Java tutorial
//package com.java2s; /* * Copyright (C) 2011 The Android Open Source Project * * 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. */ import java.util.HashMap; import java.util.Locale; public class Main { private static final HashMap<String, Locale> sLocaleCache = new HashMap<String, Locale>(); /** * Creates a locale from a string specification. */ public static Locale constructLocaleFromString(final String localeStr) { if (localeStr == null) return null; synchronized (sLocaleCache) { if (sLocaleCache.containsKey(localeStr)) return sLocaleCache.get(localeStr); Locale retval = null; String[] localeParams = localeStr.split("_", 3); if (localeParams.length == 1) { retval = new Locale(localeParams[0]); } else if (localeParams.length == 2) { retval = new Locale(localeParams[0], localeParams[1]); } else if (localeParams.length == 3) { retval = new Locale(localeParams[0], localeParams[1], localeParams[2]); } if (retval != null) { sLocaleCache.put(localeStr, retval); } return retval; } } }