org.mycore.datamodel.language.MCRLanguageXML Maven / Gradle / Ivy
/*
* This file is part of *** M y C o R e ***
* See http://www.mycore.de/ for details.
*
* MyCoRe is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MyCoRe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MyCoRe. If not, see .
*/
package org.mycore.datamodel.language;
import org.jdom2.Element;
import org.jdom2.Namespace;
/**
* Helper class to map xml:lang and lang attributes in XML to MCRLanguage
*
* @author Frank L\u00FCtzenkirchen
*/
public class MCRLanguageXML {
/**
* Sets the lang attribute to the ISO 639-2 bibliographic code of the given language
*/
public static void setLangAttribute(MCRLanguage lang, Element element) {
String code = lang.getCode(MCRLanguageCodeType.biblCode);
if (code != null) {
element.setAttribute("lang", code);
}
}
/**
* Sets the xml:lang attribute to the ISO 639-1 code of the given language
*/
public static void setXMLLangAttribute(MCRLanguage lang, Element element) {
element.setAttribute("lang", lang.getCode(MCRLanguageCodeType.xmlCode), Namespace.XML_NAMESPACE);
}
/**
* Returns the language of the given XML element, by inspecting the xml:lang or lang attribute.
* If neither exists, the default language is returned.
*/
public static MCRLanguage getLanguage(Element element) {
String code = element.getAttributeValue("lang", Namespace.XML_NAMESPACE);
if ((code == null) || code.isEmpty()) {
code = element.getAttributeValue("lang");
}
if ((code == null) || code.isEmpty()) {
return MCRLanguageFactory.instance().getDefaultLanguage();
} else {
return MCRLanguageFactory.instance().getLanguage(code);
}
}
}