/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2011 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.obfuscate;
import proguard.classfile.*;
import proguard.classfile.attribute.*;
import proguard.classfile.attribute.visitor.AttributeVisitor;
import proguard.classfile.editor.ConstantPoolEditor;
import proguard.classfile.util.SimplifiedVisitor;
import proguard.classfile.visitor.ClassVisitor;
/**
* This ClassVisitor changes the name stored in the source file attributes
* and source dir attributes of the classes that it visits, if the
* attributes are present.
*
* @author Eric Lafortune
*/
public class SourceFileRenamer
extends SimplifiedVisitor
implements ClassVisitor,
AttributeVisitor
{
private final String newSourceFileAttribute;
/**
* Creates a new SourceFileRenamer.
* @param newSourceFileAttribute the new string to be put in the source file
* attributes.
*/
public SourceFileRenamer(String newSourceFileAttribute)
{
this.newSourceFileAttribute = newSourceFileAttribute;
}
// Implementations for ClassVisitor.
public void visitProgramClass(ProgramClass programClass)
{
// Only visit the class attributes.
programClass.attributesAccept(this);
}
// Implementations for AttributeVisitor.
public void visitAnyAttribute(Clazz clazz, Attribute attribute) {}
public void visitSourceFileAttribute(Clazz clazz, SourceFileAttribute sourceFileAttribute)
{
// Fix the source file attribute.
sourceFileAttribute.u2sourceFileIndex =
new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newSourceFileAttribute);
}
public void visitSourceDirAttribute(Clazz clazz, SourceDirAttribute sourceDirAttribute)
{
// Fix the source file attribute.
sourceDirAttribute.u2sourceDirIndex =
new ConstantPoolEditor((ProgramClass)clazz).addUtf8Constant(newSourceFileAttribute);
}
}