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/apidoc.bat

@@ -4,4 +4,4 @@ SET APP_HOME=%~dp0
 
 IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
 
-java -DCMD=APIDOC -DAPP_HOME=%APP_HOME% -classpath %APP_HOME%\lib\* org.redkale.boot.Application
+java -DCMD=APIDOC -DAPP_HOME="%APP_HOME%" -classpath "%APP_HOME%"\lib\* org.redkale.boot.Application

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.bat

@@ -4,4 +4,4 @@ SET APP_HOME=%~dp0
 
 IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
 
-java -DCMD=SHUTDOWN -DAPP_HOME=%APP_HOME% -classpath %APP_HOME%\lib\* org.redkale.boot.Application
+java -DCMD=SHUTDOWN -DAPP_HOME="%APP_HOME%" -classpath "%APP_HOME%"\lib\* org.redkale.boot.Application

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.bat

@@ -4,5 +4,5 @@ SET APP_HOME=%~dp0
 
 IF NOT EXIST "%APP_HOME%\conf\application.xml"  SET APP_HOME=%~dp0..
 
-java -DAPP_HOME=%APP_HOME% -classpath %APP_HOME%\lib\* org.redkale.boot.Application
+java -DAPP_HOME="%APP_HOME%" -classpath "%APP_HOME%"\lib\* 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

conf/persistence.xml

@@ -6,7 +6,6 @@
         <shared-cache-mode>ALL</shared-cache-mode>
         <properties>
             <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/center?autoReconnect=true&amp;characterEncoding=utf8"/>
-            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
             <property name="javax.persistence.jdbc.user" value="root"/>
             <property name="javax.persistence.jdbc.password" value="1234"/>
         </properties>

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
+            readTimeoutSeconds: TCP读取超时秒数, 默认为6秒， 为0表示无超时限制
+            writeTimeoutSeconds: 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" readTimeoutSeconds="6" writeTimeoutSeconds="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 +85,9 @@
             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.poolmaxconns", "100");
+               System.setProperty("net.transport.pinginterval", "30");
+               System.setProperty("net.transport.checkinterval", "30");
                System.setProperty("convert.json.tiny", "true");
                System.setProperty("convert.bson.tiny", "true");
                System.setProperty("convert.json.pool.size", "128");
@@ -86,7 +95,8 @@
                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"/>
@@ -106,17 +116,31 @@
         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： 线程数， 默认: CPU核数*32
+        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
-        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
+        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: 线程数*4
+        responsePoolSize： Response池的大小，默认: 线程数*2
+        aliveTimeoutSeconds: KeepAlive读操作超时秒数， 默认30， 0表示永久不超时; -1表示禁止KeepAlive
+        readTimeoutSeconds: 读操作超时秒数， 默认0， 表示永久不超时
+        writeTimeoutSeconds:  写操作超时秒数， 默认0， 表示永久不超时
+        netimpl: ProtocolServer的实现类。TCP情况下值也可以是aio或nio，默认值为aio；UDP情况下值也可以是bio，默认值为bio；
         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
     -->
     <server protocol="HTTP" host="127.0.0.1" port="6060" root="root" lib=""> 
         
+        <!-- 
+           【节点在<server>中唯一】
+           value: 创建SSLContext的实现类, 可自定义，必须是org.redkale.net.SSLCreator的子类
+           clientauth: true/false/want
+           keystorepass: KEY密码
+           keystorefile: KEY文件
+           truststorepass: TRUST密码
+           truststorefile: TRUST文件
+        -->
+        <ssl creator=""/>
+        
         <!-- 
            加载所有的Service服务;
            在同一个进程中同一个name同一类型的Service将共用同一个实例
@@ -140,7 +164,7 @@
             <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 +189,7 @@
             
             <!--   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>
@@ -207,20 +231,33 @@
         <!--
            【节点在<server>中唯一】
            当Server为HTTP协议时, response节点才有效。
+           contenttype: plain值为调用finish时的ContentType; 默认值: text/plain; charset=utf-8
+                        json值为调用finishJson时的ContentType; 默认值: application/json; charset=utf-8
            defcookie 节点: 当response里输出的cookie没有指定domain 和path时，使用该节点的默认值。
            如果addheader、setheader 的value值以request.parameters.开头则表示从request.parameters中获取对应的parameter值
            如果addheader、setheader 的value值以request.headers.开头则表示从request.headers中获取对应的header值
            例如下面例子是在Response输出header时添加两个header（一个addHeader， 一个setHeader）。
-           options 节点: 设置了该节点却auto=true，当request的method=OPTIONS自动设置addheader、setheader并返回200状态码
+           options 节点: 设置了该节点且auto=true，当request的method=OPTIONS自动设置addheader、setheader并返回200状态码
+           date 节点: 设置了该节点且period有值(单位：毫秒);返回response会包含Date头信息，默认为period=0
+                      period=0表示实时获取当前时间;
+                      period<0表示不设置date;
+                      period>0表示定时获取时间; 设置1000表示每秒刷新Date时间
         -->
         <response>
+            <contenttype plain="text/plain; charset=utf-8" json="application/json; charset=utf-8"/>            
             <defcookie domain="" path=""/>  
             <addheader name="Access-Control-Allow-Origin" value="request.headers.Origin" /> 
             <setheader name="Access-Control-Allow-Headers" value="request.headers.Access-Control-Request-Headers"/>
             <setheader name="Access-Control-Allow-Credentials" value="true"/>
             <options auto="true" />
+            <date period="0" />
         </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"/>
         <!-- 
            【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 +1,195 @@
+/*
+ * 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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     * @param av
+     *            the annotation visitor to which this visitor must delegate
+     *            method calls. May be null.
+     */
+    public AnnotationVisitor(final int api, final AnnotationVisitor av) {
+        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} of 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.ASM6);
+        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
+ */
+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 +1,365 @@
+/*
+ * 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>visitModule</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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     * @param cv
+     *            the class visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public ClassVisitor(final int api, final ClassVisitor cv) {
+        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);
+        }
+    }
+
+    /**
+     * Visit the module corresponding to the class.
+     * @param name
+     *            module name
+     * @param access
+     *            module flags, among {@code ACC_OPEN}, {@code ACC_SYNTHETIC}
+     *            and {@code ACC_MANDATED}.
+     * @param version
+     *            module version or null.
+     * @return a visitor to visit the module values, or <tt>null</tt> if
+     *         this visitor is not interested in visiting this module.
+     */
+    public ModuleVisitor visitModule(String name, int access, String version) {
+        if (api < Opcodes.ASM6) {
+            throw new RuntimeException();
+        }
+        if (cv != null) {
+            return cv.visitModule(name, access, version);
+        }
+        return null;
+    }
+
+    /**
+     * 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 (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/CurrentFrame.java

@@ -0,0 +1,85 @@
+/*
+ * 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 the input stack map frame at the "current" instruction of a
+ * method. This is implemented as a Frame subclass for a "basic block"
+ * containing only one instruction.
+ *
+ * @author Eric Bruneton
+ */
+class CurrentFrame extends Frame {
+
+    /**
+     * Sets this CurrentFrame to the input stack map frame of the next "current"
+     * instruction, i.e. the instruction just after the given one. It is assumed
+     * that the value of this object when this method is called is the stack map
+     * frame status just before the given instruction is executed.
+     */
+    @Override
+    void execute(int opcode, int arg, ClassWriter cw, Item item) {
+        super.execute(opcode, arg, cw, item);
+        Frame successor = new Frame();
+        merge(cw, successor, 0);
+        set(successor);
+        owner.inputStackTop = 0;
+    }
+}

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 +1,173 @@
+/*
+ * 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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     * @param fv
+     *            the field visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public FieldVisitor(final int api, final FieldVisitor fv) {
+        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 (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 +1,352 @@
+/*
+ * 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.ASM6);
+        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 (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) {
+        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) {
+        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 (signature != 0) {
+            cw.newUTF8("Signature");
+            size += 8;
+        }
+        if (anns != null) {
+            cw.newUTF8("RuntimeVisibleAnnotations");
+            size += 8 + anns.getSize();
+        }
+        if (ianns != null) {
+            cw.newUTF8("RuntimeInvisibleAnnotations");
+            size += 8 + ianns.getSize();
+        }
+        if (tanns != null) {
+            cw.newUTF8("RuntimeVisibleTypeAnnotations");
+            size += 8 + tanns.getSize();
+        }
+        if (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 (signature != 0) {
+            ++attributeCount;
+        }
+        if (anns != null) {
+            ++attributeCount;
+        }
+        if (ianns != null) {
+            ++attributeCount;
+        }
+        if (tanns != null) {
+            ++attributeCount;
+        }
+        if (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 (signature != 0) {
+            out.putShort(cw.newUTF8("Signature"));
+            out.putInt(2).putShort(signature);
+        }
+        if (anns != null) {
+            out.putShort(cw.newUTF8("RuntimeVisibleAnnotations"));
+            anns.put(out);
+        }
+        if (ianns != null) {
+            out.putShort(cw.newUTF8("RuntimeInvisibleAnnotations"));
+            ianns.put(out);
+        }
+        if (tanns != null) {
+            out.putShort(cw.newUTF8("RuntimeVisibleTypeAnnotations"));
+            tanns.put(out);
+        }
+        if (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 +1,223 @@
+/*
+ * 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.
+     * @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 +1,347 @@
+/*
+ * 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#MODULE}, {@link ClassWriter#PACKAGE},
+     * {@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:
+            this.intVal = 0;     // intVal of a class must be zero, see visitInnerClass
+        case ClassWriter.UTF8:
+        case ClassWriter.STR:
+        case ClassWriter.MTYPE:
+        case ClassWriter.MODULE:
+        case ClassWriter.PACKAGE:
+        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
+     * 
+     */
+    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 too
+     *         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 be replaced with standard bytecode instructions
+     *         with wider offsets (4 bytes instead of 2), in ClassReader.
+     * @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 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;
     }
@@ -33,7 +32,7 @@ public class AsmMethodVisitor {
         System.out.println();
     }
 
-    private final Map<Label, Integer> labels = new LinkedHashMap();
+    private final Map<Label, Integer> labels = new LinkedHashMap<>();
 
     private static final String[] opcodes = new String[200]; //0 -18
 
@@ -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 +1,856 @@
+/*
+ * 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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     */
+    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}, {@link Opcodes#ASM5} or {@link Opcodes#ASM6}.
+     * @param mv
+     *            the method visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public MethodVisitor(final int api, final MethodVisitor mv) {
+        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 (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 (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}).
+     * @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 (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 (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 (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 (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/ModuleVisitor.java

@@ -0,0 +1,219 @@
+/*
+ * 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 module. The methods of this class must be called in
+ * the following order: <tt>visitMainClass</tt> | ( <tt>visitPackage</tt> |
+ * <tt>visitRequire</tt> | <tt>visitExport</tt> | <tt>visitOpen</tt> |
+ * <tt>visitUse</tt> | <tt>visitProvide</tt> )* <tt>visitEnd</tt>.
+ *
+ * The methods {@link #visitRequire(String, int, String)}, {@link #visitExport(String, int, String...)},
+ * {@link #visitOpen(String, int, String...)} and {@link #visitPackage(String)}
+ * take as parameter a package name or a module name. Unlike the other names which are internal names
+ * (names separated by slash), module and package names are qualified names (names separated by dot).
+ *
+ * @author Remi Forax
+ */
+public abstract class ModuleVisitor {
+    /**
+     * The ASM API version implemented by this visitor. The value of this field
+     * must be {@link Opcodes#ASM6}.
+     */
+    protected final int api;
+
+    /**
+     * The module visitor to which this visitor must delegate method calls. May
+     * be null.
+     */
+    protected ModuleVisitor mv;
+
+    /**
+     * Constructs a new {@link ModuleVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}.
+     */
+    public ModuleVisitor(final int api) {
+        this(api, null);
+    }
+
+    /**
+     * Constructs a new {@link ModuleVisitor}.
+     *
+     * @param api
+     *            the ASM API version implemented by this visitor. Must be {@link Opcodes#ASM6}.
+     * @param mv
+     *            the module visitor to which this visitor must delegate method
+     *            calls. May be null.
+     */
+    public ModuleVisitor(final int api, final ModuleVisitor mv) {
+        if (api != Opcodes.ASM6) {
+            throw new IllegalArgumentException();
+        }
+        this.api = api;
+        this.mv = mv;
+    }
+
+    /**
+     * Visit the main class of the current module.
+     *
+     * @param mainClass the internal name of the main class of the current module.
+     */
+    public void visitMainClass(String mainClass) {
+        if (mv != null) {
+            mv.visitMainClass(mainClass);
+        }
+    }
+
+    /**
+     * Visit a package of the current module.
+     *
+     * @param packaze the qualified name of a package.
+     */
+    public void visitPackage(String packaze) {
+        if (mv != null) {
+            mv.visitPackage(packaze);
+        }
+    }
+
+    /**
+     * Visits a dependence of the current module.
+     *
+     * @param module the qualified name of the dependence.
+     * @param access the access flag of the dependence among
+     *        ACC_TRANSITIVE, ACC_STATIC_PHASE, ACC_SYNTHETIC
+     *        and ACC_MANDATED.
+     * @param version the module version at compile time or null.
+     */
+    public void visitRequire(String module, int access, String version) {
+        if (mv != null) {
+            mv.visitRequire(module, access, version);
+        }
+    }
+
+    /**
+     * Visit an exported package of the current module.
+     *
+     * @param packaze the qualified name of the exported package.
+     * @param access the access flag of the exported package,
+     *        valid values are among {@code ACC_SYNTHETIC} and
+     *        {@code ACC_MANDATED}.
+     * @param modules the qualified names of the modules that can access to
+     *        the public classes of the exported package or
+     *        <tt>null</tt>.
+     */
+    public void visitExport(String packaze, int access, String... modules) {
+        if (mv != null) {
+            mv.visitExport(packaze, access, modules);
+        }
+    }
+
+    /**
+     * Visit an open package of the current module.
+     *
+     * @param packaze the qualified name of the opened package.
+     * @param access the access flag of the opened package,
+     *        valid values are among {@code ACC_SYNTHETIC} and
+     *        {@code ACC_MANDATED}.
+     * @param modules the qualified names of the modules that can use deep
+     *        reflection to the classes of the open package or
+     *        <tt>null</tt>.
+     */
+    public void visitOpen(String packaze, int access, String... modules) {
+        if (mv != null) {
+            mv.visitOpen(packaze, access, modules);
+        }
+    }
+
+    /**
+     * Visit a service used by the current module.
+     * The name must be the internal name of an interface or a class.
+     *
+     * @param service the internal name of the service.
+     */
+    public void visitUse(String service) {
+        if (mv != null) {
+            mv.visitUse(service);
+        }
+    }
+
+    /**
+     * Visit an implementation of a service.
+     *
+     * @param service the internal name of the service
+     * @param providers the internal names of the implementations
+     *        of the service (there is at least one provider).
+     */
+    public void visitProvide(String service, String... providers) {
+        if (mv != null) {
+            mv.visitProvide(service, providers);
+        }
+    }
+
+    /**
+     * Visits the end of the module. This method, which is the last one to be
+     * called, is used to inform the visitor that everything have been visited.
+     */
+    public void visitEnd() {
+        if (mv != null) {
+            mv.visitEnd();
+        }
+    }
+}

src/org/redkale/asm/ModuleWriter.java

@@ -0,0 +1,322 @@
+/*
+ * 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;
+
+/**
+ * @author Remi Forax
+ */
+final class ModuleWriter extends ModuleVisitor {
+    /**
+     * The class writer to which this Module attribute must be added.
+     */
+    private final ClassWriter cw;
+
+    /**
+     * size in byte of the Module attribute.
+     */
+    int size;
+
+    /**
+     * Number of attributes associated with the current module
+     * (Version, ConcealPackages, etc)
+     */
+    int attributeCount;
+
+    /**
+     * Size in bytes of the attributes associated with the current module
+     */
+    int attributesSize;
+
+    /**
+     * module name index in the constant pool
+     */
+    private final int name;
+
+    /**
+     * module access flags
+     */
+    private final int access;
+
+    /**
+     * module version index in the constant pool or 0
+     */
+    private final int version;
+
+    /**
+     * module main class index in the constant pool or 0
+     */
+    private int mainClass;
+
+    /**
+     * number of packages
+     */
+    private int packageCount;
+
+    /**
+     * The packages in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in packageCount
+     */
+    private ByteVector packages;
+
+    /**
+     * number of requires items
+     */
+    private int requireCount;
+
+    /**
+     * The requires items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in requireCount
+     */
+    private ByteVector requires;
+
+    /**
+     * number of exports items
+     */
+    private int exportCount;
+
+    /**
+     * The exports items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in exportCount
+     */
+    private ByteVector exports;
+
+    /**
+     * number of opens items
+     */
+    private int openCount;
+
+    /**
+     * The opens items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in openCount
+     */
+    private ByteVector opens;
+
+    /**
+     * number of uses items
+     */
+    private int useCount;
+
+    /**
+     * The uses items in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in useCount
+     */
+    private ByteVector uses;
+
+    /**
+     * number of provides items
+     */
+    private int provideCount;
+
+    /**
+     * The uses provides in bytecode form. This byte vector only contains
+     * the items themselves, the number of items is store in provideCount
+     */
+    private ByteVector provides;
+
+    ModuleWriter(final ClassWriter cw, final int name,
+            final int access, final int version) {
+        super(Opcodes.ASM6);
+        this.cw = cw;
+        this.size = 16;  // name + access + version + 5 counts
+        this.name = name;
+        this.access = access;
+        this.version = version;
+    }
+
+    @Override
+    public void visitMainClass(String mainClass) {
+        if (this.mainClass == 0) { // protect against several calls to visitMainClass
+            cw.newUTF8("ModuleMainClass");
+            attributeCount++;
+            attributesSize += 8;
+        }
+        this.mainClass = cw.newClass(mainClass);
+    }
+
+    @Override
+    public void visitPackage(String packaze) {
+        if (packages == null) {
+            // protect against several calls to visitPackage
+            cw.newUTF8("ModulePackages");
+            packages = new ByteVector();
+            attributeCount++;
+            attributesSize += 8;
+        }
+        packages.putShort(cw.newPackage(packaze));
+        packageCount++;
+        attributesSize += 2;
+    }
+
+    @Override
+    public void visitRequire(String module, int access, String version) {
+        if (requires == null) {
+            requires = new ByteVector();
+        }
+        requires.putShort(cw.newModule(module))
+                .putShort(access)
+                .putShort(version == null? 0: cw.newUTF8(version));
+        requireCount++;
+        size += 6;
+    }
+
+    @Override
+    public void visitExport(String packaze, int access, String... modules) {
+        if (exports == null) {
+            exports = new ByteVector();
+        }
+        exports.putShort(cw.newPackage(packaze)).putShort(access);
+        if (modules == null) {
+            exports.putShort(0);
+            size += 6;
+        } else {
+            exports.putShort(modules.length);
+            for(String module: modules) {
+                exports.putShort(cw.newModule(module));
+            }
+            size += 6 + 2 * modules.length;
+        }
+        exportCount++;
+    }
+
+    @Override
+    public void visitOpen(String packaze, int access, String... modules) {
+        if (opens == null) {
+            opens = new ByteVector();
+        }
+        opens.putShort(cw.newPackage(packaze)).putShort(access);
+        if (modules == null) {
+            opens.putShort(0);
+            size += 6;
+        } else {
+            opens.putShort(modules.length);
+            for(String module: modules) {
+                opens.putShort(cw.newModule(module));
+            }
+            size += 6 + 2 * modules.length;
+        }
+        openCount++;
+    }
+
+    @Override
+    public void visitUse(String service) {
+        if (uses == null) {
+            uses = new ByteVector();
+        }
+        uses.putShort(cw.newClass(service));
+        useCount++;
+        size += 2;
+    }
+
+    @Override
+    public void visitProvide(String service, String... providers) {
+        if (provides == null) {
+            provides = new ByteVector();
+        }
+        provides.putShort(cw.newClass(service));
+        provides.putShort(providers.length);
+        for(String provider: providers) {
+            provides.putShort(cw.newClass(provider));
+        }
+        provideCount++;
+        size += 4 + 2 * providers.length;
+    }
+
+    @Override
+    public void visitEnd() {
+        // empty
+    }
+
+    void putAttributes(ByteVector out) {
+        if (mainClass != 0) {
+            out.putShort(cw.newUTF8("ModuleMainClass")).putInt(2).putShort(mainClass);
+        }
+        if (packages != null) {
+            out.putShort(cw.newUTF8("ModulePackages"))
+               .putInt(2 + 2 * packageCount)
+               .putShort(packageCount)
+               .putByteArray(packages.data, 0, packages.length);
+        }
+    }
+
+    void put(ByteVector out) {
+        out.putInt(size);
+        out.putShort(name).putShort(access).putShort(version);
+        out.putShort(requireCount);
+        if (requires != null) {
+            out.putByteArray(requires.data, 0, requires.length);
+        }
+        out.putShort(exportCount);
+        if (exports != null) {
+            out.putByteArray(exports.data, 0, exports.length);
+        }
+        out.putShort(openCount);
+        if (opens != null) {
+            out.putByteArray(opens.data, 0, opens.length);
+        }
+        out.putShort(useCount);
+        if (uses != null) {
+            out.putByteArray(uses.data, 0, uses.length);
+        }
+        out.putShort(provideCount);
+        if (provides != null) {
+            out.putByteArray(provides.data, 0, provides.length);
+        }
+    }
+}

src/org/redkale/asm/Opcodes.java

@@ -0,0 +1,398 @@
+/*
+ * 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;
+
+/**
+ * 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
+ */
+public interface Opcodes {
+
+    // ASM API versions
+
+    int ASM4 = 4 << 16 | 0 << 8 | 0;
+    int ASM5 = 5 << 16 | 0 << 8 | 0;
+    int ASM6 = 6 << 16 | 0 << 8 | 0;
+
+    // versions
+
+    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 V9 = 0 << 16 | 53;
+    int V10 = 0 << 16 | 54;
+
+    // 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_OPEN = 0x0020; // module
+    int ACC_TRANSITIVE = 0x0020; // module requires
+    int ACC_VOLATILE = 0x0040; // field
+    int ACC_BRIDGE = 0x0040; // method
+    int ACC_STATIC_PHASE = 0x0040; // module requires
+    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, module *
+    int ACC_ANNOTATION = 0x2000; // class
+    int ACC_ENUM = 0x4000; // class(?) field inner
+    int ACC_MANDATED = 0x8000; // parameter, module, module *
+    int ACC_MODULE = 0x8000; // class
+
+
+    // 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;
+
+    // Do not try to change the following code to use auto-boxing,
+    // these values are compared by reference and not by value
+    // The constructor of Integer was deprecated in 9
+    // but we are stuck with it by backward compatibility
+    @SuppressWarnings("deprecation") Integer TOP = new Integer(0);
+    @SuppressWarnings("deprecation") Integer INTEGER = new Integer(1);
+    @SuppressWarnings("deprecation") Integer FLOAT = new Integer(2);
+    @SuppressWarnings("deprecation") Integer DOUBLE = new Integer(3);
+    @SuppressWarnings("deprecation") Integer LONG = new Integer(4);
+    @SuppressWarnings("deprecation") Integer NULL = new Integer(5);
+    @SuppressWarnings("deprecation") 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 +1,934 @@
+/*
+ * 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();
+        int off = 1;
+        while (true) {
+            char car = buf[off++];
+            if (car == ')') {
+                return getType(buf, off);
+            } else if (car == 'L') {
+                while (buf[off++] != ';') {
+                }
+            }
+        }
+    }
+
+    /**
+     * 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 +1,481 @@
+/*
+ * 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;
+
+/**
+ * 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/ApiDocsService.java

