1 /* 2 * Copyright (c) 1999, 2012, 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 package sun.util.locale.provider; 27 28 import java.text.DecimalFormatSymbols; 29 import java.text.spi.DecimalFormatSymbolsProvider; 30 import java.util.Locale; 31 import java.util.Set; 32 33 /** 34 * Concrete implementation of the {@link java.text.spi.DecimalFormatSymbolsProvider 35 * DecimalFormatSymbolsProvider} class for the JRE LocaleProviderAdapter. 36 * 37 * @author Naoto Sato 38 * @author Masayoshi Okutsu 39 */ 40 public class DecimalFormatSymbolsProviderImpl extends DecimalFormatSymbolsProvider implements AvailableLanguageTags { 41 private final LocaleProviderAdapter.Type type; 42 private final Set<String> langtags; 43 44 public DecimalFormatSymbolsProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) { 45 this.type = type; 46 this.langtags = langtags; 47 } 48 49 /** 50 * Returns an array of all locales for which this locale service provider 51 * can provide localized objects or names. 52 * 53 * @return An array of all locales for which this locale service provider 54 * can provide localized objects or names. 55 */ 56 @Override 57 public Locale[] getAvailableLocales() { 58 return LocaleProviderAdapter.toLocaleArray(langtags); 59 } 60 61 @Override 62 public boolean isSupportedLocale(Locale locale) { 63 return LocaleProviderAdapter.forType(type).isSupportedProviderLocale(locale, langtags); 64 } 65 66 /** 67 * Returns a new <code>DecimalFormatSymbols</code> instance for the 68 * specified locale. 69 * 70 * @param locale the desired locale 71 * @exception NullPointerException if <code>locale</code> is null 72 * @exception IllegalArgumentException if <code>locale</code> isn't 73 * one of the locales returned from 74 * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() 75 * getAvailableLocales()}. 76 * @return a <code>DecimalFormatSymbols</code> instance. 77 * @see java.text.DecimalFormatSymbols#getInstance(java.util.Locale) 78 */ 79 @Override 80 public DecimalFormatSymbols getInstance(Locale locale) { 81 if (locale == null) { 82 throw new NullPointerException(); 83 } 84 85 return new DecimalFormatSymbols(locale); 86 } 87 88 @Override 89 public Set<String> getAvailableLanguageTags() { 90 return langtags; 91 } 92 }