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: * @(#)GreaterThan.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 GreaterThan extends BinaryExpr {
45: protected GreaterThan(Expression leftOperand,
46: Expression rightOperand) {
47: super (">", leftOperand, rightOperand);
48: } // ctor
49:
50: public Object evaluate() throws EvaluationException {
51: try {
52: Object left = left().evaluate();
53: Object right = right().evaluate();
54: if (left instanceof Boolean) {
55: String[] parameters = {
56: Util
57: .getMessage("EvaluationException.greaterThan"),
58: left().value().getClass().getName(),
59: right().value().getClass().getName() };
60: throw new EvaluationException(Util.getMessage(
61: "EvaluationException.1", parameters));
62: } else {
63: Number l = (Number) left;
64: Number r = (Number) right().evaluate();
65: if (l instanceof Float || l instanceof Double
66: || r instanceof Float || r instanceof Double)
67: value(new Boolean(l.doubleValue() > r.doubleValue()));
68: else
69: //daz value (new Boolean (l.longValue () > r.longValue ()));
70: value(new Boolean(((BigInteger) l)
71: .compareTo((BigInteger) r) > 0));
72: }
73: } catch (ClassCastException e) {
74: String[] parameters = {
75: Util.getMessage("EvaluationException.greaterThan"),
76: left().value().getClass().getName(),
77: right().value().getClass().getName() };
78: throw new EvaluationException(Util.getMessage(
79: "EvaluationException.1", parameters));
80: }
81: return value();
82: } // evaluate
83: } // class GreaterThan
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