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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package com.bar; 25 26 import com.foobar.Utils; 27 import java.util.Arrays; 28 import static java.util.Calendar.*; 29 import java.util.HashMap; 30 import java.util.Locale; 31 import java.util.Map; 32 import java.util.spi.CalendarNameProvider; 33 34 public class CalendarNameProviderImpl extends CalendarNameProvider { 35 static final char FULLWIDTH_ZERO = '\uff10'; 36 static final Locale[] avail = { 37 new Locale("ja", "JP", "kids"), 38 }; 39 40 @Override getDisplayName(String calendarType, int field, int value, int style, Locale locale)41 public String getDisplayName(String calendarType, int field, int value, int style, Locale locale) { 42 if (calendarType == null || locale == null) { 43 throw new NullPointerException(); 44 } 45 if (!Utils.supportsLocale(Arrays.asList(avail), locale)) { 46 throw new IllegalArgumentException("locale is not one of available locales: "+ locale); 47 } 48 if (field != MONTH) { 49 return null; 50 } 51 return toMonthName(value + 1, style); 52 } 53 54 @Override getDisplayNames(String calendarType, int field, int style, Locale locale)55 public Map<String, Integer> getDisplayNames(String calendarType, int field, int style, Locale locale) { 56 if (calendarType == null || locale == null) { 57 throw new NullPointerException(); 58 } 59 if (!Utils.supportsLocale(Arrays.asList(avail), locale)) { 60 throw new IllegalArgumentException("locale is not one of available locales: " + locale); 61 } 62 if (field != MONTH) { 63 return null; 64 } 65 Map<String, Integer> map = new HashMap<>(); 66 if (style == LONG_STANDALONE) { 67 style = LONG; 68 } else if (style == SHORT_STANDALONE) { 69 style = SHORT; 70 } 71 for (int month = JANUARY; month <= DECEMBER; month++) { 72 if (style == ALL_STYLES || style == LONG) { 73 map.put(toMonthName(month + 1, LONG), month); 74 } 75 if (style == ALL_STYLES || style == SHORT) { 76 map.put(toMonthName(month + 1, SHORT), month); 77 } 78 } 79 return map; 80 } 81 82 @Override getAvailableLocales()83 public Locale[] getAvailableLocales() { 84 return avail.clone(); 85 } 86 87 // month is 1-based. toMonthName(int month, int style)88 public static String toMonthName(int month, int style) { 89 StringBuilder sb = new StringBuilder(); 90 if (month >= 10) { 91 sb.append((char)(FULLWIDTH_ZERO + 1)); 92 sb.appendCodePoint((char)(FULLWIDTH_ZERO + (month % 10))); 93 } else { 94 sb.appendCodePoint((char)(FULLWIDTH_ZERO + month)); 95 } 96 if (style == SHORT || style == SHORT_STANDALONE) { 97 return sb.toString(); // full-width digit(s) 98 } 99 sb.append("\u304c\u3064"); // + "gatsu" in Hiragana 100 return sb.toString(); 101 } 102 } 103