1 /*
2 * This file is part of *** M y C o R e ***
3 * See http://www.mycore.de/ for details.
4 *
5 * MyCoRe is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * MyCoRe 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
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with MyCoRe. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 package org.mycore.datamodel.language;
20
21 import org.jdom2.Element;
22 import org.jdom2.Namespace;
23
24 /**
25 * Helper class to map xml:lang and lang attributes in XML to MCRLanguage
26 *
27 * @author Frank L\u00FCtzenkirchen
28 */
29 public class MCRLanguageXML {
30
31 /**
32 * Sets the lang attribute to the ISO 639-2 bibliographic code of the given language
33 */
34 public static void setLangAttribute(MCRLanguage lang, Element element) {
35 String code = lang.getCode(MCRLanguageCodeType.biblCode);
36 if (code != null) {
37 element.setAttribute("lang", code);
38 }
39 }
40
41 /**
42 * Sets the xml:lang attribute to the ISO 639-1 code of the given language
43 */
44 public static void setXMLLangAttribute(MCRLanguage lang, Element element) {
45 element.setAttribute("lang", lang.getCode(MCRLanguageCodeType.xmlCode), Namespace.XML_NAMESPACE);
46 }
47
48 /**
49 * Returns the language of the given XML element, by inspecting the xml:lang or lang attribute.
50 * If neither exists, the default language is returned.
51 */
52 public static MCRLanguage getLanguage(Element element) {
53 String code = element.getAttributeValue("lang", Namespace.XML_NAMESPACE);
54 if ((code == null) || code.isEmpty()) {
55 code = element.getAttributeValue("lang");
56 }
57
58 if ((code == null) || code.isEmpty()) {
59 return MCRLanguageFactory.instance().getDefaultLanguage();
60 } else {
61 return MCRLanguageFactory.instance().getLanguage(code);
62 }
63
64 }
65 }