| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.myfaces.tobago.util; |
| |
| import org.apache.myfaces.tobago.internal.util.StringUtils; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Locale; |
| |
| public final class LocaleUtils { |
| |
| private LocaleUtils() { |
| } |
| |
| public static Locale createLocale(final String value) { |
| Locale locale = null; |
| final String[] strings = StringUtils.split(value, "_"); |
| switch (strings.length) { |
| case 1: |
| locale = new Locale(strings[0]); |
| break; |
| case 2: |
| locale = new Locale(strings[0], strings[1]); |
| break; |
| case 3: |
| locale = new Locale(strings[0], strings[1], strings[2]); |
| break; |
| default: |
| // TODO |
| } |
| return locale; |
| } |
| |
| /** |
| * @deprecated since 1.5 |
| */ |
| @Deprecated |
| public static List<Locale> getLocaleList(final Locale locale) { |
| |
| String string = locale.toString(); |
| final List<Locale> locales = new ArrayList<>(3); |
| locales.add(locale); |
| int underscore; |
| while ((underscore = string.lastIndexOf('_')) > 0) { |
| string = string.substring(0, underscore); |
| locales.add(createLocale(string)); |
| } |
| |
| return locales; |
| } |
| |
| /** |
| * Returns a list of strings, which are used as suffix for resources from resource manager. |
| * <p> |
| * Sample: "de_DE" -> "_de_DE", "_de", "" |
| */ |
| public static List<String> getLocaleSuffixList(final Locale locale) { |
| |
| if (locale == null) { |
| return Arrays.asList(""); |
| } |
| |
| String string = locale.toString(); |
| final String prefix = "_"; |
| final List<String> locales = new ArrayList<>(4); |
| locales.add(prefix + string); |
| int underscore; |
| while ((underscore = string.lastIndexOf('_')) > 0) { |
| string = string.substring(0, underscore); |
| locales.add(prefix + string); |
| } |
| |
| locales.add(""); // default suffix is nothing |
| |
| return locales; |
| } |
| |
| } |