org.codehaus.aspectwerkz.annotation.instrumentation.asm
Class AsmAttributeEnhancer

java.lang.Object
  org.codehaus.aspectwerkz.annotation.instrumentation.asm.AsmAttributeEnhancer

All Implemented Interfaces:

AttributeEnhancer

public class AsmAttributeEnhancer
extends Object
implements AttributeEnhancer

Enhances classes with custom attributes using the ASM library.

Author:

Jonas BonŽr , Alexandre Vasseur

Field Summary

Fields inherited from interface org.codehaus.aspectwerkz.annotation.instrumentation.AttributeEnhancer

CUSTOM_ATTRIBUTE

Constructor Summary

AsmAttributeEnhancer()

Method Summary

String[]	getNearestInterfacesInHierarchy(String innerClassName) Return the first interfaces implemented by a level in the class hierarchy (bottom top)
boolean	initialize(String className, URL[] classPath) Initializes the attribute enhancer.
void	insertClassAttribute(Object attribute) Inserts an attribute on class level.
void	insertConstructorAttribute(com.thoughtworks.qdox.model.JavaMethod constructor, Object attribute) Inserts an attribute on constructor level.
void	insertFieldAttribute(com.thoughtworks.qdox.model.JavaField field, Object attribute) Inserts an attribute on field level.
void	insertMethodAttribute(com.thoughtworks.qdox.model.JavaMethod method, Object attribute) Inserts an attribute on method level.
static byte[]	serialize(Object attribute) Serializes the attribute to byte array.
void	write(String destDir) Writes the enhanced class to file.

Methods inherited from class java.lang.Object

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

Constructor Detail

AsmAttributeEnhancer

public AsmAttributeEnhancer()

Method Detail

initialize

public boolean initialize(String className,
                          URL[] classPath)

Initializes the attribute enhancer. Must always be called before use.

Specified by:

initialize in interface AttributeEnhancer

Parameters:

className - the class name

classPath - the class path

Returns:

true if the class was succefully loaded, false otherwise

insertClassAttribute

public void insertClassAttribute(Object attribute)

Inserts an attribute on class level.

Specified by:

insertClassAttribute in interface AttributeEnhancer

Parameters:

attribute - the attribute

insertFieldAttribute

public void insertFieldAttribute(com.thoughtworks.qdox.model.JavaField field,
                                 Object attribute)

Inserts an attribute on field level.

Specified by:

insertFieldAttribute in interface AttributeEnhancer

Parameters:

field - the QDox java field

attribute - the attribute

insertMethodAttribute

public void insertMethodAttribute(com.thoughtworks.qdox.model.JavaMethod method,
                                  Object attribute)

Inserts an attribute on method level.

Specified by:

insertMethodAttribute in interface AttributeEnhancer

Parameters:

method - the QDox java method

attribute - the attribute

insertConstructorAttribute

public void insertConstructorAttribute(com.thoughtworks.qdox.model.JavaMethod constructor,
                                       Object attribute)

Inserts an attribute on constructor level.

Specified by:

insertConstructorAttribute in interface AttributeEnhancer

Parameters:

constructor - the QDox java method

attribute - the attribute

write

public void write(String destDir)

Writes the enhanced class to file.

Specified by:

write in interface AttributeEnhancer

Parameters:

destDir - the destination directory

serialize

public static byte[] serialize(Object attribute)

Serializes the attribute to byte array.

Parameters:

attribute - the attribute

Returns:

the attribute as a byte array

getNearestInterfacesInHierarchy

public String[] getNearestInterfacesInHierarchy(String innerClassName)

Return the first interfaces implemented by a level in the class hierarchy (bottom top)

Specified by:

getNearestInterfacesInHierarchy in interface AttributeEnhancer

Returns:

nearest superclass (including itself) implemented interfaces