org.springframework.instrument.classloading.weblogic

Class WebLogicClassPreProcessorAdapter

java.lang.Object

org.springframework.instrument.classloading.weblogic.WebLogicClassPreProcessorAdapter

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

class WebLogicClassPreProcessorAdapter
extends java.lang.Object
implements java.lang.reflect.InvocationHandler

Adapter that implements WebLogic ClassPreProcessor interface, delegating to a standard JDK ClassFileTransformer underneath.

To avoid compile time checks again the vendor API, a dynamic proxy is being used.

Since:

2.5

Author:

Costin Leau, Juergen Hoeller

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.ClassLoader	loader
private java.lang.instrument.ClassFileTransformer	transformer

Constructor Summary

Constructors

Constructor and Description
WebLogicClassPreProcessorAdapter(java.lang.instrument.ClassFileTransformer transformer, java.lang.ClassLoader loader) Creates a new WebLogicClassPreProcessorAdapter.

Method Summary

Modifier and Type	Method and Description
void	initialize(java.util.Hashtable<?,?> params)
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args)
byte[]	preProcess(java.lang.String className, byte[] classBytes)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

transformer

private final java.lang.instrument.ClassFileTransformer transformer

loader

private final java.lang.ClassLoader loader

Constructor Detail

WebLogicClassPreProcessorAdapter

public WebLogicClassPreProcessorAdapter(java.lang.instrument.ClassFileTransformer transformer,
                                        java.lang.ClassLoader loader)

Creates a new WebLogicClassPreProcessorAdapter.

Parameters:

transformer - the ClassFileTransformer to be adapted (must not be null)

Method Detail

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Throws:

java.lang.Throwable

initialize

public void initialize(java.util.Hashtable<?,?> params)

preProcess

public byte[] preProcess(java.lang.String className,
                         byte[] classBytes)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object