1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/* 2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ProGuard -- shrinking, optimization, obfuscation, and preverification 3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * of Java bytecode. 4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 5b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 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.attribute.annotation; 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.*; 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.attribute.annotation.visitor.ElementValueVisitor; 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.visitor.ClassVisitor; 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/** 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Representation of an annotation. 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic class Annotation implements VisitorAccepter 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public int u2typeIndex; 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public int u2elementValuesCount; 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public ElementValue[] elementValues; 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * An extra field pointing to the Clazz objects referenced in the 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * type string. This field is typically filled out by the <code>{@link 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * proguard.classfile.util.ClassReferenceInitializer 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ClassReferenceInitializer}</code>. 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * References to primitive types are ignored. 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public Clazz[] referencedClasses; 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * An extra field in which visitors can store information. 49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public Object visitorInfo; 51b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 52b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 53b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 54b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Creates an uninitialized Annotation. 55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public Annotation() 57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Creates an initialized Annotation. 63b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 64b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public Annotation(int u2typeIndex, 65b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato int u2elementValuesCount, 66b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato ElementValue[] elementValues) 67b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 68b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.u2typeIndex = u2typeIndex; 69b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.u2elementValuesCount = u2elementValuesCount; 70b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.elementValues = elementValues; 71b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 72b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 73b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 74b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 75b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Returns the type. 76b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 77b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public String getType(Clazz clazz) 78b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 79b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return clazz.getString(u2typeIndex); 80b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 81b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 82b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 83b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 84b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 85b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Applies the given visitor to the first referenced class. This is the 86b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * main annotation class. 87b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 88b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void referencedClassAccept(ClassVisitor classVisitor) 89b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 90b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (referencedClasses != null) 91b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 92b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Clazz referencedClass = referencedClasses[0]; 93b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (referencedClass != null) 94b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 95b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato referencedClass.accept(classVisitor); 96b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 97b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 98b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 99b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 100b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 101b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 102b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Applies the given visitor to all referenced classes. 103b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 104b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void referencedClassesAccept(ClassVisitor classVisitor) 105b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 106b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (referencedClasses != null) 107b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 108b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato for (int index = 0; index < referencedClasses.length; index++) 109b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 110b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Clazz referencedClass = referencedClasses[index]; 111b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (referencedClass != null) 112b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 113b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato referencedClass.accept(classVisitor); 114b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 115b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 116b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 117b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 118b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 119b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 120b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 121b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Applies the given visitor to all element value pairs. 122b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 123b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void elementValuesAccept(Clazz clazz, ElementValueVisitor elementValueVisitor) 124b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 125b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato for (int index = 0; index < u2elementValuesCount; index++) 126b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 127b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato elementValues[index].accept(clazz, this, elementValueVisitor); 128b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 129b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 130b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 131b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 132b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Implementations for VisitorAccepter. 133b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 134b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public Object getVisitorInfo() 135b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 136b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato return visitorInfo; 137b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 138b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 139b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void setVisitorInfo(Object visitorInfo) 140b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 141b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.visitorInfo = visitorInfo; 142b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 143b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato} 144