@@ -192,7 +192,7 @@ public final class ApiDocsService {
         final FileOutputStream out = new FileOutputStream(new File(app.getHome(), "apidoc.json"));
         out.write(json.getBytes("UTF-8"));
         out.close();
-        File doctemplate = new File(app.getHome(), "conf/apidoc-template.html");
+        File doctemplate = new File(app.getConf(), "apidoc-template.html");
         InputStream in = null;
         if (doctemplate.isFile() && doctemplate.canRead()) {
             in = new FileInputStream(doctemplate);

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
@@ -63,6 +61,11 @@ public final class Application {
      */
     public static final String RESNAME_APP_HOME = "APP_HOME";
 
+    /**
+     * 当前进程的配置目录，如果不是绝对路径则视为HOME目录下的相对路径 类型：String、File、Path
+     */
+    public static final String RESNAME_APP_CONF = "APP_CONF";
+
     /**
      * application.xml 文件中resources节点的内容， 类型： AnyValue
      */
@@ -93,6 +96,16 @@ 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;
+
+    /**
+     * 当前Server的ResourceFactory
+     */
+    public static final String RESNAME_SERVER_RESFACTORY = Server.RESNAME_SERVER_RESFACTORY;
+
     //本地IP地址
     final InetAddress localAddress;
 
@@ -105,8 +118,8 @@ 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();
@@ -129,9 +142,15 @@ public final class Application {
     //进程根目录
     private final File home;
 
+    //配置文件目录
+    private final File conf;
+
     //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();
 
@@ -159,6 +178,12 @@ public final class Application {
         try {
             this.resourceFactory.register(RESNAME_APP_HOME, root.getCanonicalPath());
             this.home = root.getCanonicalFile();
+            String confsubpath = System.getProperty(RESNAME_APP_CONF, "conf");
+            if (confsubpath.charAt(0) == '/' || confsubpath.indexOf(':') > 0) {
+                this.conf = new File(confsubpath).getCanonicalFile();
+            } else {
+                this.conf = new File(this.home, confsubpath).getCanonicalFile();
+            }
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
@@ -183,7 +208,7 @@ public final class Application {
             System.setProperty(RESNAME_APP_NODE, node);
         }
         //以下是初始化日志配置
-        final File logconf = new File(root, "conf/logging.properties");
+        final File logconf = new File(conf, "logging.properties");
         if (logconf.isFile() && logconf.canRead()) {
             try {
                 final String rootpath = root.getCanonicalPath().replace('\\', '/');
@@ -234,27 +259,34 @@ 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 readTimeoutSeconds = TransportFactory.DEFAULT_READTIMEOUTSECONDS;
+        int writeTimeoutSeconds = TransportFactory.DEFAULT_WRITETIMEOUTSECONDS;
+        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);
+                readTimeoutSeconds = transportConf.getIntValue("readTimeoutSeconds", readTimeoutSeconds);
+                writeTimeoutSeconds = transportConf.getIntValue("writeTimeoutSeconds", writeTimeoutSeconds);
+                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;
                     });
@@ -262,7 +294,7 @@ public final class Application {
                 try {
                     final String strategyClass = transportConf.getValue("strategy");
                     if (strategyClass != null && !strategyClass.isEmpty()) {
-                        strategy = (TransportStrategy) classLoader.loadClass(strategyClass).newInstance();
+                        strategy = (TransportStrategy) classLoader.loadClass(strategyClass).getDeclaredConstructor().newInstance();
                     }
                     final AtomicInteger counter = new AtomicInteger();
                     transportExec = Executors.newFixedThreadPool(threads, (Runnable r) -> {
@@ -275,7 +307,7 @@ 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 +324,20 @@ 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, readTimeoutSeconds, writeTimeoutSeconds, strategy);
+        DefaultAnyValue tarnsportConf = DefaultAnyValue.create(TransportFactory.NAME_POOLMAXCONNS, System.getProperty("net.transport.poolmaxconns", "100"))
+            .addValue(TransportFactory.NAME_PINGINTERVAL, System.getProperty("net.transport.pinginterval", "30"))
+            .addValue(TransportFactory.NAME_CHECKINTERVAL, System.getProperty("net.transport.checkinterval", "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 +346,8 @@ public final class Application {
         return resourceFactory;
     }
 
-    public TransportFactory getTransportFactory() {
-        return transportFactory;
+    public TransportFactory getSncpTransportFactory() {
+        return sncpTransportFactory;
     }
 
     public RedkaleClassLoader getClassLoader() {
@@ -321,6 +366,10 @@ public final class Application {
         return home;
     }
 
+    public File getConf() {
+        return conf;
+    }
+
     public long getStartTime() {
         return startTime;
     }
@@ -330,7 +379,11 @@ public final class Application {
     }
 
     public void init() throws Exception {
+        System.setProperty("sun.nio.ch.internalThreadPoolSize", "" + Runtime.getRuntime().availableProcessors() * 4);
         System.setProperty("java.util.concurrent.ForkJoinPool.common.parallelism", "" + Runtime.getRuntime().availableProcessors() * 4);
+        System.setProperty("net.transport.poolmaxconns", "100");
+        System.setProperty("net.transport.pinginterval", "30");
+        System.setProperty("net.transport.checkinterval", "30");
         System.setProperty("convert.bson.tiny", "true");
         System.setProperty("convert.json.tiny", "true");
         System.setProperty("convert.bson.pool.size", "128");
@@ -338,12 +391,13 @@ public final class Application {
         System.setProperty("convert.bson.writer.buffer.defsize", "4096");
         System.setProperty("convert.json.writer.buffer.defsize", "4096");
 
-        File persist = new File(this.home, "conf/persistence.xml");
+        File persist = new File(this.conf, "persistence.xml");
         final String homepath = this.home.getCanonicalPath();
+        final String confpath = this.conf.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("${APP_HOME}", homepath);
-        lib = lib.isEmpty() ? (homepath + "/conf") : (lib + ";" + homepath + "/conf");
+        logger.log(Level.INFO, "APP_JAVA = " + System.getProperty("java.version") + "\r\n" + RESNAME_APP_ADDR + " = " + this.localAddress.getHostAddress() + "\r\n" + RESNAME_APP_HOME + " = " + homepath + "\r\n" + RESNAME_APP_CONF + " = " + confpath);
+        String lib = config.getValue("lib", "${APP_HOME}/libs/*").trim().replace("${APP_HOME}", homepath);
+        lib = lib.isEmpty() ? confpath : (lib + ";" + confpath);
         Server.loadLib(classLoader, logger, lib);
 
         //------------------------------------------------------------------------
@@ -356,8 +410,7 @@ public final class Application {
                 if (dfloads != null) {
                     for (String dfload : dfloads.split(";")) {
                         if (dfload.trim().isEmpty()) continue;
-                        dfload = dfload.trim().replace("${APP_HOME}", home.getCanonicalPath()).replace('\\', '/');
-                        final File df = (dfload.indexOf('/') < 0) ? new File(home, "conf/" + dfload) : new File(dfload);
+                        final File df = (dfload.indexOf('/') < 0) ? new File(conf, "/" + dfload) : new File(dfload);
                         if (df.isFile()) {
                             Properties ps = new Properties();
                             InputStream in = new FileInputStream(df);
@@ -371,7 +424,6 @@ public final class Application {
                     String name = prop.getValue("name");
                     String value = prop.getValue("value");
                     if (name == null || value == null) continue;
-                    value = value.replace("${APP_HOME}", home.getCanonicalPath()).replace('\\', '/');
                     if (name.startsWith("system.property.")) {
                         System.setProperty(name.substring("system.property.".length()), value);
                     } else if (name.startsWith("mimetype.property.")) {
@@ -404,9 +456,10 @@ public final class Application {
                     if (type == Application.class) {
                         field.set(src, application);
                     } else if (type == ResourceFactory.class) {
-                        field.set(src, res.name().equalsIgnoreCase("server") ? rf : (res.name().isEmpty() ? application.resourceFactory : null));
+                        boolean serv = RESNAME_SERVER_RESFACTORY.equals(res.name()) || res.name().equalsIgnoreCase("server");
+                        field.set(src, serv ? 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 +525,17 @@ 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;
+                @SuppressWarnings("unchecked")
+                ApplicationListener listener = (ApplicationListener) clazz.getDeclaredConstructor().newInstance();
+                listener.init(config);
+                this.listeners.add(listener);
             }
         }
         //------------------------------------------------------------------------
@@ -480,8 +543,8 @@ public final class Application {
 
     public void restoreConfig() throws IOException {
         synchronized (this) {
-            File confFile = new File(this.home, "conf/application.xml");
-            confFile.renameTo(new File(this.home, "conf/application_" + String.format("%1$tY%1$tm%1$td%1$tH%1$tM%1$tS", System.currentTimeMillis()) + ".xml"));
+            File confFile = new File(this.conf, "application.xml");
+            confFile.renameTo(new File(this.conf, "application_" + String.format("%1$tY%1$tm%1$td%1$tH%1$tM%1$tS", System.currentTimeMillis()) + ".xml"));
             final PrintStream ps = new PrintStream(new FileOutputStream(confFile));
             ps.append(config.toXML("application"));
             ps.close();
@@ -562,15 +625,15 @@ public final class Application {
         buffer.flip();
         channel.write(buffer);
         buffer.clear();
-        channel.configureBlocking(false);
+        channel.configureBlocking(true);
         try {
             channel.read(buffer);
             buffer.flip();
             byte[] bytes = new byte[buffer.remaining()];
             buffer.get(bytes);
             channel.close();
-            logger.info(new String(bytes));
-            Thread.sleep(500);
+            logger.info("Send: " + command + ", Reply: " + new String(bytes));
+            Thread.sleep(1000);
         } catch (Exception e) {
             if (e instanceof PortUnreachableException) {
                 if ("APIDOC".equalsIgnoreCase(command)) {
@@ -622,36 +685,35 @@ 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) {
-            try {
-                Signal.handle(sig, handler);
-            } catch (Exception e) {
-            }
-        }
-    }
-
+//    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());
@@ -751,10 +813,17 @@ 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)));
+        String confsubpath = System.getProperty(RESNAME_APP_CONF, "conf");
+        File appfile;
+        if (confsubpath.charAt(0) == '/' || confsubpath.indexOf(':') > 0) {
+            appfile = new File(confsubpath).getCanonicalFile();
+        } else {
+            appfile = new File(new File(home), confsubpath);
+        }
+        File appconf = new File(appfile, "application.xml");
+        return new Application(singleton, load(new FileInputStream(appconf)));
     }
 
     public static void main(String[] args) throws Exception {
@@ -771,6 +840,9 @@ 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);
@@ -789,6 +861,14 @@ 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();
@@ -815,7 +895,7 @@ 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;
                         }
@@ -259,7 +266,7 @@ public class LogFileHandler extends Handler {
         try {
             if (filterstr != null) {
                 Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(filterstr);
-                setFilter((Filter) clz.newInstance());
+                setFilter((Filter) clz.getDeclaredConstructor().newInstance());
             }
         } catch (Exception e) {
         }
@@ -267,7 +274,7 @@ public class LogFileHandler extends Handler {
         try {
             if (formatterstr != null) {
                 Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(formatterstr);
-                setFormatter((Formatter) clz.newInstance());
+                setFormatter((Formatter) clz.getDeclaredConstructor().newInstance());
             }
         } catch (Exception e) {
         }
@@ -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() {
@@ -55,16 +56,19 @@ public class NodeHttpServer extends NodeServer {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected ClassFilter<Service> createServiceClassFilter() {
         return createClassFilter(this.sncpGroup, null, Service.class, new Class[]{org.redkale.watch.WatchService.class}, Annotation.class, "services", "service");
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected ClassFilter<Filter> createFilterClassFilter() {
         return createClassFilter(null, null, HttpFilter.class, new Class[]{WatchFilter.class}, null, "filters", "filter");
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected ClassFilter<Servlet> createServletClassFilter() {
         return createClassFilter(null, WebServlet.class, HttpServlet.class, new Class[]{WatchServlet.class}, null, "servlets", "servlet");
     }
@@ -86,6 +90,7 @@ public class NodeHttpServer extends NodeServer {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected void loadServlet(ClassFilter<? extends Servlet> servletFilter, ClassFilter otherFilter) throws Exception {
         if (httpServer != null) loadHttpServlet(servletFilter, otherFilter);
     }
@@ -108,13 +113,18 @@ 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);
-                    logger.fine("[" + Thread.currentThread().getName() + "] Load Service " + nodeService);
                     field.set(src, nodeService);
+                    logger.fine("[" + Thread.currentThread().getName() + "] Load Service " + nodeService);
                 }
             } catch (Exception e) {
                 logger.log(Level.SEVERE, "WebSocketNode inject error", e);
@@ -130,7 +140,7 @@ public class NodeHttpServer extends NodeServer {
         for (FilterEntry<? extends Filter> en : list) {
             Class<HttpFilter> clazz = (Class<HttpFilter>) en.getType();
             if (Modifier.isAbstract(clazz.getModifiers())) continue;
-            final HttpFilter filter = clazz.newInstance();
+            final HttpFilter filter = clazz.getDeclaredConstructor().newInstance();
             resourceFactory.inject(filter, this);
             DefaultAnyValue filterConf = (DefaultAnyValue) en.getProperty();
             this.httpServer.addHttpFilter(filter, filterConf);
@@ -166,7 +176,7 @@ public class NodeHttpServer extends NodeServer {
             if (Modifier.isAbstract(clazz.getModifiers())) continue;
             WebServlet ws = clazz.getAnnotation(WebServlet.class);
             if (ws == null || ws.value().length == 0) continue;
-            final HttpServlet servlet = clazz.newInstance();
+            final HttpServlet servlet = clazz.getDeclaredConstructor().newInstance();
             resourceFactory.inject(servlet, this);
             final String[] mappings = ws.value();
             String pref = ws.repair() ? prefix : "";
@@ -306,7 +316,7 @@ public class NodeHttpServer extends NodeServer {
                 WebServlet ws = servlet.getClass().getAnnotation(WebServlet.class);
                 if (ws != null && !ws.repair()) prefix2 = "";
                 resourceFactory.inject(servlet, NodeHttpServer.this);
-                if (finest) logger.finest(threadName + " " + stype.getName() + " create RestWebSocketServlet " + servlet);
+                if (finest) logger.finest(threadName + " " + stype.getName() + " create a RestWebSocketServlet");
                 if (ss != null) {
                     String[] mappings = servlet.getClass().getAnnotation(WebServlet.class).value();
                     for (int i = 0; i < mappings.length; i++) {

src/org/redkale/boot/NodeServer.java

@@ -19,10 +19,9 @@ import javax.annotation.*;
 import javax.persistence.Transient;
 import static org.redkale.boot.Application.*;
 import org.redkale.boot.ClassFilter.FilterEntry;
-import org.redkale.convert.bson.*;
 import org.redkale.net.Filter;
 import org.redkale.net.*;
-import org.redkale.net.http.WebSocketServlet;
+import org.redkale.net.http.*;
 import org.redkale.net.sncp.*;
 import org.redkale.service.*;
 import org.redkale.source.*;
@@ -90,12 +89,13 @@ 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);
         this.serverThread = Thread.currentThread();
+        this.server.setServerClassLoader(serverClassLoader);
     }
 
     public static <T extends NodeServer> NodeServer create(Class<T> clazz, Application application, AnyValue serconf) {
@@ -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");
         }
@@ -135,17 +135,21 @@ 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", "");
         if (!interceptorClass.isEmpty()) {
             Class clazz = serverClassLoader.loadClass(interceptorClass);
-            this.interceptor = (NodeInterceptor) clazz.newInstance();
+            this.interceptor = (NodeInterceptor) clazz.getDeclaredConstructor().newInstance();
         }
 
         ClassFilter<Service> serviceFilter = createServiceClassFilter();
@@ -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)) {
@@ -193,7 +198,7 @@ public abstract class NodeServer {
                 }
             }
         }
-        //------------------------------------- 注册Resource --------------------------------------------------------
+        //------------------------------------- 注册 Resource --------------------------------------------------------
         resourceFactory.register((ResourceFactory rf, final Object src, String resourceName, Field field, final Object attachment) -> {
             try {
                 Resource res = field.getAnnotation(Resource.class);
@@ -216,12 +221,37 @@ public abstract class NodeServer {
             }
         }, AnyValue.class, AnyValue[].class);
 
-        //------------------------------------- 注册DataSource --------------------------------------------------------        
+        //------------------------------------- 注册 DataSource --------------------------------------------------------        
         resourceFactory.register((ResourceFactory rf, final Object src, String resourceName, Field field, final Object attachment) -> {
             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"));
+                    boolean can = false;
+                    for (Constructor cr : sourceType.getConstructors()) {
+                        if (cr.getParameterCount() == 0) {
+                            can = true;
+                            break;
+                        }
+                    }
+                    if (DataSource.class.isAssignableFrom(sourceType) && can) { // 必须有空构造函数
+                        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 +262,7 @@ 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);
@@ -242,14 +272,15 @@ 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);
             }
         }, DataSource.class);
 
-        //------------------------------------- 注册CacheSource --------------------------------------------------------
+        //------------------------------------- 注册 CacheSource --------------------------------------------------------
         resourceFactory.register(new ResourceFactory.ResourceLoader() {
+            @Override
             public void load(ResourceFactory rf, final Object src, final String resourceName, Field field, final Object attachment) {
                 try {
                     if (field.getAnnotation(Resource.class) == null) return;
@@ -264,20 +295,16 @@ 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);
@@ -298,10 +325,46 @@ public abstract class NodeServer {
                 }
             }
 
+            @Override
             public boolean autoNone() {
                 return false;
             }
         }, CacheSource.class);
+
+        //------------------------------------- 注册 WebSocketNode --------------------------------------------------------
+        resourceFactory.register(new ResourceFactory.ResourceLoader() {
+            @Override
+            public void load(ResourceFactory rf, final Object src, final String resourceName, Field field, final Object attachment) {
+                try {
+                    if (field.getAnnotation(Resource.class) == null) return;
+                    if ((src instanceof Service) && Sncp.isRemote((Service) src)) return; //远程模式不需要注入 WebSocketNode 
+                    Service nodeService = (Service) rf.find(resourceName, WebSocketNode.class);
+                    if (nodeService == null) {
+                        final HashSet<String> groups = new HashSet<>();
+                        if (groups.isEmpty() && isSNCP() && NodeServer.this.sncpGroup != null) groups.add(NodeServer.this.sncpGroup);
+                        nodeService = Sncp.createLocalService(serverClassLoader, resourceName, WebSocketNodeService.class, application.getResourceFactory(), application.getSncpTransportFactory(), NodeServer.this.sncpAddress, groups, (AnyValue) null);
+                        (isSNCP() ? appResFactory : resourceFactory).register(resourceName, WebSocketNode.class, nodeService);
+                    }
+                    resourceFactory.inject(nodeService, self);
+                    field.set(src, nodeService);
+                    if (Sncp.isRemote(nodeService)) {
+                        remoteServices.add(nodeService);
+                    } else {
+                        if (field != null) rf.inject(nodeService); //动态加载的Service也存在按需加载的注入资源
+                        localServices.add(nodeService);
+                        interceptorServices.add(nodeService);
+                        if (consumer != null) consumer.accept(nodeService);
+                    }
+                } catch (Exception e) {
+                    logger.log(Level.SEVERE, "WebSocketNode inject error", e);
+                }
+            }
+
+            @Override
+            public boolean autoNone() {
+                return false;
+            }
+        }, WebSocketNode.class);
     }
 
     @SuppressWarnings("unchecked")
@@ -311,7 +374,7 @@ 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
@@ -321,7 +384,6 @@ public abstract class NodeServer {
                 if (DataSource.class.isAssignableFrom(serviceImplClass)) continue;
                 if (CacheSource.class.isAssignableFrom(serviceImplClass)) continue;
                 if (DataCacheListener.class.isAssignableFrom(serviceImplClass)) continue;
-                //if (WebSocketNode.class.isAssignableFrom(serviceImplClass)) continue;
             }
             if (entry.getName().contains("$")) throw new RuntimeException("<name> value cannot contains '$' in " + entry.getProperty());
             Service oldother = resourceFactory.find(entry.getName(), serviceImplClass);
@@ -342,9 +404,9 @@ 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
 
@@ -438,125 +500,6 @@ public abstract class NodeServer {
         maxClassNameLength = Math.max(maxClassNameLength, Sncp.getResourceType(y).getName().length() + 1);
     }
 
