1 /* 2 * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 /* 26 * COMPONENT_NAME: idl.parser 27 * 28 * ORIGINS: 27 29 * 30 * Licensed Materials - Property of IBM 31 * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999 32 * RMI-IIOP v1.0 33 * 34 */ 35 36 package com.sun.tools.corba.se.idl.constExpr; 37 38 // NOTES: 39 40 import com.sun.tools.corba.se.idl.Util; 41 import java.math.BigInteger; 42 43 public class BooleanNot extends UnaryExpr 44 { 45 protected BooleanNot (Expression operand) 46 { 47 super ("!", operand); 48 } // ctor 49 50 public Object evaluate () throws EvaluationException 51 { 52 try 53 { 54 Object tmp = operand ().evaluate (); 55 Boolean op; 56 //daz if (tmp instanceof Number) 57 // op = new Boolean (((Number)tmp).longValue () != 0); 58 // else 59 // op = (Boolean)tmp; 60 if (tmp instanceof Number) 61 { 62 if (tmp instanceof BigInteger) 63 op = new Boolean (((BigInteger)tmp).compareTo (zero) != 0); 64 else 65 op = new Boolean (((Number)tmp).longValue () != 0); 66 } 67 else 68 op = (Boolean)tmp; 69 70 value (new Boolean (!op.booleanValue ())); 71 } 72 catch (ClassCastException e) 73 { 74 String[] parameters = {Util.getMessage ("EvaluationException.booleanNot"), operand ().value ().getClass ().getName ()}; 75 throw new EvaluationException (Util.getMessage ("EvaluationException.2", parameters)); 76 } 77 return value (); 78 } // evaluate 79 } // class BooleanNot