(readBuffer, null, this);
-                                    }
-                                    try {
-                                        if (restMessageConsumer != null) { //主要供RestWebSocket使用
-                                            restMessageConsumer.accept(webSocket, message);
-                                        } else {
-                                            webSocket.onMessage(message, packet.last);
-                                        }
-                                    } catch (Exception e) {
-                                        context.getLogger().log(Level.SEVERE, "WebSocket onTextMessage error (" + packet + ")", e);
-                                    }
-                                }
-                            } else if (packet.type == FrameType.PONG) {
-                                byte[] message = packet.getReceiveBytes();
-                                if (readBuffer != null) {
-                                    readBuffer.clear();
-                                    channel.read(readBuffer, null, this);
-                                }
                                 try {
-                                    webSocket.onPong(message);
-                                } catch (Exception e) {
-                                    context.getLogger().log(Level.SEVERE, "WebSocket onPong error (" + packet + ")", e);
+                                    if (packet.receiveType == WebSocketPacket.MessageType.BYTES) {
+                                        webSocket.onMessage((byte[]) packet.receiveMessage, packet.last);
+                                    } else {
+                                        if (restMessageConsumer != null) { //主要供RestWebSocket使用
+                                            restMessageConsumer.accept(webSocket, packet.receiveMessage);
+                                        } else {
+                                            webSocket.onMessage(packet.receiveMessage, packet.last);
+                                        }
+                                    }
+                                } catch (Throwable e) {
+                                    context.getLogger().log(Level.SEVERE, "WebSocket onBinaryMessage error (" + packet + ")", e);
                                 }
                             } else if (packet.type == FrameType.PING) {
-                                byte[] message = packet.getReceiveBytes();
-                                if (readBuffer != null) {
-                                    readBuffer.clear();
-                                    channel.read(readBuffer, null, this);
-                                }
                                 try {
-                                    webSocket.onPing(message);
+                                    webSocket.onPing((byte[]) packet.receiveMessage);
                                 } catch (Exception e) {
                                     context.getLogger().log(Level.SEVERE, "WebSocket onPing error (" + packet + ")", e);
                                 }
+                            } else if (packet.type == FrameType.PONG) {
+                                try {
+                                    if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner onMessage by PONG FrameType : " + packet);
+                                    webSocket.onPong((byte[]) packet.receiveMessage);
+                                } catch (Exception e) {
+                                    context.getLogger().log(Level.SEVERE, "WebSocket onPong error (" + packet + ")", e);
+                                }
+                            } else if (packet.type == FrameType.CLOSE) {
+                                if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner onMessage by CLOSE FrameType : " + packet);
+                                closeRunner(0, "received CLOSE frame-type message");
+                                return;
                             } else {
                                 context.getLogger().log(Level.WARNING, "WebSocketRunner onMessage by unknown FrameType : " + packet);
-                                if (readBuffer != null) {
-                                    readBuffer.clear();
-                                    channel.read(readBuffer, null, this);
-                                }
-                            }
-                        } catch (Throwable t) {
-                            closeRunner(0);
-                            if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on read WebSocketPacket, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", t);
-                        } finally {
-                            if (exBuffers != null) {
-                                for (ByteBuffer b : exBuffers) {
-                                    context.offerBuffer(b);
-                                }
+                                closeRunner(0, "received unknown frame-type message");
+                                return;
                             }
                         }
                     }
 
                     @Override
                     public void failed(Throwable exc, Void attachment2) {
-                        closeRunner(0);
                         if (exc != null) {
-                            context.getLogger().log(Level.FINEST, "WebSocketRunner read WebSocketPacket failed, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", exc);
+                            if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner read WebSocketPacket failed, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", exc);
+                            closeRunner(0, "read websocket-packet failed");
+                        } else {
+                            closeRunner(RETCODE_ILLEGALBUFFER, "decode websocket-packet error");
                         }
                     }
                 });
             } else {
-                closeRunner(0);
-                context.getLogger().log(Level.FINEST, "WebSocketRunner abort by AsyncConnection closed");
+                if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort by AsyncConnection closed");
+                closeRunner(RETCODE_WSOCKET_CLOSED, "webSocket channel is not opened");
             }
-        } catch (Exception e) {
-            closeRunner(0);
-            context.getLogger().log(Level.FINEST, "WebSocketRunner abort on read bytes from channel, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", e);
+        } catch (Throwable e) {
+            if (debug) context.getLogger().log(Level.FINEST, "WebSocketRunner abort on read bytes from channel, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", e);
+            closeRunner(0, "read bytes from channel error");
         }
     }
 