-    //尚未完整实现， 先屏蔽， 单个Service在多个Server中存在的情况下进行缓存的方案还未考虑清楚
-    @SuppressWarnings("unchecked")
-    private void loadPersistData() throws Exception {
-        File home = application.getHome();
-        if (home == null || !home.isDirectory()) return;
-        File cachedir = new File(home, "cache");
-        if (!cachedir.isDirectory()) return;
-        int port = this.server.getSocketAddress().getPort();
-        final String prefix = "persist-" + port + "-";
-        final BsonConvert convert = BsonFactory.create().skipAllIgnore(true).getConvert();
-        synchronized (this.application) {
-            for (final File file : cachedir.listFiles((dir, name) -> name.startsWith(prefix))) {
-                if (!file.getName().endsWith(".bat")) continue;
-                String classAndResname = file.getName().substring(prefix.length(), file.getName().length() - 4); //去掉尾部的.bat
-                int pos = classAndResname.indexOf('-');
-                String servtype = pos > 0 ? classAndResname.substring(0, pos) : classAndResname;
-                String resname = pos > 0 ? classAndResname.substring(pos + 1) : "";
-
-                FileInputStream in = new FileInputStream(file);
-                ByteArrayOutputStream out = new ByteArrayOutputStream();
-                int b;
-                while ((b = in.read()) != '\n') out.write(b);
-                final String[] fieldNames = out.toString().split(",");
-                int timeout = (int) ((System.currentTimeMillis() - file.lastModified()) / 1000);
-                for (final Service service : this.localServices) {
-                    if (!servtype.equals(Sncp.getResourceType(service).getName())) continue;
-                    if (!resname.equals(Sncp.getResourceName(service))) continue;
-                    for (final String fieldName : fieldNames) {
-                        Field field = null;
-                        Class clzz = service.getClass();
-                        do {
-                            try {
-                                field = clzz.getDeclaredField(fieldName);
-                                break;
-                            } catch (Exception e) {
-                            }
-                        } while ((clzz = clzz.getSuperclass()) != Object.class);
-                        field.setAccessible(true);
-                        Object val = convert.convertFrom(field.getGenericType(), in);
-                        Persist persist = field.getAnnotation(Persist.class);
-                        if (persist.timeout() == 0 || persist.timeout() >= timeout) {
-                            if (Modifier.isFinal(field.getModifiers())) {
-                                if (Map.class.isAssignableFrom(field.getType())) {
-                                    ((Map) field.get(service)).putAll((Map) val);
-                                } else if (Collection.class.isAssignableFrom(field.getType())) {
-                                    ((Collection) field.get(service)).addAll((Collection) val);
-                                }
-                            } else {
-                                field.set(service, val);
-                            }
-                        }
-                        if (in.read() != '\n') logger.log(Level.SEVERE, servtype + "'s [" + resname + "] load value error");
-                    }
-                }
-                in.close();
-            }
-        }
-    }
-
-    //尚未完整实现， 先屏蔽
-    @SuppressWarnings("unchecked")
-    private void savePersistData() throws IOException {
-        File home = application.getHome();
-        if (home == null || !home.isDirectory()) return;
-        File cachedir = new File(home, "cache");
-        int port = this.server.getSocketAddress().getPort();
-        final String prefix = "persist-" + port + "-";
-        final BsonConvert convert = BsonFactory.create().skipAllIgnore(true).getConvert();
-        for (final Service service : this.localServices) {
-            Class clzz = service.getClass();
-            final Set<String> fieldNameSet = new HashSet<>();
-            final List<Field> fields = new ArrayList<>();
-            final StringBuilder sb = new StringBuilder();
-            do {
-                for (Field field : clzz.getDeclaredFields()) {
-                    if (field.getAnnotation(Persist.class) == null) continue;
-                    if (fieldNameSet.contains(field.getName())) continue;
-                    if (Modifier.isStatic(field.getModifiers())) throw new RuntimeException(field + " cannot static on @" + Persist.class.getName() + " in " + clzz.getName());
-                    if (Modifier.isFinal(field.getModifiers()) && !Map.class.isAssignableFrom(field.getType()) && !Collection.class.isAssignableFrom(field.getType())) {
-                        throw new RuntimeException(field + " cannot final on @" + Persist.class.getName() + " in " + clzz.getName());
-                    }
-                    fieldNameSet.add(field.getName());
-                    field.setAccessible(true);
-                    try {
-                        if (field.get(service) == null) continue;
-                    } catch (Exception e) {
-                        logger.log(Level.SEVERE, field + " get value error", e);
-                        continue;
-                    }
-                    fields.add(field);
-                    if (sb.length() > 0) sb.append(',');
-                    sb.append(field.getName());
-                }
-            } while ((clzz = clzz.getSuperclass()) != Object.class);
-
-            if (fields.isEmpty()) continue; //没有数据需要缓存
-//            synchronized (this.application.localServices) {
-//                if (this.application.localServices.contains(service)) continue;
-//                this.application.localServices.add(service);
-//            }
-            if (!cachedir.isDirectory()) cachedir.mkdirs();
-            String resname = Sncp.getResourceName(service);
-            FileOutputStream out = new FileOutputStream(new File(cachedir, prefix + Sncp.getResourceType(service).getName() + (resname.isEmpty() ? "" : ("-" + resname)) + ".bat"));
-            out.write(sb.toString().getBytes());
-            out.write('\n');
-            for (Field field : fields) {
-                Object val = null;
-                try {
-                    val = field.get(service);
-                } catch (Exception e) {
-                    logger.log(Level.SEVERE, field + " save value error", e);
-                }
-                convert.convertTo(out, field.getGenericType(), val);
-                out.write('\n');
-            }
-            out.close();
-        }
-    }
-
     protected abstract ClassFilter<Filter> createFilterClassFilter();
 
     protected abstract ClassFilter<Servlet> createServletClassFilter();
@@ -689,9 +632,12 @@ public abstract class NodeServer {
     public void shutdown() throws IOException {
         if (interceptor != null) interceptor.preShutdown(this);
         final StringBuilder sb = logger.isLoggable(Level.INFO) ? new StringBuilder() : null;
+        final boolean finest = logger.isLoggable(Level.FINEST);
         localServices.forEach(y -> {
             long s = System.currentTimeMillis();
+            if (finest) logger.finest(y + " is destroying");
             y.destroy(Sncp.getConf(y));
+            if (finest) logger.finest(y + " was destroyed");
             long e = System.currentTimeMillis() - s;
             if (e > 2 && sb != null) {
                 sb.append(Sncp.toSimpleString(y, maxNameLength, maxClassNameLength)).append(" destroy ").append(e).append("ms").append(LINE_SEPARATOR);

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
@@ -93,7 +93,7 @@ public class NodeSncpServer extends NodeServer {
         for (FilterEntry<? extends Filter> en : list) {
             Class<SncpFilter> clazz = (Class<SncpFilter>) en.getType();
             if (Modifier.isAbstract(clazz.getModifiers())) continue;
-            final SncpFilter filter = clazz.newInstance();
+            final SncpFilter filter = clazz.getDeclaredConstructor().newInstance();
             resourceFactory.inject(filter, this);
             DefaultAnyValue filterConf = (DefaultAnyValue) en.getProperty();
             this.sncpServer.addSncpFilter(filter, filterConf);

src/org/redkale/boot/NodeWatchServer.java

@@ -24,16 +24,19 @@ public class NodeWatchServer extends NodeHttpServer {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected ClassFilter<Service> createServiceClassFilter() {
         return createClassFilter(this.sncpGroup, null, WatchService.class, null, Annotation.class, "services", "service");
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected ClassFilter<Filter> createFilterClassFilter() {
         return createClassFilter(null, null, WatchFilter.class, null, null, "filters", "filter");
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     protected ClassFilter<Servlet> createServletClassFilter() {
         return createClassFilter(null, WebServlet.class, WatchServlet.class, null, null, "servlets", "servlet");
     }

src/org/redkale/boot/watch/ServerWatchService.java

@@ -5,7 +5,13 @@
  */
 package org.redkale.boot.watch;
 
-import org.redkale.net.http.RestService;
+import java.util.*;
+import javax.annotation.Resource;
+import org.redkale.boot.*;
+import org.redkale.net.Server;
+import org.redkale.net.http.*;
+import org.redkale.service.RetResult;
+import org.redkale.util.Comment;
 
 /**
  *
@@ -14,4 +20,66 @@ import org.redkale.net.http.RestService;
 @RestService(name = "server", catalog = "watch", repair = false)
 public class ServerWatchService extends AbstractWatchService {
 
+    @Comment("不存在的Server节点")
+    public static final int RET_SERVER_NOT_EXISTS = 1602_0001;
+
+    @Resource
+    private Application application;
+
+    @RestMapping(name = "info", comment = "单个Server信息查询")
+    public RetResult info(@RestParam(name = "#port:") int port) {
+        NodeServer node = null;
+        for (NodeServer ns : application.getNodeServers()) {
+            if (ns.getServer().getSocketAddress().getPort() == port) {
+                node = ns;
+                break;
+            }
+        }
+        if (node == null) return new RetResult(RET_SERVER_NOT_EXISTS, "Server(port=" + port + ") not found");
+        return new RetResult(formatToMap(node));
+    }
+
+    @RestMapping(name = "infos", comment = "Server信息查询")
+    public RetResult infos() {
+        Map<String, Object> rs = new LinkedHashMap<>();
+        for (NodeServer ns : application.getNodeServers()) {
+            Server server = ns.getServer();
+            rs.put("" + server.getSocketAddress().getPort(), formatToMap(ns));
+        }
+        return new RetResult(rs);
+    }
+
+    private Map<String, Object> formatToMap(NodeServer node) {
+        Server server = node.getServer();
+        Map<String, Object> rs = new LinkedHashMap<>();
+        String protocol = server.getProtocol();
+        if (node instanceof NodeSncpServer) {
+            protocol += "/SNCP";
+        } else if (node instanceof NodeWatchServer) {
+            protocol += "/WATCH";
+        } else if (node instanceof NodeHttpServer) {
+            protocol += "/HTTP";
+        } else {
+            NodeProtocol np = node.getClass().getAnnotation(NodeProtocol.class);
+            if (np != null && np.value().length > 0) protocol += "/" + np.value()[0];
+        }
+        rs.put("name", server.getName());
+        rs.put("protocol", protocol);
+        rs.put("address", server.getSocketAddress());
+        rs.put("threads", server.getThreads());
+        rs.put("backlog", server.getBacklog());
+        rs.put("bufferCapacity", server.getBufferCapacity());
+        rs.put("bufferPoolSize", server.getBufferPoolSize());
+        rs.put("charset", server.getCharset() == null ? "UTF-8" : server.getCharset().name());
+        rs.put("maxbody", server.getMaxbody());
+        rs.put("maxconns", server.getMaxconns());
+        rs.put("serverStartTime", server.getServerStartTime());
+        rs.put("responsePoolSize", server.getResponsePoolSize());
+        rs.put("readTimeoutSeconds", server.getReadTimeoutSeconds());
+        rs.put("writeTimeoutSeconds", server.getWriteTimeoutSeconds());
+        rs.put("createConnectionCount", server.getCreateConnectionCount());
+        rs.put("livingConnectionCount", server.getLivingConnectionCount());
+        rs.put("closedConnectionCount", server.getClosedConnectionCount());
+        return rs;
+    }
 }

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.*;
 
@@ -53,6 +53,9 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
 
     private final Set<Class> skipIgnores = new HashSet();
 
+    //key:需要屏蔽的字段；value：排除的字段名
+    private final ConcurrentHashMap<Class, Set<String>> ignoreAlls = new ConcurrentHashMap();
+
     private boolean skipAllIgnore = false;
 
     protected ConvertFactory(ConvertFactory<R, W> parent, boolean tiny) {
@@ -88,16 +91,17 @@ 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 +111,18 @@ 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]);
                 }
@@ -145,15 +152,41 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
         return this;
     }
 
-    public ConvertColumnEntry findRef(AccessibleObject element) {
-        if (element == null) return null;
-        ConvertColumnEntry en = this.columnEntrys.get(element);
-        if (en != null) return en;
-        final ConvertType ct = this.getConvertType();
-        ConvertColumn[] ccs = element.getAnnotationsByType(ConvertColumn.class);
+    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);
+        Set<String> onlyColumns = null;
+        if (element instanceof Method) {
+            onlyColumns = ignoreAlls.get(((Method) element).getDeclaringClass());
+        } else if (element instanceof Field) {
+            onlyColumns = ignoreAlls.get(((Field) element).getDeclaringClass());
+        }
+        if (en != null && onlyColumns == null) return en;
+        final ConvertType ct = this.getConvertType();
+        ConvertColumn[] ccs = element.getAnnotationsByType(ConvertColumn.class);
+        String fieldName = null;
+        if (ccs.length == 0 && element instanceof Method) {
+            final Method method = (Method) element;
+            fieldName = readGetSetFieldName(method);
             if (fieldName != null) {
                 try {
                     ccs = method.getDeclaringClass().getDeclaredField(fieldName).getAnnotationsByType(ConvertColumn.class);
@@ -161,8 +194,22 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
                 }
             }
         }
+        if (onlyColumns != null && fieldName == null) {
+            if (element instanceof Method) {
+                fieldName = readGetSetFieldName((Method) element);
+            } else if (element instanceof Field) {
+                fieldName = ((Field) element).getName();
+            }
+        }
+        if (ccs.length == 0 && onlyColumns != null && fieldName != null) {
+            if (!onlyColumns.contains(fieldName)) return new ConvertColumnEntry(fieldName, true);
+        }
         for (ConvertColumn ref : ccs) {
             if (ref.type().contains(ct)) {
+                if (onlyColumns != null && fieldName != null) {
+                    String realName = ref.name().isEmpty() ? fieldName : ref.name();
+                    if (!onlyColumns.contains(realName)) return new ConvertColumnEntry(realName, true);
+                }
                 ConvertColumnEntry entry = new ConvertColumnEntry(ref);
                 if (skipAllIgnore) {
                     entry.setIgnore(false);
@@ -295,6 +342,22 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
         skipIgnores.add(type);
     }
 
+    /**
+     * 屏蔽指定类所有字段，仅仅保留指定字段 <br>
+     * <b>注意: 该配置优先级高于skipAllIgnore和ConvertColumnEntry配置</b>
+     *
+     * @param type           指定的类
+     * @param excludeColumns 需要排除的字段名
+     */
+    public final void registerIgnoreAll(final Class type, String... excludeColumns) {
+        Set<String> set = ignoreAlls.get(type);
+        if (set == null) {
+            ignoreAlls.put(type, new HashSet<>(Arrays.asList(excludeColumns)));
+        } else {
+            set.addAll(Arrays.asList(excludeColumns));
+        }
+    }
+
     public final void register(final Class type, boolean ignore, String... columns) {
         for (String column : columns) {
             register(type, column, new ConvertColumnEntry(column, ignore));
@@ -373,12 +436,17 @@ 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) {
@@ -428,8 +496,7 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
         } else {
             throw new ConvertException("not support the type (" + type + ")");
         }
-        decoder = findDecoder(clazz);
-        if (decoder != null) return decoder;
+        //此处不能再findDecoder，否则type与class不一致, 如: RetResult 和 RetResult<Integer>
         return createDecoder(type, clazz);
     }
 
@@ -459,6 +526,8 @@ 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;
@@ -513,8 +582,7 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
         } else {
             throw new ConvertException("not support the type (" + type + ")");
         }
-        encoder = findEncoder(clazz);
-        if (encoder != null) return encoder;
+        //此处不能再findEncoder，否则type与class不一致, 如: RetResult 和 RetResult<Integer> 
         return createEncoder(type, clazz);
     }
 
@@ -544,6 +612,8 @@ 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 +1,108 @@
+/*
+ * 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();
+
+    @SuppressWarnings("unchecked")
+    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/BigIntegerSimpledCoder.java

@@ -25,6 +25,7 @@ public final class BigIntegerSimpledCoder<R extends Reader, W extends Writer> ex
     public static final BigIntegerSimpledCoder instance = new BigIntegerSimpledCoder();
 
     @Override
+    @SuppressWarnings("unchecked")
     public void convertTo(W out, BigInteger value) {
         if (value == null) {
             out.writeNull();
@@ -34,6 +35,7 @@ public final class BigIntegerSimpledCoder<R extends Reader, W extends Writer> ex
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public BigInteger convertFrom(R in) {
         byte[] bytes = ByteArraySimpledCoder.instance.convertFrom(in);
         return bytes == null ? null : new BigInteger(bytes);

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

@@ -27,6 +27,7 @@ public final class DLongSimpledCoder<R extends Reader, W extends Writer> extends
     public static final DLongSimpledCoder instance = new DLongSimpledCoder();
 
     @Override
+    @SuppressWarnings("unchecked")
     public void convertTo(final W out, final DLong value) {
         if (value == null) {
             out.writeNull();
@@ -36,6 +37,7 @@ public final class DLongSimpledCoder<R extends Reader, W extends Writer> extends
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public DLong convertFrom(R in) {
         byte[] bs = bsSimpledCoder.convertFrom(in);
         if (bs == null) return null;

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 +69,26 @@ 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
+        @SuppressWarnings("unchecked")
+        public void convertTo(W out, DoubleStream values) {
+            if (values == null) {
+                out.writeNull();
+                return;
+            }
+            DoubleArraySimpledCoder.instance.convertTo(out, values.toArray());
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        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 +69,26 @@ 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
+        @SuppressWarnings("unchecked")
+        public void convertTo(W out, IntStream values) {
+            if (values == null) {
+                out.writeNull();
+                return;
+            }
+            IntArraySimpledCoder.instance.convertTo(out, values.toArray());
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        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 +69,26 @@ 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
+        @SuppressWarnings("unchecked")
+        public void convertTo(W out, LongStream values) {
+            if (values == null) {
+                out.writeNull();
+                return;
+            }
+            LongArraySimpledCoder.instance.convertTo(out, values.toArray());
+        }
+
+        @Override
+        @SuppressWarnings("unchecked")
+        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

@@ -22,8 +22,6 @@ import org.redkale.util.*;
  */
 public class JsonByteBufferWriter extends JsonWriter {
 
-    protected static final Charset UTF8 = Charset.forName("UTF-8");
-
     protected Charset charset;
 
     private final Supplier<ByteBuffer> supplier;
@@ -38,7 +36,7 @@ public class JsonByteBufferWriter extends JsonWriter {
 
     protected JsonByteBufferWriter(boolean tiny, Charset charset, Supplier<ByteBuffer> supplier) {
         this.tiny = tiny;
-        this.charset = UTF8.equals(charset) ? null : charset;
+        this.charset = StandardCharsets.UTF_8.equals(charset) ? null : charset;
         this.supplier = supplier;
     }
 
@@ -155,7 +153,7 @@ 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 +167,7 @@ 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 +12,8 @@ import java.nio.channels.*;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.function.Consumer;
+import javax.net.ssl.SSLContext;
 
 /**
  *
@@ -22,29 +24,67 @@ 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
 
-    //关闭数
-    AtomicLong closedCounter = new AtomicLong();
+    protected volatile long readtime;
+
+    protected volatile long writetime;
 
     //在线数
-    AtomicLong livingCounter = new AtomicLong();
+    protected AtomicLong livingCounter;
+
+    //关闭数
+    protected AtomicLong closedCounter;
+
+    protected Consumer<AsyncConnection> beforeCloseListener;
+
+    public final long getLastReadTime() {
+        return readtime;
+    }
+
+    public final long getLastWriteTime() {
+        return writetime;
+    }
 
     public abstract boolean isTCP();
 
+    public abstract boolean shutdownInput();
+
+    public abstract boolean shutdownOutput();
+
+    public abstract <T> boolean setOption(SocketOption<T> name, T value);
+
+    public abstract Set<SocketOption<?>> supportedOptions();
+
     public abstract SocketAddress getRemoteAddress();
 
     public abstract SocketAddress getLocalAddress();
 
-    public abstract int getReadTimeoutSecond();
+    public abstract int getReadTimeoutSeconds();
 
-    public abstract int getWriteTimeoutSecond();
+    public abstract int getWriteTimeoutSeconds();
 
-    public abstract void setReadTimeoutSecond(int readTimeoutSecond);
+    public abstract void setReadTimeoutSeconds(int readTimeoutSeconds);
 
-    public abstract void setWriteTimeoutSecond(int writeTimeoutSecond);
+    public abstract void setWriteTimeoutSeconds(int writeTimeoutSeconds);
+
+    @Override
+    public abstract Future<Integer> read(ByteBuffer dst);
+
+    @Override
+    public abstract <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler);
+
+    public abstract <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler);
+
+    @Override
+    public abstract Future<Integer> write(ByteBuffer src);
+
+    @Override
+    public abstract <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler);
 
     public final <A> void write(ByteBuffer[] srcs, A attachment, CompletionHandler<Integer, ? super A> handler) {
         write(srcs, 0, srcs.length, attachment, handler);
@@ -59,6 +99,11 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
         }
     }
 
+    public AsyncConnection beforeCloseListener(Consumer<AsyncConnection> beforeCloseListener) {
+        this.beforeCloseListener = beforeCloseListener;
+        return this;
+    }
+
     @Override
     public void close() throws IOException {
         if (closedCounter != null) {
@@ -69,6 +114,11 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
             livingCounter.decrementAndGet();
             livingCounter = null;
         }
+        if (beforeCloseListener != null)
+            try {
+                beforeCloseListener.accept(this);
+            } catch (Exception io) {
+            }
         if (attributes == null) return;
         try {
             for (Object obj : attributes.values()) {
@@ -110,311 +160,58 @@ 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 readTimeoutSeconds  读取超时秒数
+     * @param writeTimeoutSeconds 写入超时秒数
+     *
+     * @return 连接CompletableFuture
+     */
+    public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SocketAddress address,
+        final int readTimeoutSeconds, final int writeTimeoutSeconds) {
+        return createTCP(group, null, address, readTimeoutSeconds, writeTimeoutSeconds);
     }
 
     /**
-     * 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 sslContext          SSLContext
      * @param group               连接AsynchronousChannelGroup
-     * @param readTimeoutSecond0  读取超时秒数
-     * @param writeTimeoutSecond0 写入超时秒数
+     * @param readTimeoutSeconds  读取超时秒数
+     * @param writeTimeoutSeconds 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);
+    public static CompletableFuture<AsyncConnection> createTCP(final AsynchronousChannelGroup group, final SSLContext sslContext,
+        final SocketAddress address, final int readTimeoutSeconds, final int writeTimeoutSeconds) {
+        final CompletableFuture<AsyncConnection> future = new CompletableFuture<>();
+        try {
+            final 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);
-        }
-    }
-
-    private static class BIOUDPAsyncConnection extends AsyncConnection {
-
-        private int readTimeoutSecond;
-
-        private int writeTimeoutSecond;
-
-        private final DatagramChannel channel;
-
-        private final SocketAddress remoteAddress;
-
-        private final boolean client;
-
-        public BIOUDPAsyncConnection(final DatagramChannel ch, SocketAddress addr,
-            final boolean client0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-            this.channel = ch;
-            this.client = client0;
-            this.readTimeoutSecond = readTimeoutSecond0;
-            this.writeTimeoutSecond = writeTimeoutSecond0;
-            this.remoteAddress = addr;
-        }
-
-        @Override
-        public void setReadTimeoutSecond(int readTimeoutSecond) {
-            this.readTimeoutSecond = readTimeoutSecond;
-        }
-
-        @Override
-        public void setWriteTimeoutSecond(int writeTimeoutSecond) {
-            this.writeTimeoutSecond = writeTimeoutSecond;
-        }
-
-        @Override
-        public int getReadTimeoutSecond() {
-            return this.readTimeoutSecond;
-        }
-
-        @Override
-        public int getWriteTimeoutSecond() {
-            return this.writeTimeoutSecond;
-        }
-
-        @Override
-        public final SocketAddress getRemoteAddress() {
-            return remoteAddress;
-        }
-
-        @Override
-        public SocketAddress getLocalAddress() {
-            try {
-                return channel.getLocalAddress();
+                channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
             } catch (IOException e) {
-                return null;
             }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = 0;
-                for (int i = offset; i < offset + length; i++) {
-                    rs += channel.send(srcs[i], remoteAddress);
-                    if (i != offset) Thread.sleep(10);
+            channel.connect(address, null, new CompletionHandler<Void, Void>() {
+                @Override
+                public void completed(Void result, Void attachment) {
+                    future.complete(create(channel, sslContext, address, readTimeoutSeconds, writeTimeoutSeconds));
                 }
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (Exception e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
 
