er.profiling.classloader

Class ClassTransformer

java.lang.Object

er.profiling.classloader.ClassTransformer

All Implemented Interfaces:

ClassFileTransformer

public class ClassTransformer
extends Object
implements ClassFileTransformer

ClassTransformer implements ClassFileTransformer and operates in a factory like capacity to ensure that each classloader has its own transformer with an appropriate classpool to ensure while transforming that classes are resolved using the correct classpath.

Author:

q Some portions of this code are copied from GluonJ's HotSwapper class

Constructor Summary

Constructors

Constructor and Description
ClassTransformer(String glueName)

Method Summary

Modifier and Type	Method and Description
byte[]	transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer)

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassTransformer

public ClassTransformer(String glueName)

Method Detail

transform

public byte[] transform(ClassLoader loader,
                        String className,
                        Class<?> classBeingRedefined,
                        ProtectionDomain protectionDomain,
                        byte[] classfileBuffer)
                 throws IllegalClassFormatException

Specified by:

transform in interface ClassFileTransformer

Throws:

IllegalClassFormatException