1 /*
2 * Copyright (c) 2007, James Leigh All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * - Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - Neither the name of the openrdf.org nor the names of its contributors may
13 * be used to endorse or promote products derived from this software without
14 * specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29 package org.openrdf.elmo.sesame.converters.impl;
30
31 import java.util.Locale;
32 import java.util.concurrent.ConcurrentHashMap;
33 import java.util.concurrent.ConcurrentMap;
34
35 import org.openrdf.elmo.sesame.converters.Marshall;
36 import org.openrdf.model.Literal;
37 import org.openrdf.model.URI;
38 import org.openrdf.model.ValueFactory;
39 import org.openrdf.model.vocabulary.XMLSchema;
40
41 public class LocaleMarshall implements Marshall<Locale> {
42 private ValueFactory vf;
43
44 private URI datatype = XMLSchema.LANGUAGE;
45
46 private ConcurrentMap<String, Locale> locales = new ConcurrentHashMap<String, Locale>();
47
48 public LocaleMarshall(ValueFactory vf) {
49 this.vf = vf;
50 }
51
52 public Class<Locale> getJavaClass() {
53 return Locale.class;
54 }
55
56 public URI getDatatype() {
57 return datatype;
58 }
59
60 public void setDatatype(URI datatype) {
61 this.datatype = datatype;
62 }
63
64 public Locale deserialize(Literal literal) {
65 String lang = literal.getLabel();
66 Locale locale = locales.get(lang);
67 if (locale == null) {
68 String[] l = lang.split("-", 3);
69 String language = l.length < 1 ? "" : l[0];
70 String country = l.length < 2 ? "" : l[1];
71 String variant = l.length < 3 ? "" : l[2];
72 locale = new Locale(language, country.toUpperCase(), variant);
73 Locale o = locales.putIfAbsent(lang, locale);
74 if (o != null) {
75 locale = o;
76 }
77 }
78 return locale;
79 }
80
81 public Literal serialize(Locale object) {
82 String label = object.toString().toLowerCase().replace('_', '-');
83 return vf.createLiteral(label, datatype);
84 }
85 }