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


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 java.util.*;
26
27 import org.xquark.schema.SchemaException;
28 import org.xquark.schema.validation.ValidationContextProvider;
29
30
31 abstract class EnumerableType extends PrimitiveType {
32     private static final String RCSRevision = "$Revision: 1.1 $";
33     private static final String RCSName = "$Name: $";
34
35     private HashSet enumerations = null;
36     private List values = null;
37
38     EnumerableType(String name, int type) {
39         super(name, type);
40     }
41
42     // this method is used in NOTATIONType
43 // enumerations for types derived from NOTATION are mandatory
44 protected java.util.Collection getEnumerations() {
45         return enumerations;
46     }
47
48     protected void setEnumeration(HashSet value, ValidationContextProvider vcProvider) throws SchemaException {
49         HashSet result = new HashSet();
50         Iterator it = value.iterator();
51         while (it.hasNext()) {
52             String enum = normalizedValue((String) it.next());
53             Object valueSpace = this.toValueSpace(enum, vcProvider);
54             if (enumerations != null) checkFacets(valueSpace);
55             result.add(valueSpace);
56         }
57         enumerations = result;
58         values = null;
59     }
60
61     public void checkFacets(Object valueSpace) throws SchemaException {
62         if (enumerations != null && !enumerations.contains(valueSpace))
63             super.invalidFacet("cvc-enumeration-valid", enumerations, valueSpace.toString());
64     }
65
66     public List getValues() {
67         if (enumerations != null && values == null) {
68             values = new ArrayList();
69             Iterator it = enumerations.iterator();
70             while (it.hasNext()) {
71                 values.add(toXMLString(it.next(), null));
72             }
73         }
74         return values;
75     }
76 }
77
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