1 /* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2009 Eric Lafortune (eric (at) 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 */ 21 package proguard.classfile.visitor; 22 23 import proguard.classfile.Clazz; 24 import proguard.classfile.constant.*; 25 import proguard.classfile.constant.visitor.ConstantVisitor; 26 import proguard.classfile.util.SimplifiedVisitor; 27 28 29 /** 30 * This ConstantVisitor lets a given <code>ClassVisitor</code> visit all 31 * constant classes involved in any <code>Class.forName</code> constructs that 32 * it visits. 33 * 34 * @see DotClassClassVisitor 35 * 36 * @author Eric Lafortune 37 */ 38 public class ClassForNameClassVisitor 39 extends SimplifiedVisitor 40 implements ConstantVisitor 41 { 42 private final ClassVisitor classVisitor; 43 44 45 /** 46 * Creates a new ClassHierarchyTraveler. 47 * @param classVisitor the <code>ClassVisitor</code> to which visits will 48 * be delegated. 49 */ 50 public ClassForNameClassVisitor(ClassVisitor classVisitor) 51 { 52 this.classVisitor = classVisitor; 53 } 54 55 56 // Implementations for ConstantVisitor. 57 58 public void visitAnyConstant(Clazz clazz, Constant constant) {} 59 60 61 public void visitStringConstant(Clazz clazz, StringConstant stringConstant) 62 { 63 // Visit the referenced class from the Class.forName construct, if any. 64 stringConstant.referencedClassAccept(classVisitor); 65 } 66 } 67