BooleanAnd.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 BooleanAnd extends BinaryExpr
44{
45  protected BooleanAnd (Expression leftOperand, Expression rightOperand)
46  {
47    super ("&&", leftOperand, rightOperand);
48  } // ctor
49
50  public Object evaluate () throws EvaluationException
51  {
52    try
53    {
54      Object tmpL = left ().evaluate ();
55      Object tmpR = right ().evaluate ();
56      Boolean l;
57      Boolean r;
58
59      //daz   if (tmpL instanceof Number)
60      //        l = new Boolean (((Number)tmpL).longValue () != 0);
61      //      else
62      //        l = (Boolean)tmpL;
63      if (tmpL instanceof Number)
64      {
65        if (tmpL instanceof BigInteger)
66          l = new Boolean (((BigInteger)tmpL).compareTo (BigInteger.valueOf (0)) != 0);
67        else
68          l = new Boolean (((Number)tmpL).longValue () != 0);
69      }
70      else
71        l = (Boolean)tmpL;
72      //daz   if (tmpR instanceof Number)
73      //        r = new Boolean (((Number)tmpR).longValue () != 0);
74      //      else
75      //        r = (Boolean)tmpR;
76      if (tmpR instanceof Number)
77      {
78        if (tmpR instanceof BigInteger)
79          r = new Boolean (((BigInteger)tmpR).compareTo (zero) != 0);
80        else
81          r = new Boolean (((Number)tmpR).longValue () != 0);
82      }
83      else
84        r = (Boolean)tmpR;
85
86      value (new Boolean (l.booleanValue () && r.booleanValue ()));
87    }
88    catch (ClassCastException e)
89    {
90      String[] parameters = {Util.getMessage ("EvaluationException.booleanAnd"), left ().value ().getClass ().getName (), right ().value ().getClass ().getName ()};
91      throw new EvaluationException (Util.getMessage ("EvaluationException.1", parameters));
92    }
93    return value ();
94  } // evaluate
95} // class BooleanAnd
96