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| 1 | /* | ||
| 2 | * Copyright (c) 1996, 2011, 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.io.File; | ||
| 44 | import java.security.AccessController; | ||
| 45 | import java.security.PrivilegedAction; | ||
| 46 | import java.util.Iterator; | ||
| 47 | import java.util.List; | ||
| 48 | import java.util.Locale; | ||
| 49 | import java.util.ResourceBundle; | ||
| 50 | import java.util.StringTokenizer; | ||
| 51 | |||
| 52 | import sun.util.LocaleDataMetaInfo; | ||
| 53 | |||
| 54 | /** | ||
| 55 | * Provides information about and access to resource bundles in the | ||
| 56 | * sun.text.resources and sun.util.resources package. | ||
| 57 | * | ||
| 58 | * @author Asmus Freytag | ||
| 59 | * @author Mark Davis | ||
| 60 | */ | ||
| 61 | |||
| 62 | public class LocaleData { | ||
| 63 | |||
| 64 | private static final String localeDataJarName = "localedata.jar"; | ||
| 65 | |||
| 66 | /** | ||
| 67 | * Lazy load available locales. | ||
| 68 | */ | ||
| 69 | private static class AvailableLocales { | ||
| 70 | static final Locale[] localeList = createLocaleList(); | ||
| 71 | } | ||
| 72 | |||
| 73 | /** | ||
| 74 | * Returns a list of the installed locales. Currently, this simply returns | ||
| 75 | * the list of locales for which a sun.text.resources.FormatData bundle | ||
| 76 | * exists. This bundle family happens to be the one with the broadest | ||
| 77 | * locale coverage in the JRE. | ||
| 78 | */ | ||
| 79 | public static Locale[] getAvailableLocales() { | ||
| 80 | return AvailableLocales.localeList.clone(); | ||
| 81 | } | ||
| 82 | |||
| 83 | /** | ||
| 84 | * Gets a calendar data resource bundle, using privileges | ||
| 85 | * to allow accessing a sun.* package. | ||
| 86 | */ | ||
| 87 | public static ResourceBundle getCalendarData(Locale locale) { | ||
| 88 | return getBundle("sun.util.resources.CalendarData", locale); | ||
| 89 | } | ||
| 90 | |||
| 91 | /** | ||
| 92 | * Gets a currency names resource bundle, using privileges | ||
| 93 | * to allow accessing a sun.* package. | ||
| 94 | */ | ||
| 95 | public static OpenListResourceBundle getCurrencyNames(Locale locale) { | ||
| 96 | return (OpenListResourceBundle)getBundle("sun.util.resources.CurrencyNames", locale); | ||
| 97 | } | ||
| 98 | |||
| 99 | /** | ||
| 100 | * Gets a locale names resource bundle, using privileges | ||
| 101 | * to allow accessing a sun.* package. | ||
| 102 | */ | ||
| 103 | public static OpenListResourceBundle getLocaleNames(Locale locale) { | ||
| 104 | return (OpenListResourceBundle)getBundle("sun.util.resources.LocaleNames", locale); | ||
| 105 | } | ||
| 106 | |||
| 107 | /** | ||
| 108 | * Gets a time zone names resource bundle, using privileges | ||
| 109 | * to allow accessing a sun.* package. | ||
| 110 | */ | ||
| 111 | public static OpenListResourceBundle getTimeZoneNames(Locale locale) { | ||
| 112 | return (OpenListResourceBundle)getBundle("sun.util.resources.TimeZoneNames", locale); | ||
| 113 | } | ||
| 114 | |||
| 115 | /** | ||
| 116 | * Gets a collation data resource bundle, using privileges | ||
| 117 | * to allow accessing a sun.* package. | ||
| 118 | */ | ||
| 119 | public static ResourceBundle getCollationData(Locale locale) { | ||
| 120 | return getBundle("sun.text.resources.CollationData", locale); | ||
| 121 | } | ||
| 122 | |||
| 123 | /** | ||
| 124 | * Gets a date format data resource bundle, using privileges | ||
| 125 | * to allow accessing a sun.* package. | ||