-        @Override
-        public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = channel.read(dst);
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> read(ByteBuffer dst) {
-            try {
-                int rs = channel.read(dst);
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = channel.send(src, remoteAddress);
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> write(ByteBuffer src) {
-            try {
-                int rs = channel.send(src, remoteAddress);
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public final void close() throws IOException {
-            super.close();
-            if (client) channel.close();
-        }
-
-        @Override
-        public final boolean isOpen() {
-            return channel.isOpen();
-        }
-
-        @Override
-        public final boolean isTCP() {
-            return false;
-        }
-    }
-
-    public static AsyncConnection create(final DatagramChannel ch, SocketAddress addr,
-        final boolean client0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-        return new BIOUDPAsyncConnection(ch, addr, client0, readTimeoutSecond0, writeTimeoutSecond0);
-    }
-
-    private static class BIOTCPAsyncConnection extends AsyncConnection {
-
-        private int readTimeoutSecond;
-
-        private int writeTimeoutSecond;
-
-        private final Socket socket;
-
-        private final ReadableByteChannel readChannel;
-
-        private final WritableByteChannel writeChannel;
-
-        private final SocketAddress remoteAddress;
-
-        public BIOTCPAsyncConnection(final Socket socket, final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-            this.socket = socket;
-            ReadableByteChannel rc = null;
-            WritableByteChannel wc = null;
-            try {
-                socket.setSoTimeout(Math.max(readTimeoutSecond0, writeTimeoutSecond0));
-                rc = Channels.newChannel(socket.getInputStream());
-                wc = Channels.newChannel(socket.getOutputStream());
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            this.readChannel = rc;
-            this.writeChannel = wc;
-            this.readTimeoutSecond = readTimeoutSecond0;
-            this.writeTimeoutSecond = writeTimeoutSecond0;
-            SocketAddress addr = addr0;
-            if (addr == null) {
-                try {
-                    addr = socket.getRemoteSocketAddress();
-                } catch (Exception e) {
-                    //do nothing
+                @Override
+                public void failed(Throwable exc, Void attachment) {
+                    future.completeExceptionally(exc);
                 }
-            }
-            this.remoteAddress = addr;
-        }
-
-        @Override
-        public boolean isTCP() {
-            return true;
-        }
-
-        @Override
-        public SocketAddress getRemoteAddress() {
-            return remoteAddress;
-        }
-
-        @Override
-        public SocketAddress getLocalAddress() {
-            return socket.getLocalSocketAddress();
-        }
-
-        @Override
-        public int getReadTimeoutSecond() {
-            return readTimeoutSecond;
-        }
-
-        @Override
-        public int getWriteTimeoutSecond() {
-            return writeTimeoutSecond;
-        }
-
-        @Override
-        public void setReadTimeoutSecond(int readTimeoutSecond) {
-            this.readTimeoutSecond = readTimeoutSecond;
-        }
-
-        @Override
-        public void setWriteTimeoutSecond(int writeTimeoutSecond) {
-            this.writeTimeoutSecond = writeTimeoutSecond;
-        }
-
-        @Override
-        public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = 0;
-                for (int i = offset; i < offset + length; i++) {
-                    rs += writeChannel.write(srcs[i]);
-                }
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = readChannel.read(dst);
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> read(ByteBuffer dst) {
-            try {
-                int rs = readChannel.read(dst);
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            try {
-                int rs = writeChannel.write(src);
-                if (handler != null) handler.completed(rs, attachment);
-            } catch (IOException e) {
-                if (handler != null) handler.failed(e, attachment);
-            }
-        }
-
-        @Override
-        public Future<Integer> write(ByteBuffer src) {
-            try {
-                int rs = writeChannel.write(src);
-                return CompletableFuture.completedFuture(rs);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
-        }
-
-        @Override
-        public void close() throws IOException {
-            super.close();
-            this.socket.close();
-        }
-
-        @Override
-        public boolean isOpen() {
-            return !socket.isClosed();
+            });
+        } catch (IOException e) {
+            future.completeExceptionally(e);
         }
+        return future;
     }
 
     /**
@@ -429,138 +226,68 @@ public abstract class AsyncConnection implements AsynchronousByteChannel, AutoCl
     }
 
     public static AsyncConnection create(final Socket socket, final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-        return new BIOTCPAsyncConnection(socket, addr0, readTimeoutSecond0, writeTimeoutSecond0);
+        return new TcpBioAsyncConnection(socket, addr0, readTimeoutSecond0, writeTimeoutSecond0, null, null);
     }
 
-    private static class AIOTCPAsyncConnection extends AsyncConnection {
+    public static AsyncConnection create(final Socket socket, final SocketAddress addr0, final int readTimeoutSecond0,
+        final int writeTimeoutSecond0, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpBioAsyncConnection(socket, addr0, readTimeoutSecond0, writeTimeoutSecond0, livingCounter, closedCounter);
+    }
 
-        private int readTimeoutSecond;
+    public static AsyncConnection create(final SocketChannel ch, SocketAddress addr, final Selector selector,
+        final int readTimeoutSeconds0, final int writeTimeoutSeconds0) {
+        return new TcpNioAsyncConnection(ch, addr, selector, readTimeoutSeconds0, writeTimeoutSeconds0, null, null);
+    }
 
-        private int writeTimeoutSecond;
+    public static AsyncConnection create(final SocketChannel ch, final SocketAddress addr0, final Selector selector, final Context context) {
+        return new TcpNioAsyncConnection(ch, addr0, selector, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+    }
 
-        private final AsynchronousSocketChannel channel;
+    public static AsyncConnection create(final SocketChannel ch, SocketAddress addr, final Selector selector,
+        final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpNioAsyncConnection(ch, addr, selector, readTimeoutSeconds0, writeTimeoutSeconds0, livingCounter, closedCounter);
+    }
 
-        private final SocketAddress remoteAddress;
-
-        public AIOTCPAsyncConnection(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSecond0, final int writeTimeoutSecond0) {
-            this.channel = ch;
-            this.readTimeoutSecond = readTimeoutSecond0;
-            this.writeTimeoutSecond = writeTimeoutSecond0;
-            SocketAddress addr = addr0;
-            if (addr == null) {
-                try {
-                    addr = ch.getRemoteAddress();
-                } catch (Exception e) {
-                    //do nothing
-                }
-            }
-            this.remoteAddress = addr;
-        }
-
-        @Override
-        public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            if (readTimeoutSecond > 0) {
-                channel.read(dst, readTimeoutSecond, TimeUnit.SECONDS, attachment, handler);
-            } else {
-                channel.read(dst, attachment, handler);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
-            if (writeTimeoutSecond > 0) {
-                channel.write(src, writeTimeoutSecond, TimeUnit.SECONDS, attachment, handler);
-            } else {
-                channel.write(src, attachment, handler);
-            }
-        }
-
-        @Override
-        public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, final CompletionHandler<Integer, ? super A> handler) {
-            channel.write(srcs, offset, length, writeTimeoutSecond > 0 ? writeTimeoutSecond : 60, TimeUnit.SECONDS,
-                attachment, new CompletionHandler<Long, A>() {
-
-                @Override
-                public void completed(Long result, A attachment) {
-                    handler.completed(result.intValue(), attachment);
-                }
-
-                @Override
-                public void failed(Throwable exc, A attachment) {
-                    handler.failed(exc, attachment);
-                }
-
-            });
-        }
-
-        @Override
-        public void setReadTimeoutSecond(int readTimeoutSecond) {
-            this.readTimeoutSecond = readTimeoutSecond;
-        }
-
-        @Override
-        public void setWriteTimeoutSecond(int writeTimeoutSecond) {
-            this.writeTimeoutSecond = writeTimeoutSecond;
-        }
-
-        @Override
-        public int getReadTimeoutSecond() {
-            return this.readTimeoutSecond;
-        }
-
-        @Override
-        public int getWriteTimeoutSecond() {
-            return this.writeTimeoutSecond;
-        }
-
-        @Override
-        public final SocketAddress getRemoteAddress() {
-            return remoteAddress;
-        }
-
-        @Override
-        public SocketAddress getLocalAddress() {
-            try {
-                return channel.getLocalAddress();
-            } catch (IOException e) {
-                return null;
-            }
-        }
-
-        @Override
-        public final Future<Integer> read(ByteBuffer dst) {
-            return channel.read(dst);
-        }
-
-        @Override
-        public final Future<Integer> write(ByteBuffer src) {
-            return channel.write(src);
-        }
-
-        @Override
-        public final void close() throws IOException {
-            super.close();
-            channel.close();
-        }
-
-        @Override
-        public final boolean isOpen() {
-            return channel.isOpen();
-        }
-
-        @Override
-        public final boolean isTCP() {
-            return true;
-        }
+    public static AsyncConnection create(final DatagramChannel ch, SocketAddress addr,
+        final boolean client0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0) {
+        return new UdpBioAsyncConnection(ch, addr, client0, readTimeoutSeconds0, writeTimeoutSeconds0, null, null);
+    }
 
+    public static AsyncConnection create(final DatagramChannel ch, SocketAddress addr,
+        final boolean client0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new UdpBioAsyncConnection(ch, addr, client0, readTimeoutSeconds0, writeTimeoutSeconds0, livingCounter, closedCounter);
     }
 
     public static AsyncConnection create(final AsynchronousSocketChannel ch) {
         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 readTimeoutSeconds, final int writeTimeoutSeconds) {
+        return new TcpAioAsyncConnection(ch, null, addr0, readTimeoutSeconds, writeTimeoutSeconds, null, null);
     }
 
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, SSLContext sslContext, final SocketAddress addr0, final int readTimeoutSeconds, final int writeTimeoutSeconds) {
+        return new TcpAioAsyncConnection(ch, sslContext, addr0, readTimeoutSeconds, writeTimeoutSeconds, null, null);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final Context context) {
+        return new TcpAioAsyncConnection(ch, context.sslContext, addr0, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0, final int readTimeoutSeconds,
+        final int writeTimeoutSeconds, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpAioAsyncConnection(ch, null, addr0, readTimeoutSeconds, writeTimeoutSeconds, livingCounter, closedCounter);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, SSLContext sslContext, final SocketAddress addr0, final int readTimeoutSeconds,
+        final int writeTimeoutSeconds, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpAioAsyncConnection(ch, sslContext, addr0, readTimeoutSeconds, writeTimeoutSeconds, livingCounter, closedCounter);
+    }
+
+    public static AsyncConnection create(final AsynchronousSocketChannel ch, final SocketAddress addr0,
+        final Context context, final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        return new TcpAioAsyncConnection(ch, context.sslContext, addr0, context.readTimeoutSeconds, context.writeTimeoutSeconds, livingCounter, closedCounter);
+    }
 }

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.*;
@@ -25,14 +28,15 @@ import org.redkale.util.*;
  */
 public class Context {
 
-    private static final Charset UTF8 = Charset.forName("UTF-8");
-
     //服务启动时间
     protected final long serverStartTime;
 
     //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;
 
@@ -51,14 +55,20 @@ public class Context {
     //字符集
     protected final Charset charset;
 
+    //最大连接数, 为0表示没限制
+    protected final int maxconns;
+
     //请求内容的大小上限, 默认64K
     protected final int maxbody;
 
+    //keep alive IO读取的超时时间
+    protected final int aliveTimeoutSeconds;
+
     //IO读取的超时时间
-    protected final int readTimeoutSecond;
+    protected final int readTimeoutSeconds;
 
     //IO写入的超时时间
-    protected final int writeTimeoutSecond;
+    protected final int writeTimeoutSeconds;
 
     //日志Logger
     protected final Logger logger;
@@ -69,24 +79,52 @@ 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(ContextConfig config) {
+        this(config.serverStartTime, config.logger, config.executor, config.sslContext,
+            config.bufferCapacity, config.bufferPool, config.responsePool, config.maxconns, config.maxbody,
+            config.charset, config.address, config.resourceFactory, config.prepare,
+            config.aliveTimeoutSeconds, config.readTimeoutSeconds, config.writeTimeoutSeconds);
+    }
+
+    public Context(long serverStartTime, Logger logger, ThreadPoolExecutor executor, SSLContext sslContext,
+        int bufferCapacity, ObjectPool<ByteBuffer> bufferPool, ObjectPool<Response> responsePool, final int maxconns,
+        final int maxbody, Charset charset, InetSocketAddress address, ResourceFactory resourceFactory,
+        final PrepareServlet prepare, final int aliveTimeoutSeconds, final int readTimeoutSeconds, final int writeTimeoutSeconds) {
         this.serverStartTime = serverStartTime;
         this.logger = logger;
         this.executor = executor;
+        this.sslContext = sslContext;
         this.bufferCapacity = bufferCapacity;
         this.bufferPool = bufferPool;
         this.responsePool = responsePool;
+        this.maxconns = maxconns;
         this.maxbody = maxbody;
-        this.charset = UTF8.equals(charset) ? null : charset;
+        this.charset = StandardCharsets.UTF_8.equals(charset) ? null : charset;
         this.address = address;
         this.prepare = prepare;
-        this.readTimeoutSecond = readTimeoutSecond;
-        this.writeTimeoutSecond = writeTimeoutSecond;
+        this.resourceFactory = resourceFactory;
+        this.aliveTimeoutSeconds = aliveTimeoutSeconds;
+        this.readTimeoutSeconds = readTimeoutSeconds;
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
         this.jsonFactory = JsonFactory.root();
         this.bsonFactory = BsonFactory.root();
     }
 
+    public ResourceFactory getResourceFactory() {
+        return resourceFactory;
+    }
+
+    public SSLContext getSSLContext() {
+        return sslContext;
+    }
+
+    public int getMaxconns() {
+        return maxconns;
+    }
+
     public int getMaxbody() {
         return maxbody;
     }
@@ -107,6 +145,10 @@ public class Context {
         return executor.submit(r);
     }
 
+    public AsynchronousChannelGroup createAsynchronousChannelGroup() throws IOException {
+        return AsynchronousChannelGroup.withThreadPool(executor);
+    }
+
     public void runAsync(Runnable r) {
         executor.execute(r);
     }
@@ -119,18 +161,22 @@ public class Context {
         return bufferPool;
     }
 
+    protected Consumer<ByteBuffer> getBufferConsumer() {
+        return bufferPool;
+    }
+
     public ByteBuffer pollBuffer() {
         return bufferPool.get();
     }
 
-    public void offerBuffer(ByteBuffer buffer) {
-        bufferPool.offer(buffer);
+    protected void offerBuffer(ByteBuffer buffer) {
+        bufferPool.accept(buffer);
     }
 
-    public void offerBuffer(ByteBuffer... buffers) {
+    protected void offerBuffer(ByteBuffer... buffers) {
         if (buffers == null) return;
         for (ByteBuffer buffer : buffers) {
-            bufferPool.offer(buffer);
+            bufferPool.accept(buffer);
         }
     }
 
@@ -138,12 +184,16 @@ public class Context {
         return logger;
     }
 
-    public int getReadTimeoutSecond() {
-        return readTimeoutSecond;
+    public int getAliveTimeoutSeconds() {
+        return aliveTimeoutSeconds;
     }
 
-    public int getWriteTimeoutSecond() {
-        return writeTimeoutSecond;
+    public int getReadTimeoutSeconds() {
+        return readTimeoutSeconds;
+    }
+
+    public int getWriteTimeoutSeconds() {
+        return writeTimeoutSeconds;
     }
 
     public JsonConvert getJsonConvert() {
@@ -153,4 +203,60 @@ public class Context {
     public BsonConvert getBsonConvert() {
         return bsonFactory.getConvert();
     }
+
+    public static class ContextConfig {
+
+        //服务启动时间
+        public long serverStartTime;
+
+        //Server的线程池
+        public ThreadPoolExecutor executor;
+
+        //SSL
+        public SSLContext sslContext;
+
+        //ByteBuffer的容量，默认8K
+        public int bufferCapacity;
+
+        //ByteBuffer对象池
+        public ObjectPool<ByteBuffer> bufferPool;
+
+        //Response对象池
+        public ObjectPool<Response> responsePool;
+
+        //服务的根Servlet
+        public PrepareServlet prepare;
+
+        //服务的监听地址
+        public InetSocketAddress address;
+
+        //字符集
+        public Charset charset;
+
+        //请求内容的大小上限, 默认64K
+        public int maxbody;
+
+        //最大连接数, 为0表示没限制
+        public int maxconns;
+
+        //keep alive IO读取的超时时间
+        public int aliveTimeoutSeconds;
+
+        //IO读取的超时时间
+        public int readTimeoutSeconds;
+
+        //IO写入的超时时间
+        public int writeTimeoutSeconds;
+
+        //日志Logger
+        public Logger logger;
+
+        //依赖注入工厂类
+        public ResourceFactory resourceFactory;
+
+        @Override
+        public String toString() {
+            return JsonConvert.root().convertTo(this);
+        }
+    }
 }

src/org/redkale/net/Cryptor.java

@@ -0,0 +1,42 @@
+/*
+ * 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;
+
+import java.nio.ByteBuffer;
+import java.util.function.*;
+
+/**
+ * 加密解密接口
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public interface Cryptor {
+
+    /**
+     * 加密
+     *
+     * @param buffers  待加密数据
+     * @param supplier ByteBuffer生成器
+     * @param consumer ByteBuffer回收器
+     *
+     * @return 加密后数据
+     */
+    public ByteBuffer[] encrypt(ByteBuffer[] buffers, final Supplier<ByteBuffer> supplier, final Consumer<ByteBuffer> consumer);
+
+    /**
+     * 解密
+     *
+     * @param buffers  待解密数据
+     * @param supplier ByteBuffer生成器
+     * @param consumer ByteBuffer回收器
+     *
+     * @return 解密后数据
+     */
+    public ByteBuffer[] decrypt(ByteBuffer[] buffers, final Supplier<ByteBuffer> supplier, final Consumer<ByteBuffer> consumer);
+}

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

@@ -5,8 +5,10 @@
  */
 package org.redkale.net;
 
+import java.io.IOException;
 import java.nio.*;
 import java.nio.channels.*;
+import java.util.concurrent.TimeUnit;
 import java.util.logging.*;
 import org.redkale.util.*;
 
@@ -19,7 +21,7 @@ import org.redkale.util.*;
  * @author zhangjx
  */
 @SuppressWarnings("unchecked")
-public final class PrepareRunner implements Runnable {
+public class PrepareRunner implements Runnable {
 
     private final AsyncConnection channel;
 
@@ -27,20 +29,24 @@ public final class PrepareRunner implements Runnable {
 
     private ByteBuffer data;
 
-    public PrepareRunner(Context context, AsyncConnection channel, ByteBuffer data) {
+    private Response response;
+
+    public PrepareRunner(Context context, AsyncConnection channel, ByteBuffer data, Response response) {
         this.context = context;
         this.channel = channel;
         this.data = data;
+        this.response = response;
     }
 
     @Override
     public void run() {
+        final boolean keepalive = response != null;
         final PrepareServlet prepare = context.prepare;
         final ObjectPool<? extends Response> responsePool = context.responsePool;
         if (data != null) { //BIO模式的UDP连接创建AsyncConnection时已经获取到ByteBuffer数据了
-            final Response response = responsePool.get();
-            response.init(channel);
+            if (response == null) response = responsePool.get();
             try {
+                response.init(channel);
                 prepare.prepare(data, response.request, response);
             } catch (Throwable t) {
                 context.logger.log(Level.WARNING, "prepare servlet abort, forece to close channel ", t);
@@ -48,18 +54,18 @@ public final class PrepareRunner implements Runnable {
             }
             return;
         }
-        final ByteBuffer buffer = context.pollBuffer();
+        if (response == null) response = responsePool.get();
+        final ByteBuffer buffer = response.request.pollReadBuffer();
         try {
-            channel.read(buffer, null, new CompletionHandler<Integer, Void>() {
+            channel.read(buffer, keepalive ? context.getAliveTimeoutSeconds() : 0, TimeUnit.SECONDS, null,
+                new CompletionHandler<Integer, Void>() {
                 @Override
                 public void completed(Integer count, Void attachment1) {
-                    if (count < 1 && buffer.remaining() == buffer.limit()) {
-                        try {
-                            context.offerBuffer(buffer);
-                            channel.close();
-                        } catch (Exception e) {
-                            context.logger.log(Level.FINEST, "PrepareRunner close channel erroneous on no read bytes", e);
-                        }
+                    if (count < 1) {
+                        response.request.offerReadBuffer(buffer);
+                        channel.dispose();// response.init(channel); 在调用之前异常
+                        response.removeChannel();
+                        response.finish(true);
                         return;
                     }
 //                    {  //测试
@@ -69,7 +75,6 @@ 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);
@@ -81,22 +86,59 @@ public final class PrepareRunner implements Runnable {
 
                 @Override
                 public void failed(Throwable exc, Void attachment2) {
-                    context.offerBuffer(buffer);
-                    try {
-                        channel.close();
-                    } catch (Exception e) {
+                    response.request.offerReadBuffer(buffer);
+                    channel.dispose();// response.init(channel); 在调用之前异常
+                    response.removeChannel();
+                    response.finish(true);
+                    if (exc != null && context.logger.isLoggable(Level.FINEST)) {
+                        context.logger.log(Level.FINEST, "Servlet Handler read channel erroneous, forece to close channel ", exc);
                     }
-                    if (exc != null) context.logger.log(Level.FINEST, "Servlet Handler read channel erroneous, forece to close channel ", exc);
                 }
             });
         } catch (Exception te) {
-            context.offerBuffer(buffer);
-            try {
-                channel.close();
-            } catch (Exception e) {
+            response.request.offerReadBuffer(buffer);
+            channel.dispose();// response.init(channel); 在调用之前异常
+            response.removeChannel();
+            response.finish(true);
+            if (te != null && context.logger.isLoggable(Level.FINEST)) {
+                context.logger.log(Level.FINEST, "Servlet read channel erroneous, forece to close channel ", te);
             }
-            if (te != null) context.logger.log(Level.FINEST, "Servlet read channel erroneous, forece to close channel ", te);
         }
     }
 
+    protected void prepare(ByteBuffer buffer, Request request, Response response) throws IOException {
+        context.prepare.prepare(buffer, request, response);
+    }
+
+    protected void initResponse(Response response, AsyncConnection channel) {
+        response.init(channel);
+    }
+
+    protected Response pollResponse() {
+        return context.responsePool.get();
+    }
+
+    protected Request pollRequest(Response response) {
+        return response.request;
+    }
+
+    protected AsyncConnection removeChannel(Response response) {
+        return response.removeChannel();
+    }
+
+    protected ByteBuffer pollReadBuffer(Request request) {
+        return request.pollReadBuffer();
+    }
+
+    protected ByteBuffer pollReadBuffer(Response response) {
+        return response.request.pollReadBuffer();
+    }
+
+    protected void offerReadBuffer(Request request, ByteBuffer buffer) {
+        request.offerReadBuffer(buffer);
+    }
+
+    protected void offerReadBuffer(Response response, ByteBuffer buffer) {
+        response.request.offerReadBuffer(buffer);
+    }
 }

src/org/redkale/net/PrepareServlet.java

@@ -210,15 +210,15 @@ public abstract class PrepareServlet<K extends Serializable, C extends Context,
     @SuppressWarnings("unchecked")
     public abstract void addServlet(S servlet, Object attachment, AnyValue conf, K... mappings);
 
-    public final void prepare(final ByteBuffer buffer, final R request, final P response) throws IOException {
+    public void prepare(final ByteBuffer buffer, final R request, final P response) throws IOException {
         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

@@ -7,11 +7,9 @@ package org.redkale.net;
 
 import java.io.IOException;
 import java.net.*;
-import java.nio.ByteBuffer;
-import java.nio.channels.*;
 import java.util.*;
-import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
+import org.redkale.util.AnyValue;
 
