1 /* 2 * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* 27 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved 28 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved 29 * 30 * The original version of this source code and documentation 31 * is copyrighted and owned by Taligent, Inc., a wholly-owned 32 * subsidiary of IBM. These materials are provided under terms 33 * of a License Agreement between Taligent and Sun. This technology 34 * is protected by multiple US and International patents. 35 * 36 * This notice and attribution to Taligent may not be removed. 37 * Taligent is a registered trademark of Taligent, Inc. 38 * 39 */ 40 41 package sun.util.resources; 42 43 import java.security.AccessController; 44 import java.security.PrivilegedAction; 45 import java.util.Iterator; 46 import java.util.List; 47 import java.util.Locale; 48 import java.util.ResourceBundle; 49 import sun.util.locale.provider.LocaleDataMetaInfo; 50 import sun.util.locale.provider.LocaleProviderAdapter; 51 import static sun.util.locale.provider.LocaleProviderAdapter.Type.JRE; 52 53 /** 54 * Provides information about and access to resource bundles in the 55 * sun.text.resources and sun.util.resources packages or in their corresponding 56 * packages for CLDR. 57 * 58 * @author Asmus Freytag 59 * @author Mark Davis 60 */ 61 62 public class LocaleData { 63 private final LocaleProviderAdapter.Type type; 64 65 public LocaleData(LocaleProviderAdapter.Type type) { 66 this.type = type; 67 } 68 69 /** 70 * Gets a calendar data resource bundle, using privileges 71 * to allow accessing a sun.* package. 72 */ 73 public ResourceBundle getCalendarData(Locale locale) { 74 return getBundle(type.getUtilResourcesPackage() + ".CalendarData", locale); 75 } 76 77 /** 78 * Gets a currency names resource bundle, using privileges 79 * to allow accessing a sun.* package. 80 */ 81 public OpenListResourceBundle getCurrencyNames(Locale locale) { 82 return (OpenListResourceBundle) getBundle(type.getUtilResourcesPackage() + ".CurrencyNames", locale); 83 } 84 85 /** 86 * Gets a locale names resource bundle, using privileges 87 * to allow accessing a sun.* package. 88 */ 89 public OpenListResourceBundle getLocaleNames(Locale locale) { 90 return (OpenListResourceBundle) getBundle(type.getUtilResourcesPackage() + ".LocaleNames", locale); 91 } 92 93 /** 94 * Gets a time zone names resource bundle, using privileges 95 * to allow accessing a sun.* package. 96 */ 97 public TimeZoneNamesBundle getTimeZoneNames(Locale locale) { 98 return (TimeZoneNamesBundle) getBundle(type.getUtilResourcesPackage() + ".TimeZoneNames", locale); 99 } 100 101 /** 102 * Gets a collation data resource bundle, using privileges 103 * to allow accessing a sun.* package. 104 */ 105 public ResourceBundle getCollationData(Locale locale) { 106 return getBundle(type.getTextResourcesPackage() + ".CollationData", locale); 107 } 108 109 /** 110 * Gets a date format data resource bundle, using privileges 111 * to allow accessing a sun.* package. 112 */ 113 public ResourceBundle getDateFormatData(Locale locale) { 114 return getBundle(type.getTextResourcesPackage() + ".FormatData", locale); 115 } 116 117 /** 118 * Gets a number format data resource bundle, using privileges 119 * to allow accessing a sun.* package. 120 */ 121 public ResourceBundle getNumberFormatData(Locale locale) { 122 return getBundle(type.getTextResourcesPackage() + ".FormatData", locale); 123 } 124 125 public static ResourceBundle getBundle(final String baseName, final Locale locale) { 126 return AccessController.doPrivileged(new PrivilegedAction<ResourceBundle>() { 127 @Override 128 public ResourceBundle run() { 129 return ResourceBundle. 