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wentch
2015-12-29 10:00:59 +08:00
parent ca228c6918
commit 1b390df633
1 changed files with 6 additions and 37 deletions
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43
src/org/redkale/util/Creator.java
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@@ -5,12 +5,10 @@
package org.redkale.util; package org.redkale.util;
import java.beans.*; import java.beans.*;
import java.io.*;
import java.lang.annotation.*; import java.lang.annotation.*;
import static java.lang.annotation.ElementType.*; import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.RUNTIME; import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.reflect.*; import java.lang.reflect.*;
import java.net.*;
import java.util.*; import java.util.*;
import jdk.internal.org.objectweb.asm.*; import jdk.internal.org.objectweb.asm.*;
import jdk.internal.org.objectweb.asm.Type; import jdk.internal.org.objectweb.asm.Type;
@@ -248,42 +246,13 @@ public interface Creator<T> {
} }
cw.visitEnd(); cw.visitEnd();
final byte[] bytes = cw.toByteArray(); final byte[] bytes = cw.toByteArray();
Class<?> resultClazz = null;
if (loader instanceof URLClassLoader) {
try {
final URLClassLoader urlLoader = (URLClassLoader) loader;
final URL url = new URL("memclass", "localhost", -1, "/" + newDynName.replace('/', '.') + "/", new URLStreamHandler() {
@Override
protected URLConnection openConnection(URL u) throws IOException {
return new URLConnection(u) {
@Override
public void connect() throws IOException {
}
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(bytes);
}
};
}
});
Method addURLMethod = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
addURLMethod.setAccessible(true);
addURLMethod.invoke(urlLoader, url);
resultClazz = urlLoader.loadClass(newDynName.replace('/', '.'));
} catch (Throwable t) { //异常无需理会， 使用下一种loader方式
t.printStackTrace();
}
}
try { try {
if (resultClazz == null) { if (!Modifier.isPublic(constructor.getModifiers())) throw new RuntimeException("[" + clazz + "] have no public or java.beans.ConstructorProperties-Annotation constructor.");
if (!Modifier.isPublic(constructor.getModifiers())) throw new RuntimeException("[" + clazz + "] have no public or java.beans.ConstructorProperties-Annotation constructor."); Class<?> resultClazz = new ClassLoader(loader) {
resultClazz = new ClassLoader(loader) { public final Class<?> loadClass(String name, byte[] b) {
public final Class<?> loadClass(String name, byte[] b) { return defineClass(name, b, 0, b.length);
return defineClass(name, b, 0, b.length); }
} }.loadClass(newDynName.replace('/', '.'), bytes);
}.loadClass(newDynName.replace('/', '.'), bytes);
}
return (Creator) resultClazz.newInstance(); return (Creator) resultClazz.newInstance();
} catch (Exception ex) { } catch (Exception ex) {
throw new RuntimeException(ex); throw new RuntimeException(ex);