| 126 | */ | ||
| 127 | public static ResourceBundle getDateFormatData(Locale locale) { | ||
| 128 | return getBundle("sun.text.resources.FormatData", locale); | ||
| 129 | } | ||
| 130 | |||
| 131 | /** | ||
| 132 | * Gets a number format data resource bundle, using privileges | ||
| 133 | * to allow accessing a sun.* package. | ||
| 134 | */ | ||
| 135 | public static ResourceBundle getNumberFormatData(Locale locale) { | ||
| 136 | return getBundle("sun.text.resources.FormatData", locale); | ||
| 137 | } | ||
| 138 | |||
| 139 | private static ResourceBundle getBundle(final String baseName, final Locale locale) { | ||
| 140 | return (ResourceBundle) AccessController.doPrivileged(new PrivilegedAction() { | ||
| 141 | public Object run() { | ||
| 142 | return ResourceBundle. | ||
| 143 | getBundle(baseName, locale, | ||
| 144 | LocaleDataResourceBundleControl.getRBControlInstance()); | ||
| 145 | } | ||
| 146 | }); | ||
| 147 | } | ||
| 148 | |||
| 149 | static class LocaleDataResourceBundleControl extends ResourceBundle.Control { | ||
| 150 | /* Singlton instance of ResourceBundle.Control. */ | ||
| 151 | private static LocaleDataResourceBundleControl rbControlInstance = | ||
| 152 | new LocaleDataResourceBundleControl(); | ||
| 153 | |||
| 154 | public static LocaleDataResourceBundleControl getRBControlInstance() { | ||
| 155 | return rbControlInstance; | ||
| 156 | } | ||
| 157 | |||
| 158 | /* | ||
| 159 | * This method overrides the default implementation to search | ||
| 160 | * from a prebaked locale string list to determin the candidate | ||
| 161 | * locale list. | ||
| 162 | * | ||
| 163 | * @param baseName the resource bundle base name. | ||
| 164 | * locale the requested locale for the resource bundle. | ||
| 165 | * @returns a list of candidate locales to search from. | ||
| 166 | * @exception NullPointerException if baseName or locale is null. | ||
| 167 | */ | ||
| 168 | @Override | ||
| 169 | public List<Locale> getCandidateLocales(String baseName, Locale locale) { | ||
| 170 | List<Locale> candidates = super.getCandidateLocales(baseName, locale); | ||
| 171 | /* Get the locale string list from LocaleDataMetaInfo class. */ | ||
| 172 | String localeString = LocaleDataMetaInfo.getSupportedLocaleString(baseName); | ||
| 173 | |||
| 174 | if (localeString.length() == 0) { | ||
| 175 | return candidates; | ||
| 176 | } | ||
| 177 | |||
| 178 | for (Iterator<Locale> l = candidates.iterator(); l.hasNext(); ) { | ||
| 179 | Locale loc = l.next(); | ||
| 180 | String lstr = null; | ||
| 181 | if (loc.getScript().length() > 0) { | ||
| 182 | lstr = loc.toLanguageTag().replace('-', '_'); | ||
| 183 | } else { | ||
| 184 | lstr = loc.toString(); | ||
| 185 | int idx = lstr.indexOf("_#"); | ||
| 186 | if (idx >= 0) { | ||
| 187 | lstr = lstr.substring(0, idx); | ||
| 188 | } | ||
| 189 | } | ||
| 190 | /* Every locale string in the locale string list returned from | ||
| 191 | the above getSupportedLocaleString is enclosed | ||
| 192 | within two white spaces so that we could check some locale | ||
| 193 | such as "en". | ||
| 194 | */ | ||
| 195 | if (lstr.length() != 0 && localeString.indexOf(" " + lstr + " ") == -1) { | ||
| 196 | l.remove(); | ||
| 197 | } | ||
| 198 | } | ||
| 199 | return candidates; | ||
| 200 | } | ||
| 201 | |||
| 202 | /* | ||
| 203 | * Overrides "getFallbackLocale" to return null so | ||
| 204 | * that the fallback locale will be null. | ||
| 205 | * @param baseName the resource bundle base name. | ||
