LocalizationD.java

package org.geogebra.desktop.main;

import java.util.ArrayList;
import java.util.Locale;
import java.util.ResourceBundle;

import org.geogebra.common.jre.main.LocalizationJre;
import org.geogebra.common.main.Feature;
import org.geogebra.common.util.lang.Language;

/**
 * Desktop localization
 */
public class LocalizationD extends LocalizationJre {

	/** path to menu */
	static final String RB_MENU = "/org/geogebra/desktop/properties/menu";
	/** path to commands */
	static final String RB_COMMAND = "/org/geogebra/desktop/properties/command";
	private static final String RB_ERROR = "/org/geogebra/desktop/properties/error";
	private static final String RB_SYMBOL = "/org/geogebra/desktop/properties/symbols";
	/** path to javaui properties (without extension) */
	public static final String RB_JAVA_UI = "/org/geogebra/desktop/properties/javaui";
	private static final String RB_COLORS = "/org/geogebra/desktop/properties/colors";

	/**
	 * @param dimension
	 *            3 for 3D
	 */
	public LocalizationD(int dimension) {
		super(dimension);
	}

	// supported GUI languages (from properties files)
	private static volatile ArrayList<Locale> supportedLocales = null;
	private static Object lock = new Object();

	@Override
	protected ArrayList<Locale> getSupportedLocales() {
		return getSupportedLocales(
				app != null && app.has(Feature.ALL_LANGUAGES));
	}

	/**
	 * @param prerelease
	 *            whether we also have prereleased languages
	 * @return locales
	 */
	public static ArrayList<Locale> getSupportedLocales(boolean prerelease) {

		if (supportedLocales == null) {
			synchronized (lock) {
				if (supportedLocales == null) {

					ArrayList<Locale> supportedLocales0 = new ArrayList<Locale>();

					Language[] languages = Language.values();

					for (int i = 0; i < languages.length; i++) {

						Language language = languages[i];

						if (language.fullyTranslated || prerelease) {

							if (language.locale.length() == 2) {
								// eg "en"
								supportedLocales0
										.add(new Locale(language.locale));
							} else if (language.locale.length() == 4) {
								// eg "enGB" -> "en", "GB"
								supportedLocales0.add(new Locale(
										language.locale.substring(0, 2),
										language.locale.substring(2, 4)));
							} else if (language.locale.length() == 6) {
								// eg "noNONY" -> "no", "NO", "NY"
								supportedLocales0.add(new Locale(
										language.locale.substring(0, 2),
										language.locale.substring(2, 4),
										language.locale.substring(4, 6)));
							}
						}

					}
					supportedLocales = supportedLocales0;
				}

			}
		}

		return supportedLocales;

	}

	@Override
	protected ResourceBundle createBundle(String key, Locale locale) {
		// TODO Auto-generated method stub
		return MyResourceBundle.createBundle(key, locale);
	}

	@Override
	protected String getMenuRessourcePath() {
		return RB_MENU;
	}

	@Override
	protected String getCommandRessourcePath() {
		return RB_COMMAND;
	}

	@Override
	protected String getColorRessourcePath() {
		return RB_COLORS;
	}

	@Override
	protected String getErrorRessourcePath() {
		return RB_ERROR;
	}

	@Override
	protected String getSymbolRessourcePath() {
		return RB_SYMBOL;
	}


}