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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.editor;
import proguard.classfile.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.visitor.AttributeVisitor;
import proguard.classfile.util.SimplifiedVisitor;
import proguard.classfile.visitor.*;
/**
* This ClassVisitor deletes attributes with a given name in the program
* classes, fields, methods, or code attributes that it visits.
*
* @author Eric Lafortune
*/
public class NamedAttributeDeleter
extends SimplifiedVisitor
implements ClassVisitor,
MemberVisitor,
AttributeVisitor
{
private final String attributeName;
public NamedAttributeDeleter(String attributeName)
{
this.attributeName = attributeName;
}
// Implementations for ClassVisitor.
public void visitLibraryClass(LibraryClass libraryClass) {}
public void visitProgramClass(ProgramClass programClass)
{
new AttributesEditor(programClass, false).deleteAttribute(attributeName);
}
// Implementations for MemberVisitor.
public void visitLibraryMember(LibraryClass libraryClass, LibraryMember libraryMember) {}
public void visitProgramMember(ProgramClass programClass, ProgramMember programMember)
{
new AttributesEditor(programClass, programMember, false).deleteAttribute(attributeName);
}
// Implementations for AttributeVisitor.
public void visitAnyAttribute(Clazz clazz, Attribute attribute) {}
public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute)
{
new AttributesEditor((ProgramClass)clazz, (ProgramMember)method, codeAttribute, false).deleteAttribute(attributeName);
}
}
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