 /**
  * 协议底层Server
@@ -32,7 +30,12 @@ public abstract class ProtocolServer {
     //在线数
     protected final AtomicLong livingCounter = new AtomicLong();
 
-    public abstract void open() throws IOException;
+    protected final Context context;
+
+    //最大连接数，小于1表示无限制
+    protected int maxconns;
+
+    public abstract void open(AnyValue config) throws IOException;
 
     public abstract void bind(SocketAddress local, int backlog) throws IOException;
 
@@ -40,11 +43,14 @@ public abstract class ProtocolServer {
 
     public abstract <T> void setOption(SocketOption<T> name, T value) throws IOException;
 
-    public abstract void accept();
+    public abstract void accept() throws IOException;
 
     public abstract void close() throws IOException;
 
-    public abstract AsynchronousChannelGroup getChannelGroup();
+    protected ProtocolServer(Context context) {
+        this.context = context;
+        this.maxconns = context.getMaxconns();
+    }
 
     public long getCreateCount() {
         return createCounter.longValue();
@@ -59,169 +65,31 @@ public abstract class ProtocolServer {
     }
 
     //---------------------------------------------------------------------
-    public static ProtocolServer create(String protocol, Context context) {
-        if ("TCP".equalsIgnoreCase(protocol)) return new ProtocolTCPServer(context);
-        if ("UDP".equalsIgnoreCase(protocol)) return new ProtocolUDPServer(context);
-        throw new RuntimeException("ProtocolServer not support protocol " + protocol);
-    }
-
-    private static final class ProtocolUDPServer extends ProtocolServer {
-
-        private boolean running;
-
-        private final Context context;
-
-        private DatagramChannel serverChannel;
-
-        public ProtocolUDPServer(Context context) {
-            this.context = context;
-        }
-
-        @Override
-        public void open() throws IOException {
-            DatagramChannel ch = DatagramChannel.open();
-            ch.configureBlocking(true);
-            this.serverChannel = ch;
-        }
-
-        @Override
-        public void bind(SocketAddress local, int backlog) throws IOException {
-            this.serverChannel.bind(local);
-        }
-
-        @Override
-        public <T> void setOption(SocketOption<T> name, T value) throws IOException {
-            this.serverChannel.setOption(name, value);
-        }
-
-        @Override
-        public <T> Set<SocketOption<?>> supportedOptions() {
-            return this.serverChannel.supportedOptions();
-        }
-
-        @Override
-        public void accept() {
-            final DatagramChannel serchannel = this.serverChannel;
-            final int readTimeoutSecond = this.context.readTimeoutSecond;
-            final int writeTimeoutSecond = this.context.writeTimeoutSecond;
-            final CountDownLatch cdl = new CountDownLatch(1);
-            this.running = true;
-            new Thread() {
-                @Override
-                public void run() {
-                    cdl.countDown();
-                    while (running) {
-                        final ByteBuffer buffer = context.pollBuffer();
-                        try {
-                            SocketAddress address = serchannel.receive(buffer);
-                            buffer.flip();
-                            AsyncConnection conn = AsyncConnection.create(serchannel, address, false, readTimeoutSecond, writeTimeoutSecond);
-                            context.runAsync(new PrepareRunner(context, conn, buffer));
-                        } catch (Exception e) {
-                            context.offerBuffer(buffer);
-                        }
-                    }
-                }
-            }.start();
-            try {
-                cdl.await();
-            } catch (Exception e) {
-                e.printStackTrace();
+    public static ProtocolServer create(String protocol, Context context, ClassLoader classLoader, String netimpl) {
+        if (netimpl != null) netimpl = netimpl.trim();
+        if ("TCP".equalsIgnoreCase(protocol)) {
+            if (netimpl == null || netimpl.isEmpty()) {
+                return new TcpAioProtocolServer(context);
+            } else if ("aio".equalsIgnoreCase(netimpl)) {
+                return new TcpAioProtocolServer(context);
+            } else if ("nio".equalsIgnoreCase(netimpl)) {
+                return new TcpNioProtocolServer(context);
             }
+        } else if ("UDP".equalsIgnoreCase(protocol)) {
+            if (netimpl == null || netimpl.isEmpty()) {
+                return new UdpBioProtocolServer(context);
+            } else if ("bio".equalsIgnoreCase(netimpl)) {
+                return new UdpBioProtocolServer(context);
+            }
+        } else if (netimpl == null || netimpl.isEmpty()) {
+            throw new RuntimeException("ProtocolServer not support protocol " + protocol);
         }
-
-        @Override
-        public void close() throws IOException {
-            this.running = false;
-            this.serverChannel.close();
-        }
-
-        @Override
-        public AsynchronousChannelGroup getChannelGroup() {
-            return null;
-        }
-
-        @Override
-        public long getCreateCount() {
-            return -1;
-        }
-
-        @Override
-        public long getClosedCount() {
-            return -1;
-        }
-
-        @Override
-        public long getLivingCount() {
-            return -1;
-        }
-    }
-
-    private static final class ProtocolTCPServer extends ProtocolServer {
-
-        private final Context context;
-
-        private AsynchronousChannelGroup group;
-
-        private AsynchronousServerSocketChannel serverChannel;
-
-        public ProtocolTCPServer(Context context) {
-            this.context = context;
-        }
-
-        @Override
-        public void open() throws IOException {
-            group = AsynchronousChannelGroup.withCachedThreadPool(context.executor, 1);
-            this.serverChannel = AsynchronousServerSocketChannel.open(group);
-        }
-
-        @Override
-        public void bind(SocketAddress local, int backlog) throws IOException {
-            this.serverChannel.bind(local, backlog);
-        }
-
-        @Override
-        public <T> void setOption(SocketOption<T> name, T value) throws IOException {
-            this.serverChannel.setOption(name, value);
-        }
-
-        @Override
-        public <T> Set<SocketOption<?>> supportedOptions() {
-            return this.serverChannel.supportedOptions();
-        }
-
-        @Override
-        public void accept() {
-            final AsynchronousServerSocketChannel serchannel = this.serverChannel;
-            serchannel.accept(null, new CompletionHandler<AsynchronousSocketChannel, Void>() {
-
-                @Override
-                public void completed(final AsynchronousSocketChannel channel, Void attachment) {
-                    serchannel.accept(null, this);
-                    createCounter.incrementAndGet();
-                    livingCounter.incrementAndGet();
-                    AsyncConnection conn = AsyncConnection.create(channel, null, context.readTimeoutSecond, context.writeTimeoutSecond);
-                    conn.livingCounter = livingCounter;
-                    conn.closedCounter = closedCounter;
-                    context.submitAsync(new PrepareRunner(context, conn, null));
-                }
-
-                @Override
-                public void failed(Throwable exc, Void attachment) {
-                    serchannel.accept(null, this);
-                    //if (exc != null) context.logger.log(Level.FINEST, AsynchronousServerSocketChannel.class.getSimpleName() + " accept erroneous", exc);
-                }
-            });
-        }
-
-        @Override
-        public void close() throws IOException {
-            this.serverChannel.close();
-        }
-
-        @Override
-        public AsynchronousChannelGroup getChannelGroup() {
-            return this.group;
+        try {
+            if (classLoader == null) classLoader = Thread.currentThread().getContextClassLoader();
+            Class clazz = classLoader.loadClass(netimpl);
+            return (ProtocolServer) clazz.getDeclaredConstructor(Context.class).newInstance(context);
+        } catch (Exception e) {
+            throw new RuntimeException("ProtocolServer(netimple=" + netimpl + ") newinstance error", e);
         }
     }
 

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。
      *
@@ -71,7 +91,7 @@ public abstract class Request<C extends Context> {
         createtime = 0;
         keepAlive = false;
         attributes.clear();
-        channel = null; //   close it by  response
+        channel = null; // close it by response
     }
 
     protected <T> T setProperty(String name, T value) {

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 +94,70 @@ 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 void offerBuffer(ByteBuffer... buffers) {
+        context.offerBuffer(buffers);
     }
 
     protected AsyncConnection removeChannel() {
@@ -109,28 +173,12 @@ public abstract class Response<C extends Context, R extends Request<C>> {
 
     protected boolean recycle() {
         if (!inited) return false;
-        boolean keepAlive = request.keepAlive;
-        if (recycleListener != null) {
-            try {
-                recycleListener.accept(request, this);
-            } catch (Exception e) {
-                context.logger.log(Level.WARNING, "Response.recycleListener error, request = " + request, e);
-            }
-            recycleListener = null;
-        }
         this.output = null;
         this.filter = null;
         this.servlet = null;
         request.recycle();
         if (channel != null) {
-            if (keepAlive) {
-                this.context.runAsync(new PrepareRunner(context, channel, null));
-            } else {
-                try {
-                    if (channel.isOpen()) channel.close();
-                } catch (Exception e) {
-                }
-            }
+            channel.dispose();
             channel = null;
         }
         this.inited = false;
@@ -195,7 +243,26 @@ 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);
+        if (this.recycleListener != null) {
+            try {
+                this.recycleListener.accept(request, this);
+            } catch (Exception e) {
+                context.logger.log(Level.WARNING, "Response.recycleListener error, request = " + request, e);
+            }
+            this.recycleListener = null;
+        }
+        if (request.keepAlive && channel != null) {
+            if (channel.isOpen()) {
+                AsyncConnection conn = removeChannel();
+                this.recycle();
+                this.prepare();
+                new PrepareRunner(context, conn, null, this).run();
+            } else {
+                channel.dispose();
+            }
+        } else {
+            this.context.responsePool.accept(this);
+        }
     }
 
     public void finish(final byte[] bs) {

src/org/redkale/net/SSLClientAuth.java

@@ -0,0 +1,20 @@
+/*
+ * 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;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public enum SSLClientAuth {
+    NONE,
+    NEED,
+    WANT,
+    CLIENT;
+}

src/org/redkale/net/SSLCreator.java

@@ -0,0 +1,65 @@
+/*
+ * 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;
+
+import java.io.*;
+import java.security.*;
+import java.security.cert.*;
+import javax.net.ssl.*;
+import org.redkale.util.*;
+
+/**
+ * 根据配置生成SSLContext
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public interface SSLCreator {
+
+    default SSLContext create(Server server, AnyValue sslConf) throws Exception {
+        String keyfile = sslConf.getValue("keystorefile");
+        String keypass = sslConf.getValue("keystorepass", "");
+        KeyManager[] keyManagers = null;
+        if (keyfile != null) {
+            KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
+            KeyStore ks = KeyStore.getInstance("JKS");
+            ks.load(new FileInputStream(keyfile), keypass.toCharArray());
+            kmf.init(ks, keypass.toCharArray());
+            keyManagers = kmf.getKeyManagers();
+        }
+
+        String trustfile = sslConf.getValue("truststorefile");
+        String trustpass = sslConf.getValue("truststorepass", "");
+        TrustManager[] trustManagers;
+        if (trustfile != null) {
+            KeyStore ts = KeyStore.getInstance("JKS");
+            ts.load(new FileInputStream(trustfile), trustpass.toCharArray());
+            TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
+            tmf.init(ts);
+            trustManagers = tmf.getTrustManagers();
+        } else {
+            trustManagers = new TrustManager[]{new X509TrustManager() {
+                @Override
+                public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
+                }
+
+                @Override
+                public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
+                }
+
+                @Override
+                public X509Certificate[] getAcceptedIssuers() {
+                    return new X509Certificate[0];
+                }
+            }};
+        }
+        SSLContext sslContext = SSLContext.getInstance("TLS");
+        sslContext.init(keyManagers, trustManagers, new SecureRandom());
+        return sslContext;
+    }
+}

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 +32,10 @@ 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";
+
+    public static final String RESNAME_SERVER_RESFACTORY = "SERVER_RESFACTORY";
+
     protected final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
 
     //-------------------------------------------------------------
@@ -43,9 +48,18 @@ 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;
 
+    //ClassLoader
+    protected RedkaleClassLoader serverClassLoader;
+
+    //SSL
+    protected SSLContext sslContext;
+
     //服务的上下文对象
     protected C context;
 
@@ -79,18 +93,25 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     //Response池大小
     protected int responsePoolSize;
 
+    //最大连接数, 为0表示没限制
+    protected int maxconns;
+
     //请求包大小的上限，单位:字节
     protected int maxbody;
 
+    //Keep-Alive IO读取的超时秒数，小于1视为不设置
+    protected int aliveTimeoutSeconds;
+
     //IO读取的超时秒数，小于1视为不设置
-    protected int readTimeoutSecond;
+    protected int readTimeoutSeconds;
 
     //IO写入 的超时秒数，小于1视为不设置
-    protected int writeTimeoutSecond;
+    protected int writeTimeoutSeconds;
 
-    protected Server(long serverStartTime, String protocol, PrepareServlet<K, C, R, P, S> servlet) {
+    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;
     }
 
@@ -99,17 +120,33 @@ 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.readTimeoutSecond = config.getIntValue("readTimeoutSecond", 0);
-        this.writeTimeoutSecond = config.getIntValue("writeTimeoutSecond", 0);
+        this.maxconns = config.getIntValue("maxconns", 0);
+        this.aliveTimeoutSeconds = config.getIntValue("aliveTimeoutSeconds", 30);
+        this.readTimeoutSeconds = config.getIntValue("readTimeoutSeconds", 0);
+        this.writeTimeoutSeconds = config.getIntValue("writeTimeoutSeconds", 0);
         this.backlog = parseLenth(config.getValue("backlog"), 8 * 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() * 32);
+        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");
+        AnyValue sslConf = config.getAnyValue("ssl");
+        if (sslConf != null) {
+            String creatorClass = sslConf.getValue("creator", SSLCreator.class.getName());
+            SSLCreator creator = null;
+            if (SSLCreator.class.getName().equals(creatorClass) || creatorClass.isEmpty()) {
+                creator = new SSLCreator() {
+                };
+            } else {
+                ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+                creator = ((SSLCreator) classLoader.loadClass(creatorClass).getDeclaredConstructor().newInstance());
+            }
+            this.resourceFactory.inject(creator);
+            this.sslContext = creator.create(this, sslConf);
+        }
         final AtomicInteger counter = new AtomicInteger();
         final Format f = createFormat();
         final String n = name;
@@ -121,12 +158,7 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     }
 
     protected static int parseLenth(String value, int defValue) {
-        if (value == null) return defValue;
-        value = value.toUpperCase().replace("B", "");
-        if (value.endsWith("G")) return Integer.decode(value.replace("G", "")) * 1024 * 1024 * 1024;
-        if (value.endsWith("M")) return Integer.decode(value.replace("M", "")) * 1024 * 1024;
-        if (value.endsWith("K")) return Integer.decode(value.replace("K", "")) * 1024;
-        return Integer.decode(value);
+        return (int) parseLenth(value, defValue + 0L);
     }
 
     protected static long parseLenth(String value, long defValue) {
@@ -138,10 +170,26 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         return Long.decode(value);
     }
 
+    protected static String formatLenth(long value) {
+        if (value < 1) return "" + value;
+        if (value % (1024 * 1024 * 1024) == 0) return value / (1024 * 1024 * 1024) + "G";
+        if (value % (1024 * 1024) == 0) return value / (1024 * 1024) + "M";
+        if (value % 1024 == 0) return value / (1024) + "K";
+        return value + "B";
+    }
+
     public void destroy(final AnyValue config) throws Exception {
         this.prepare.destroy(context, config);
     }
 
+    public ResourceFactory getResourceFactory() {
+        return resourceFactory;
+    }
+
+    public ThreadPoolExecutor getExecutor() {
+        return executor;
+    }
+
     public InetSocketAddress getSocketAddress() {
         return address;
     }
@@ -166,6 +214,54 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         return this.context;
     }
 
+    public long getServerStartTime() {
+        return serverStartTime;
+    }
+
+    public Charset getCharset() {
+        return charset;
+    }
+
+    public int getBacklog() {
+        return backlog;
+    }
+
+    public int getBufferCapacity() {
+        return bufferCapacity;
+    }
+
+    public int getThreads() {
+        return threads;
+    }
+
+    public int getBufferPoolSize() {
+        return bufferPoolSize;
+    }
+
+    public int getResponsePoolSize() {
+        return responsePoolSize;
+    }
+
+    public int getMaxbody() {
+        return maxbody;
+    }
+
+    public int getAliveTimeoutSeconds() {
+        return aliveTimeoutSeconds;
+    }
+
+    public int getReadTimeoutSeconds() {
+        return readTimeoutSeconds;
+    }
+
+    public int getWriteTimeoutSeconds() {
+        return writeTimeoutSeconds;
+    }
+
+    public int getMaxconns() {
+        return maxconns;
+    }
+
     public void setThreads(int threads) {
         int oldthreads = this.threads;
         this.context.executor.setCorePoolSize(threads);
@@ -181,16 +277,13 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
     public void start() throws IOException {
         this.context = this.createContext();
         this.prepare.init(this.context, config);
-        this.serverChannel = ProtocolServer.create(this.protocol, context);
-        this.serverChannel.open();
-        if (this.serverChannel.supportedOptions().contains(StandardSocketOptions.TCP_NODELAY)) {
-            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
-        }
+        this.serverChannel = ProtocolServer.create(this.protocol, context, this.serverClassLoader, config == null ? null : config.getValue("netimpl"));
+        this.serverChannel.open(config);
         serverChannel.bind(address, backlog);
         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 + ", maxbody: " + formatLenth(context.maxbody) + ", bufferCapacity: " + formatLenth(bufferCapacity) + ", bufferPoolSize: " + bufferPoolSize + ", responsePoolSize: " + responsePoolSize
             + ", started in " + (System.currentTimeMillis() - context.getServerStartTime()) + " ms");
     }
 
@@ -209,6 +302,14 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         logger.info(this.getClass().getSimpleName() + " shutdown in " + e + " ms");
     }
 
+    public RedkaleClassLoader getServerClassLoader() {
+        return serverClassLoader;
+    }
+
+    public void setServerClassLoader(RedkaleClassLoader serverClassLoader) {
+        this.serverClassLoader = serverClassLoader;
+    }
+
     /**
      * 判断是否存在Filter
      *

src/org/redkale/net/TcpAioAsyncConnection.java

@@ -0,0 +1,375 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+import javax.net.ssl.SSLContext;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpAioAsyncConnection extends AsyncConnection {
+
+    private final Semaphore semaphore = new Semaphore(1);
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final AsynchronousSocketChannel channel;
+
+    private final SocketAddress remoteAddress;
+
+    private BlockingQueue<WriteEntry> writeQueue;
+
+    public TcpAioAsyncConnection(final AsynchronousSocketChannel ch, SSLContext sslContext,
+        final SocketAddress addr0, final int readTimeoutSeconds, final int writeTimeoutSeconds,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.channel = ch;
+        this.sslContext = sslContext;
+        this.readTimeoutSeconds = readTimeoutSeconds;
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = ch.getRemoteAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        try {
+            this.channel.shutdownInput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        try {
+            this.channel.shutdownOutput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            this.channel.setOption(name, value);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return this.channel.supportedOptions();
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        this.readtime = System.currentTimeMillis();
+        if (readTimeoutSeconds > 0) {
+            channel.read(dst, readTimeoutSeconds, TimeUnit.SECONDS, attachment, handler);
+        } else {
+            channel.read(dst, attachment, handler);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        this.readtime = System.currentTimeMillis();
+        channel.read(dst, timeout < 0 ? 0 : timeout, unit, attachment, handler);
+    }
+
+    private <A> void nextWrite(A attachment) {
+        BlockingQueue<WriteEntry> queue = this.writeQueue;
+        WriteEntry entry = queue == null ? null : queue.poll();
+        if (entry != null) {
+            try {
+                if (entry.writeOneBuffer == null) {
+                    write(false, entry.writeBuffers, entry.writeOffset, entry.writeLength, entry.writeAttachment, entry.writeHandler);
+                } else {
+                    write(false, entry.writeOneBuffer, entry.writeAttachment, entry.writeHandler);
+                }
+            } catch (Exception e) {
+                entry.writeHandler.failed(e, entry.writeAttachment);
+            }
+        } else {
+            semaphore.release();
+        }
+    }
+
+    @Override
+    public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        write(true, src, attachment, handler);
+    }
+
+    private <A> void write(boolean acquire, ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        if (acquire && !semaphore.tryAcquire()) {
+            if (this.writeQueue == null) {
+                synchronized (semaphore) {
+                    if (this.writeQueue == null) {
+                        this.writeQueue = new LinkedBlockingDeque<>();
+                    }
+                }
+            }
+            this.writeQueue.add(new WriteEntry(src, attachment, handler));
+            return;
+        }
+        WriteOneCompletionHandler newHandler = new WriteOneCompletionHandler(src, handler);
+        if (!channel.isOpen()) {
+            newHandler.failed(new ClosedChannelException(), attachment);
+            return;
+        }
+        this.writetime = System.currentTimeMillis();
+        if (writeTimeoutSeconds > 0) {
+            channel.write(src, writeTimeoutSeconds, TimeUnit.SECONDS, attachment, newHandler);
+        } else {
+            channel.write(src, attachment, newHandler);
+        }
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, final CompletionHandler<Integer, ? super A> handler) {
+        write(true, srcs, offset, length, attachment, handler);
+    }
+
+    private <A> void write(boolean acquire, ByteBuffer[] srcs, int offset, int length, A attachment, final CompletionHandler<Integer, ? super A> handler) {
+        if (acquire && !semaphore.tryAcquire()) {
+            if (this.writeQueue == null) {
+                synchronized (semaphore) {
+                    if (this.writeQueue == null) {
+                        this.writeQueue = new LinkedBlockingDeque<>();
+                    }
+                }
+            }
+            this.writeQueue.add(new WriteEntry(srcs, offset, length, attachment, handler));
+            return;
+        }
+        WriteMoreCompletionHandler newHandler = new WriteMoreCompletionHandler(srcs, offset, length, handler);
+        if (!channel.isOpen()) {
+            newHandler.failed(new ClosedChannelException(), attachment);
+            return;
+        }
+        this.writetime = System.currentTimeMillis();
+        channel.write(srcs, offset, length, writeTimeoutSeconds > 0 ? writeTimeoutSeconds : 60, TimeUnit.SECONDS, attachment, newHandler);
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return this.readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return this.writeTimeoutSeconds;
+    }
+
+    @Override
+    public final SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        try {
+            return channel.getLocalAddress();
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    @Override
+    public final Future<Integer> read(ByteBuffer dst) {
+        return channel.read(dst);
+    }
+
+    @Override
+    public final Future<Integer> write(ByteBuffer src) {
+        return channel.write(src);
+    }
+
+    @Override
+    public final void close() throws IOException {
+        super.close();
+        channel.close();
+        BlockingQueue<WriteEntry> queue = this.writeQueue;
+        if (queue == null) return;
+        WriteEntry entry;
+        Exception ex = null;
+        while ((entry = queue.poll()) != null) {
+            if (ex == null) ex = new ClosedChannelException();
+            try {
+                entry.writeHandler.failed(ex, entry.writeAttachment);
+            } catch (Exception e) {
+            }
+        }
+    }
+
+    @Override
+    public final boolean isOpen() {
+        return channel.isOpen();
+    }
+
+    @Override
+    public final boolean isTCP() {
+        return true;
+    }
+
+    private class WriteMoreCompletionHandler<A> implements CompletionHandler<Long, A> {
+
+        private final CompletionHandler<Integer, A> writeHandler;
+
+        private final ByteBuffer[] writeBuffers;
+
+        private int writeOffset;
+
+        private int writeLength;
+
+        private int writeCount;
+
+        public WriteMoreCompletionHandler(ByteBuffer[] buffers, int offset, int length, CompletionHandler handler) {
+            this.writeBuffers = buffers;
+            this.writeOffset = offset;
+            this.writeLength = length;
+            this.writeHandler = handler;
+        }
+
+        @Override
+        public void completed(Long result, A attachment) {
+            if (result >= 0) {
+                writeCount += result;
+                try {
+                    int index = -1;
+                    for (int i = writeOffset; i < (writeOffset + writeLength); i++) {
+                        if (writeBuffers[i].hasRemaining()) {
+                            index = i;
+                            break;
+                        }
+                    }
+                    if (index >= 0) {
+                        writeOffset += index;
+                        writeLength -= index;
+                        channel.write(writeBuffers, writeOffset, writeLength, writeTimeoutSeconds > 0 ? writeTimeoutSeconds : 60, TimeUnit.SECONDS, attachment, this);
+                        return;
+                    }
+                } catch (Exception e) {
+                    failed(e, attachment);
+                    return;
+                }
+                nextWrite(attachment);
+                writeHandler.completed(writeCount, attachment);
+            } else {
+                nextWrite(attachment);
+                writeHandler.completed(result.intValue(), attachment);
+            }
+        }
+
+        @Override
+        public void failed(Throwable exc, A attachment) {
+            nextWrite(attachment);
+            writeHandler.failed(exc, attachment);
+        }
+
+    }
+
+    private class WriteOneCompletionHandler<A> implements CompletionHandler<Integer, A> {
+
+        private final CompletionHandler writeHandler;
+
+        private final ByteBuffer writeOneBuffer;
+
+        public WriteOneCompletionHandler(ByteBuffer buffer, CompletionHandler handler) {
+            this.writeOneBuffer = buffer;
+            this.writeHandler = handler;
+        }
+
+        @Override
+        public void completed(Integer result, A attachment) {
+            try {
+                if (writeOneBuffer.hasRemaining()) {
+                    channel.write(writeOneBuffer, attachment, this);
+                    return;
+                }
+            } catch (Exception e) {
+                failed(e, attachment);
+                return;
+            }
+            nextWrite(attachment);
+            writeHandler.completed(result, attachment);
+        }
+
+        @Override
+        public void failed(Throwable exc, A attachment) {
+            nextWrite(attachment);
+            writeHandler.failed(exc, attachment);
+        }
+
+    }
+
+    private static class WriteEntry {
+
+        ByteBuffer writeOneBuffer;
+
+        ByteBuffer[] writeBuffers;
+
+        int writingCount;
+
+        int writeOffset;
+
+        int writeLength;
+
+        Object writeAttachment;
+
+        CompletionHandler writeHandler;
+
+        public WriteEntry(ByteBuffer writeOneBuffer, Object writeAttachment, CompletionHandler writeHandler) {
+            this.writeOneBuffer = writeOneBuffer;
+            this.writeAttachment = writeAttachment;
+            this.writeHandler = writeHandler;
+        }
+
+        public WriteEntry(ByteBuffer[] writeBuffers, int writeOffset, int writeLength, Object writeAttachment, CompletionHandler writeHandler) {
+            this.writeBuffers = writeBuffers;
+            this.writeOffset = writeOffset;
+            this.writeLength = writeLength;
+            this.writeAttachment = writeAttachment;
+            this.writeHandler = writeHandler;
+        }
+    }
+}

