001/* ===========================================================
002 * Orson Charts : a 3D chart library for the Java(tm) platform
003 * ===========================================================
004 * 
005 * (C)opyright 2013-2022, by David Gilbert.  All rights reserved.
006 * 
007 * https://github.com/jfree/orson-charts
008 * 
009 * This program is free software: you can redistribute it and/or modify
010 * it under the terms of the GNU General Public License as published by
011 * the Free Software Foundation, either version 3 of the License, or
012 * (at your option) any later version.
013 *
014 * This program is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017 * GNU General Public License for more details.
018 *
019 * You should have received a copy of the GNU General Public License
020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
021 * 
022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
023 * Other names may be trademarks of their respective owners.]
024 * 
025 * If you do not wish to be bound by the terms of the GPL, an alternative
026 * commercial license can be purchased.  For details, please see visit the
027 * Orson Charts home page:
028 * 
029 * http://www.object-refinery.com/orsoncharts/index.html
030 * 
031 */
032
033package org.jfree.chart3d;
034
035import java.util.Locale;
036import java.util.ResourceBundle;
037import org.jfree.chart3d.internal.Args;
038
039/**
040 * Provides centralised access to localised resources.
041 * 
042 * @since 1.2
043 */
044public class Resources {
045    
046    /** The locale for the resources. */
047    private static Locale locale = Locale.getDefault();
048    
049    /** Localised resources. */
050    private static ResourceBundle resources = ResourceBundle.getBundle(
051            "org.jfree.chart3d.Resources", Locale.getDefault());
052    
053    /**
054     * Returns the locale that is being used for supplying resources.  The
055     * default value is {@code Locale.getDefault()}.
056     * 
057     * @return The locale (never {@code null}). 
058     */
059    public static Locale getLocale() {
060        return locale;
061    }
062    
063    /**
064     * Sets the locale to use for supplying resources.
065     * 
066     * @param l  the locale ({@code null} not permitted).
067     */
068    public static void setLocale(Locale l) {
069        Args.nullNotPermitted(l, "l");
070        locale = l;
071        resources = ResourceBundle.getBundle("org.jfree.chart3d.Resources",
072                locale);
073    }
074    
075    /**
076     * Returns a localised string.
077     * 
078     * @param key  the key ({@code null} not permitted).
079     * 
080     * @return A localised string. 
081     */
082    public static String localString(String key) {
083        return resources.getString(key);
084    }
085    
086}