1 /*
2 * Copyright 2005 Werner Guttmann
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
12 * the License.
13 */
14 package org.exolab.castor.xml.schema;
15
16 import org.exolab.castor.xml.schema.facets.MaxExclusive;
17 import org.exolab.castor.xml.schema.facets.MaxInclusive;
18 import org.exolab.castor.xml.schema.facets.MinExclusive;
19 import org.exolab.castor.xml.schema.facets.MinInclusive;
20
21 /**
22 * A factory to create instances of {@link Facet}s.
23 *
24 * @see Facet
25 * @author <a href="mailto:sergei.ivanov@mail.ru">Sergei Ivanov</a>
26 * @version $Revision: 6465 $ $Date: 2006-04-13 06:47:36 -0600 (Thu, 13 Apr 2006) $
27 */
28 public final class FacetFactory {
29
30 /**
31 * A private constructor to disallow direct instantiation.
32 */
33 private FacetFactory() {}
34
35 /**
36 * The singleton instance of the factory.
37 */
38 private static final FacetFactory INSTANCE = new FacetFactory();
39
40 /**
41 * Returns the singleton instance of the facet factory.
42 *
43 * @return factory instance
44 */
45 public static FacetFactory getInstance() {
46 return INSTANCE;
47 }
48
49 /**
50 * Creates a new instance of a facet.
51 *
52 * @param name facet name (implies facet type)
53 * @param value value of the facet
54 * @return a new facet instance
55 */
56 public Facet createFacet(final String name, final String value) {
57 Facet facet = null;
58 if (Facet.MIN_EXCLUSIVE.equals(name)) {
59 facet = new MinExclusive(value);
60 } else if (Facet.MIN_INCLUSIVE.equals(name)) {
61 facet = new MinInclusive(value);
62 } else if (Facet.MAX_INCLUSIVE.equals(name)) {
63 facet = new MaxInclusive(value);
64 } else if (Facet.MAX_EXCLUSIVE.equals(name)) {
65 facet = new MaxExclusive(value);
66 } else {
67 facet = new Facet(name, value);
68 }
69 // facet.setOwningType(parent);
70 return facet;
71 }
72 }