src/org/redkale/net/TcpAioProtocolServer.java

@@ -0,0 +1,116 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.logging.Level;
+import org.redkale.util.AnyValue;
+
+/**
+ * 协议底层Server
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpAioProtocolServer extends ProtocolServer {
+
+    private AsynchronousChannelGroup group;
+
+    private AsynchronousServerSocketChannel serverChannel;
+
+    public TcpAioProtocolServer(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void open(AnyValue config) throws IOException {
+        group = AsynchronousChannelGroup.withThreadPool(context.executor);
+        this.serverChannel = AsynchronousServerSocketChannel.open(group);
+
+        final Set<SocketOption<?>> options = this.serverChannel.supportedOptions();
+        if (options.contains(StandardSocketOptions.TCP_NODELAY)) {
+            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_KEEPALIVE)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_REUSEADDR)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_RCVBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+        }
+        if (options.contains(StandardSocketOptions.SO_SNDBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+        }
+    }
+
+    @Override
+    public void bind(SocketAddress local, int backlog) throws IOException {
+        this.serverChannel.bind(local, backlog);
+    }
+
+    @Override
+    public <T> void setOption(SocketOption<T> name, T value) throws IOException {
+        this.serverChannel.setOption(name, value);
+    }
+
+    @Override
+    public <T> Set<SocketOption<?>> supportedOptions() {
+        return this.serverChannel.supportedOptions();
+    }
+
+    @Override
+    public void accept() throws IOException {
+        final AsynchronousServerSocketChannel serchannel = this.serverChannel;
+        serchannel.accept(null, new CompletionHandler<AsynchronousSocketChannel, Void>() {
+
+            @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();
+                try {
+                    channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                    channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                    channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+                    channel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+                    channel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+                } catch (IOException e) {
+                    context.logger.log(Level.INFO, channel + " setOption error", e);
+                }
+                AsyncConnection conn = new TcpAioAsyncConnection(channel, context.sslContext, null, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+                conn.livingCounter = livingCounter;
+                conn.closedCounter = closedCounter;
+                context.runAsync(new PrepareRunner(context, conn, null, null));
+            }
+
+            @Override
+            public void failed(Throwable exc, Void attachment) {
+                serchannel.accept(null, this);
+                //if (exc != null) context.logger.log(Level.FINEST, AsynchronousServerSocketChannel.class.getSimpleName() + " accept erroneous", exc);
+            }
+        });
+    }
+
+    @Override
+    public void close() throws IOException {
+        this.serverChannel.close();
+    }
+
+}

src/org/redkale/net/TcpBioAsyncConnection.java

@@ -0,0 +1,240 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpBioAsyncConnection extends AsyncConnection {
+
+    static final Set<SocketOption<?>> defaultOptions = defaultOptions();
+
+    private static Set<SocketOption<?>> defaultOptions() {
+        HashSet<SocketOption<?>> set = new HashSet<>(5);
+        set.add(StandardSocketOptions.SO_SNDBUF);
+        set.add(StandardSocketOptions.SO_RCVBUF);
+        set.add(StandardSocketOptions.SO_KEEPALIVE);
+        set.add(StandardSocketOptions.SO_REUSEADDR);
+        set.add(StandardSocketOptions.TCP_NODELAY);
+        return Collections.unmodifiableSet(set);
+    }
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final Socket socket;
+
+    private final ReadableByteChannel readChannel;
+
+    private final WritableByteChannel writeChannel;
+
+    private final SocketAddress remoteAddress;
+
+    public TcpBioAsyncConnection(final Socket socket, final SocketAddress addr0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.socket = socket;
+        ReadableByteChannel rc = null;
+        WritableByteChannel wc = null;
+        try {
+            socket.setSoTimeout(Math.max(readTimeoutSeconds0, writeTimeoutSeconds0));
+            rc = Channels.newChannel(socket.getInputStream());
+            wc = Channels.newChannel(socket.getOutputStream());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        this.readChannel = rc;
+        this.writeChannel = wc;
+        this.readTimeoutSeconds = readTimeoutSeconds0;
+        this.writeTimeoutSeconds = writeTimeoutSeconds0;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = socket.getRemoteSocketAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public boolean isTCP() {
+        return true;
+    }
+
+    @Override
+    public SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        return socket.getLocalSocketAddress();
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return writeTimeoutSeconds;
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        try {
+            this.socket.shutdownInput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        try {
+            this.socket.shutdownOutput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            if (StandardSocketOptions.SO_REUSEADDR == name) {
+                this.socket.setReuseAddress((Boolean) value);
+                return true;
+            }
+            if (StandardSocketOptions.SO_KEEPALIVE == name) {
+                this.socket.setKeepAlive((Boolean) value);
+                return true;
+            }
+            if (StandardSocketOptions.TCP_NODELAY == name) {
+                this.socket.setTcpNoDelay((Boolean) value);
+                return true;
+            }
+            if (StandardSocketOptions.SO_RCVBUF == name) {
+                this.socket.setReceiveBufferSize((Integer) value);
+                return true;
+            }
+            if (StandardSocketOptions.SO_SNDBUF == name) {
+                this.socket.setSendBufferSize((Integer) value);
+                return true;
+            }
+        } catch (IOException e) {
+            return false;
+        }
+        return false;
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return defaultOptions;
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = 0;
+            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);
+        }
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        read(dst, attachment, handler);
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        super.close();
+        this.socket.close();
+    }
+
+    @Override
+    public boolean isOpen() {
+        return !socket.isClosed();
+    }
+}

src/org/redkale/net/TcpNioAsyncConnection.java

@@ -0,0 +1,365 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpNioAsyncConnection extends AsyncConnection {
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final Selector selector;
+
+    private SelectionKey key;
+
+    private final SocketChannel channel;
+
+    private final SocketAddress remoteAddress;
+
+    ByteBuffer readBuffer;
+
+    Object readAttachment;
+
+    CompletionHandler readHandler;
+
+    ByteBuffer writeOneBuffer;
+
+    ByteBuffer[] writeBuffers;
+
+    int writingCount;
+
+    int writeOffset;
+
+    int writeLength;
+
+    Object writeAttachment;
+
+    CompletionHandler writeHandler;
+
+    public TcpNioAsyncConnection(final SocketChannel ch, SocketAddress addr0,
+        final Selector selector,
+        final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.channel = ch;
+        this.selector = selector;
+        this.readTimeoutSeconds = readTimeoutSeconds0;
+        this.writeTimeoutSeconds = writeTimeoutSeconds0;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = ch.getRemoteAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return this.readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return this.writeTimeoutSeconds;
+    }
+
+    @Override
+    public final SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        try {
+            return channel.getLocalAddress();
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        try {
+            this.channel.shutdownInput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        try {
+            this.channel.shutdownOutput();
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            this.channel.setOption(name, value);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return this.channel.supportedOptions();
+    }
+
+    CompletionHandler removeReadHandler() {
+        CompletionHandler handler = this.readHandler;
+        this.readHandler = null;
+        return handler;
+    }
+
+    ByteBuffer removeReadBuffer() {
+        ByteBuffer buffer = this.readBuffer;
+        this.readBuffer = null;
+        return buffer;
+    }
+
+    Object removeReadAttachment() {
+        Object attach = this.readAttachment;
+        this.readAttachment = null;
+        return attach;
+    }
+
+    void completeRead(int rs) {
+        Object attach = this.readAttachment;
+        CompletionHandler handler = this.readHandler;
+        this.readBuffer = null;
+        this.readAttachment = null;
+        this.readHandler = null;
+        handler.completed(rs, attach);
+    }
+
+    void faileRead(Throwable t) {
+        Object attach = this.readAttachment;
+        CompletionHandler handler = this.readHandler;
+        this.readBuffer = null;
+        this.readAttachment = null;
+        this.readHandler = null;
+        handler.failed(t, attach);
+    }
+
+    CompletionHandler removeWriteHandler() {
+        CompletionHandler handler = this.writeHandler;
+        this.writeHandler = null;
+        return handler;
+    }
+
+    ByteBuffer removeWriteOneBuffer() {
+        ByteBuffer buffer = this.writeOneBuffer;
+        this.writeOneBuffer = null;
+        return buffer;
+    }
+
+    ByteBuffer[] removeWriteBuffers() {
+        ByteBuffer[] buffers = this.writeBuffers;
+        this.writeBuffers = null;
+        return buffers;
+    }
+
+    int removeWritingCount() {
+        int rs = this.writingCount;
+        this.writingCount = 0;
+        return rs;
+    }
+
+    int removeWriteOffset() {
+        int rs = this.writeOffset;
+        this.writeOffset = 0;
+        return rs;
+    }
+
+    int removeWriteLength() {
+        int rs = this.writeLength;
+        this.writeLength = 0;
+        return rs;
+    }
+
+    Object removeWriteAttachment() {
+        Object attach = this.writeAttachment;
+        this.writeAttachment = null;
+        return attach;
+    }
+
+    void completeWrite(int rs) {
+        Object attach = this.writeAttachment;
+        CompletionHandler handler = this.writeHandler;
+        this.writeOneBuffer = null;
+        this.writeBuffers = null;
+        this.writeOffset = 0;
+        this.writeLength = 0;
+        this.writeAttachment = null;
+        this.writeHandler = null;
+        handler.completed(rs, attach);
+    }
+
+    void faileWrite(Throwable t) {
+        Object attach = this.writeAttachment;
+        CompletionHandler handler = this.writeHandler;
+        this.writeOneBuffer = null;
+        this.writeBuffers = null;
+        this.writeOffset = 0;
+        this.writeLength = 0;
+        this.writeAttachment = null;
+        this.writeHandler = null;
+        handler.failed(t, attach);
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        if (this.readHandler != null) throw new RuntimeException("pending read");
+        try {
+            this.readBuffer = dst;
+            this.readAttachment = attachment;
+            this.readHandler = handler;
+            if (key == null) {
+                key = channel.register(selector, SelectionKey.OP_READ);
+                key.attach(this);
+            } else {
+                key.interestOps(SelectionKey.OP_READ);
+            }
+            selector.wakeup();
+        } catch (Exception e) {
+            faileRead(e);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        read(dst, attachment, handler);
+    }
+
+    @Override
+    public Future<Integer> read(ByteBuffer dst) {
+        CompletableFuture future = new CompletableFuture();
+        read(dst, null, new CompletionHandler<Integer, Void>() {
+            @Override
+            public void completed(Integer result, Void attachment) {
+                future.complete(result);
+            }
+
+            @Override
+            public void failed(Throwable exc, Void attachment) {
+                future.completeExceptionally(exc);
+            }
+        });
+        return future;
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        if (this.writeHandler != null) throw new RuntimeException("pending write");
+        try {
+            this.writeBuffers = srcs;
+            this.writeOffset = offset;
+            this.writeLength = length;
+            this.writingCount = 0;
+            this.writeAttachment = attachment;
+            this.writeHandler = handler;
+            if (key == null) {
+                key = channel.register(selector, SelectionKey.OP_WRITE);
+                key.attach(this);
+            } else {
+                key.interestOps(SelectionKey.OP_WRITE);
+            }
+            selector.wakeup();
+        } catch (Exception e) {
+            faileWrite(e);
+        }
+    }
+
+    @Override
+    public <A> void write(ByteBuffer src, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        if (this.writeHandler != null) throw new RuntimeException("pending write");
+        try {
+            this.writeOneBuffer = src;
+            this.writingCount = 0;
+            this.writeAttachment = attachment;
+            this.writeHandler = handler;
+            if (key == null) {
+                key = channel.register(selector, SelectionKey.OP_WRITE);
+                key.attach(this);
+            } else {
+                key.interestOps(SelectionKey.OP_WRITE);
+            }
+            selector.wakeup();
+        } catch (Exception e) {
+            faileWrite(e);
+        }
+    }
+
+    @Override
+    public Future<Integer> write(ByteBuffer src) {
+        CompletableFuture future = new CompletableFuture();
+        write(src, null, new CompletionHandler<Integer, Void>() {
+            @Override
+            public void completed(Integer result, Void attachment) {
+                future.complete(result);
+            }
+
+            @Override
+            public void failed(Throwable exc, Void attachment) {
+                future.completeExceptionally(exc);
+            }
+        });
+        return future;
+    }
+
+    @Override
+    public final void close() throws IOException {
+        super.close();
+        channel.close();
+        key.cancel();
+    }
+
+    @Override
+    public final boolean isOpen() {
+        return channel.isOpen();
+    }
+
+    @Override
+    public final boolean isTCP() {
+        return true;
+    }
+}

src/org/redkale/net/TcpNioProtocolServer.java

@@ -0,0 +1,309 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.*;
+import java.util.concurrent.CountDownLatch;
+import org.redkale.util.AnyValue;
+
+/**
+ * 协议底层Server
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class TcpNioProtocolServer extends ProtocolServer {
+
+    private Selector acceptSelector;
+
+    private ServerSocketChannel serverChannel;
+
+    private NIOThreadWorker[] workers;
+
+    private NIOThreadWorker currWorker;
+
+    private boolean running;
+
+    public TcpNioProtocolServer(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void open(AnyValue config) throws IOException {
+        acceptSelector = Selector.open();
+        this.serverChannel = ServerSocketChannel.open();
+        serverChannel.configureBlocking(false);
+        ServerSocket socket = serverChannel.socket();
+        socket.setReceiveBufferSize(16 * 1024);
+        socket.setReuseAddress(true);
+
+        final Set<SocketOption<?>> options = this.serverChannel.supportedOptions();
+        if (options.contains(StandardSocketOptions.TCP_NODELAY)) {
+            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_KEEPALIVE)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_REUSEADDR)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_RCVBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+        }
+        if (options.contains(StandardSocketOptions.SO_SNDBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+        }
+    }
+
+    @Override
+    public void bind(SocketAddress local, int backlog) throws IOException {
+        this.serverChannel.bind(local, backlog);
+    }
+
+    @Override
+    public <T> Set<SocketOption<?>> supportedOptions() {
+        return this.serverChannel.supportedOptions();
+    }
+
+    @Override
+    public <T> void setOption(SocketOption<T> name, T value) throws IOException {
+        this.serverChannel.setOption(name, value);
+    }
+
+    @Override
+    public void accept() throws IOException {
+        this.serverChannel.register(acceptSelector, SelectionKey.OP_ACCEPT);
+        final CountDownLatch cdl = new CountDownLatch(1);
+        this.running = true;
+        this.workers = new NIOThreadWorker[Runtime.getRuntime().availableProcessors()];
+        for (int i = 0; i < workers.length; i++) {
+            workers[i] = new NIOThreadWorker();
+            workers[i].setDaemon(true);
+            workers[i].start();
+        }
+        for (int i = 0; i < workers.length - 1; i++) { //构成环形
+            workers[i].next = workers[i + 1];
+        }
+        workers[workers.length - 1].next = workers[0];
+        currWorker = workers[0];
+        new Thread() {
+            @Override
+            public void run() {
+                cdl.countDown();
+                while (running) {
+                    try {
+                        acceptSelector.select();
+                        Set<SelectionKey> selectedKeys = acceptSelector.selectedKeys();
+                        synchronized (selectedKeys) {
+                            Iterator<?> iter = selectedKeys.iterator();
+                            while (iter.hasNext()) {
+                                SelectionKey key = (SelectionKey) iter.next();
+                                iter.remove();
+                                if (key.isAcceptable()) {
+                                    try {
+                                        SocketChannel channel = ((ServerSocketChannel) key.channel()).accept();
+                                        channel.configureBlocking(false);
+                                        channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                                        channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                                        channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+                                        channel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+                                        channel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+                                        createCounter.incrementAndGet();
+                                        livingCounter.incrementAndGet();
+                                        currWorker.addChannel(channel);
+                                        currWorker = currWorker.next;
+                                    } catch (IOException io) {
+                                        io.printStackTrace();
+                                    }
+                                }
+                            }
+                        }
+                    } catch (Throwable t) {
+                        t.printStackTrace();
+                    }
+                }
+            }
+        }.start();
+        try {
+            cdl.await();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        if (!this.running) return;
+        this.running = false;
+        serverChannel.close();
+        acceptSelector.close();
+        for (NIOThreadWorker worker : workers) {
+            worker.interrupt();
+        }
+    }
+
+    class NIOThreadWorker extends Thread {
+
+        final Selector selector;
+
+        NIOThreadWorker next;
+
+        public NIOThreadWorker() {
+            try {
+                this.selector = Selector.open();
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        public void addChannel(SocketChannel channel) throws IOException {
+            AsyncConnection conn = new TcpNioAsyncConnection(channel, null, selector, context.readTimeoutSeconds, context.writeTimeoutSeconds, null, null);
+            context.runAsync(new PrepareRunner(context, conn, null, null));
+        }
+
+        @Override
+        public void run() {
+            while (running) {
+                try {
+                    selector.select(50);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                try {
+                    Set<SelectionKey> selectedKeys = selector.selectedKeys();
+                    synchronized (selectedKeys) {
+                        Iterator<?> iter = selectedKeys.iterator();
+                        while (iter.hasNext()) {
+                            SelectionKey key = (SelectionKey) iter.next();
+                            iter.remove();
+                            processKey(key);
+                        }
+                    }
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        private void processKey(SelectionKey key) {
+            if (key == null || !key.isValid()) return;
+            SocketChannel socket = (SocketChannel) key.channel();
+            TcpNioAsyncConnection conn = (TcpNioAsyncConnection) key.attachment();
+            if (!socket.isOpen()) {
+                if (conn == null) {
+                    key.cancel();
+                } else {
+                    conn.dispose();
+                }
+                return;
+            }
+            if (conn == null) return;
+            if (key.isWritable()) {
+                if (conn.writeHandler != null) writeOP(key, socket, conn);
+            } else if (key.isReadable()) {
+                if (conn.readHandler != null) readOP(key, socket, conn);
+            }
+        }
+
+        private void readOP(SelectionKey key, SocketChannel socket, TcpNioAsyncConnection conn) {
+            final CompletionHandler handler = conn.removeReadHandler();
+            final ByteBuffer buffer = conn.removeReadBuffer();
+            final Object attach = conn.removeReadAttachment();
+            //System.out.println(conn + "------readbuf:" + buffer + "-------handler:" + handler);
+            if (handler == null || buffer == null) return;
+            try {
+                final int rs = socket.read(buffer);
+                {  //测试
+                    buffer.flip();
+                    byte[] bs = new byte[buffer.remaining()];
+                    buffer.get(bs);
+                    //System.out.println(conn + "------readbuf:" + buffer + "-------handler:" + handler + "-------读内容: " + new String(bs));
+                }
+                //System.out.println(conn + "------readbuf:" + buffer + "-------handler:" + handler + "-------read: " + rs);
+                context.runAsync(() -> {
+                    try {
+                        handler.completed(rs, attach);
+                    } catch (Throwable e) {
+                        handler.failed(e, attach);
+                    }
+                });
+            } catch (Throwable t) {
+                context.runAsync(() -> handler.failed(t, attach));
+            }
+        }
+
+        private void writeOP(SelectionKey key, SocketChannel socket, TcpNioAsyncConnection conn) {
+            final CompletionHandler handler = conn.writeHandler;
+            final ByteBuffer oneBuffer = conn.removeWriteOneBuffer();
+            final ByteBuffer[] buffers = conn.removeWriteBuffers();
+            final Object attach = conn.removeWriteAttachment();
+            final int writingCount = conn.removeWritingCount();
+            final int writeOffset = conn.removeWriteOffset();
+            final int writeLength = conn.removeWriteLength();
+            if (handler == null || (oneBuffer == null && buffers == null)) return;
+            //System.out.println(conn + "------buffers:" + Arrays.toString(buffers) + "---onebuf:" + oneBuffer + "-------handler:" + handler);
+            try {
+                int rs = 0;
+                if (oneBuffer == null) {
+                    int offset = writeOffset;
+                    int length = writeLength;
+                    rs = (int) socket.write(buffers, offset, length);
+                    boolean over = true;
+                    int end = offset + length;
+                    for (int i = offset; i < end; i++) {
+                        if (buffers[i].hasRemaining()) {
+                            over = false;
+                            length -= i - offset;
+                            offset = i;
+                        }
+                    }
+                    if (!over) {
+                        conn.writingCount += rs;
+                        conn.writeHandler = handler;
+                        conn.writeAttachment = attach;
+                        conn.writeBuffers = buffers;
+                        conn.writeOffset = offset;
+                        conn.writeLength = length;
+                        key.interestOps(SelectionKey.OP_READ + SelectionKey.OP_WRITE);
+                        key.selector().wakeup();
+                        return;
+                    }
+                } else {
+                    rs = socket.write(oneBuffer);
+                    if (oneBuffer.hasRemaining()) {
+                        conn.writingCount += rs;
+                        conn.writeHandler = handler;
+                        conn.writeAttachment = attach;
+                        conn.writeOneBuffer = oneBuffer;
+                        key.interestOps(SelectionKey.OP_READ + SelectionKey.OP_WRITE);
+                        key.selector().wakeup();
+                        return;
+                    }
+                }
+                conn.removeWriteHandler();
+                key.interestOps(SelectionKey.OP_READ); //OP_CONNECT
+                final int rs0 = rs + writingCount;
+                //System.out.println(conn + "------buffers:" + Arrays.toString(buffers) + "---onebuf:" + oneBuffer + "-------handler:" + handler + "-------write: " + rs);
+                context.runAsync(() -> {
+                    try {
+                        handler.completed(rs0, attach);
+                    } catch (Throwable e) {
+                        handler.failed(e, attach);
+                    }
+                });
+            } catch (Throwable t) {
+                context.runAsync(() -> handler.failed(t, attach));
+            }
+        }
+
+    }
+}

src/org/redkale/net/Transport.java

@@ -5,12 +5,17 @@
  */
 package org.redkale.net;
 
