| /* |
| * Copyright (c) 2012, 2015, 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. |
| */ |
| |
| package sun.util.cldr; |
| |
| import java.io.File; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.text.spi.BreakIteratorProvider; |
| import java.text.spi.CollatorProvider; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Locale; |
| import java.util.ResourceBundle; |
| import java.util.Set; |
| import java.util.StringTokenizer; |
| import java.util.spi.TimeZoneNameProvider; |
| import sun.util.locale.provider.JRELocaleProviderAdapter; |
| import sun.util.locale.provider.LocaleProviderAdapter; |
| |
| /** |
| * LocaleProviderAdapter implementation for the CLDR locale data. |
| * |
| * @author Masayoshi Okutsu |
| * @author Naoto Sato |
| */ |
| public class CLDRLocaleProviderAdapter extends JRELocaleProviderAdapter { |
| private static final String LOCALE_DATA_JAR_NAME = "cldrdata.jar"; |
| |
| public CLDRLocaleProviderAdapter() { |
| final String sep = File.separator; |
| String localeDataJar = java.security.AccessController.doPrivileged( |
| new sun.security.action.GetPropertyAction("java.home")) |
| + sep + "lib" + sep + "ext" + sep + LOCALE_DATA_JAR_NAME; |
| |
| // Peek at the installed extension directory to see if the jar file for |
| // CLDR resources is installed or not. |
| final File f = new File(localeDataJar); |
| boolean result = AccessController.doPrivileged( |
| new PrivilegedAction<Boolean>() { |
| @Override |
| public Boolean run() { |
| return f.exists(); |
| } |
| }); |
| if (!result) { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| /** |
| * Returns the type of this LocaleProviderAdapter |
| * @return the type of this |
| */ |
| @Override |
| public LocaleProviderAdapter.Type getAdapterType() { |
| return LocaleProviderAdapter.Type.CLDR; |
| } |
| |
| @Override |
| public BreakIteratorProvider getBreakIteratorProvider() { |
| return null; |
| } |
| |
| @Override |
| public CollatorProvider getCollatorProvider() { |
| return null; |
| } |
| |
| @Override |
| public Locale[] getAvailableLocales() { |
| Set<String> all = createLanguageTagSet("All"); |
| Locale[] locs = new Locale[all.size()]; |
| int index = 0; |
| for (String tag : all) { |
| locs[index++] = Locale.forLanguageTag(tag); |
| } |
| return locs; |
| } |
| |
| @Override |
| protected Set<String> createLanguageTagSet(String category) { |
| ResourceBundle rb = ResourceBundle.getBundle("sun.util.cldr.CLDRLocaleDataMetaInfo", Locale.ROOT); |
| String supportedLocaleString = rb.getString(category); |
| if (supportedLocaleString == null) { |
| return Collections.emptySet(); |
| } |
| Set<String> tagset = new HashSet<>(); |
| StringTokenizer tokens = new StringTokenizer(supportedLocaleString); |
| while (tokens.hasMoreTokens()) { |
| tagset.add(tokens.nextToken()); |
| } |
| return tagset; |
| } |
| } |