| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| LocaleUtil |
|
| 2.5;2.5 |
| 1 | /* | |
| 2 | * $Id$ | |
| 3 | * | |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 5 | * or more contributor license agreements. See the NOTICE file | |
| 6 | * distributed with this work for additional information | |
| 7 | * regarding copyright ownership. The ASF licenses this file | |
| 8 | * to you under the Apache License, Version 2.0 (the | |
| 9 | * "License"); you may not use this file except in compliance | |
| 10 | * with the License. You may obtain a copy of the License at | |
| 11 | * | |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 | * | |
| 14 | * Unless required by applicable law or agreed to in writing, | |
| 15 | * software distributed under the License is distributed on an | |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 17 | * KIND, either express or implied. See the License for the | |
| 18 | * specific language governing permissions and limitations | |
| 19 | * under the License. | |
| 20 | */ | |
| 21 | package org.apache.tiles.request.locale; | |
| 22 | ||
| 23 | import java.util.Locale; | |
| 24 | ||
| 25 | /** | |
| 26 | * Utilities for locale manipulation. | |
| 27 | * | |
| 28 | * @version $Rev$ $Date$ | |
| 29 | */ | |
| 30 | public final class LocaleUtil { | |
| 31 | ||
| 32 | /** | |
| 33 | * The "null" Locale, i.e. a Locale that points to no real locale. | |
| 34 | * | |
| 35 | * @deprecated use Locale.ROOT instead. | |
| 36 | */ | |
| 37 | @Deprecated | |
| 38 | 1 | public static final Locale NULL_LOCALE = Locale.ROOT; |
| 39 | ||
| 40 | /** | |
| 41 | * Private constructor to avoid instantiation. | |
| 42 | */ | |
| 43 | 0 | private LocaleUtil() { |
| 44 | 0 | } |
| 45 | ||
| 46 | /** | |
| 47 | * <p> | |
| 48 | * Returns the "parent" locale of a given locale. | |
| 49 | * </p> | |
| 50 | * <p> | |
| 51 | * If the original locale is only language-based, the {@link #NULL_LOCALE} | |
| 52 | * object is returned. | |
| 53 | * </p> | |
| 54 | * <p> | |
| 55 | * If the original locale is {@link #NULL_LOCALE}, then <code>null</code> | |
| 56 | * is returned. | |
| 57 | * </p> | |
| 58 | * | |
| 59 | * @param locale The original locale. | |
| 60 | * @return The parent locale. | |
| 61 | */ | |
| 62 | public static Locale getParentLocale(Locale locale) { | |
| 63 | 4 | Locale retValue = null; |
| 64 | 4 | String language = locale.getLanguage(); |
| 65 | 4 | String country = locale.getCountry(); |
| 66 | 4 | String variant = locale.getVariant(); |
| 67 | 4 | if (!"".equals(variant)) { |
| 68 | 1 | retValue = new Locale(language, country); |
| 69 | 3 | } else if (!"".equals(country)) { |
| 70 | 1 | retValue = new Locale(language); |
| 71 | 2 | } else if (!"".equals(language)) { |
| 72 | 1 | retValue = Locale.ROOT; |
| 73 | } | |
| 74 | ||
| 75 | 4 | return retValue; |
| 76 | } | |
| 77 | } |