130 getBundle(baseName, locale, 131 LocaleDataResourceBundleControl.getRBControlInstance()); 132 } 133 }); 134 } 135 136 private static class LocaleDataResourceBundleControl extends ResourceBundle.Control { 137 /* Singlton instance of ResourceBundle.Control. */ 138 private static LocaleDataResourceBundleControl rbControlInstance = 139 new LocaleDataResourceBundleControl(); 140 141 public static LocaleDataResourceBundleControl getRBControlInstance() { 142 return rbControlInstance; 143 } 144 145 /* 146 * This method overrides the default implementation to search 147 * from a prebaked locale string list to determin the candidate 148 * locale list. 149 * 150 * @param baseName the resource bundle base name. 151 * locale the requested locale for the resource bundle. 152 * @returns a list of candidate locales to search from. 153 * @exception NullPointerException if baseName or locale is null. 154 */ 155 @Override 156 public List<Locale> getCandidateLocales(String baseName, Locale locale) { 157 List<Locale> candidates = super.getCandidateLocales(baseName, locale); 158 /* Get the locale string list from LocaleDataMetaInfo class. */ 159 String localeString = LocaleDataMetaInfo.getSupportedLocaleString(baseName); 160 161 if (localeString != null && localeString.length() != 0) { 162 for (Iterator<Locale> l = candidates.iterator(); l.hasNext();) { 163 Locale loc = l.next(); 164 String lstr; 165 if (loc.getScript().length() > 0) { 166 lstr = loc.toLanguageTag().replace('-', '_'); 167 } else { 168 lstr = loc.toString(); 169 int idx = lstr.indexOf("_#"); 170 if (idx >= 0) { 171 lstr = lstr.substring(0, idx); 172 } 173 } 174 /* Every locale string in the locale string list returned from 175 the above getSupportedLocaleString is enclosed 176 within two white spaces so that we could check some locale 177 such as "en". 178 */ 179 if (lstr.length() != 0 && localeString.indexOf(" " + lstr + " ") == -1) { 180 l.remove(); 181 } 182 } 183 } 184 // Force fallback to Locale.ENGLISH for CLDR time zone names support 185 if (locale.getLanguage() != "en" 186 && baseName.contains(CLDR) && baseName.endsWith("TimeZoneNames")) { 187 candidates.add(candidates.size() - 1, Locale.ENGLISH); 188 } 189 return candidates; 190 } 191 192 /* 193 * Overrides "getFallbackLocale" to return null so 194 * that the fallback locale will be null. 195 * @param baseName the resource bundle base name. 196 * locale the requested locale for the resource bundle. 197 * @return null for the fallback locale. 198 * @exception NullPointerException if baseName or locale is null. 199 */ 200 @Override 201 public Locale getFallbackLocale(String baseName, Locale locale) { 202 if (baseName == null || locale == null) { 203 throw new NullPointerException(); 204 } 205 return null; 206 } 207 208 private static final String CLDR = ".cldr"; 209 210 /** 211 * Changes baseName to its per-language package name and 212 * calls the super class implementation. For example, 213 * if the baseName is "sun.text.resources.FormatData" and locale is ja_JP, 214 * the baseName is changed to "sun.text.resources.ja.FormatData". If 215 * baseName contains "cldr", such as "sun.text.resources.cldr.FormatData", 216 * the name is changed to "sun.text.resources.cldr.jp.FormatData". 217 */ 218 @Override 219 public String toBundleName(String baseName, Locale locale) { 220 String newBaseName = baseName; 221 String lang = locale.getLanguage(); 222 if (lang.length() > 0) { 223 if (baseName.startsWith(JRE.getUtilResourcesPackage()) 224 || baseName.startsWith(JRE.getTextResourcesPackage())) { 225 // Assume the lengths are the same. 226 assert JRE.getUtilResourcesPackage().length() 227 == JRE.getTextResourcesPackage().length(); 228 int index = JRE.getUtilResourcesPackage().length(); 229 if (baseName.indexOf(CLDR, index) > 0) { 230 index += CLDR.length(); 231 } 232 newBaseName = baseName.substring(0, index + 1) + lang 233 + baseName.substring(index); 234 } 235 } 236 return super.toBundleName(newBaseName, locale); 237 } 238 239 } 240 }