org.apache.tapestry5.internal.services
Class ComponentClassTransformerImpl

java.lang.Object
  org.apache.tapestry5.internal.services.ComponentClassTransformerImpl

All Implemented Interfaces:

ComponentClassTransformer, InvalidationListener

public class ComponentClassTransformerImpl
extends Object
implements ComponentClassTransformer, InvalidationListener

Implementation of ComponentClassTransformer.

Constructor Summary

ComponentClassTransformerImpl(ComponentClassTransformWorker workerChain, LoggerSource loggerSource, ClassFactory classFactory, CtClassSource classSource, ComponentClassCache componentClassCache)

Method Summary

Instantiator	createInstantiator(String componentClassName) Creates a new instantiator instance.
void	objectWasInvalidated() Clears the cache of InternalClassTransformation instances whenever the class loader is invalidated.
void	transformComponentClass(javassist.CtClass ctClass, ClassLoader classLoader) Performs a transformation on the class, accessing the class from the class pool.

Methods inherited from class java.lang.Object

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

Constructor Detail

ComponentClassTransformerImpl

public ComponentClassTransformerImpl(ComponentClassTransformWorker workerChain,
                                     LoggerSource loggerSource,
                                     @ComponentLayer
                                     ClassFactory classFactory,
                                     @ComponentLayer
                                     CtClassSource classSource,
                                     ComponentClassCache componentClassCache)

Parameters:

workerChain - the ordered list of class transform works as a chain of command instance

classSource -

componentClassCache -

Method Detail

objectWasInvalidated

public void objectWasInvalidated()

Clears the cache of InternalClassTransformation instances whenever the class loader is invalidated.

Specified by:

objectWasInvalidated in interface InvalidationListener

transformComponentClass

public void transformComponentClass(javassist.CtClass ctClass,
                                    ClassLoader classLoader)

Description copied from interface: ComponentClassTransformer

Performs a transformation on the class, accessing the class from the class pool.

Specified by:

transformComponentClass in interface ComponentClassTransformer

Parameters:

ctClass - compile time class to be transformed

classLoader - class loader used to resolve references to other classes (both transformed and not)

createInstantiator

public Instantiator createInstantiator(String componentClassName)

Description copied from interface: ComponentClassTransformer

Creates a new instantiator instance.

Specified by:

createInstantiator in interface ComponentClassTransformer

Parameters:

componentClassName - fully qualified name of component class to instantiate