     public CompletableFuture<Integer> sendMessage(WebSocketPacket packet) {
         if (packet == null) return CompletableFuture.completedFuture(RETCODE_SEND_ILLPACKET);
         if (closed) return CompletableFuture.completedFuture(RETCODE_WSOCKET_CLOSED);
-        boolean debug = true;
-        //System.out.println("推送消息");
-        //if (debug) context.getLogger().log(Level.FINEST, "send web socket message:  " + packet);
+        boolean debug = context.getLogger().isLoggable(Level.FINEST);
+        //System.out.println("推送消息");        
         final CompletableFuture<Integer> futureResult = new CompletableFuture<>();
-        if (writing.getAndSet(true)) {
-            queue.add(new QueueEntry(futureResult, packet));
-            return futureResult;
+        synchronized (writing) {
+            if (writing.getAndSet(true)) {
+                queue.add(new QueueEntry(futureResult, packet));
+                return futureResult;
+            }
         }
         ByteBuffer[] buffers = packet.sendBuffers != null ? packet.duplicateSendBuffers() : packet.encode(this.context.getBufferSupplier());
+        if (debug) context.getLogger().log(Level.FINEST, "sending websocket message:  " + packet);
         try {
             this.lastSendTime = System.currentTimeMillis();
             channel.write(buffers, buffers, new CompletionHandler<Integer, ByteBuffer[]>() {
@@ -307,39 +269,48 @@ class WebSocketRunner implements Runnable {
                                 }
                             }
                         }
-                        QueueEntry entry = queue.poll();
+                        QueueEntry entry = null;
+                        synchronized (writing) {
+                            entry = queue.poll();
+                            if (entry == null) writing.set(false);
+                        }
                         if (entry != null) {
                             future = entry.future;
                             ByteBuffer[] buffers = entry.packet.sendBuffers != null ? entry.packet.duplicateSendBuffers() : entry.packet.encode(context.getBufferSupplier());
                             lastSendTime = System.currentTimeMillis();
+                            if (debug) context.getLogger().log(Level.FINEST, "sending websocket message:  " + entry.packet);
                             channel.write(buffers, buffers, this);
                         }
                     } catch (Exception e) {
-                        closeRunner(0);
                         context.getLogger().log(Level.WARNING, "WebSocket sendMessage abort on rewrite, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", e);
+                        closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on rewrite");
                     }
-                    writing.set(false);
                 }
 
                 @Override
                 public void failed(Throwable exc, ByteBuffer[] attachments) {
                     writing.set(false);
-                    closeRunner(0);
                     if (exc != null) {
                         context.getLogger().log(Level.FINE, "WebSocket sendMessage on CompletionHandler failed, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", exc);
                     }
+                    closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on CompletionHandler");
+
                 }
             });
         } catch (Exception t) {
             writing.set(false);
-            closeRunner(0);
             context.getLogger().log(Level.FINE, "WebSocket sendMessage abort, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", t);
+            closeRunner(RETCODE_SENDEXCEPTION, "websocket send message failed on channel.write");
             futureResult.complete(RETCODE_SENDEXCEPTION);
         }
         return futureResult;
     }
 
-    public void closeRunner(int code) {
+    public boolean isClosed() {
+        return closed;
+    }
+
+    public void closeRunner(int code, String reason) {
         if (closed) return;
         synchronized (this) {
             if (closed) return;
@@ -351,7 +322,7 @@ class WebSocketRunner implements Runnable {
             context.offerBuffer(readBuffer);
             readBuffer = null;
             engine.remove(webSocket);
-            webSocket.onClose(code, null);
+            webSocket.onClose(code, reason);
         }
     }
 

src/org/redkale/net/http/WebSocketServlet.java

@@ -9,6 +9,7 @@ import java.io.*;
 import java.lang.reflect.*;
 import java.net.*;
 import java.nio.*;
+import java.nio.channels.CompletionHandler;
 import java.security.*;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
@@ -45,6 +46,12 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
     @Comment("WebScoket服务器给客户端进行ping操作的间隔时间, 单位: 秒")
     public static final String WEBPARAM__LIVEINTERVAL = "liveinterval";
 
+    @Comment("WebScoket服务器最大连接数，为0表示无限制")
+    public static final String WEBPARAM__WSMAXCONNS = "wsmaxconns";
+
+    @Comment("最大消息体长度, 小于1表示无限制")
+    public static final String WEBPARAM__WSMAXBODY = "wsmaxbody";
+
     @Comment("WebScoket服务器给客户端进行ping操作的默认间隔时间, 单位: 秒")
     public static final int DEFAILT_LIVEINTERVAL = 15;
 
@@ -56,10 +63,21 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
 
     protected Type messageTextType;  //RestWebSocket时会被修改
 
+    //同RestWebSocket.single
     protected boolean single = true; //是否单用户单连接
 
+    //同RestWebSocket.liveinterval
     protected int liveinterval = DEFAILT_LIVEINTERVAL;
 
+    //同RestWebSocket.wsmaxconns
+    protected int wsmaxconns = 0;
+
+    //同RestWebSocket.wsmaxbody
+    protected int wsmaxbody = 32 * 1024;
+
+    //同RestWebSocket.anyuser
+    protected boolean anyuser = false;
+
     @Resource(name = "jsonconvert")
     protected Convert jsonConvert;
 
