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.editor; 22 23 import proguard.classfile.attribute.annotation.*; 24 25 /** 26 * This class can add annotations to a given annotations attribute. 27 * Annotations to be added must have been filled out beforehand. 28 * 29 * @author Eric Lafortune 30 */ 31 public class AnnotationsAttributeEditor 32 { 33 private AnnotationsAttribute targetAnnotationsAttribute; 34 35 36 /** 37 * Creates a new AnnotationsAttributeEditor that will edit annotations in 38 * the given annotations attribute. 39 */ AnnotationsAttributeEditor(AnnotationsAttribute targetAnnotationsAttribute)40 public AnnotationsAttributeEditor(AnnotationsAttribute targetAnnotationsAttribute) 41 { 42 this.targetAnnotationsAttribute = targetAnnotationsAttribute; 43 } 44 45 46 /** 47 * Adds a given annotation to the annotations attribute. 48 */ addAnnotation(Annotation annotation)49 public void addAnnotation(Annotation annotation) 50 { 51 int annotationsCount = targetAnnotationsAttribute.u2annotationsCount; 52 Annotation[] annotations = targetAnnotationsAttribute.annotations; 53 54 // Make sure there is enough space for the new annotation. 55 if (annotations.length <= annotationsCount) 56 { 57 targetAnnotationsAttribute.annotations = new Annotation[annotationsCount+1]; 58 System.arraycopy(annotations, 0, 59 targetAnnotationsAttribute.annotations, 0, 60 annotationsCount); 61 annotations = targetAnnotationsAttribute.annotations; 62 } 63 64 // Add the annotation. 65 annotations[targetAnnotationsAttribute.u2annotationsCount++] = annotation; 66 } 67 }