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Java > Open Source Codes > org > xquark > xquery > parser > ValueBoolean


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */
22
23
24 package org.xquark.xquery.parser;
25
26 import org.xquark.xquery.typing.TypeException;
27
28
29 public class ValueBoolean extends Value implements Cloneable JavaDoc {
30     private static final String JavaDoc RCSRevision = "$Revision: 1.7 $";
31     private static final String JavaDoc RCSName = "$Name: $";
32     
33     
34     // #############################################################################
35 // VISITOR STUFF
36 // #############################################################################
37
38     public void accept(ParserVisitor visitor) throws XQueryException {
39         visitor.visit(this);
40     }
41     
42     // #############################################################################
43 // CONSTRUCTOR STUFF
44 // #############################################################################
45
46     public ValueBoolean(String JavaDoc value, XQueryModule parentModule) throws TypeException, XQueryException {
47         super(value);
48         setValue(value);
49         setParentModule(parentModule);
50         if (parentModule != null && parentModule.getStaticContext().getTypeVisitor() != null)
51             accept(parentModule.getStaticContext().getTypeVisitor());
52     }
53     
54     // #############################################################################
55 // ATTRIBUTE ACCESS STUFF
56 // #############################################################################
57
58     public boolean getBooleanValue() { if (value.equalsIgnoreCase("true")) return true; else return false; }
59     public Object JavaDoc getObjectValue() { return null; }
60     public void setValue(String JavaDoc value) throws XQueryException {
61         // must be FALSE or TRUE
62 if (!value.equalsIgnoreCase("true") && !value.equalsIgnoreCase("false")) throw new XQueryException("value of ValueBoolean must be a Valid Boolean");
63         this.value = value;
64     }
65     public void setValue(boolean value) throws XQueryException {
66         setValue(String.valueOf(value));
67     }
68             
69 }
70
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