+import java.io.IOException;
+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.concurrent.atomic.*;
 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.*;
@@ -24,334 +29,466 @@ import org.redkale.util.*;
  * @author zhangjx
  */
 public final class Transport {
-
+    
     public static final String DEFAULT_PROTOCOL = "TCP";
-
-    protected static final int MAX_POOL_LIMIT = Runtime.getRuntime().availableProcessors() * 16;
-
-    protected static final boolean supportTcpNoDelay;
-
-    static {
-        boolean tcpNoDelay = false;
-        try {
-            AsynchronousSocketChannel channel = AsynchronousSocketChannel.open();
-            tcpNoDelay = channel.supportedOptions().contains(StandardSocketOptions.TCP_NODELAY);
-            channel.close();
-        } catch (Exception e) {
-        }
-        supportTcpNoDelay = tcpNoDelay;
-    }
-
+    
+    protected final AtomicInteger seq = new AtomicInteger(-1);
+    
+    protected final TransportFactory factory;
+    
     protected final String name; //即<group>的name属性
 
     protected final String subprotocol; //即<group>的subprotocol属性
 
     protected final boolean tcp;
-
+    
     protected final String protocol;
-
+    
     protected final AsynchronousChannelGroup group;
-
+    
     protected final InetSocketAddress clientAddress;
 
-    protected TransportAddress[] transportAddres = new TransportAddress[0];
-
+    //不可能为null
+    protected TransportNode[] transportNodes = new TransportNode[0];
+    
     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;
         updateRemoteAddresses(addresses);
     }
-
+    
     public final InetSocketAddress[] updateRemoteAddresses(final Collection<InetSocketAddress> addresses) {
-        TransportAddress[] oldAddresses = this.transportAddres;
-        List<TransportAddress> list = new ArrayList<>();
-        if (addresses != null) {
-            for (InetSocketAddress addr : addresses) {
-                if (clientAddress != null && clientAddress.equals(addr)) continue;
-                list.add(new TransportAddress(addr));
+        final TransportNode[] oldNodes = this.transportNodes;
+        synchronized (this) {
+            List<TransportNode> list = new ArrayList<>();
+            if (addresses != null) {
+                for (InetSocketAddress addr : addresses) {
+                    if (clientAddress != null && clientAddress.equals(addr)) continue;
+                    boolean hasold = false;
+                    for (TransportNode oldAddr : oldNodes) {
+                        if (oldAddr.getAddress().equals(addr)) {
+                            list.add(oldAddr);
+                            hasold = true;
+                            break;
+                        }
+                    }
+                    if (hasold) continue;
+                    list.add(new TransportNode(factory.poolmaxconns, addr));
+                }
             }
+            this.transportNodes = list.toArray(new TransportNode[list.size()]);
         }
-        this.transportAddres = list.toArray(new TransportAddress[list.size()]);
-
-        InetSocketAddress[] rs = new InetSocketAddress[oldAddresses.length];
+        InetSocketAddress[] rs = new InetSocketAddress[oldNodes.length];
         for (int i = 0; i < rs.length; i++) {
-            rs[i] = oldAddresses[i].getAddress();
+            rs[i] = oldNodes[i].getAddress();
         }
         return rs;
     }
-
+    
     public final boolean addRemoteAddresses(final InetSocketAddress addr) {
         if (addr == null) return false;
+        if (clientAddress != null && clientAddress.equals(addr)) return false;
         synchronized (this) {
-            if (this.transportAddres == null) {
-                this.transportAddres = new TransportAddress[]{new TransportAddress(addr)};
+            if (this.transportNodes.length == 0) {
+                this.transportNodes = new TransportNode[]{new TransportNode(factory.poolmaxconns, addr)};
             } else {
-                for (TransportAddress i : this.transportAddres) {
+                for (TransportNode i : this.transportNodes) {
                     if (addr.equals(i.address)) return false;
                 }
-                this.transportAddres = Utility.append(transportAddres, new TransportAddress(addr));
+                this.transportNodes = Utility.append(transportNodes, new TransportNode(factory.poolmaxconns, addr));
             }
             return true;
         }
     }
-
+    
     public final boolean removeRemoteAddresses(InetSocketAddress addr) {
         if (addr == null) return false;
-        if (this.transportAddres == null) return false;
         synchronized (this) {
-            this.transportAddres = Utility.remove(transportAddres, new TransportAddress(addr));
+            this.transportNodes = Utility.remove(transportNodes, new TransportNode(factory.poolmaxconns, addr));
         }
         return true;
     }
-
+    
     public String getName() {
         return name;
     }
-
+    
     public String getSubprotocol() {
         return subprotocol;
     }
-
+    
     public void close() {
-        connPool.forEach((k, v) -> v.forEach(c -> c.dispose()));
+        TransportNode[] nodes = this.transportNodes;
+        if (nodes == null) return;
+        for (TransportNode node : nodes) {
+            if (node != null) node.dispose();
+        }
     }
-
+    
     public InetSocketAddress getClientAddress() {
         return clientAddress;
     }
-
-    public TransportAddress[] getTransportAddresses() {
-        return transportAddres;
+    
+    public TransportNode[] getTransportNodes() {
+        return transportNodes;
     }
-
+    
+    public TransportNode findTransportNode(SocketAddress addr) {
+        for (TransportNode node : this.transportNodes) {
+            if (node.address.equals(addr)) return node;
+        }
+        return null;
+    }
+    
     public InetSocketAddress[] getRemoteAddresses() {
-        InetSocketAddress[] rs = new InetSocketAddress[transportAddres.length];
+        InetSocketAddress[] rs = new InetSocketAddress[transportNodes.length];
         for (int i = 0; i < rs.length; i++) {
-            rs[i] = transportAddres[i].getAddress();
+            rs[i] = transportNodes[i].getAddress();
         }
         return rs;
     }
-
-    public ConcurrentHashMap<SocketAddress, BlockingQueue<AsyncConnection>> getAsyncConnectionPool() {
-        return connPool;
-    }
-
+    
     @Override
     public String toString() {
-        return Transport.class.getSimpleName() + "{name = " + name + ", protocol = " + protocol + ", clientAddress = " + clientAddress + ", remoteAddres = " + Arrays.toString(transportAddres) + "}";
+        return Transport.class.getSimpleName() + "{name = " + name + ", protocol = " + protocol + ", clientAddress = " + clientAddress + ", remoteNodes = " + Arrays.toString(transportNodes) + "}";
     }
-
+    
     public ByteBuffer pollBuffer() {
         return bufferPool.get();
     }
-
+    
     public Supplier<ByteBuffer> getBufferSupplier() {
         return bufferPool;
     }
-
+    
     public void offerBuffer(ByteBuffer buffer) {
-        bufferPool.offer(buffer);
+        bufferPool.accept(buffer);
     }
-
+    
     public void offerBuffer(ByteBuffer... buffers) {
         for (ByteBuffer buffer : buffers) offerBuffer(buffer);
     }
-
+    
+    public AsynchronousChannelGroup getTransportChannelGroup() {
+        return group;
+    }
+    
     public boolean isTCP() {
         return tcp;
     }
-
-    public 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;
-        if (rand && this.transportAddres.length < 1) throw new RuntimeException("Transport (" + this.name + ") have no remoteAddress list");
+    
+    public CompletableFuture<AsyncConnection> pollConnection(SocketAddress addr0) {
+        if (this.strategy != null) return strategy.pollConnection(addr0, this);
+        final TransportNode[] nodes = this.transportNodes;
+        if (addr0 == null && nodes.length == 1) addr0 = nodes[0].address;
+        final SocketAddress addr = addr0;
+        final boolean rand = addr == null; //是否随机取地址
+        if (rand && nodes.length < 1) throw new RuntimeException("Transport (" + this.name + ") have no remoteAddress list");
         try {
-            if (tcp) {
-                AsynchronousSocketChannel channel = null;
-                if (rand) {   //取地址
-                    TransportAddress transportAddr;
-                    boolean tryed = false;
-                    for (int i = 0; i < transportAddres.length; i++) {
-                        transportAddr = transportAddres[i];
-                        addr = transportAddr.address;
-                        if (!transportAddr.enable) continue;
-                        final BlockingQueue<AsyncConnection> queue = transportAddr.conns;
-                        if (!queue.isEmpty()) {
-                            AsyncConnection conn;
-                            while ((conn = queue.poll()) != null) {
-                                if (conn.isOpen()) return conn;
-                            }
-                        }
-                        tryed = true;
-                        if (channel == null) {
-                            channel = AsynchronousSocketChannel.open(group);
-                            if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
-                        }
-                        try {
-                            channel.connect(addr).get(2, TimeUnit.SECONDS);
-                            transportAddr.enable = true;
-                            break;
-                        } catch (Exception iex) {
-                            transportAddr.enable = false;
-                            channel = null;
-                        }
-                    }
-                    if (channel == null && !tryed) {
-                        for (int i = 0; i < transportAddres.length; i++) {
-                            transportAddr = transportAddres[i];
-                            addr = transportAddr.address;
-                            if (channel == null) {
-                                channel = AsynchronousSocketChannel.open(group);
-                                if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
-                            }
-                            try {
-                                channel.connect(addr).get(2, TimeUnit.SECONDS);
-                                transportAddr.enable = true;
-                                break;
-                            } catch (Exception iex) {
-                                transportAddr.enable = false;
-                                channel = null;
-                            }
-                        }
-                    }
-                } else {
-                    channel = AsynchronousSocketChannel.open(group);
-                    if (supportTcpNoDelay) channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
-                    channel.connect(addr).get(2, TimeUnit.SECONDS);
-                }
-                if (channel == null) return null;
-                return AsyncConnection.create(channel, addr, 3000, 3000);
-            } else { // UDP
-                if (rand) addr = this.transportAddres[0].address;
+            if (!tcp) { // UDP
+                SocketAddress udpaddr = rand ? nodes[0].address : addr;
                 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);
+                channel.connect(udpaddr);
+                return CompletableFuture.completedFuture(AsyncConnection.create(channel, udpaddr, true, factory.readTimeoutSeconds, factory.writeTimeoutSeconds));
             }
+            if (!rand) { //指定地址
+                TransportNode node = findTransportNode(addr);
+                if (node == null) {
+                    return AsyncConnection.createTCP(group, sslContext, addr, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
+                }
+                final BlockingQueue<AsyncConnection> queue = node.conns;
+                if (!queue.isEmpty()) {
+                    AsyncConnection conn;
+                    while ((conn = queue.poll()) != null) {
+                        if (conn.isOpen()) {
+                            return CompletableFuture.completedFuture(conn);
+                        } else {
+                            conn.dispose();
+                        }
+                    }
+                }
+                return AsyncConnection.createTCP(group, sslContext, addr, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
+            }
+
+            //---------------------随机取地址------------------------
+            int enablecount = 0;
+            final TransportNode[] newnodes = new TransportNode[nodes.length];
+            for (final TransportNode node : nodes) {
+                if (node.disabletime > 0) continue;
+                newnodes[enablecount++] = node;
+            }
+            final long now = System.currentTimeMillis();
+            if (enablecount > 0) { //存在可用的地址
+                final TransportNode one = newnodes[Math.abs(seq.incrementAndGet()) % enablecount];
+                final BlockingQueue<AsyncConnection> queue = one.conns;
+                if (!queue.isEmpty()) {
+                    AsyncConnection conn;
+                    while ((conn = queue.poll()) != null) {
+                        if (conn.isOpen()) {
+                            return CompletableFuture.completedFuture(conn);
+                        } else {
+                            conn.dispose();
+                        }
+                    }
+                }
+                CompletableFuture future = new CompletableFuture();
+                final AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(group);
+                channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+                channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+                channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+                channel.connect(one.address, one, new CompletionHandler<Void, TransportNode>() {
+                    @Override
+                    public void completed(Void result, TransportNode attachment) {
+                        attachment.disabletime = 0;
+                        AsyncConnection asyncConn = AsyncConnection.create(channel, attachment.address, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
+                        if (future.isDone()) {
+                            if (!attachment.conns.offer(asyncConn)) asyncConn.dispose();
+                        } else {
+                            future.complete(asyncConn);
+                        }
+                    }
+                    
+                    @Override
+                    public void failed(Throwable exc, TransportNode attachment) {
+                        attachment.disabletime = now;
+                        try {
+                            channel.close();
+                        } catch (Exception e) {
+                        }
+                        try {
+                            pollConnection0(nodes, one, now).whenComplete((r, t) -> {
+                                if (t != null) {
+                                    future.completeExceptionally(t);
+                                } else {
+                                    future.complete(r);
+                                }
+                            });
+                            
+                        } catch (Exception e) {
+                            future.completeExceptionally(e);
+                        }
+                    }
+                });
+                return future;
+            }
+            return pollConnection0(nodes, null, now);
         } catch (Exception ex) {
             throw new RuntimeException("transport address = " + addr, ex);
         }
     }
-
+    
+    private CompletableFuture<AsyncConnection> pollConnection0(TransportNode[] nodes, TransportNode exclude, long now) throws IOException {
+        //从可用/不可用的地址列表中创建连接
+        AtomicInteger count = new AtomicInteger(nodes.length);
+        CompletableFuture future = new CompletableFuture();
+        for (final TransportNode node : nodes) {
+            if (node == exclude) continue;
+            if (future.isDone()) return future;
+            final AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(group);
+            channel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+            channel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+            channel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+            channel.connect(node.address, node, new CompletionHandler<Void, TransportNode>() {
+                @Override
+                public void completed(Void result, TransportNode attachment) {
+                    try {
+                        attachment.disabletime = 0;
+                        AsyncConnection asyncConn = AsyncConnection.create(channel, attachment.address, factory.readTimeoutSeconds, factory.writeTimeoutSeconds);
+                        if (future.isDone()) {
+                            if (!attachment.conns.offer(asyncConn)) asyncConn.dispose();
+                        } else {
+                            future.complete(asyncConn);
+                        }
+                    } catch (Exception e) {
+                        failed(e, attachment); 
+                    }
+                }
+                
+                @Override
+                public void failed(Throwable exc, TransportNode attachment) {
+                    attachment.disabletime = now;
+                    if (count.decrementAndGet() < 1) {
+                        future.completeExceptionally(exc);
+                    }
+                    try {
+                        channel.close();
+                    } catch (Exception e) {
+                    }
+                }
+            });
+        }
+        return future;
+    }
+    
     public void offerConnection(final boolean forceClose, AsyncConnection conn) {
+        if (this.strategy != null && strategy.offerConnection(forceClose, conn)) return;
         if (!forceClose && conn.isTCP()) {
             if (conn.isOpen()) {
-                BlockingQueue<AsyncConnection> queue = connPool.get(conn.getRemoteAddress());
-                if (queue == null) {
-                    queue = new ArrayBlockingQueue<>(MAX_POOL_LIMIT);
-                    connPool.put(conn.getRemoteAddress(), queue);
-                }
-                if (!queue.offer(conn)) conn.dispose();
+                TransportNode node = findTransportNode(conn.getRemoteAddress());
+                if (node == null || !node.conns.offer(conn)) conn.dispose();
+            } else {
+                conn.dispose();
             }
         } else {
             conn.dispose();
         }
     }
-
+    
     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);
-                    }
-                });
-
-            }
-
-            @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 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);
+                }
+            });
         });
     }
-
-    public static class TransportAddress {
-
+    
+    public static class TransportNode {
+        
         protected InetSocketAddress address;
+        
+        protected volatile long disabletime; //不可用时的时间, 为0表示可用
 
-        protected volatile boolean enable;
-
-        protected final BlockingQueue<AsyncConnection> conns = new ArrayBlockingQueue<>(MAX_POOL_LIMIT);
-
-        public TransportAddress(InetSocketAddress address) {
+        protected final BlockingQueue<AsyncConnection> conns;
+        
+        protected final ConcurrentHashMap<String, Object> attributes = new ConcurrentHashMap<>();
+        
+        public TransportNode(int poolmaxconns, InetSocketAddress address) {
             this.address = address;
-            this.enable = true;
+            this.disabletime = 0;
+            this.conns = new ArrayBlockingQueue<>(poolmaxconns);
         }
-
-        @java.beans.ConstructorProperties({"address", "enable"})
-        public TransportAddress(InetSocketAddress address, boolean enable) {
+        
+        @ConstructorParameters({"poolmaxconns", "address", "disabletime"})
+        public TransportNode(int poolmaxconns, InetSocketAddress address, long disabletime) {
             this.address = address;
-            this.enable = enable;
+            this.disabletime = disabletime;
+            this.conns = new LinkedBlockingQueue<>(poolmaxconns);
         }
-
+        
+        public int getPoolmaxconns() {
+            return this.conns.remainingCapacity() + this.conns.size();
+        }
+        
+        public <T> T setAttribute(String name, T value) {
+            attributes.put(name, value);
+            return value;
+        }
+        
+        @SuppressWarnings("unchecked")
+        public <T> T getAttribute(String name) {
+            return (T) attributes.get(name);
+        }
+        
+        @SuppressWarnings("unchecked")
+        public <T> T removeAttribute(String name) {
+            return (T) attributes.remove(name);
+        }
+        
+        public TransportNode clearAttributes() {
+            attributes.clear();
+            return this;
+        }
+        
+        public ConcurrentHashMap<String, Object> getAttributes() {
+            return attributes;
+        }
+        
+        public void setAttributes(ConcurrentHashMap<String, Object> map) {
+            attributes.clear();
+            if (map != null) attributes.putAll(map);
+        }
+        
         public InetSocketAddress getAddress() {
             return address;
         }
-
-        public boolean isEnable() {
-            return enable;
+        
+        public long getDisabletime() {
+            return disabletime;
         }
-
-        @ConvertColumn(ignore = true)
+        
+        @ConvertDisabled
         public BlockingQueue<AsyncConnection> getConns() {
             return conns;
         }
-
+        
+        public void dispose() {
+            AsyncConnection conn;
+            while ((conn = conns.poll()) != null) {
+                conn.dispose();
+            }
+        }
+        
         @Override
         public int hashCode() {
             return this.address.hashCode();
         }
-
+        
         @Override
         public boolean equals(Object obj) {
             if (this == obj) return true;
             if (obj == null) return false;
             if (getClass() != obj.getClass()) return false;
-            final TransportAddress other = (TransportAddress) obj;
+            final TransportNode other = (TransportNode) obj;
             return this.address.equals(other.address);
         }
-
+        
+        @Override
         public String toString() {
             return JsonConvert.root().convertTo(this);
         }

src/org/redkale/net/TransportFactory.java

@@ -5,18 +5,25 @@
  */
 package org.redkale.net;
 
+import java.io.IOException;
 import java.lang.ref.WeakReference;
-import java.net.InetSocketAddress;
+import java.net.*;
 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
+ * System.getProperty("net.transport.checkinterval", "30") 检查不可用地址周期，默认30秒
+ *
  * <p>
  * 详情见: https://redkale.org
  *
@@ -24,6 +31,18 @@ import org.redkale.util.ObjectPool;
  */
 public class TransportFactory {
 
+    @Comment("默认TCP读取超时秒数")
+    public static int DEFAULT_READTIMEOUTSECONDS = 6;
+
+    @Comment("默认TCP写入超时秒数")
+    public static int DEFAULT_WRITETIMEOUTSECONDS = 6;
+
+    public static final String NAME_POOLMAXCONNS = "poolmaxconns";
+
+    public static final String NAME_PINGINTERVAL = "pinginterval";
+
+    public static final String NAME_CHECKINTERVAL = "checkinterval";
+
     protected static final Logger logger = Logger.getLogger(TransportFactory.class.getSimpleName());
 
     //传输端的线程池
@@ -43,19 +62,157 @@ public class TransportFactory {
 
     protected final List<WeakReference<Service>> services = new CopyOnWriteArrayList<>();
 
