org.broadleafcommerce.common.extensibility.jpa.copy
Class DirectCopyClassTransformer

java.lang.Object
  org.broadleafcommerce.common.extensibility.jpa.copy.DirectCopyClassTransformer

All Implemented Interfaces:

javax.persistence.spi.ClassTransformer, BroadleafClassTransformer

public class DirectCopyClassTransformer
extends Object
implements BroadleafClassTransformer

This class transformer will copy fields, methods, and interface definitions from a source class to a target class, based on the xformTemplates map. It will fail if it encouters any duplicate definitions.

Author:

Andre Azzolini (apazzolini)

Field Summary

protected SupportLogger	logger
protected String	moduleName
protected static List<String>	transformedMethods
protected Map<String,String>	xformTemplates

Constructor Summary

DirectCopyClassTransformer(String moduleName)

Method Summary

void	compileJPAProperties(Properties props, Object key)
protected String	getImplementationType(String className) This method will do its best to return an implementation type for a given classname.
Map<String,String>	getXformTemplates()
protected String	methodDescription(javassist.CtMethod method)
void	setXformTemplates(Map<String,String> xformTemplates)
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

Field Detail

logger

protected SupportLogger logger

moduleName

protected String moduleName

xformTemplates

protected Map<String,String> xformTemplates

transformedMethods

protected static List<String> transformedMethods

Constructor Detail

DirectCopyClassTransformer

public DirectCopyClassTransformer(String moduleName)

Method Detail

compileJPAProperties

public void compileJPAProperties(Properties props,
                                 Object key)
                          throws Exception

Specified by:

compileJPAProperties in interface BroadleafClassTransformer

Throws:

Exception

transform

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

Specified by:

transform in interface javax.persistence.spi.ClassTransformer

Throws:

IllegalClassFormatException

getImplementationType

protected String getImplementationType(String className)

This method will do its best to return an implementation type for a given classname. This will allow weaving template classes to have initialized values. We provide default implementations for List, Map, and Set, and will attempt to utilize a default constructor for other classes. If the className contains an '[', we will return null.

methodDescription

protected String methodDescription(javassist.CtMethod method)

getXformTemplates

public Map<String,String> getXformTemplates()

setXformTemplates

public void setXformTemplates(Map<String,String> xformTemplates)