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.*; 24 import proguard.util.ArrayUtil; 25 26 /** 27 * This class can add bootstrap methods to a given bootstrap methods attribute. 28 * Bootstrap methods to be added must have been filled out beforehand. 29 * 30 * @author Eric Lafortune 31 */ 32 public class BootstrapMethodsAttributeEditor 33 { 34 private BootstrapMethodsAttribute targetBootstrapMethodsAttribute; 35 36 37 /** 38 * Creates a new BootstrapMethodsAttributeEditor that will edit bootstrap 39 * methods in the given bootstrap methods attribute. 40 */ BootstrapMethodsAttributeEditor(BootstrapMethodsAttribute targetBootstrapMethodsAttribute)41 public BootstrapMethodsAttributeEditor(BootstrapMethodsAttribute targetBootstrapMethodsAttribute) 42 { 43 this.targetBootstrapMethodsAttribute = targetBootstrapMethodsAttribute; 44 } 45 46 47 /** 48 * Adds a given bootstrap method to the bootstrap methods attribute. 49 * @return the index of the bootstrap method. 50 */ addBootstrapMethodInfo(BootstrapMethodInfo bootstrapMethodInfo)51 public int addBootstrapMethodInfo(BootstrapMethodInfo bootstrapMethodInfo) 52 { 53 targetBootstrapMethodsAttribute.bootstrapMethods = 54 (BootstrapMethodInfo[])ArrayUtil.add(targetBootstrapMethodsAttribute.bootstrapMethods, 55 targetBootstrapMethodsAttribute.u2bootstrapMethodsCount, 56 bootstrapMethodInfo); 57 58 return targetBootstrapMethodsAttribute.u2bootstrapMethodsCount++; 59 } 60 }