/* $Id: NameMarker.java,v 1.17.2.1 2006/01/16 22:57:56 eric Exp $ * * ProGuard -- shrinking, optimization, and obfuscation of Java class files. * * Copyright (c) 2002-2006 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.visitor.*;/** * This <code>ClassFileVisitor</code> and <code>MemberInfoVisitor</code> * marks names of the class files and class members it visits. The marked names * will remain unchanged in the obfuscation step. * * @see ClassFileObfuscator * @see MemberInfoObfuscator * * @author Eric Lafortune */public class NameMarker  implements ClassFileVisitor,             MemberInfoVisitor{    // Implementations for ClassFileVisitor.    public void visitProgramClassFile(ProgramClassFile programClassFile)    {        keepClassName(programClassFile);    }    public void visitLibraryClassFile(LibraryClassFile libraryClassFile)    {        keepClassName(libraryClassFile);    }    // Implementations for MemberInfoVisitor.    public void visitProgramFieldInfo(ProgramClassFile programClassFile, ProgramFieldInfo programFieldInfo)    {        keepFieldName(programClassFile, programFieldInfo);        // Mark the class names referenced in the descriptor string.        programFieldInfo.referencedClassesAccept(this);    }    public void visitProgramMethodInfo(ProgramClassFile programClassFile, ProgramMethodInfo programMethodInfo)    {        keepMethodName(programClassFile, programMethodInfo);        // Mark the class names referenced in the descriptor string.        programMethodInfo.referencedClassesAccept(this);    }    public void visitLibraryFieldInfo(LibraryClassFile libraryClassFile, LibraryFieldInfo libraryFieldInfo)    {        keepFieldName(libraryClassFile, libraryFieldInfo);    }    public void visitLibraryMethodInfo(LibraryClassFile libraryClassFile, LibraryMethodInfo libraryMethodInfo)    {        keepMethodName(libraryClassFile, libraryMethodInfo);    }    // Small utility method.    /**     * Ensures the name of the given class name will be kept.     */    public void keepClassName(ClassFile classFile)    {        ClassFileObfuscator.setNewClassName(classFile,                                            classFile.getName());    }    /**     * Ensures the name of the given field name will be kept.     */    private void keepFieldName(ClassFile classFile, FieldInfo fieldInfo)    {        MemberInfoObfuscator.setFixedNewMemberName(fieldInfo,                                                   fieldInfo.getName(classFile));    }    /**     * Ensures the name of the given method name will be kept.     */    private void keepMethodName(ClassFile classFile, MethodInfo methodInfo)    {        String name = methodInfo.getName(classFile);        if (!name.equals(ClassConstants.INTERNAL_METHOD_NAME_CLINIT) &&            !name.equals(ClassConstants.INTERNAL_METHOD_NAME_INIT))        {            MemberInfoObfuscator.setFixedNewMemberName(methodInfo,                                                       methodInfo.getName(classFile));        }    }}