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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 GreaterThan extends BinaryExpr
44  {
45    protected GreaterThan (Expression leftOperand, Expression rightOperand)
46    {
47      super (">", leftOperand, rightOperand);
48    } // ctor
49  
50    public Object evaluate () throws EvaluationException
51    {
52      try
53      {
54        Object left = left ().evaluate ();
55        Object right = right ().evaluate ();
56        if (left instanceof Boolean)
57        {
58          String[] parameters = {Util.getMessage ("EvaluationException.greaterThan"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};
59          throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));
60        }
61        else
62        {
63          Number l = (Number)left;
64          Number r = (Number)right ().evaluate ();
65          if (l instanceof Float || l instanceof Double || r instanceof Float || r instanceof Double)
66            value (new Boolean (l.doubleValue () > r.doubleValue ()));
67          else
68            //daz          value (new Boolean (l.longValue () > r.longValue ()));
69            value (new Boolean ( ((BigInteger)l).compareTo ((BigInteger)r) > 0));
70        }
71      }
72      catch (ClassCastException e)
73      {
74        String[] parameters = {Util.getMessage ("EvaluationException.greaterThan"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};
75        throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));
76      }
77      return value ();
78    } // evaluate
79  } // class GreaterThan