@@ -81,7 +99,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
             for (Method method : this.getClass().getDeclaredMethods()) {
                 if (!method.getName().equals("createWebSocket")) continue;
                 if (method.getParameterCount() > 0) continue;
-                Type rt = method.getGenericReturnType();
+                Type rt = TypeToken.getGenericType(method.getGenericReturnType(), this.getClass());
                 if (rt instanceof ParameterizedType) {
                     msgtype = ((ParameterizedType) rt).getActualTypeArguments()[1];
                 }
@@ -105,8 +123,11 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
             this.node = new WebSocketNodeService();
             if (logger.isLoggable(Level.WARNING)) logger.warning("Not found WebSocketNode, create a default value for " + getClass().getName());
         }
+        if (this.node.sendConvert == null) this.node.sendConvert = this.sendConvert;
+
         //存在WebSocketServlet，则此WebSocketNode必须是本地模式Service
-        this.node.localEngine = new WebSocketEngine("WebSocketEngine-" + addr.getHostString() + ":" + addr.getPort() + "-[" + resourceName() + "]", this.single, context, liveinterval, this.node, this.sendConvert, logger);
+        this.node.localEngine = new WebSocketEngine("WebSocketEngine-" + addr.getHostString() + ":" + addr.getPort() + "-[" + resourceName() + "]",
+            this.single, context, liveinterval, wsmaxconns, wsmaxbody, this.node, this.sendConvert, logger);
         this.node.init(conf);
         this.node.localEngine.init(conf);
     }
@@ -137,6 +158,11 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
             response.finish(true);
             return;
         }
+        if (this.node.localEngine.isLocalConnLimited()) {
+            if (debug) logger.finest("WebSocket connections limit, wsmaxconns=" + this.node.localEngine.getLocalWsmaxconns());
+            response.finish(true);
+            return;
+        }
         final WebSocket webSocket = this.createWebSocket();
         webSocket._engine = this.node.localEngine;
         webSocket._messageTextType = this.messageTextType;
@@ -153,7 +179,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
             return;
         }
         sessionFuture.whenComplete((sessionid, ex) -> {
-            if (sessionid == null || ex != null) {
+            if ((sessionid == null && webSocket.delayPackets == null) || ex != null) {
                 if (debug || ex != null) logger.log(ex == null ? Level.FINEST : Level.FINE, "WebSocket connect abort, Not found sessionid or occur error. request=" + request, ex);
                 response.finish(true);
                 return;
@@ -168,41 +194,95 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
             response.setHeader("Connection", "Upgrade");
             response.addHeader("Upgrade", "websocket");
             response.addHeader("Sec-WebSocket-Accept", Base64.getEncoder().encodeToString(bytes));
-            response.sendBody((ByteBuffer) null, null, new AsyncHandler<Integer, Void>() {
+            response.sendBody((ByteBuffer) null, null, new CompletionHandler<Integer, Void>() {
+
+                WebSocketRunner temprunner = null;
 
