01: /*
02: * Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any 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: * @(#)NotEqual.java 1.20 07/05/05
35: */
36:
37: package com.sun.tools.corba.se.idl.constExpr;
38:
39: // NOTES:
40:
41: import com.sun.tools.corba.se.idl.Util;
42: import java.math.BigInteger;
43:
44: public class NotEqual extends BinaryExpr {
45: protected NotEqual(Expression leftOperand, Expression rightOperand) {
46: super ("!=", leftOperand, rightOperand);
47: } // ctor
48:
49: public Object evaluate() throws EvaluationException {
50: try {
51: Object left = left().evaluate();
52: if (left instanceof Boolean) {
53: Boolean l = (Boolean) left;
54: Boolean r = (Boolean) right().evaluate();
55: value(new Boolean(l.booleanValue() != r.booleanValue()));
56: } else {
57: Number l = (Number) left;
58: Number r = (Number) right().evaluate();
59:
60: if (l instanceof Float || l instanceof Double
61: || r instanceof Float || r instanceof Double)
62: value(new Boolean(l.doubleValue() != r
63: .doubleValue()));
64: else
65: //daz value (new Boolean (l.longValue () != r.longValue ()));
66: value(new Boolean(!((BigInteger) l)
67: .equals((BigInteger) r)));
68: }
69: } catch (ClassCastException e) {
70: String[] parameters = {
71: Util.getMessage("EvaluationException.notEqual"),
72: left().value().getClass().getName(),
73: right().value().getClass().getName() };
74: throw new EvaluationException(Util.getMessage(
75: "EvaluationException.1", parameters));
76: }
77: return value();
78: } // evaluate
79: } // class NotEqual
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