001    /*
002     * Copyright (c) 2005 Marko Karppinen & Co. LLC
003     *
004     * Permission is hereby granted, free of charge, to any person obtaining a 
005     * copy of this software and associated documentation files (the "Software"), 
006     * to deal in the Software without restriction, including without limitation 
007     * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
008     * and/or sell copies of the Software, and to permit persons to whom the 
009     * Software is furnished to do so, subject to the following conditions:
010     *
011     * The above copyright notice and this permission notice shall be included in 
012     * all copies or substantial portions of the Software.
013     *
014     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
015     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
016     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
017     * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
018     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
019     * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
020     * DEALINGS IN THE SOFTWARE.
021     */
022    
023    package fi.karppinen.xml;
024    
025    import java.util.Locale;
026    
027    /**
028     * Converts between <code>Locale</code> and XML-compatible language codes.
029     * 
030     * @version $Id: LangUtil.java,v 1.1 2006/10/30 19:57:09 hsivonen Exp $
031     * @author hsivonen
032     */
033    public class LangUtil {
034        
035        /**
036         * Converts between XML-compatible language codes and <code>Locale</code>.
037         * 
038         * @param code the language code
039         * @return the corresponding locale
040         */
041        public static Locale codeToLocale(String code) {
042            String[] s = code.split("-");
043            switch (s.length) {
044                case 1:
045                    return new Locale(s[0]);
046                case 2:
047                    return new Locale(s[0], s[1]);
048                default:
049                    return new Locale(s[0], s[1], s[2]);
050            }
051        }
052        
053        /**
054         * Converts between <code>Locale</code> and XML-compatible language codes.
055         * 
056         * @param loc the locale
057         * @return the language code
058         */
059        public static String localeToCode(Locale loc) {
060            return loc.toString().replace('_', '-');
061        }
062    }