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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.classfile.attribute.annotation.visitor;
import proguard.classfile.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.annotation.*;
import proguard.classfile.attribute.visitor.AttributeVisitor;
import proguard.classfile.util.SimplifiedVisitor;
/**
* This AttributeVisitor and AnnotationVisitor lets a given ElementValueVisitor
* visit all ElementValue objects of the attributes or annotations that it
* visits.
*
* @author Eric Lafortune
*/
public class AllElementValueVisitor
extends SimplifiedVisitor
implements AttributeVisitor,
AnnotationVisitor,
ElementValueVisitor
{
private final boolean deep;
private final ElementValueVisitor elementValueVisitor;
/**
* Creates a new AllElementValueVisitor.
* @param elementValueVisitor the AllElementValueVisitor to which visits
* will be delegated.
*/
public AllElementValueVisitor(ElementValueVisitor elementValueVisitor)
{
this(false, elementValueVisitor);
}
/**
* Creates a new AllElementValueVisitor.
* @param deep specifies whether the element values
* further down the hierarchy should be
* visited too.
* @param elementValueVisitor the AllElementValueVisitor to which visits
* will be delegated.
*/
public AllElementValueVisitor(boolean deep,
ElementValueVisitor elementValueVisitor)
{
this.deep = deep;
this.elementValueVisitor = elementValueVisitor;
}
// Implementations for AttributeVisitor.
public void visitAnyAttribute(Clazz clazz, Attribute attribute) {}
public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute)
{
// Visit the annotations.
runtimeVisibleAnnotationsAttribute.annotationsAccept(clazz, this);
}
public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, Field field, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute)
{
// Visit the annotations.
runtimeVisibleAnnotationsAttribute.annotationsAccept(clazz, field, this);
}
public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, Method method, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute)
{
// Visit the annotations.
runtimeVisibleAnnotationsAttribute.annotationsAccept(clazz, method, this);
}
public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute)
{
// Visit the annotations.
runtimeInvisibleAnnotationsAttribute.annotationsAccept(clazz, this);
}
public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, Field field, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute)
{
// Visit the annotations.
runtimeInvisibleAnnotationsAttribute.annotationsAccept(clazz, field, this);
}
public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, Method method, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute)
{
// Visit the annotations.
runtimeInvisibleAnnotationsAttribute.annotationsAccept(clazz, method, this);
}
public void visitAnyParameterAnnotationsAttribute(Clazz clazz, Method method, ParameterAnnotationsAttribute parameterAnnotationsAttribute)
{
// Visit the annotations.
parameterAnnotationsAttribute.annotationsAccept(clazz, method, this);
}
public void visitAnnotationDefaultAttribute(Clazz clazz, Method method, AnnotationDefaultAttribute annotationDefaultAttribute)
{
// Visit the default element value.
annotationDefaultAttribute.defaultValueAccept(clazz, this);
}
// Implementations for AnnotationVisitor.
public void visitAnnotation(Clazz clazz, Annotation annotation)
{
annotation.elementValuesAccept(clazz, this);
}
public void visitAnnotation(Clazz clazz, Field field, Annotation annotation)
{
annotation.elementValuesAccept(clazz, this);
}
public void visitAnnotation(Clazz clazz, Method method, Annotation annotation)
{
annotation.elementValuesAccept(clazz, this);
}
public void visitAnnotation(Clazz clazz, Method method, int parameterIndex, Annotation annotation)
{
annotation.elementValuesAccept(clazz, this);
}
public void visitAnnotation(Clazz clazz, Method method, CodeAttribute codeAttribute, Annotation annotation)
{
annotation.elementValuesAccept(clazz, this);
}
// Implementations for ElementValueVisitor.
public void visitConstantElementValue(Clazz clazz, Annotation annotation, ConstantElementValue constantElementValue)
{
elementValueVisitor.visitConstantElementValue(clazz, annotation, constantElementValue);
}
public void visitEnumConstantElementValue(Clazz clazz, Annotation annotation, EnumConstantElementValue enumConstantElementValue)
{
elementValueVisitor.visitEnumConstantElementValue(clazz, annotation, enumConstantElementValue);
}
public void visitClassElementValue(Clazz clazz, Annotation annotation, ClassElementValue classElementValue)
{
elementValueVisitor.visitClassElementValue(clazz, annotation, classElementValue);
}
public void visitAnnotationElementValue(Clazz clazz, Annotation annotation, AnnotationElementValue annotationElementValue)
{
elementValueVisitor.visitAnnotationElementValue(clazz, annotation, annotationElementValue);
if (deep)
{
annotationElementValue.annotationAccept(clazz, this);
}
}
public void visitArrayElementValue(Clazz clazz, Annotation annotation, ArrayElementValue arrayElementValue)
{
elementValueVisitor.visitArrayElementValue(clazz, annotation, arrayElementValue);
if (deep)
{
arrayElementValue.elementValuesAccept(clazz, annotation, elementValueVisitor);
}
}
}
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