| /* |
| * Copyright (c) 1999, 2013, 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 - 2002 - 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.locale.provider; |
| |
| import java.text.Collator; |
| import java.text.ParseException; |
| import java.text.RuleBasedCollator; |
| import java.text.spi.CollatorProvider; |
| import java.util.Locale; |
| import java.util.Set; |
| |
| /** |
| * Concrete implementation of the |
| * {@link java.text.spi.CollatorProvider CollatorProvider} class |
| * for the JRE LocaleProviderAdapter. |
| */ |
| public class CollatorProviderImpl extends CollatorProvider implements AvailableLanguageTags { |
| private final LocaleProviderAdapter.Type type; |
| private final Set<String> langtags; |
| |
| public CollatorProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) { |
| this.type = type; |
| this.langtags = langtags; |
| } |
| |
| /** |
| * Returns an array of all locales for which this locale service provider |
| * can provide localized objects or names. |
| * |
| * @return An array of all locales for which this locale service provider |
| * can provide localized objects or names. |
| */ |
| @Override |
| public Locale[] getAvailableLocales() { |
| return LocaleProviderAdapter.toLocaleArray(langtags); |
| } |
| |
| @Override |
| public boolean isSupportedLocale(Locale locale) { |
| return LocaleProviderAdapter.forType(type).isSupportedProviderLocale(locale, langtags); |
| } |
| |
| /** |
| * Returns a new <code>Collator</code> instance for the specified locale. |
| * @param locale the desired locale. |
| * @return the <code>Collator</code> for the desired locale. |
| * @exception NullPointerException if |
| * <code>locale</code> is null |
| * @exception IllegalArgumentException if <code>locale</code> isn't |
| * one of the locales returned from |
| * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() |
| * getAvailableLocales()}. |
| * @see java.text.Collator#getInstance(java.util.Locale) |
| */ |
| @Override |
| public Collator getInstance(Locale locale) { |
| if (locale == null) { |
| throw new NullPointerException(); |
| } |
| |
| Collator result = null; |
| |
| // Load the resource of the desired locale from resource |
| // manager. |
| String colString = LocaleProviderAdapter.forType(type).getLocaleResources(locale).getCollationData(); |
| try |
| { |
| result = new RuleBasedCollator(CollationRules.DEFAULTRULES + |
| colString); |
| } |
| catch(ParseException foo) |
| { |
| // predefined tables should contain correct grammar |
| try { |
| result = new RuleBasedCollator(CollationRules.DEFAULTRULES); |
| } catch (ParseException bar) { |
| // the default rules should always be parsable. |
| throw new InternalError(bar); |
| } |
| } |
| // Now that RuleBasedCollator adds expansions for pre-composed characters |
| // into their decomposed equivalents, the default collators don't need |
| // to have decomposition turned on. Laura, 5/5/98, bug 4114077 |
| result.setDecomposition(Collator.NO_DECOMPOSITION); |
| |
| return (Collator)result.clone(); |
| } |
| |
| @Override |
| public Set<String> getAvailableLanguageTags() { |
| return langtags; |
| } |
| } |