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.editor; 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.attribute.annotation.*; 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/** 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This class can add annotations to a given parameter annotations attribute. 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Annotations to be added must have been filled out beforehand. 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic class ParameterAnnotationsAttributeEditor 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato private ParameterAnnotationsAttribute targetParameterAnnotationsAttribute; 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Creates a new ParameterAnnotationsAttributeEditor that will edit 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * annotations in the given parameter annotations attribute. 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public ParameterAnnotationsAttributeEditor(ParameterAnnotationsAttribute targetParameterAnnotationsAttribute) 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato this.targetParameterAnnotationsAttribute = targetParameterAnnotationsAttribute; 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato /** 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Adds a given annotation to the annotations attribute. 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */ 49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato public void addAnnotation(int parameterIndex, Annotation annotation) 50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 51b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato int annotationsCount = targetParameterAnnotationsAttribute.u2parameterAnnotationsCount[parameterIndex]; 52b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato Annotation[] annotations = targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex]; 53b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 54b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Make sure there is enough space for the new annotation. 55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (annotations == null || 56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato annotations.length <= annotationsCount) 57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex] = new Annotation[annotationsCount+1]; 59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato if (annotations != null) 60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato System.arraycopy(annotations, 0, 62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex], 0, 63b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato annotationsCount); 64b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 65b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato annotations = targetParameterAnnotationsAttribute.parameterAnnotations[parameterIndex]; 66b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 67b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 68b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato // Add the annotation. 69b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato annotations[targetParameterAnnotationsAttribute.u2parameterAnnotationsCount[parameterIndex]++] = annotation; 70b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 71b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato}