org.springframework.instrument.classloading.glassfish
Class GlassFishLoadTimeWeaver

java.lang.Object
  org.springframework.instrument.classloading.glassfish.GlassFishLoadTimeWeaver

All Implemented Interfaces:

LoadTimeWeaver

public class GlassFishLoadTimeWeaver
extends Object
implements LoadTimeWeaver

LoadTimeWeaver implementation for GlassFish's instrumentable ClassLoader.

Since:

2.0.1

Author:

Costin Leau, Juergen Hoeller

See Also:

InstrumentableClassLoader

Constructor Summary

GlassFishLoadTimeWeaver()

GlassFishLoadTimeWeaver(ClassLoader classLoader)

Method Summary

void	addTransformer(ClassFileTransformer transformer) Add a class file transformer to be applied by this load-time weaver.
protected com.sun.enterprise.loader.InstrumentableClassLoader	determineClassLoader(ClassLoader classLoader) Determine the GlassFish InstrumentableClassLoader for the given ClassLoader.
ClassLoader	getInstrumentableClassLoader() Return a class loader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers.
ClassLoader	getThrowawayClassLoader() Return a throwaway class loader, enabling classes to be loaded and inspected without affecting the parent class loader.

Methods inherited from class java.lang.Object

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

Constructor Detail

GlassFishLoadTimeWeaver

public GlassFishLoadTimeWeaver()

GlassFishLoadTimeWeaver

public GlassFishLoadTimeWeaver(ClassLoader classLoader)

Method Detail

determineClassLoader

protected com.sun.enterprise.loader.InstrumentableClassLoader determineClassLoader(ClassLoader classLoader)

Determine the GlassFish InstrumentableClassLoader for the given ClassLoader.

Parameters:

classLoader - the ClassLoader to check

Returns:

the InstrumentableClassLoader, or null if none found

addTransformer

public void addTransformer(ClassFileTransformer transformer)

Description copied from interface: LoadTimeWeaver

Add a class file transformer to be applied by this load-time weaver.

Specified by:

addTransformer in interface LoadTimeWeaver

Parameters:

transformer - the class file transformer to add

getInstrumentableClassLoader

public ClassLoader getInstrumentableClassLoader()

Description copied from interface: LoadTimeWeaver

Return a class loader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers.

May be the current class loader, or a class loader created by this LoadTimeWeaver instance.

Specified by:

getInstrumentableClassLoader in interface LoadTimeWeaver

Returns:

a class loader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers

getThrowawayClassLoader

public ClassLoader getThrowawayClassLoader()

Description copied from interface: LoadTimeWeaver

Return a throwaway class loader, enabling classes to be loaded and inspected without affecting the parent class loader.

Should not return the same instance of the ClassLoader returned from an invocation of LoadTimeWeaver.getInstrumentableClassLoader().

Specified by:

getThrowawayClassLoader in interface LoadTimeWeaver

Returns:

a temporary throwaway class loader; should return a new instance for each call, with no existing state