| /* |
| * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved |
| * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved |
| * |
| * The original version of this source code and documentation |
| * is copyrighted and owned by Taligent, Inc., a wholly-owned |
| * subsidiary of IBM. These materials are provided under terms |
| * of a License Agreement between Taligent and Sun. This technology |
| * is protected by multiple US and International patents. |
| * |
| * This notice and attribution to Taligent may not be removed. |
| * Taligent is a registered trademark of Taligent, Inc. |
| * |
| */ |
| |
| package sun.util.resources; |
| |
| import java.io.File; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.ResourceBundle; |
| import java.util.StringTokenizer; |
| |
| import sun.util.LocaleDataMetaInfo; |
| |
| /** |
| * Provides information about and access to resource bundles in the |
| * sun.text.resources and sun.util.resources package. |
| * |
| * @author Asmus Freytag |
| * @author Mark Davis |
| */ |
| |
| public class LocaleData { |
| |
| private static final String localeDataJarName = "localedata.jar"; |
| |
| /** |
| * Lazy load available locales. |
| */ |
| private static class AvailableLocales { |
| static final Locale[] localeList = createLocaleList(); |
| } |
| |
| /** |
| * Returns a list of the installed locales. Currently, this simply returns |
| * the list of locales for which a sun.text.resources.FormatData bundle |
| * exists. This bundle family happens to be the one with the broadest |
| * locale coverage in the JRE. |
| */ |
| public static Locale[] getAvailableLocales() { |
| return AvailableLocales.localeList.clone(); |
| } |
| |
| /** |
| * Gets a calendar data resource bundle, using privileges |
| * to allow accessing a sun.* package. |
| */ |
| public static ResourceBundle getCalendarData(Locale locale) { |
| return getBundle("sun.util.resources.CalendarData", locale); |
| } |
| |
| /** |
| * Gets a currency names resource bundle, using privileges |
| * to allow accessing a sun.* package. |
| */ |
| public static OpenListResourceBundle getCurrencyNames(Locale locale) { |
| return (OpenListResourceBundle)getBundle("sun.util.resources.CurrencyNames", locale); |
| } |
| |
| /** |
| * Gets a locale names resource bundle, using privileges |
| * to allow accessing a sun.* package. |
| */ |
| public static OpenListResourceBundle getLocaleNames(Locale locale) { |
| return (OpenListResourceBundle)getBundle("sun.util.resources.LocaleNames", locale); |
| } |
| |
| /** |
| * Gets a time zone names resource bundle, using privileges |
| * to allow accessing a sun.* package. |
| */ |
| public static OpenListResourceBundle getTimeZoneNames(Locale locale) { |
| return (OpenListResourceBundle)getBundle("sun.util.resources.TimeZoneNames", locale); |
| } |
| |
| /** |
| * Gets a collation data resource bundle, using privileges |
| * to allow accessing a sun.* package. |
| */ |
| public static ResourceBundle getCollationData(Locale locale) { |
| return getBundle("sun.text.resources.CollationData", locale); |
| } |
| |
| /** |
| * Gets a date format data resource bundle, using privileges |
| * to allow accessing a sun.* package. |
| */ |
| public static ResourceBundle getDateFormatData(Locale locale) { |
| return getBundle("sun.text.resources.FormatData", locale); |
| } |
| |
| /** |
| * Gets a number format data resource bundle, using privileges |
| * to allow accessing a sun.* package. |
| */ |
| public static ResourceBundle getNumberFormatData(Locale locale) { |
| return getBundle("sun.text.resources.FormatData", locale); |
| } |
| |
| private static ResourceBundle getBundle(final String baseName, final Locale locale) { |
| return AccessController.doPrivileged(new PrivilegedAction<ResourceBundle>() { |
| public ResourceBundle run() { |
| return ResourceBundle. |
| getBundle(baseName, locale, |
| LocaleDataResourceBundleControl.getRBControlInstance()); |
| } |
| }); |
| } |
| |
| static class LocaleDataResourceBundleControl extends ResourceBundle.Control { |
| /* Singlton instance of ResourceBundle.Control. */ |
| private static LocaleDataResourceBundleControl rbControlInstance = |
| new LocaleDataResourceBundleControl(); |
| |
| public static LocaleDataResourceBundleControl getRBControlInstance() { |
| return rbControlInstance; |
| } |
| |
| /* |
| * This method overrides the default implementation to search |
