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 */ 21 package proguard.classfile.attribute.annotation.visitor; 22 23 import proguard.classfile.*; 24 import proguard.classfile.attribute.annotation.Annotation; 25 import proguard.classfile.util.SimplifiedVisitor; 26 import proguard.classfile.visitor.MemberVisitor; 27 28 29 /** 30 * This AnnotationVisitor delegates all visits to a given MemberVisitor. 31 * The latter visits the class member of each visited class member annotation 32 * or method parameter annotation, although never twice in a row. 33 * 34 * @author Eric Lafortune 35 */ 36 public class AnnotationToMemberVisitor 37 extends SimplifiedVisitor 38 implements AnnotationVisitor 39 { 40 private final MemberVisitor memberVisitor; 41 42 private Member lastVisitedMember; 43 44 AnnotationToMemberVisitor(MemberVisitor memberVisitor)45 public AnnotationToMemberVisitor(MemberVisitor memberVisitor) 46 { 47 this.memberVisitor = memberVisitor; 48 } 49 50 51 // Implementations for AnnotationVisitor. 52 visitAnnotation(Clazz clazz, Member member, Annotation annotation)53 public void visitAnnotation(Clazz clazz, Member member, Annotation annotation) 54 { 55 if (!member.equals(lastVisitedMember)) 56 { 57 member.accept(clazz, memberVisitor); 58 59 lastVisitedMember = member; 60 } 61 } 62 } 63