1b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang/* 2b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * ProGuard -- shrinking, optimization, obfuscation, and preverification 3b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * of Java bytecode. 4b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * 5b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu) 6b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * 7b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * This program is free software; you can redistribute it and/or modify it 8b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * under the terms of the GNU General Public License as published by the Free 9b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * Software Foundation; either version 2 of the License, or (at your option) 10b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * any later version. 11b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * 12b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * This program is distributed in the hope that it will be useful, but WITHOUT 13b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * more details. 16b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * 17b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * You should have received a copy of the GNU General Public License along 18b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * with this program; if not, write to the Free Software Foundation, Inc., 19b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang */ 21b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangpackage proguard.classfile.attribute.annotation.visitor; 22b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 23b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangimport proguard.classfile.*; 24b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangimport proguard.classfile.attribute.Attribute; 25b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangimport proguard.classfile.attribute.annotation.*; 26b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangimport proguard.classfile.attribute.visitor.AttributeVisitor; 27b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangimport proguard.classfile.util.SimplifiedVisitor; 28b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangimport proguard.util.*; 29b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 30b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang/** 31b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * This AttributeVisitor and AnnotationVisitor lets a given ElementValueVisitor 32b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * visit all ElementValue objects of the attributes or annotations that it 33b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * visits. 34b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * 35b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * @author Eric Lafortune 36b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang */ 37b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangpublic class AllElementValueVisitor 38b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangextends SimplifiedVisitor 39b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wangimplements AttributeVisitor, 40b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang AnnotationVisitor, 41b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang ElementValueVisitor 42b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang{ 43b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang private final boolean deep; 44b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang private final ElementValueVisitor elementValueVisitor; 45b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 46b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 47b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang /** 48b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * Creates a new AllElementValueVisitor. 49b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * @param elementValueVisitor the AllElementValueVisitor to which visits 50b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * will be delegated. 51b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang */ 52b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public AllElementValueVisitor(ElementValueVisitor elementValueVisitor) 53b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 54b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang this(false, elementValueVisitor); 55b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 56b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 57b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 58b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang /** 59b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * Creates a new AllElementValueVisitor. 60b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * @param deep specifies whether the element values 61b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * further down the hierarchy should be 62b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * visited too. 63b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * @param elementValueVisitor the AllElementValueVisitor to which visits 64b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang * will be delegated. 65b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang */ 66b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public AllElementValueVisitor(boolean deep, 67b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang ElementValueVisitor elementValueVisitor) 68b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 69b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang this.deep = deep; 70b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang this.elementValueVisitor = elementValueVisitor; 71b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 72b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 73b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 74b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Implementations for AttributeVisitor. 75b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 76b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnyAttribute(Clazz clazz, Attribute attribute) {} 77b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 78b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 79b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute) 80b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 81b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the annotations. 82b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang runtimeVisibleAnnotationsAttribute.annotationsAccept(clazz, this); 83b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 84b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 85b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 86b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, Field field, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute) 87b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 88b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the annotations. 89b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang runtimeVisibleAnnotationsAttribute.annotationsAccept(clazz, field, this); 90b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 91b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 92b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 93b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitRuntimeVisibleAnnotationsAttribute(Clazz clazz, Method method, RuntimeVisibleAnnotationsAttribute runtimeVisibleAnnotationsAttribute) 94b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 95b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the annotations. 96b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang runtimeVisibleAnnotationsAttribute.annotationsAccept(clazz, method, this); 97b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 98b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 99b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 100b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute) 101b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 102b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the annotations. 103b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang runtimeInvisibleAnnotationsAttribute.annotationsAccept(clazz, this); 104b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 105b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 106b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 107b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, Field field, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute) 108b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 109b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the annotations. 110b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang runtimeInvisibleAnnotationsAttribute.annotationsAccept(clazz, field, this); 111b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 112b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 113b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 114b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitRuntimeInvisibleAnnotationsAttribute(Clazz clazz, Method method, RuntimeInvisibleAnnotationsAttribute runtimeInvisibleAnnotationsAttribute) 115b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 116b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the annotations. 117b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang runtimeInvisibleAnnotationsAttribute.annotationsAccept(clazz, method, this); 118b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 119b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 120b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 121b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnyParameterAnnotationsAttribute(Clazz clazz, Method method, ParameterAnnotationsAttribute parameterAnnotationsAttribute) 122b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 123b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the annotations. 124b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang parameterAnnotationsAttribute.annotationsAccept(clazz, method, this); 125b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 126b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 127b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 128b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnnotationDefaultAttribute(Clazz clazz, Method method, AnnotationDefaultAttribute annotationDefaultAttribute) 129b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 130b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Visit the default element value. 131b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang annotationDefaultAttribute.defaultValueAccept(clazz, this); 132b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 133b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 134b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 135b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Implementations for AnnotationVisitor. 136b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 137b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnnotation(Clazz clazz, Annotation annotation) 138b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 139b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang annotation.elementValuesAccept(clazz, this); 140b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 141b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 142b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 143b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnnotation(Clazz clazz, Field field, Annotation annotation) 144b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 145b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang annotation.elementValuesAccept(clazz, this); 146b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 147b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 148b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 149b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnnotation(Clazz clazz, Method method, Annotation annotation) 150b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 151b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang annotation.elementValuesAccept(clazz, this); 152b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 153b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 154b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 155b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnnotation(Clazz clazz, Method method, int parameterIndex, Annotation annotation) 156b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 157b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang annotation.elementValuesAccept(clazz, this); 158b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 159b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 160b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 161b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang // Implementations for ElementValueVisitor. 162b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 163b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitConstantElementValue(Clazz clazz, Annotation annotation, ConstantElementValue constantElementValue) 164b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 165b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang elementValueVisitor.visitConstantElementValue(clazz, annotation, constantElementValue); 166b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 167b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 168b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 169b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitEnumConstantElementValue(Clazz clazz, Annotation annotation, EnumConstantElementValue enumConstantElementValue) 170b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 171b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang elementValueVisitor.visitEnumConstantElementValue(clazz, annotation, enumConstantElementValue); 172b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 173b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 174b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 175b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitClassElementValue(Clazz clazz, Annotation annotation, ClassElementValue classElementValue) 176b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 177b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang elementValueVisitor.visitClassElementValue(clazz, annotation, classElementValue); 178b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 179b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 180b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 181b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitAnnotationElementValue(Clazz clazz, Annotation annotation, AnnotationElementValue annotationElementValue) 182b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 183b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang elementValueVisitor.visitAnnotationElementValue(clazz, annotation, annotationElementValue); 184b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 185b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang if (deep) 186b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 187b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang annotationElementValue.annotationAccept(clazz, this); 188b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 189b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 190b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 191b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 192b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang public void visitArrayElementValue(Clazz clazz, Annotation annotation, ArrayElementValue arrayElementValue) 193b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 194b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang elementValueVisitor.visitArrayElementValue(clazz, annotation, arrayElementValue); 195b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang 196b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang if (deep) 197b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang { 198b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang arrayElementValue.elementValuesAccept(clazz, annotation, elementValueVisitor); 199b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 200b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang } 201b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang} 202