1/* 2 * [The "BSD licence"] 3 * Copyright (c) 2010 Ben Gruver (JesusFreke) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29package org.jf.dexlib.Util; 30 31import org.jf.dexlib.EncodedValue.*; 32import org.jf.dexlib.TypeIdItem; 33 34public class TypeUtils 35{ 36 public static EncodedValue makeDefaultValueForType(String type) { 37 switch (type.charAt(0)) { 38 case 'Z': 39 return BooleanEncodedValue.FalseValue; 40 case 'B': 41 return new ByteEncodedValue((byte)0); 42 case 'S': 43 return new ShortEncodedValue((short)0); 44 case 'C': 45 return new CharEncodedValue((char)0); 46 case 'I': 47 return new IntEncodedValue(0); 48 case 'J': 49 return new LongEncodedValue(0); 50 case 'F': 51 return new FloatEncodedValue(0); 52 case 'D': 53 return new DoubleEncodedValue(0); 54 case 'L': 55 case '[': 56 return NullEncodedValue.NullValue; 57 } 58 return null; 59 } 60 61 public static EncodedValue makeDefaultValueForType(TypeIdItem type) { 62 return makeDefaultValueForType(type.getTypeDescriptor()); 63 } 64} 65