1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/* 2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ProGuard -- shrinking, optimization, obfuscation, and preverification 3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * of Java bytecode. 4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 59f606f95f03a75961498803e24bee6799a7c0885Ying Wang * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) 6b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 7b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is free software; you can redistribute it and/or modify it 8b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * under the terms of the GNU General Public License as published by the Free 9b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Software Foundation; either version 2 of the License, or (at your option) 10b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * any later version. 11b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 12b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is distributed in the hope that it will be useful, but WITHOUT 13b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * more details. 16b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 17b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * You should have received a copy of the GNU General Public License along 18b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * with this program; if not, write to the Free Software Foundation, Inc., 19b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 21b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopackage proguard.classfile.visitor; 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.*; 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/** 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This <code>ClassVisitor</code> delegates its visits to another given 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * <code>ClassVisitor</code>, except for one given class. 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic class ExceptClassFilter implements ClassVisitor 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato private final Clazz exceptClass; 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato private final ClassVisitor classVisitor; 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Creates a new ClassNameFilter. 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @param exceptClass the class that will not be visited. 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @param classVisitor the <code>ClassVisitor</code> to which visits will 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * be delegated. 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public ExceptClassFilter(Clazz exceptClass, 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato ClassVisitor classVisitor) 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.exceptClass = exceptClass; 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.classVisitor = classVisitor; 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 51b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Implementations for ClassVisitor. 52b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 53b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void visitProgramClass(ProgramClass programClass) 54b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (!programClass.equals(exceptClass)) 56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato classVisitor.visitProgramClass(programClass); 58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void visitLibraryClass(LibraryClass libraryClass) 63b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 64b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (!libraryClass.equals(exceptClass)) 65b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 66b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato classVisitor.visitLibraryClass(libraryClass); 67b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 68b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 69b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato}