| /* |
| * 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.util.*; |
| import proguard.classfile.visitor.*; |
| |
| import java.io.PrintStream; |
| |
| |
| /** |
| * This ClassVisitor prints out the renamed classes and class members with |
| * their old names and new names. |
| * |
| * @see ClassRenamer |
| * |
| * @author Eric Lafortune |
| */ |
| public class MappingPrinter |
| extends SimplifiedVisitor |
| implements ClassVisitor, |
| MemberVisitor |
| { |
| private final PrintStream ps; |
| |
| |
| /** |
| * Creates a new MappingPrinter that prints to <code>System.out</code>. |
| */ |
| public MappingPrinter() |
| { |
| this(System.out); |
| } |
| |
| |
| /** |
| * Creates a new MappingPrinter that prints to the given stream. |
| * @param printStream the stream to which to print |
| */ |
| public MappingPrinter(PrintStream printStream) |
| { |
| this.ps = printStream; |
| } |
| |
| |
| // Implementations for ClassVisitor. |
| |
| public void visitProgramClass(ProgramClass programClass) |
| { |
| String name = programClass.getName(); |
| String newName = ClassObfuscator.newClassName(programClass); |
| |
| ps.println(ClassUtil.externalClassName(name) + |
| " -> " + |
| ClassUtil.externalClassName(newName) + |
| ":"); |
| |
| // Print out the class members. |
| programClass.fieldsAccept(this); |
| programClass.methodsAccept(this); |
| } |
| |
| |
| public void visitLibraryClass(LibraryClass libraryClass) |
| { |
| } |
| |
| |
| // Implementations for MemberVisitor. |
| |
| public void visitProgramField(ProgramClass programClass, ProgramField programField) |
| { |
| String newName = MemberObfuscator.newMemberName(programField); |
| if (newName != null) |
| { |
| ps.println(" " + |
| //lineNumberRange(programClass, programField) + |
| ClassUtil.externalFullFieldDescription( |
| 0, |
| programField.getName(programClass), |
| programField.getDescriptor(programClass)) + |
| " -> " + |
| newName); |
| } |
| } |
| |
| |
| public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) |
| { |
| // Special cases: <clinit> and <init> are always kept unchanged. |
| // We can ignore them here. |
| String name = programMethod.getName(programClass); |
| if (name.equals(ClassConstants.INTERNAL_METHOD_NAME_CLINIT) || |
| name.equals(ClassConstants.INTERNAL_METHOD_NAME_INIT)) |
| { |
| return; |
| } |
| |
| String newName = MemberObfuscator.newMemberName(programMethod); |
| if (newName != null) |
| { |
| ps.println(" " + |
| lineNumberRange(programClass, programMethod) + |
| ClassUtil.externalFullMethodDescription( |
| programClass.getName(), |
| 0, |
| programMethod.getName(programClass), |
| programMethod.getDescriptor(programClass)) + |
| " -> " + |
| newName); |
| } |
| } |
| |
| |
| // Small utility methods. |
| |
| /** |
| * Returns the line number range of the given class member, followed by a |
| * colon, or just an empty String if no range is available. |
| */ |
| private static String lineNumberRange(ProgramClass programClass, ProgramMember programMember) |
| { |
| String range = programMember.getLineNumberRange(programClass); |
| return range != null ? |
| (range + ":") : |
| ""; |
| } |
| } |