001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.myfaces.tobago.util; 021 022 import org.apache.commons.lang.StringUtils; 023 024 import java.util.ArrayList; 025 import java.util.List; 026 import java.util.Locale; 027 028 public class LocaleUtil { 029 030 private LocaleUtil() { 031 } 032 033 public static Locale createLocale(String value) { 034 Locale locale = null; 035 String[] strings = StringUtils.split(value, "_"); 036 switch (strings.length) { 037 case 1: 038 locale = new Locale(strings[0]); 039 break; 040 case 2: 041 locale = new Locale(strings[0], strings[1]); 042 break; 043 case 3: 044 locale = new Locale(strings[0], strings[1], strings[2]); 045 break; 046 default: 047 // TODO 048 } 049 return locale; 050 } 051 052 public static List<Locale> getLocaleList(Locale locale) { 053 054 String string = locale.toString(); 055 List<Locale> locales = new ArrayList<Locale>(3); 056 locales.add(locale); 057 int underscore; 058 while ((underscore = string.lastIndexOf('_')) > 0) { 059 string = string.substring(0, underscore); 060 locales.add(createLocale(string)); 061 } 062 063 return locales; 064 } 065 }