org.hotswap.agent.plugin.proxy.java

Class JavassistProxyTransformer

java.lang.Object

org.hotswap.agent.plugin.proxy.java.JavassistProxyTransformer

All Implemented Interfaces:

ProxyTransformer

public class JavassistProxyTransformer
extends Object
implements ProxyTransformer

Redefines Java proxy classes. One-step process. Uses CtClasses from the ClassPool.

Author:

Erki Ehtla

Constructor Summary

Constructors

Constructor and Description
JavassistProxyTransformer(Class<?> classBeingRedefined, CtClass cc, ClassPool cp) Instantiates a new javassist proxy transformer.

Method Summary

Modifier and Type	Method and Description
static byte[]	transform(Class<?> classBeingRedefined, CtClass cc, ClassPool cp)
byte[]	transformRedefine()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JavassistProxyTransformer

public JavassistProxyTransformer(Class<?> classBeingRedefined,
                                 CtClass cc,
                                 ClassPool cp)

Instantiates a new javassist proxy transformer.

Parameters:

classBeingRedefined - the class being redefined

cc - CtClass from classfileBuffer

cp - Classpool of the classloader

Method Detail

transform

public static byte[] transform(Class<?> classBeingRedefined,
                               CtClass cc,
                               ClassPool cp)
                        throws Exception

Parameters:

classBeingRedefined -

classfileBuffer - new definition of Class

cc - CtClass from classfileBuffer

cp - Classpool of the classloader

Returns:

classfileBuffer or new Proxy defition if there are signature changes

Throws:

Exception

transformRedefine

public byte[] transformRedefine()
                         throws Exception

Specified by:

transformRedefine in interface ProxyTransformer

Throws:

Exception