| 206 | * locale the requested locale for the resource bundle. | ||
| 207 | * @return null for the fallback locale. | ||
| 208 | * @exception NullPointerException if baseName or locale is null. | ||
| 209 | */ | ||
| 210 | @Override | ||
| 211 | public Locale getFallbackLocale(String baseName, Locale locale) { | ||
| 212 | if (baseName == null || locale == null) { | ||
| 213 | throw new NullPointerException(); | ||
| 214 | } | ||
| 215 | return null; | ||
| 216 | } | ||
| 217 | } | ||
| 218 | |||
| 219 | /* | ||
| 220 | * Returns true if the non European resources jar file exists in jre | ||
| 221 | * extension directory. | ||
| 222 | * @returns true if the jar file is there. Otherwise, returns false. | ||
| 223 | */ | ||
| 224 | private static boolean isNonEuroLangSupported() { | ||
| 225 | final String sep = File.separator; | ||
| 226 | String localeDataJar = | ||
| 227 | java.security.AccessController.doPrivileged( | ||
| 228 | new sun.security.action.GetPropertyAction("java.home")) + | ||
| 229 | sep + "lib" + sep + "ext" + sep + localeDataJarName; | ||
| 230 | |||
| 231 | /* Peek at the installed extension directory to see if | ||
| 232 | localedata.jar is installed or not. | ||
| 233 | */ | ||
| 234 | final File f = new File(localeDataJar); | ||
| 235 | boolean isNonEuroResJarExist = | ||
| 236 | AccessController.doPrivileged(new PrivilegedAction<Boolean>() { | ||
| 237 | public Boolean run() { | ||
| 238 | return Boolean.valueOf(f.exists()); | ||
| 239 | } | ||
| 240 | }).booleanValue(); | ||
| 241 | |||
| 242 | return isNonEuroResJarExist; | ||
| 243 | } | ||
| 244 | |||
| 245 | /* | ||
| 246 | * This method gets the locale string list from LocaleDataMetaInfo class and | ||
| 247 | * then contructs the Locale array based on the locale string returned above. | ||
| 248 | * @returns the Locale array for the supported locale of JRE. | ||
| 249 | * | ||
| 250 | */ | ||
| 251 | private static Locale[] createLocaleList() { | ||
| 252 | String supportedLocaleString = LocaleDataMetaInfo. | ||
| 253 | getSupportedLocaleString("sun.text.resources.FormatData"); | ||
| 254 | |||
| 255 | if (supportedLocaleString.length() == 0) { | ||
| 256 | return null; | ||
| 257 | } | ||
| 258 | |||
| 259 | /* Look for "|" and construct a new locale string list. */ | ||
| 260 | int barIndex = supportedLocaleString.indexOf("|"); | ||
| 261 | StringTokenizer localeStringTokenizer = null; | ||
| 262 | if (isNonEuroLangSupported()) { | ||
| 263 | localeStringTokenizer = new | ||
| 264 | StringTokenizer(supportedLocaleString.substring(0, barIndex) + | ||
| 265 | supportedLocaleString.substring(barIndex + 1)); | ||
| 266 | } else { | ||
| 267 | localeStringTokenizer = new | ||
| 268 | StringTokenizer(supportedLocaleString.substring(0, barIndex)); | ||
| 269 | } | ||
| 270 | |||
| 271 | Locale[] locales = new Locale[localeStringTokenizer.countTokens()]; | ||
| 272 | for (int i = 0; i < locales.length; i++) { | ||
| 273 | String currentToken = localeStringTokenizer.nextToken().replace('_','-'); | ||
| 274 | if (currentToken.equals("ja-JP-JP")) { | ||
| 275 | currentToken = "ja-JP-u-ca-japanese-x-lvariant-JP"; | ||
| 276 | } else if (currentToken.equals("th-TH-TH")) { | ||
| 277 | currentToken = "th-TH-u-nu-thai-x-lvariant-TH"; | ||
| 278 | } else if (currentToken.equals("no-NO-NY")) { | ||
| 279 | currentToken = "no-NO-x-lvariant-NY"; | ||
| 280 | } | ||
| 281 | locales[i] = Locale.forLanguageTag(currentToken); | ||
| 282 | } | ||
| 283 | return locales; | ||
| 284 | } | ||
| 285 | |||
| 286 | } | ||