                 @Override
                 public void completed(Integer result, Void attachment) {
                     HttpContext context = response.getContext();
-                    CompletableFuture<Serializable> userFuture = webSocket.createUserid();
-                    if (userFuture == null) {
-                        if (debug) logger.finest("WebSocket connect abort, Create userid abort. request = " + request);
-                        response.finish(true);
-                        return;
-                    }
-                    userFuture.whenComplete((userid, ex2) -> {
-                        if (userid == null || ex2 != null) {
-                            if (debug || ex2 != null) logger.log(ex2 == null ? Level.FINEST : Level.FINE, "WebSocket connect abort, Create userid abort. request = " + request, ex2);
+
+                    Runnable createUseridHandler = () -> {
+                        CompletableFuture<Serializable> userFuture = webSocket.createUserid();
+                        if (userFuture == null) {
+                            if (debug) logger.finest("WebSocket connect abort, Create userid abort. request = " + request);
                             response.finish(true);
                             return;
                         }
-                        webSocket._userid = userid;
-                        if (single) {
-                            WebSocketServlet.this.node.existsWebSocket(userid).whenComplete((rs, ex) -> {
-                                if (rs) webSocket.onSingleRepeatConnect();
-                                WebSocketServlet.this.node.localEngine.add(webSocket);
-                                WebSocketRunner runner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.removeChannel());
-                                webSocket._runner = runner;
-                                context.runAsync(runner);
+                        userFuture.whenComplete((userid, ex2) -> {
+                            if ((userid == null && webSocket.delayPackets == null) || ex2 != null) {
+                                if (debug || ex2 != null) logger.log(ex2 == null ? Level.FINEST : Level.FINE, "WebSocket connect abort, Create userid abort. request = " + request, ex2);
                                 response.finish(true);
-                            });
-                        } else {
-                            WebSocketServlet.this.node.localEngine.add(webSocket);
-                            WebSocketRunner runner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.removeChannel());
-                            webSocket._runner = runner;
-                            context.runAsync(runner);
-                            response.finish(true);
+                                return;
+                            }
+                            Runnable runHandler = () -> {
+                                temprunner = null;
+                                webSocket._userid = userid;
+                                if (single && !anyuser) {
+                                    WebSocketServlet.this.node.existsWebSocket(userid).whenComplete((rs, nex) -> {
+                                        if (rs) webSocket.onSingleRepeatConnect();
+                                        WebSocketServlet.this.node.localEngine.add(webSocket);
+                                        WebSocketRunner runner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.removeChannel());
+                                        webSocket._runner = runner;
+                                        context.runAsync(runner);
+                                        response.finish(true);
+                                    });
+                                } else {
+                                    WebSocketServlet.this.node.localEngine.add(webSocket);
+                                    WebSocketRunner runner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.removeChannel());
+                                    webSocket._runner = runner;
+                                    context.runAsync(runner);
+                                    response.finish(true);
+                                }
+                            };
+                            if (webSocket.delayPackets != null) { //存在待发送的消息
+                                if (temprunner == null) temprunner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.getChannel());
+                                List<WebSocketPacket> delayPackets = webSocket.delayPackets;
+                                webSocket.delayPackets = null;
+                                CompletableFuture<Integer> cf = null;
+                                for (WebSocketPacket packet : delayPackets) {
+                                    if (cf == null) {
+                                        cf = temprunner.sendMessage(packet);
+                                    } else {
+                                        cf = cf.thenCombine(temprunner.sendMessage(packet), (a, b) -> a | b);
+                                    }
+                                }
+                                cf.whenComplete((Integer v, Throwable t) -> {
+                                    if (userid == null || t != null || (temprunner != null && temprunner.isClosed())) {
+                                        if (t != null) logger.log(Level.FINEST, "WebSocket connect abort, Response send delayPackets abort. request = " + request, t);
+                                        response.finish(true);
+                                    } else {
+                                        runHandler.run();
+                                    }
+                                });
+                            } else {
+                                runHandler.run();
+                            }
+                        });
+                    };
+                    if (webSocket.delayPackets != null) { //存在待发送的消息
+                        if (temprunner == null) temprunner = new WebSocketRunner(context, webSocket, restMessageConsumer, response.getChannel());
+                        List<WebSocketPacket> delayPackets = webSocket.delayPackets;
+                        webSocket.delayPackets = null;
+                        CompletableFuture<Integer> cf = null;
+                        for (WebSocketPacket packet : delayPackets) {
+                            if (cf == null) {
+                                cf = temprunner.sendMessage(packet);
+                            } else {
+                                cf = cf.thenCombine(temprunner.sendMessage(packet), (a, b) -> a | b);
+                            }
                         }
-                    });
+                        cf.whenComplete((Integer v, Throwable t) -> {
+                            if (sessionid == null || t != null || (temprunner != null && temprunner.isClosed())) {
+                                if (t != null) logger.log(Level.FINEST, "WebSocket connect abort, Response send delayPackets abort. request = " + request, t);
+                                response.finish(true);
+                            } else {
+                                createUseridHandler.run();
+                            }
+                        });
+                    } else {
+                        createUseridHandler.run();
+                    }
                 }
 
                 @Override

src/org/redkale/net/sncp/Sncp.java

@@ -5,16 +5,19 @@
  */
 package org.redkale.net.sncp;
 
+import org.redkale.asm.MethodDebugVisitor;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.*;
 import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.CompletionHandler;
 import java.security.*;
 import java.util.*;
 import javax.annotation.Resource;
-import static jdk.internal.org.objectweb.asm.ClassWriter.COMPUTE_FRAMES;
-import jdk.internal.org.objectweb.asm.*;
-import static jdk.internal.org.objectweb.asm.Opcodes.*;
-import jdk.internal.org.objectweb.asm.Type;
+import static org.redkale.asm.ClassWriter.COMPUTE_FRAMES;
+import org.redkale.asm.*;
+import static org.redkale.asm.Opcodes.*;
+import org.redkale.asm.Type;
 import org.redkale.net.TransportFactory;
 import org.redkale.net.sncp.SncpClient.SncpAction;
 import org.redkale.service.*;
@@ -31,6 +34,10 @@ import org.redkale.util.*;
  */
 public abstract class Sncp {
 
+    public static final ByteBuffer PING_BUFFER = ByteBuffer.wrap("PING".getBytes()).asReadOnlyBuffer();
+
+    public static final ByteBuffer PONG_BUFFER = ByteBuffer.wrap("PONG".getBytes()).asReadOnlyBuffer();
+
     static final String FIELDPREFIX = "_redkale";
 
     static final String LOCALPREFIX = "_DynLocal";
@@ -133,12 +140,12 @@ public abstract class Sncp {
     }
 
