Java tutorial
//package com.java2s; /** * Copyright 2000-2006 DFKI GmbH. * All Rights Reserved. Use is subject to license terms. * <p/> * This file is part of MARY TTS. * <p/> * MARY TTS is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, version 3 of the License. * <p/> * This program 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 Lesser General Public License for more details. * <p/> * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Locale; public class Main { /** * Convert a locale into a string that is conform with XML's xml:lang attribute. * Basically it is language-COUNTRY, e.g. en-US. * * @param locale a locale, must not be null * @return * @throws IllegalArgumentException if locale is null */ public static String locale2xmllang(Locale locale) { if (locale == null) throw new IllegalArgumentException("Locale must not be null"); String country = locale.getCountry(); if (!"".equals(country)) return locale.getLanguage() + "-" + country; return locale.getLanguage(); } }