1 /* 2 * Copyright (c) 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 package sun.util.locale.provider; 26 27 import java.util.Calendar; 28 import static java.util.Calendar.*; 29 import java.util.Locale; 30 import java.util.ResourceBundle; 31 import java.util.Set; 32 import java.util.spi.CalendarDataProvider; 33 34 /** 35 * Concrete implementation of the {@link java.util.spi.CalendarDataProvider 36 * CalendarDataProvider} class for the JRE LocaleProviderAdapter. 37 * 38 * @author Masayoshi Okutsu 39 * @author Naoto Sato 40 */ 41 public class CalendarDataProviderImpl extends CalendarDataProvider implements AvailableLanguageTags { 42 private final LocaleProviderAdapter.Type type; 43 private final Set<String> langtags; 44 45 public CalendarDataProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) { 46 this.type = type; 47 this.langtags = langtags; 48 } 49 50 @Override 51 public int getFirstDayOfWeek(Locale locale) { 52 return getIntData(CalendarDataUtility.FIRST_DAY_OF_WEEK, locale); 53 } 54 55 @Override 56 public int getMinimalDaysInFirstWeek(Locale locale) { 57 return getIntData(CalendarDataUtility.MINIMAL_DAYS_IN_FIRST_WEEK, locale); 58 } 59 60 @Override 61 public Locale[] getAvailableLocales() { 62 return LocaleProviderAdapter.toLocaleArray(langtags); 63 } 64 65 @Override 66 public Set<String> getAvailableLanguageTags() { 67 return langtags; 68 } 69 70 private int getIntData(String key, Locale locale) { 71 ResourceBundle rb = LocaleProviderAdapter.forType(type).getLocaleData().getCalendarData(locale); 72 if (rb.containsKey(key)) { 73 String firstday = rb.getString(key); 74 return Integer.parseInt(firstday); 75 } 76 return 0; 77 } 78 }