     static void checkAsyncModifier(Class param, Method method) {
-        if (param == AsyncHandler.class) return;
+        if (param == CompletionHandler.class) return;
         if (Modifier.isFinal(param.getModifiers())) {
-            throw new RuntimeException("AsyncHandler Type Parameter on {" + method + "} cannot final modifier");
+            throw new RuntimeException("CompletionHandler Type Parameter on {" + method + "} cannot final modifier");
         }
         if (!Modifier.isPublic(param.getModifiers())) {
-            throw new RuntimeException("AsyncHandler Type Parameter on {" + method + "} must be public modifier");
+            throw new RuntimeException("CompletionHandler Type Parameter on {" + method + "} must be public modifier");
         }
         if (param.isInterface()) return;
         boolean constructorflag = false;
@@ -293,7 +300,7 @@ public abstract class Sncp {
         //------------------------------------------------------------------------------
         ClassWriter cw = new ClassWriter(COMPUTE_FRAMES);
         FieldVisitor fv;
-        AsmMethodVisitor mv;
+        MethodDebugVisitor mv;
         AnnotationVisitor av0;
 
         cw.visit(V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, newDynName, null, supDynName, null);
@@ -328,7 +335,7 @@ public abstract class Sncp {
             fv.visitEnd();
         }
         { //构造函数
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
             //mv.setDebug(true);
             mv.visitVarInsn(ALOAD, 0);
             mv.visitMethodInsn(INVOKESPECIAL, supDynName, "<init>", "()V", false);
@@ -337,7 +344,7 @@ public abstract class Sncp {
             mv.visitEnd();
         }
         { // toString()
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
             mv.visitVarInsn(ALOAD, 0);
             mv.visitFieldInsn(GETFIELD, newDynName, FIELDPREFIX + "_client", clientDesc);
             Label l1 = new Label();
@@ -365,7 +372,7 @@ public abstract class Sncp {
             final Class[] paramtypes = method.getParameterTypes();
             final int index = ++i;
             {   //原始方法
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC + (method.isVarArgs() ? ACC_VARARGS : 0), method.getName(), methodDesc, null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC + (method.isVarArgs() ? ACC_VARARGS : 0), method.getName(), methodDesc, null, null));
                 //mv.setDebug(true);
                 { //给参数加上 Annotation
                     final Annotation[][] anns = method.getParameterAnnotations();
@@ -383,8 +390,8 @@ public abstract class Sncp {
                 int varindex = 0;
                 boolean handlerFuncFlag = false;
                 for (Class pt : paramtypes) {
-                    if (AsyncHandler.class.isAssignableFrom(pt)) {
-                        if (handlerFuncFlag) throw new RuntimeException(method + " have more than one AsyncHandler type parameter");
+                    if (CompletionHandler.class.isAssignableFrom(pt)) {
+                        if (handlerFuncFlag) throw new RuntimeException(method + " have more than one CompletionHandler type parameter");
                         checkAsyncModifier(pt, method);
                         handlerFuncFlag = true;
                     }
@@ -424,7 +431,7 @@ public abstract class Sncp {
                 mv.visitEnd();
             }
             {  // _方法   _方法比无_方法多了三个参数
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC + (method.isVarArgs() ? ACC_VARARGS : 0), FIELDPREFIX + "_" + method.getName(), "(ZZZ" + methodDesc.substring(1), null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC + (method.isVarArgs() ? ACC_VARARGS : 0), FIELDPREFIX + "_" + method.getName(), "(ZZZ" + methodDesc.substring(1), null, null));
                 //mv.setDebug(true);  
                 { //给参数加上 Annotation
                     final Annotation[][] anns = method.getParameterAnnotations();
@@ -479,12 +486,12 @@ public abstract class Sncp {
                 } else if (returnType.isPrimitive()) {
                     if (returnType == long.class) {
                         mv.visitVarInsn(LSTORE, ++varindex);
-                        ++varindex; //多加1
+                        //++varindex; //多加1
                     } else if (returnType == float.class) {
                         mv.visitVarInsn(FSTORE, ++varindex);
                     } else if (returnType == double.class) {
                         mv.visitVarInsn(DSTORE, ++varindex);
-                        ++varindex; //多加1
+                        //++varindex; //多加1
                     } else {
                         mv.visitVarInsn(ISTORE, ++varindex);
                     }
@@ -528,16 +535,8 @@ public abstract class Sncp {
                 mv.visitFieldInsn(GETFIELD, newDynName, FIELDPREFIX + "_client", clientDesc);
                 final int preparams = 3; //调用selfrunnable之前的参数个数;  _client
 
-                if (index <= 5) {  //第几个 SncpAction 
-                    mv.visitInsn(ICONST_0 + index);
-                } else {
-                    mv.visitIntInsn(BIPUSH, index);
-                }
-                if (paramtypes.length + preparams <= 5) {  //参数总数量
-                    mv.visitInsn(ICONST_0 + paramtypes.length + preparams);
-                } else {
-                    mv.visitIntInsn(BIPUSH, paramtypes.length + preparams);
-                }
+                pushInt(mv, index);   //第几个 SncpAction 
+                pushInt(mv, paramtypes.length + preparams);   //参数总数量
 
                 mv.visitTypeInsn(ANEWARRAY, "java/lang/Object");
 