+    protected final List<WeakReference<Transport>> transportReferences = new CopyOnWriteArrayList<>();
+
+    //连接池大小
+    protected int poolmaxconns = Integer.getInteger("net.transport.poolmaxconns", Math.max(100, Runtime.getRuntime().availableProcessors() * 16)); //最少是wsthreads的两倍
+
+    //检查不可用地址周期， 单位：秒
+    protected int checkinterval = Integer.getInteger("net.transport.checkinterval", 30);
+
+    //心跳周期， 单位：秒
+    protected int pinginterval;
+
+    //TCP读取超时秒数
+    protected int readTimeoutSeconds;
+
+    //TCP写入超时秒数
+    protected int writeTimeoutSeconds;
+
+    //ping和检查的定时器
+    private ScheduledThreadPoolExecutor scheduler;
+
+    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 readTimeoutSeconds, int writeTimeoutSeconds, final TransportStrategy strategy) {
         this.executor = executor;
         this.bufferPool = bufferPool;
         this.channelGroup = channelGroup;
+        this.sslContext = sslContext;
+        this.readTimeoutSeconds = readTimeoutSeconds;
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
         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 readTimeoutSeconds, int writeTimeoutSeconds) {
+        this(executor, bufferPool, channelGroup, sslContext, readTimeoutSeconds, writeTimeoutSeconds, null);
+    }
+
+    public void init(AnyValue conf, ByteBuffer pingBuffer, int pongLength) {
+        if (conf != null) {
+            this.poolmaxconns = conf.getIntValue(NAME_POOLMAXCONNS, this.poolmaxconns);
+            this.pinginterval = conf.getIntValue(NAME_PINGINTERVAL, this.pinginterval);
+            this.checkinterval = conf.getIntValue(NAME_CHECKINTERVAL, this.checkinterval);
+            if (this.poolmaxconns < 2) this.poolmaxconns = 2;
+            if (this.pinginterval < 2) this.pinginterval = 2;
+            if (this.checkinterval < 2) this.checkinterval = 2;
+        }
+        this.scheduler = new ScheduledThreadPoolExecutor(1, (Runnable r) -> {
+            final Thread t = new Thread(r, this.getClass().getSimpleName() + "-TransportFactoryTask-Thread");
+            t.setDaemon(true);
+            return t;
+        });
+        this.scheduler.scheduleAtFixedRate(() -> {
+            try {
+                checks();
+            } catch (Throwable t) {
+                logger.log(Level.SEVERE, "TransportFactory schedule(interval=" + checkinterval + "s) check error", t);
+            }
+        }, checkinterval, checkinterval, TimeUnit.SECONDS);
+
+        if (this.pinginterval > 0) {
+            if (pingBuffer != null) {
+                this.pingBuffer = pingBuffer.asReadOnlyBuffer();
+                this.pongLength = pongLength;
+
+                scheduler.scheduleAtFixedRate(() -> {
+                    pings();
+                }, pinginterval, pinginterval, TimeUnit.SECONDS);
+            }
+        }
+    }
+
+    public static TransportFactory create(int threads) {
+        return create(threads, threads * 2, 8 * 1024, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS);
+    }
+
+    public static TransportFactory create(int threads, int bufferPoolSize, int bufferCapacity) {
+        return create(threads, bufferPoolSize, bufferCapacity, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS);
+    }
+
+    public static TransportFactory create(int threads, int bufferPoolSize, int bufferCapacity, int readTimeoutSeconds, int writeTimeoutSeconds) {
+        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, readTimeoutSeconds, writeTimeoutSeconds);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        int readTimeoutSeconds, int writeTimeoutSeconds) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSeconds, writeTimeoutSeconds, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        int readTimeoutSeconds, int writeTimeoutSeconds, final TransportStrategy strategy) {
+        return new TransportFactory(executor, bufferPool, channelGroup, null, readTimeoutSeconds, writeTimeoutSeconds, strategy);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup, SSLContext sslContext) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, DEFAULT_READTIMEOUTSECONDS, DEFAULT_WRITETIMEOUTSECONDS, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        SSLContext sslContext, int readTimeoutSeconds, int writeTimeoutSeconds) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSeconds, writeTimeoutSeconds, null);
+    }
+
+    public static TransportFactory create(ExecutorService executor, ObjectPool<ByteBuffer> bufferPool, AsynchronousChannelGroup channelGroup,
+        SSLContext sslContext, int readTimeoutSeconds, int writeTimeoutSeconds, final TransportStrategy strategy) {
+        return new TransportFactory(executor, bufferPool, channelGroup, sslContext, readTimeoutSeconds, writeTimeoutSeconds, 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 +291,34 @@ 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 +334,7 @@ public class TransportFactory {
     }
 
     public void shutdownNow() {
+        if (this.scheduler != null) this.scheduler.shutdownNow();
         try {
             this.channelGroup.shutdownNow();
         } catch (Exception e) {
@@ -176,6 +342,100 @@ public class TransportFactory {
         }
     }
 
+    private void checks() {
+        List<WeakReference> nulllist = new ArrayList<>();
+        for (WeakReference<Transport> ref : transportReferences) {
+            Transport transport = ref.get();
+            if (transport == null) {
+                nulllist.add(ref);
+                continue;
+            }
+            Transport.TransportNode[] nodes = transport.getTransportNodes();
+            for (final Transport.TransportNode node : nodes) {
+                if (node.disabletime < 1) continue; //可用
+                try {
+                    final AsynchronousSocketChannel channel = AsynchronousSocketChannel.open(transport.group);
+                    channel.connect(node.address, node, new CompletionHandler<Void, Transport.TransportNode>() {
+                        @Override
+                        public void completed(Void result, Transport.TransportNode attachment) {
+                            attachment.disabletime = 0;
+                        }
+
+                        @Override
+                        public void failed(Throwable exc, Transport.TransportNode attachment) {
+                            attachment.disabletime = System.currentTimeMillis();
+                        }
+                    });
+                } catch (Exception e) {
+                }
+            }
+        }
+        for (WeakReference ref : nulllist) {
+            transportReferences.remove(ref);
+        }
+    }
+
+    private void pings() {
+        long timex = System.currentTimeMillis() - (this.pinginterval < 15 ? this.pinginterval : (this.pinginterval - 3)) * 1000;
+        for (WeakReference<Transport> ref : transportReferences) {
+            Transport transport = ref.get();
+            if (transport == null) continue;
+            Transport.TransportNode[] nodes = transport.getTransportNodes();
+            for (final Transport.TransportNode node : nodes) {
+                final BlockingQueue<AsyncConnection> queue = node.conns;
+                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();
+                            }
+                        });
+                    }
+                }
+            }
+        }
+    }
+
     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 +18,25 @@ import java.net.SocketAddress;
  */
 public interface TransportStrategy {
 
-    public AsyncConnection pollConnection(SocketAddress addr, Transport transport);
+    /**
+     * 创建AsyncConnection
+     *
+     * @param addr      服务器地址
+     * @param transport Transport
+     *
+     * @return AsyncConnection
+     */
+    public CompletableFuture<AsyncConnection> pollConnection(SocketAddress addr, Transport transport);
+
+    /**
+     * 回收AsyncConnection，返回false表示使用Transport默认的回收实现， 返回true表示自定义回收实现
+     *
+     * @param forceClose 是否强制关闭
+     * @param conn       AsyncConnection
+     *
+     * @return boolean
+     */
+    default boolean offerConnection(final boolean forceClose, AsyncConnection conn) {
+        return false;
+    }
 }

src/org/redkale/net/UdpBioAsyncConnection.java

@@ -0,0 +1,193 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.Set;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicLong;
+
+/**
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class UdpBioAsyncConnection extends AsyncConnection {
+
+    private int readTimeoutSeconds;
+
+    private int writeTimeoutSeconds;
+
+    private final DatagramChannel channel;
+
+    private final SocketAddress remoteAddress;
+
+    private final boolean client;
+
+    public UdpBioAsyncConnection(final DatagramChannel ch, SocketAddress addr0,
+        final boolean client0, final int readTimeoutSeconds0, final int writeTimeoutSeconds0,
+        final AtomicLong livingCounter, final AtomicLong closedCounter) {
+        this.channel = ch;
+        this.client = client0;
+        this.readTimeoutSeconds = readTimeoutSeconds0;
+        this.writeTimeoutSeconds = writeTimeoutSeconds0;
+        SocketAddress addr = addr0;
+        if (addr == null) {
+            try {
+                addr = ch.getRemoteAddress();
+            } catch (Exception e) {
+                //do nothing
+            }
+        }
+        this.remoteAddress = addr;
+        this.livingCounter = livingCounter;
+        this.closedCounter = closedCounter;
+    }
+
+    @Override
+    public void setReadTimeoutSeconds(int readTimeoutSeconds) {
+        this.readTimeoutSeconds = readTimeoutSeconds;
+    }
+
+    @Override
+    public void setWriteTimeoutSeconds(int writeTimeoutSeconds) {
+        this.writeTimeoutSeconds = writeTimeoutSeconds;
+    }
+
+    @Override
+    public int getReadTimeoutSeconds() {
+        return this.readTimeoutSeconds;
+    }
+
+    @Override
+    public int getWriteTimeoutSeconds() {
+        return this.writeTimeoutSeconds;
+    }
+
+    @Override
+    public final SocketAddress getRemoteAddress() {
+        return remoteAddress;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        try {
+            return channel.getLocalAddress();
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    @Override
+    public boolean shutdownInput() {
+        return false;
+    }
+
+    @Override
+    public boolean shutdownOutput() {
+        return false;
+    }
+
+    @Override
+    public <T> boolean setOption(SocketOption<T> name, T value) {
+        try {
+            this.channel.setOption(name, value);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public Set<SocketOption<?>> supportedOptions() {
+        return this.channel.supportedOptions();
+    }
+
+    @Override
+    public <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        try {
+            int rs = 0;
+            for (int i = offset; i < offset + length; i++) {
+                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);
+        }
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    public <A> void read(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer, ? super A> handler) {
+        read(dst, attachment, handler);
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    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);
+        }
+    }
+
+    @Override
+    public final void close() throws IOException {
+        super.close();
+        if (client) channel.close();
+    }
+
+    @Override
+    public final boolean isOpen() {
+        return channel.isOpen();
+    }
+
+    @Override
+    public final boolean isTCP() {
+        return false;
+    }
+}

src/org/redkale/net/UdpBioProtocolServer.java

@@ -0,0 +1,123 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.net.*;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+import java.util.Set;
+import java.util.concurrent.CountDownLatch;
+import org.redkale.util.AnyValue;
+
+/**
+ * 协议底层Server
+ *
+ * <p>
+ * 详情见: https://redkale.org
+ *
+ * @author zhangjx
+ */
+public class UdpBioProtocolServer extends ProtocolServer {
+
+    private boolean running;
+
+    private DatagramChannel serverChannel;
+
+    public UdpBioProtocolServer(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void open(AnyValue config) throws IOException {
+        DatagramChannel ch = DatagramChannel.open();
+        ch.configureBlocking(true);
+        this.serverChannel = ch;
+        final Set<SocketOption<?>> options = this.serverChannel.supportedOptions();
+        if (options.contains(StandardSocketOptions.TCP_NODELAY)) {
+            this.serverChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_KEEPALIVE)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_REUSEADDR)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
+        }
+        if (options.contains(StandardSocketOptions.SO_RCVBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_RCVBUF, 16 * 1024);
+        }
+        if (options.contains(StandardSocketOptions.SO_SNDBUF)) {
+            this.serverChannel.setOption(StandardSocketOptions.SO_SNDBUF, 16 * 1024);
+        }
+    }
+
+    @Override
+    public void bind(SocketAddress local, int backlog) throws IOException {
+        this.serverChannel.bind(local);
+    }
+
+    @Override
+    public <T> void setOption(SocketOption<T> name, T value) throws IOException {
+        this.serverChannel.setOption(name, value);
+    }
+
+    @Override
+    public <T> Set<SocketOption<?>> supportedOptions() {
+        return this.serverChannel.supportedOptions();
+    }
+
+    @Override
+    public void accept() throws IOException {
+        final DatagramChannel serchannel = this.serverChannel;
+        final int readTimeoutSeconds = this.context.readTimeoutSeconds;
+        final int writeTimeoutSeconds = this.context.writeTimeoutSeconds;
+        final CountDownLatch cdl = new CountDownLatch(1);
+        this.running = true;
+        new Thread() {
+            @Override
+            public void run() {
+                cdl.countDown();
+                while (running) {
+                    final ByteBuffer buffer = context.pollBuffer();
+                    try {
+                        SocketAddress address = serchannel.receive(buffer);
+                        buffer.flip();
+                        AsyncConnection conn = new UdpBioAsyncConnection(serchannel, address, false, readTimeoutSeconds, writeTimeoutSeconds, null, null);
+                        context.runAsync(new PrepareRunner(context, conn, buffer, null));
+                    } catch (Exception e) {
+                        context.offerBuffer(buffer);
+                    }
+                }
+            }
+        }.start();
+        try {
+            cdl.await();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        this.running = false;
+        this.serverChannel.close();
+    }
+
+    @Override
+    public long getCreateCount() {
+        return -1;
+    }
+
+    @Override
+    public long getClosedCount() {
+        return -1;
+    }
+
+    @Override
+    public long getLivingCount() {
+        return -1;
+    }
+}

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

@@ -5,14 +5,14 @@
  */
 package org.redkale.net.http;
 
-import java.net.*;
-import java.nio.*;
-import java.nio.charset.*;
+import java.nio.ByteBuffer;
+import org.redkale.asm.MethodDebugVisitor;
+import java.nio.channels.CompletionHandler;
 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 java.util.function.*;
+import org.redkale.asm.*;
+import static org.redkale.asm.Opcodes.*;
 import org.redkale.net.*;
 import org.redkale.util.*;
 
@@ -30,12 +30,8 @@ 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(HttpContextConfig config) {
+        super(config);
         random.setSeed(Math.abs(System.nanoTime()));
     }
 
@@ -53,8 +49,23 @@ public class HttpContext extends Context {
         return responsePool;
     }
 
+    @Override
+    protected Consumer<ByteBuffer> getBufferConsumer() {
+        return super.getBufferConsumer();
+    }
+
+    @Override
+    protected void offerBuffer(ByteBuffer buffer) {
+        super.offerBuffer(buffer);
+    }
+
+    @Override
+    protected void offerBuffer(ByteBuffer... buffers) {
+        super.offerBuffer(buffers);
+    }
+
     @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 +75,19 @@ 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 cpDesc = Type.getDescriptor(ConstructorParameters.class);
         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 +96,10 @@ 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(cpDesc, true);
                 {
                     AnnotationVisitor av1 = av0.visitArray("value");
                     av1.visit(null, "handler");
@@ -107,7 +119,7 @@ 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 +129,7 @@ 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 +139,7 @@ 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);
@@ -157,11 +169,15 @@ 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);
             }
         }.loadClass(newDynName.replace('/', '.'), bytes);
         return (Creator<H>) Creator.create(newHandlerClazz);
     }
+
+    public static class HttpContextConfig extends ContextConfig {
+
+    }
 }

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) {
@@ -124,7 +126,7 @@ public class HttpPrepareServlet extends PrepareServlet<String, HttpContext, Http
         List<HttpServlet> list = removeHttpServlet(predicateEntry, predicateFilter);
         return list == null || list.isEmpty() ? null : list.get(0);
     }
-
+@SuppressWarnings("unchecked")
     public <T extends WebSocket> HttpServlet removeHttpServlet(Class<T> websocketOrServletType) {
         Predicate<MappingEntry> predicateEntry = (t) -> {
             Class type = t.servlet.getClass();
@@ -142,6 +144,7 @@ public class HttpPrepareServlet extends PrepareServlet<String, HttpContext, Http
         return list == null || list.isEmpty() ? null : list.get(0);
     }
 
+    @SuppressWarnings("unchecked")
     public boolean addForbidURIReg(final String urlreg) {
         if (urlreg == null || urlreg.isEmpty()) return false;
         synchronized (excludeLock) {
@@ -167,6 +170,7 @@ public class HttpPrepareServlet extends PrepareServlet<String, HttpContext, Http
         }
     }
 
+    @SuppressWarnings("unchecked")
     public boolean removeForbidURIReg(final String urlreg) {
         if (urlreg == null || urlreg.isEmpty()) return false;
         synchronized (excludeLock) {
@@ -196,6 +200,7 @@ public class HttpPrepareServlet extends PrepareServlet<String, HttpContext, Http
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public void init(HttpContext context, AnyValue config) {
         super.init(context, config); //必须要执行
         Collection<HttpServlet> servlets = getServlets();
@@ -203,31 +208,54 @@ 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).getDeclaredConstructor().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).getDeclaredConstructor().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

@@ -9,7 +9,8 @@ import java.io.*;
 import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.Channels;
-import java.nio.charset.Charset;
+import java.nio.charset.*;
+import java.util.*;
 import org.redkale.convert.json.JsonConvert;
 import org.redkale.net.*;
 import org.redkale.util.*;
@@ -30,8 +31,6 @@ import org.redkale.util.AnyValue.DefaultAnyValue;
  */
 public class HttpRequest extends Request<HttpContext> {
 
-    protected static final Charset UTF8 = Charset.forName("UTF-8");
-
     public static final String SESSIONID_NAME = "JSESSIONID";
 
     @Comment("Method GET/POST/...")
@@ -133,15 +132,19 @@ public class HttpRequest extends Request<HttpContext> {
             String value = array.toString(index, array.size() - index, charset).trim();
             switch (name) {
                 case "Content-Type":
+                case "content-type":
                     this.contentType = value;
                     break;
                 case "Content-Length":
+                case "content-length":
                     this.contentLength = Long.decode(value);
                     break;
                 case "Host":
+                case "host":
                     this.host = value;
                     break;
                 case "Cookie":
+                case "cookie":
                     if (this.cookie == null || this.cookie.isEmpty()) {
                         this.cookie = value;
                     } else {
@@ -149,8 +152,14 @@ public class HttpRequest extends Request<HttpContext> {
                     }
                     break;
                 case "Connection":
+                case "connection":
                     this.connection = value;
-                    this.setKeepAlive(!"close".equalsIgnoreCase(value));
+                    if (context.getAliveTimeoutSeconds() >= 0) {
+                        this.setKeepAlive(!"close".equalsIgnoreCase(value));
+                    }
+                    break;
+                case "user-agent":
+                    header.addValue("User-Agent", value);
                     break;
                 default:
                     header.addValue(name, value);
@@ -331,7 +340,7 @@ public class HttpRequest extends Request<HttpContext> {
      * @return 内容
      */
     public String getBodyUTF8() {
-        return array.toString(UTF8);
+        return array.toString(StandardCharsets.UTF_8);
     }
 
     /**
@@ -343,7 +352,7 @@ public class HttpRequest extends Request<HttpContext> {
      * @return 内容
      */
     public <T> T getBodyJson(java.lang.reflect.Type type) {
-        String str = array.toString(UTF8);
+        String str = array.toString(StandardCharsets.UTF_8);
         if (str == null || str.isEmpty()) return null;
         return context.getJsonConvert().convertFrom(type, str);
     }
@@ -358,7 +367,7 @@ public class HttpRequest extends Request<HttpContext> {
      * @return 内容
      */
     public <T> T getBodyJson(JsonConvert convert, java.lang.reflect.Type type) {
-        String str = array.toString(UTF8);
+        String str = array.toString(StandardCharsets.UTF_8);
         if (str == null || str.isEmpty()) return null;
         return convert.convertFrom(type, str);
     }
@@ -518,8 +527,8 @@ 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;
     }
@@ -625,7 +634,11 @@ public class HttpRequest extends Request<HttpContext> {
     public short getRequstURILastPath(short defvalue) {
         String val = getRequstURILastPath();
         if (val.isEmpty()) return defvalue;
-        return val.isEmpty() ? defvalue : Short.parseShort(val);
+        try {
+            return Short.parseShort(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -641,7 +654,11 @@ public class HttpRequest extends Request<HttpContext> {
     public short getRequstURILastPath(int radix, short defvalue) {
         String val = getRequstURILastPath();
         if (val.isEmpty()) return defvalue;
-        return val.isEmpty() ? defvalue : Short.parseShort(val, radix);
+        try {
+            return Short.parseShort(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -655,7 +672,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURILastPath(int defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Integer.parseInt(val);
+        try {
+            return val.isEmpty() ? defvalue : Integer.parseInt(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -670,7 +691,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURILastPath(int radix, int defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Integer.parseInt(val, radix);
+        try {
+            return val.isEmpty() ? defvalue : Integer.parseInt(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -684,7 +709,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public float getRequstURILastPath(float defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Float.parseFloat(val);
+        try {
+            return val.isEmpty() ? defvalue : Float.parseFloat(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -698,7 +727,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURILastPath(long defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Long.parseLong(val);
+        try {
+            return val.isEmpty() ? defvalue : Long.parseLong(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -713,7 +746,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURILastPath(int radix, long defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Long.parseLong(val, radix);
+        try {
+            return val.isEmpty() ? defvalue : Long.parseLong(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -727,7 +764,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public double getRequstURILastPath(double defvalue) {
         String val = getRequstURILastPath();
-        return val.isEmpty() ? defvalue : Double.parseDouble(val);
+        try {
+            return val.isEmpty() ? defvalue : Double.parseDouble(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -774,7 +815,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public short getRequstURIPath(String prefix, short defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Short.parseShort(val);
+        try {
+            return val == null ? defvalue : Short.parseShort(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -790,7 +835,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public short getRequstURIPath(int radix, String prefix, short defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Short.parseShort(val, radix);
+        try {
+            return val == null ? defvalue : Short.parseShort(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -806,7 +855,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURIPath(String prefix, int defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Integer.parseInt(val);
+        try {
+            return val == null ? defvalue : Integer.parseInt(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -823,7 +876,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public int getRequstURIPath(int radix, String prefix, int defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Integer.parseInt(val, radix);
+        try {
+            return val == null ? defvalue : Integer.parseInt(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -838,7 +895,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public float getRequstURIPath(String prefix, float defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Float.parseFloat(val);
+        try {
+            return val == null ? defvalue : Float.parseFloat(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -853,7 +914,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURIPath(String prefix, long defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Long.parseLong(val);
+        try {
+            return val == null ? defvalue : Long.parseLong(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -869,7 +934,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public long getRequstURIPath(int radix, String prefix, long defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Long.parseLong(val, radix);
+        try {
+            return val == null ? defvalue : Long.parseLong(val, radix);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     /**
@@ -884,7 +953,11 @@ public class HttpRequest extends Request<HttpContext> {
      */
     public double getRequstURIPath(String prefix, double defvalue) {
         String val = getRequstURIPath(prefix, null);
-        return val == null ? defvalue : Double.parseDouble(val);
+        try {
+            return val == null ? defvalue : Double.parseDouble(val);
+        } catch (NumberFormatException e) {
+            return defvalue;
+        }
     }
 
     //------------------------------------------------------------------------------
@@ -897,6 +970,20 @@ 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 +1192,52 @@ 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
      *
@@ -1361,10 +1494,13 @@ public class HttpRequest extends Request<HttpContext> {
         org.redkale.source.Flipper flipper = getJsonParameter(org.redkale.source.Flipper.class, name);
         if (flipper == null) {
             if (maxLimit < 1) maxLimit = org.redkale.source.Flipper.DEFAULT_LIMIT;
-            int limit = getRequstURIPath("limit:", maxLimit);
+            int limit = getRequstURIPath("limit:", 0);
             int offset = getRequstURIPath("offset:", 0);
             String sort = getRequstURIPath("sort:", "");
-            if (limit > 0) flipper = new org.redkale.source.Flipper(limit, offset, sort);
+            if (limit > 0) {
+                if (limit > maxLimit) limit = maxLimit;
+                flipper = new org.redkale.source.Flipper(limit, offset, sort);
+            }
         } else if (flipper.getLimit() < 1 || (maxLimit > 0 && flipper.getLimit() > maxLimit)) {
             flipper.setLimit(maxLimit);
         }