com.google.gwt.dev.shell.rewrite

Class HasAnnotation

java.lang.Object

com.google.gwt.dev.asm.ClassVisitor

com.google.gwt.dev.shell.rewrite.HasAnnotation

public class HasAnnotation
extends ClassVisitor

A simple ClassAdapter that determines if a specific annotation is declared on a type (ignoring any annotatons that may be present on supertypes or superinterfaces).

Field Summary

Fields inherited from class com.google.gwt.dev.asm.ClassVisitor

api, cv

Constructor Summary

Constructors

Constructor and Description
HasAnnotation(ClassVisitor v, Class<? extends Annotation> annotation)

Method Summary

Modifier and Type	Method and Description
static boolean	hasAnnotation(byte[] classBytes, Class<? extends Annotation> annotation) A utility method to determine if the class defined in classBytes has a particular annotation.
boolean	isFound()
AnnotationVisitor	visitAnnotation(String desc, boolean visible) Visits an annotation of the class.

Methods inherited from class com.google.gwt.dev.asm.ClassVisitor

visit, visitAttribute, visitEnd, visitField, visitInnerClass, visitMethod, visitOuterClass, visitSource

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

HasAnnotation

public HasAnnotation(ClassVisitor v,
                     Class<? extends Annotation> annotation)

Method Detail

hasAnnotation

public static boolean hasAnnotation(byte[] classBytes,
                                    Class<? extends Annotation> annotation)

A utility method to determine if the class defined in classBytes has a particular annotation.

Parameters:

classBytes - the class's bytecode

annotation - the type of annotation to look for

Returns:

true if the class defined in classBytes possesses the desired annotation

isFound

public boolean isFound()

visitAnnotation

public AnnotationVisitor visitAnnotation(String desc,
                                         boolean visible)

Description copied from class: ClassVisitor

Visits an annotation of the class.

Overrides:

visitAnnotation in class ClassVisitor

Parameters:

desc - the class descriptor of the annotation class.

visible - true if the annotation is visible at runtime.

Returns:

a visitor to visit the annotation values, or null if this visitor is not interested in visiting this annotation.