/**
 * Xtreme Media Player a cross-platform media player.
 * Copyright (C) 2005-2010 Besmir Beqiri
 * 
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package xtrememp.util;

import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

/**
 *
 * @author Besmir Beqiri
 */
public class LanguageBundle {

    private static final String BASE_NAME = "xtrememp.resources.i18n.xtrememp_i18n";
    private static Locale languageLocale;
    private static ResourceBundle languageBundle;

    /**
     * Gets a string for the given key from the language resource bundle
     * containing a translated version specified by the selected language.
     *
     * @param key the key for the desired string
     * @throws NullPointerException if <code>key</code> is <code>null</code>
     * @return the string for the given key
     */
    public static String getString(String key) {
        if (languageBundle != null) {
            String result;
            try {
                result = languageBundle.getString(key);
            } catch (MissingResourceException ex) {
                ex.printStackTrace();
                return key;
            }
            return result;
        }
        return key;
    }

    /**
     * Sets the language locale.
     * 
     * @param locale the locale
     */
    public static void setLanguage(Locale locale) {
        if (locale == null) {
            languageBundle = ResourceBundle.getBundle(BASE_NAME, Utilities.getSystemLocale());
        } else {
            languageBundle = ResourceBundle.getBundle(BASE_NAME, locale);
        }
        languageLocale = languageBundle.getLocale();
    }

    /**
     * Return the locale of the selected language.
     * 
     * @return the language locale
     */
    public static Locale getLanguageLocale() {
        return languageLocale;
    }
}