@@ -564,11 +563,7 @@ public abstract class Sncp {
                     final Class pt = paramtypes[j];
                     mv.visitInsn(DUP);
                     insn++;
-                    if (j <= 2) {
-                        mv.visitInsn(ICONST_0 + j + 3);
-                    } else {
-                        mv.visitIntInsn(BIPUSH, j + 3);
-                    }
+                    pushInt(mv, j + 3);
                     if (pt.isPrimitive()) {
                         if (pt == long.class) {
                             mv.visitVarInsn(LLOAD, insn++);
@@ -596,16 +591,8 @@ public abstract class Sncp {
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitFieldInsn(GETFIELD, newDynName, FIELDPREFIX + "_client", clientDesc);
 
-                if (index <= 5) {  //第几个 SncpAction 
-                    mv.visitInsn(ICONST_0 + index);
-                } else {
-                    mv.visitIntInsn(BIPUSH, index);
-                }
-                if (paramtypes.length + preparams <= 5) {  //参数总数量
-                    mv.visitInsn(ICONST_0 + paramtypes.length + preparams);
-                } else {
-                    mv.visitIntInsn(BIPUSH, paramtypes.length + preparams);
-                }
+                pushInt(mv, index); //第几个 SncpAction 
+                pushInt(mv, paramtypes.length + preparams); //参数总数量
 
                 mv.visitTypeInsn(ANEWARRAY, "java/lang/Object");
 
@@ -632,11 +619,7 @@ public abstract class Sncp {
                     final Class pt = paramtypes[j];
                     mv.visitInsn(DUP);
                     insn++;
-                    if (j <= 2) {
-                        mv.visitInsn(ICONST_0 + j + 3);
-                    } else {
-                        mv.visitIntInsn(BIPUSH, j + 3);
-                    }
+                    pushInt(mv, j + 3);
                     if (pt.isPrimitive()) {
                         if (pt == long.class) {
                             mv.visitVarInsn(LLOAD, insn++);
@@ -874,7 +857,7 @@ public abstract class Sncp {
      * @param serviceTypeOrImplClass Service类
      * @param transportFactory       TransportFactory
      * @param clientAddress          本地IP地址
-     * @param groups                 所有的组节点，包含自身
+     * @param groups0                 所有的组节点，包含自身
      * @param conf                   启动配置项
      *
      * @return Service的远程模式实例
@@ -887,10 +870,11 @@ public abstract class Sncp {
         final Class<T> serviceTypeOrImplClass,
         final TransportFactory transportFactory,
         final InetSocketAddress clientAddress,
-        final Set<String> groups,
+        final Set<String> groups0,
         final AnyValue conf) {
         if (serviceTypeOrImplClass == null) return null;
         if (!Service.class.isAssignableFrom(serviceTypeOrImplClass)) return null;
+        Set<String> groups = groups0 == null ? new HashSet<>() : groups0;
         ResourceFactory.checkResourceName(name);
         int mod = serviceTypeOrImplClass.getModifiers();
         boolean realed = !(java.lang.reflect.Modifier.isAbstract(mod) || serviceTypeOrImplClass.isInterface());
@@ -918,7 +902,7 @@ public abstract class Sncp {
         //------------------------------------------------------------------------------
         ClassWriter cw = new ClassWriter(COMPUTE_FRAMES);
         FieldVisitor fv;
-        AsmMethodVisitor mv;
+        MethodDebugVisitor mv;
         AnnotationVisitor av0;
 
         cw.visit(V1_8, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, newDynName, null, serviceTypeOrImplClass.isInterface() ? "java/lang/Object" : supDynName, serviceTypeOrImplClass.isInterface() ? new String[]{supDynName} : null);
@@ -953,7 +937,7 @@ public abstract class Sncp {
             fv.visitEnd();
         }
         { //构造函数
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null));
             //mv.setDebug(true);
             mv.visitVarInsn(ALOAD, 0);
             mv.visitMethodInsn(INVOKESPECIAL, serviceTypeOrImplClass.isInterface() ? "java/lang/Object" : supDynName, "<init>", "()V", false);
@@ -962,19 +946,19 @@ public abstract class Sncp {
             mv.visitEnd();
         }
         { //init
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "init", "(" + anyValueDesc + ")V", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "init", "(" + anyValueDesc + ")V", null, null));
             mv.visitInsn(RETURN);
             mv.visitMaxs(0, 2);
             mv.visitEnd();
         }
         { //destroy
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "destroy", "(" + anyValueDesc + ")V", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "destroy", "(" + anyValueDesc + ")V", null, null));
             mv.visitInsn(RETURN);
             mv.visitMaxs(0, 2);
             mv.visitEnd();
         }
         { // toString()
-            mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
+            mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null));
             mv.visitVarInsn(ALOAD, 0);
             mv.visitFieldInsn(GETFIELD, newDynName, FIELDPREFIX + "_client", clientDesc);
             Label l1 = new Label();
@@ -998,7 +982,7 @@ public abstract class Sncp {
             final int index = ++i;
             final java.lang.reflect.Method method = entry.method;
             {
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, method.getName(), Type.getMethodDescriptor(method), null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, method.getName(), Type.getMethodDescriptor(method), null, null));
                 //mv.setDebug(true);
                 { //给参数加上 Annotation
                     final Annotation[][] anns = method.getParameterAnnotations();
@@ -1011,19 +995,11 @@ public abstract class Sncp {
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitFieldInsn(GETFIELD, newDynName, FIELDPREFIX + "_client", clientDesc);
 
