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Java > Open Source Codes > org > xquark > schema > datatypes > BooleanType


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 package org.xquark.schema.datatypes;
24
25 import org.xquark.schema.SchemaException;
26 import org.xquark.schema.validation.ValidationContextProvider;
27
28
29 class BooleanType extends PrimitiveType {
30     private static final String JavaDoc RCSRevision = "$Revision: 1.2 $";
31     private static final String JavaDoc RCSName = "$Name: $";
32
33     BooleanType() {
34         super("boolean", PrimitiveType.BOOLEAN);
35     }
36
37     protected Object JavaDoc toValidType(Object JavaDoc data) {
38         return (Boolean JavaDoc) data;
39     }
40
41     public void checkFacets(Object JavaDoc valueSpace) throws SchemaException {
42         return;
43     }
44
45     protected Object JavaDoc toValueSpace(String JavaDoc value, ValidationContextProvider context) throws SchemaException {
46         Boolean JavaDoc result = null;
47         if (value.equals("true") || value.equals("1"))
48             result = Boolean.TRUE;
49         else if (value.equals("false") || value.equals("0"))
50             result = Boolean.FALSE;
51         else
52             super.invalidValue(value.toString());
53         return result;
54     }
55
56     public String JavaDoc toXMLString(Object JavaDoc data, ValidationContextProvider context) {
57         if (data == null)
58             return null;
59         if (data instanceof Boolean JavaDoc)
60             return data.toString();
61         else if (data instanceof Number JavaDoc) {
62             if (((java.lang.Number JavaDoc) data).intValue() == 1)
63                 return "true";
64             else
65                 return "false";
66         } else if (data instanceof String JavaDoc) {
67             if (("1".equals(data)))
68                 return "true";
69             else
70                 return "false";
71         } else
72             return "false";
73     }
74
75 }
76
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