1/* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the Free 9 * Software Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21package proguard.classfile.visitor; 22 23import proguard.classfile.*; 24 25 26/** 27 * This <code>MemberVisitor</code> delegates its visits to another given 28 * <code>MemberVisitor</code>, but only when visiting members of program 29 * classes. 30 * 31 * @author Eric Lafortune 32 */ 33public class ProgramMemberFilter implements MemberVisitor 34{ 35 private final MemberVisitor memberVisitor; 36 37 38 /** 39 * Creates a new ProgramMemberFilter. 40 * @param memberVisitor the <code>MemberVisitor</code> to which 41 * visits will be delegated. 42 */ 43 public ProgramMemberFilter(MemberVisitor memberVisitor) 44 { 45 this.memberVisitor = memberVisitor; 46 } 47 48 49 // Implementations for MemberVisitor. 50 51 public void visitProgramField(ProgramClass programClass, ProgramField programField) 52 { 53 memberVisitor.visitProgramField(programClass, programField); 54 } 55 56 57 public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) 58 { 59 memberVisitor.visitProgramMethod(programClass, programMethod); 60 } 61 62 63 public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField) 64 { 65 // Don't delegate visits to library members. 66 } 67 68 69 public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod) 70 { 71 // Don't delegate visits to library members. 72 } 73} 74