Times.java revision 608:7e06bf1dcb09 
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
36package com.sun.tools.corba.se.idl.constExpr;
37
38// NOTES:
39
40import com.sun.tools.corba.se.idl.Util;
41import java.math.BigInteger;
42
43public class Times extends BinaryExpr
44{
45  protected Times (Expression leftOperand, Expression rightOperand)
46  {
47    super ("*", leftOperand, rightOperand);
48  } // ctor
49
50  public Object evaluate () throws EvaluationException
51  {
52    try
53    {
54      Number l = (Number)left ().evaluate ();
55      Number r = (Number)right ().evaluate ();
56
57      boolean lIsNonInteger = l instanceof Float || l instanceof Double;
58      boolean rIsNonInteger = r instanceof Float || r instanceof Double;
59
60      if (lIsNonInteger && rIsNonInteger)
61        value (new Double (l.doubleValue () * r.doubleValue ()));
62      else if (lIsNonInteger || rIsNonInteger)
63      {
64        String[] parameters = {Util.getMessage ("EvaluationException.times"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};
65        throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));
66      }
67      else
68      {
69        // Multiplication (*)
70        BigInteger tmpL = (BigInteger)l,  tmpR = (BigInteger)r;
71        value (tmpL.multiply (tmpR));
72        //daz        value (new Long (l.longValue () * r.longValue ()));
73      }
74    }
75    catch (ClassCastException e)
76    {
77      String[] parameters = {Util.getMessage ("EvaluationException.times"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};
78      throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));
79    }
80    return value ();
81  } // evaluate
82} // class Times
83