-                if (index <= 5) {
-                    mv.visitInsn(ICONST_0 + index);
-                } else {
-                    mv.visitIntInsn(BIPUSH, index);
-                }
+                pushInt(mv, index);
 
                 {  //传参数
                     int paramlen = entry.paramTypes.length;
-                    if (paramlen <= 5) {
-                        mv.visitInsn(ICONST_0 + paramlen);
-                    } else {
-                        mv.visitIntInsn(BIPUSH, paramlen);
-                    }
+                    pushInt(mv, paramlen);
                     mv.visitTypeInsn(ANEWARRAY, "java/lang/Object");
                     java.lang.reflect.Type[] paramtypes = entry.paramTypes;
                     int insn = 0;
@@ -1031,11 +1007,7 @@ public abstract class Sncp {
                         final java.lang.reflect.Type pt = paramtypes[j];
                         mv.visitInsn(DUP);
                         insn++;
-                        if (j <= 5) {
-                            mv.visitInsn(ICONST_0 + j);
-                        } else {
-                            mv.visitIntInsn(BIPUSH, j);
-                        }
+                        pushInt(mv, j);
                         if (pt instanceof Class && ((Class) pt).isPrimitive()) {
                             if (pt == long.class) {
                                 mv.visitVarInsn(LLOAD, insn++);
@@ -1118,4 +1090,28 @@ public abstract class Sncp {
         }
 
     }
+
+    private static void pushInt(MethodDebugVisitor mv, int num) {
+        if (num < 6) {
+            mv.visitInsn(ICONST_0 + num);
+        } else if (num <= Byte.MAX_VALUE) {
+            mv.visitIntInsn(BIPUSH, num);
+        } else if (num <= Short.MAX_VALUE) {
+            mv.visitIntInsn(SIPUSH, num);
+        } else {
+            mv.visitLdcInsn(num);
+        }
+    }
+
+    private static void pushInt(MethodVisitor mv, int num) {
+        if (num < 6) {
+            mv.visitInsn(ICONST_0 + num);
+        } else if (num <= Byte.MAX_VALUE) {
+            mv.visitIntInsn(BIPUSH, num);
+        } else if (num <= Short.MAX_VALUE) {
+            mv.visitIntInsn(SIPUSH, num);
+        } else {
+            mv.visitLdcInsn(num);
+        }
+    }
 }

src/org/redkale/net/sncp/SncpAsyncHandler.java

@@ -5,10 +5,12 @@
  */
 package org.redkale.net.sncp;
 
+import org.redkale.asm.MethodDebugVisitor;
+import java.nio.channels.CompletionHandler;
 import java.util.concurrent.CompletableFuture;
 import java.util.logging.Level;
-import jdk.internal.org.objectweb.asm.*;
-import static jdk.internal.org.objectweb.asm.Opcodes.*;
+import org.redkale.asm.*;
+import static org.redkale.asm.Opcodes.*;
 import org.redkale.convert.bson.*;
 import org.redkale.net.sncp.SncpDynServlet.SncpServletAction;
 import org.redkale.util.*;
@@ -26,7 +28,7 @@ import org.redkale.util.*;
  * @param <V> 结果对象的泛型
  * @param <A> 附件对象的泛型
  */
-public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
+public interface SncpAsyncHandler<V, A> extends CompletionHandler<V, A> {
 
     public Object[] sncp_getParams();
 
@@ -42,9 +44,9 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
          * <blockquote><pre>
          *
          * 考虑点：
-         *      1、AsyncHandler子类是接口，且还有其他多个方法
-         *      2、AsyncHandler子类是类， 需要继承，且必须有空参数构造函数
-         *      3、AsyncHandler子类无论是接口还是类，都可能存在其他泛型
+         *      1、CompletionHandler子类是接口，且还有其他多个方法
+         *      2、CompletionHandler子类是类， 需要继承，且必须有空参数构造函数
+         *      3、CompletionHandler子类无论是接口还是类，都可能存在其他泛型
          *
          *  public class XXXAsyncHandler_DyncSncpAsyncHandler_4323 extends XXXAsyncHandler implements SncpAsyncHandler {
          *
@@ -52,7 +54,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
          *
          *      private CompletableFuture sncpfuture;
          *
-         *      &#64;java.beans.ConstructorProperties({"sncphandler"})
+         *      &#64;ConstructorParameters({"sncphandler"})
          *      public XXXAsyncHandler_DyncSncpAsyncHandler_4323(SncpAsyncHandler sncphandler) {
          *          super();
          *          this.sncphandler = sncphandler;
@@ -91,11 +93,11 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
          *
          * </pre></blockquote>
          *
-         * @param handlerClass AsyncHandler类型或子类
+         * @param handlerClass CompletionHandler类型或子类
          *
          * @return Creator
          */
-        public static Creator<SncpAsyncHandler> createCreator(Class<? extends AsyncHandler> handlerClass) {
+        public static Creator<SncpAsyncHandler> createCreator(Class<? extends CompletionHandler> handlerClass) {
             //------------------------------------------------------------- 
             final boolean handlerinterface = handlerClass.isInterface();
             final String handlerClassName = handlerClass.getName().replace('.', '/');
@@ -106,7 +108,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
 
             ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
             FieldVisitor fv;
-            AsmMethodVisitor mv;
+            MethodDebugVisitor mv;
             AnnotationVisitor av0;
             cw.visit(V1_8, ACC_PUBLIC + ACC_SUPER, newDynName, null, handlerinterface ? "java/lang/Object" : handlerClassName, handlerinterface ? new String[]{handlerClassName, sncpHandlerName} : new String[]{sncpHandlerName});
 
@@ -119,10 +121,10 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
                 fv.visitEnd();
             }
             {//构造方法
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "(" + sncpHandlerDesc + ")V", null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "<init>", "(" + sncpHandlerDesc + ")V", null, null));
                 //mv.setDebug(true);
                 {
-                    av0 = mv.visitAnnotation("Ljava/beans/ConstructorProperties;", true);
+                    av0 = mv.visitAnnotation("org/redkale/util/ConstructorParameters;", true);
                     {
                         AnnotationVisitor av1 = av0.visitArray("value");
                         av1.visit(null, "sncphandler");
@@ -142,7 +144,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
 
             for (java.lang.reflect.Method method : handlerClass.getMethods()) { //
                 if ("completed".equals(method.getName()) && method.getParameterCount() == 2) {
-                    mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "completed", Type.getMethodDescriptor(method), null, null));
+                    mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "completed", Type.getMethodDescriptor(method), null, null));
                     mv.visitVarInsn(ALOAD, 0);
                     mv.visitFieldInsn(GETFIELD, newDynName, "sncphandler", sncpHandlerDesc);
                     mv.visitVarInsn(ALOAD, 1);
@@ -152,7 +154,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
                     mv.visitMaxs(3, 3);
                     mv.visitEnd();
                 } else if ("failed".equals(method.getName()) && method.getParameterCount() == 2) {
-                    mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "failed", Type.getMethodDescriptor(method), null, null));
+                    mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "failed", Type.getMethodDescriptor(method), null, null));
                     mv.visitVarInsn(ALOAD, 0);
                     mv.visitFieldInsn(GETFIELD, newDynName, "sncphandler", sncpHandlerDesc);
                     mv.visitVarInsn(ALOAD, 1);
@@ -162,7 +164,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
                     mv.visitMaxs(3, 3);
                     mv.visitEnd();
                 } else if (handlerinterface || java.lang.reflect.Modifier.isAbstract(method.getModifiers())) {
-                    mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, method.getName(), Type.getMethodDescriptor(method), null, null));
+                    mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, method.getName(), Type.getMethodDescriptor(method), null, null));
                     Class returnType = method.getReturnType();
                     if (returnType == void.class) {
                         mv.visitInsn(RETURN);
@@ -191,7 +193,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
                 }
             }
             { // sncp_getParams
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "sncp_getParams", "()[Ljava/lang/Object;", null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "sncp_getParams", "()[Ljava/lang/Object;", null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitFieldInsn(GETFIELD, newDynName, "sncphandler", sncpHandlerDesc);
                 mv.visitMethodInsn(INVOKEINTERFACE, sncpHandlerName, "sncp_getParams", "()[Ljava/lang/Object;", true);
@@ -200,7 +202,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
                 mv.visitEnd();
             }
             {  // sncp_setParams
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC + ACC_VARARGS, "sncp_setParams", "([Ljava/lang/Object;)V", null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC + ACC_VARARGS, "sncp_setParams", "([Ljava/lang/Object;)V", null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitFieldInsn(GETFIELD, newDynName, "sncphandler", sncpHandlerDesc);
                 mv.visitVarInsn(ALOAD, 1);
@@ -210,7 +212,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
                 mv.visitEnd();
             }
             {  // sncp_setFuture
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "sncp_setFuture", "(" + sncpFutureDesc + ")V", null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "sncp_setFuture", "(" + sncpFutureDesc + ")V", null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitVarInsn(ALOAD, 1);
                 mv.visitFieldInsn(PUTFIELD, newDynName, "sncpfuture", sncpFutureDesc);
@@ -219,7 +221,7 @@ public interface SncpAsyncHandler<V, A> extends AsyncHandler<V, A> {
                 mv.visitEnd();
             }
             { // sncp_getFuture
-                mv = new AsmMethodVisitor(cw.visitMethod(ACC_PUBLIC, "sncp_getFuture", "()" + sncpFutureDesc, null, null));
+                mv = new MethodDebugVisitor(cw.visitMethod(ACC_PUBLIC, "sncp_getFuture", "()" + sncpFutureDesc, null, null));
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitFieldInsn(GETFIELD, newDynName, "sncpfuture", sncpFutureDesc);
                 mv.visitInsn(ARETURN);