/*
* This file is part of FTB Launcher.
*
* Copyright © 2012-2014, FTB Launcher Contributors <https://github.com/Slowpoke101/FTBLaunch/>
* FTB Launcher is licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.ftb.locale;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Properties;
import com.google.common.collect.Maps;
import net.ftb.log.Logger;
import net.ftb.util.OSUtils;
public class I18N {
private static Properties locales = new Properties();
private static Properties fallback = new Properties();
private static File dir = new File(OSUtils.getDynamicStorageLocation(), "locale");
public static HashMap<String, String> localeFiles = Maps.newHashMap();
public final static HashMap<Integer, String> localeIndices = Maps.newHashMap();
public static Locale currentLocale = Locale.enUS;
public enum Locale {
cyGB, daDK, deDE, enUS, enGB, esES, fiFI, frFR, itIT, nlNL, noNO, maHU, ptBR, ptPT, ruRU, svSE, zhCN
}
/**
* Gets the locale properties and stores loads it to locales
* @param file The locale file
*/
private static void getLocaleProperties (String file) {
locales.clear();
try {
locales.load(new InputStreamReader(I18N.class.getResource("/i18n/" + file).openStream(), "UTF8"));
// clean empty entries
for (Enumeration<Object> e = locales.keys(); e.hasMoreElements(); ) {
String key = (String) e.nextElement();
if (locales.get(key).equals("")) {
locales.remove(key);
}
}
} catch (IOException e) {
Logger.logError("[i18n] Could not load language file", e);
}
}
/**
* Set available locales and load fallback locale
*/
public static void setupLocale () {
localeFiles.put("enUS", "English (US)");
synchronized (localeIndices) {
localeIndices.put(0, "enUS");
}
addFiles();
}
/**
* Add files from the locale directory
*/
public static void addFiles () {
int i = 1;
Properties tmp = new Properties();
for (Locale file_ : Locale.values()) {
String file = file_.toString();
try {
tmp.clear();
tmp.load(new InputStreamReader(I18N.class.getResource("/i18n/" + file).openStream(), "UTF8"));
localeFiles.put(file, tmp.getProperty("LOCALE_NAME", file));
synchronized (localeIndices) {
localeIndices.put(i, file);
}
i++;
} catch (IOException e) {
Logger.logWarn("[i18n] Could not load language file", e);
}
}
try {
fallback.clear();
fallback.load(new InputStreamReader(I18N.class.getResource("/i18n/enUS").openStream(), "UTF8"));
Logger.logInfo("[i18n] Fallback enUS loaded");
} catch (IOException e) {
Logger.logError("[i18n] Could not load fallback file", e);
}
}
/**
* Sets the locale for the launcher
* @param locale the language file to be loaded
*/
public static void setLocale (String locale) {
if (locale == null) {
locale = "enUS";
currentLocale = Locale.enUS;
} else {
try {
currentLocale = Locale.valueOf(locale);
} catch (IllegalArgumentException e) {
Logger.logWarn("[i18n] Unknown locale " + locale + ". Loaded enUS");
currentLocale = Locale.enUS;
}
}
getLocaleProperties(locale);
Logger.logInfo("[i18n] " + locale + " " + locales.getProperty("LOCALE_LOADED", "loaded"));
}
/**
* Gets the default translation for the key (enUS)
* @param key The key for the string
* @return the default string
*/
public static String getFallbackString (String key) {
return fallback.getProperty(key, key);
}
/**
* Gets the localized string for the field, if not defined, returns the key
* @param key The key for the string
* @return The localized string or fallback value
*/
public static String getLocaleString (String key) {
return locales.getProperty(key, getFallbackString(key));
}
}