| * from a prebaked locale string list to determin the candidate |
| * locale list. |
| * |
| * @param baseName the resource bundle base name. |
| * locale the requested locale for the resource bundle. |
| * @returns a list of candidate locales to search from. |
| * @exception NullPointerException if baseName or locale is null. |
| */ |
| @Override |
| public List<Locale> getCandidateLocales(String baseName, Locale locale) { |
| List<Locale> candidates = super.getCandidateLocales(baseName, locale); |
| /* Get the locale string list from LocaleDataMetaInfo class. */ |
| String localeString = LocaleDataMetaInfo.getSupportedLocaleString(baseName); |
| |
| if (localeString.length() == 0) { |
| return candidates; |
| } |
| |
| for (Iterator<Locale> l = candidates.iterator(); l.hasNext(); ) { |
| Locale loc = l.next(); |
| String lstr = null; |
| if (loc.getScript().length() > 0) { |
| lstr = loc.toLanguageTag().replace('-', '_'); |
| } else { |
| lstr = loc.toString(); |
| int idx = lstr.indexOf("_#"); |
| if (idx >= 0) { |
| lstr = lstr.substring(0, idx); |
| } |
| } |
| /* Every locale string in the locale string list returned from |
| the above getSupportedLocaleString is enclosed |
| within two white spaces so that we could check some locale |
| such as "en". |
| */ |
| if (lstr.length() != 0 && localeString.indexOf(" " + lstr + " ") == -1) { |
| l.remove(); |
| } |
| } |
| return candidates; |
| } |
| |
| /* |
| * Overrides "getFallbackLocale" to return null so |
| * that the fallback locale will be null. |
| * @param baseName the resource bundle base name. |
| * locale the requested locale for the resource bundle. |
| * @return null for the fallback locale. |
| * @exception NullPointerException if baseName or locale is null. |
| */ |
| @Override |
| public Locale getFallbackLocale(String baseName, Locale locale) { |
| if (baseName == null || locale == null) { |
| throw new NullPointerException(); |
| } |
| return null; |
| } |
| } |
| |
| /* |
| * Returns true if the non European resources jar file exists in jre |
| * extension directory. |
| * @returns true if the jar file is there. Otherwise, returns false. |
| */ |
| private static boolean isNonEuroLangSupported() { |
| final String sep = File.separator; |
| String localeDataJar = |
| java.security.AccessController.doPrivileged( |
| new sun.security.action.GetPropertyAction("java.home")) + |
| sep + "lib" + sep + "ext" + sep + localeDataJarName; |
| |
| /* Peek at the installed extension directory to see if |
| localedata.jar is installed or not. |
| */ |
| final File f = new File(localeDataJar); |
| boolean isNonEuroResJarExist = |
| AccessController.doPrivileged(new PrivilegedAction<Boolean>() { |
| public Boolean run() { |
| return Boolean.valueOf(f.exists()); |
| } |
| }).booleanValue(); |
| |
| return isNonEuroResJarExist; |
| } |
| |
| /* |
| * This method gets the locale string list from LocaleDataMetaInfo class and |
| * then contructs the Locale array based on the locale string returned above. |
| * @returns the Locale array for the supported locale of JRE. |
| * |
| */ |
| private static Locale[] createLocaleList() { |
| String supportedLocaleString = LocaleDataMetaInfo. |
| getSupportedLocaleString("sun.text.resources.FormatData"); |
| |
| if (supportedLocaleString.length() == 0) { |
| return null; |
| } |
| |
| /* Look for "|" and construct a new locale string list. */ |
| int barIndex = supportedLocaleString.indexOf("|"); |
| StringTokenizer localeStringTokenizer = null; |
| if (isNonEuroLangSupported()) { |
| localeStringTokenizer = new |
| StringTokenizer(supportedLocaleString.substring(0, barIndex) + |
| supportedLocaleString.substring(barIndex + 1)); |
| } else { |
| localeStringTokenizer = new |
| StringTokenizer(supportedLocaleString.substring(0, barIndex)); |
| } |
| |
| Locale[] locales = new Locale[localeStringTokenizer.countTokens()]; |
| for (int i = 0; i < locales.length; i++) { |
| String currentToken = localeStringTokenizer.nextToken().replace('_','-'); |
| if (currentToken.equals("ja-JP-JP")) { |
| currentToken = "ja-JP-u-ca-japanese-x-lvariant-JP"; |
| } else if (currentToken.equals("th-TH-TH")) { |
| currentToken = "th-TH-u-nu-thai-x-lvariant-TH"; |
| } else if (currentToken.equals("no-NO-NY")) { |
| currentToken = "no-NO-x-lvariant-NY"; |
| } |
| locales[i] = Locale.forLanguageTag(currentToken); |
| } |
| return locales; |
| } |
| |
| } |