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.evaluation.value; 22 23 /** 24 * This IntegerValue represents a integer value that is negated. 25 * 26 * @author Eric Lafortune 27 */ 28 final class NegatedIntegerValue extends SpecificIntegerValue 29 { 30 private final IntegerValue integerValue; 31 32 33 /** 34 * Creates a new negated integer value of the given integer value. 35 */ NegatedIntegerValue(IntegerValue integerValue)36 public NegatedIntegerValue(IntegerValue integerValue) 37 { 38 this.integerValue = integerValue; 39 } 40 41 42 // Implementations of unary methods of IntegerValue. 43 negate()44 public IntegerValue negate() 45 { 46 return integerValue; 47 } 48 49 50 // Implementations for Object. 51 equals(Object object)52 public boolean equals(Object object) 53 { 54 return this == object || 55 super.equals(object) && 56 this.integerValue.equals(((NegatedIntegerValue)object).integerValue); 57 } 58 59 hashCode()60 public int hashCode() 61 { 62 return super.hashCode() ^ 63 integerValue.hashCode(); 64 } 65 66 toString()67 public String toString() 68 { 69 return "-"+integerValue; 70 } 71 }