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

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

public class CustomAttributeHelper
extends Object

Helper class to wrap a custom annotation proxy (1.3/1.4 javadoc annotation) in a RuntimeInvisibleAnnotations.
The proxy is wrapped in a AnnotationInfo object which is serialized and base64 encoded (ASM issue on array types in RIV).

Author:

Alexandre Vasseur

Constructor Summary

CustomAttributeHelper()

Method Summary

static org.objectweb.asm.attrs.Annotation	createCustomAnnotation(byte[] bytes) Create an Annotation bytecode representation from the serialized version of the custom annotation proxy
static AnnotationInfo	extractCustomAnnotation(org.objectweb.asm.attrs.Annotation annotation) Extract the AnnotationInfo from the bytecode Annotation representation.
static org.objectweb.asm.attrs.RuntimeInvisibleAnnotations	linkRuntimeInvisibleAnnotations(org.objectweb.asm.Attribute attribute) Helper method to find the first RuntimeInvisibleAnnotations attribute in an Attribute chain.

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomAttributeHelper

public CustomAttributeHelper()

Method Detail

extractCustomAnnotation

public static AnnotationInfo extractCustomAnnotation(org.objectweb.asm.attrs.Annotation annotation)

Extract the AnnotationInfo from the bytecode Annotation representation.

Parameters:

annotation - must be a valid RIV, of type CustomAttribute.TYPE

Returns:

createCustomAnnotation

public static org.objectweb.asm.attrs.Annotation createCustomAnnotation(byte[] bytes)

Create an Annotation bytecode representation from the serialized version of the custom annotation proxy

Parameters:

bytes -

Returns:

linkRuntimeInvisibleAnnotations

public static org.objectweb.asm.attrs.RuntimeInvisibleAnnotations linkRuntimeInvisibleAnnotations(org.objectweb.asm.Attribute attribute)

Helper method to find the first RuntimeInvisibleAnnotations attribute in an Attribute chain.
If no such RIV exists, a new one is created (empty) and added last in the chain.
If the chain is null, a new sole RIV (empty) is created

Parameters:

attribute -

Returns:

the RuntimeInvisibleAnnotations to add Annotation to