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.obfuscate; 22 23 /** 24 * This <code>NameFactory</code> generates names that are special, by appending 25 * a suffix. 26 * 27 * @author Eric Lafortune 28 */ 29 public class SpecialNameFactory implements NameFactory 30 { 31 private static final char SPECIAL_SUFFIX = '_'; 32 33 34 private final NameFactory nameFactory; 35 36 37 /** 38 * Creates a new <code>SpecialNameFactory</code>. 39 * @param nameFactory the name factory from which original names will be 40 * retrieved. 41 */ SpecialNameFactory(NameFactory nameFactory)42 public SpecialNameFactory(NameFactory nameFactory) 43 { 44 this.nameFactory = nameFactory; 45 } 46 47 48 // Implementations for NameFactory. 49 reset()50 public void reset() 51 { 52 nameFactory.reset(); 53 } 54 55 nextName()56 public String nextName() 57 { 58 return nameFactory.nextName() + SPECIAL_SUFFIX; 59 } 60 61 62 // Small utility methods. 63 64 /** 65 * Returns whether the given name is special. 66 */ isSpecialName(String name)67 static boolean isSpecialName(String name) 68 { 69 return name != null && 70 name.charAt(name.length()-1) == SPECIAL_SUFFIX; 71 } 72 73 main(String[] args)74 public static void main(String[] args) 75 { 76 SpecialNameFactory factory = new SpecialNameFactory(new SimpleNameFactory()); 77 78 for (int counter = 0; counter < 50; counter++) 79 { 80 System.out.println("["+factory.nextName()+"]"); 81 } 82 } 83 } 84