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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 | +} | |