< prev index next >

src/java.base/share/classes/sun/util/locale/provider/CalendarDataUtility.java

Print this page
rev 47733 : 8176841: Additional Unicode Language-Tag Extensions
8189134: New system properties for the default Locale extensions
Reviewed-by:
   1 /*
   2  * Copyright (c) 2012, 2013, 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 static java.util.Calendar.*;
  29 import java.util.Locale;
  30 import java.util.Map;

  31 import java.util.spi.CalendarDataProvider;
  32 import java.util.spi.CalendarNameProvider;
  33 
  34 /**
  35  * {@code CalendarDataUtility} is a utility class for calling the
  36  * {@link CalendarDataProvider} methods.
  37  *
  38  * @author Masayoshi Okutsu
  39  * @author Naoto Sato
  40  */
  41 public class CalendarDataUtility {
  42     public static final String FIRST_DAY_OF_WEEK = "firstDayOfWeek";
  43     public static final String MINIMAL_DAYS_IN_FIRST_WEEK = "minimalDaysInFirstWeek";
  44 
  45     // No instantiation
  46     private CalendarDataUtility() {
  47     }
  48 
  49     public static int retrieveFirstDayOfWeek(Locale locale) {























  50         LocaleServiceProviderPool pool =
  51                 LocaleServiceProviderPool.getPool(CalendarDataProvider.class);
  52         Integer value = pool.getLocalizedObject(CalendarWeekParameterGetter.INSTANCE,
  53                                                 locale, true, FIRST_DAY_OF_WEEK);

  54         return (value != null && (value >= SUNDAY && value <= SATURDAY)) ? value : SUNDAY;
  55     }
  56 
  57     public static int retrieveMinimalDaysInFirstWeek(Locale locale) {
  58         LocaleServiceProviderPool pool =
  59                 LocaleServiceProviderPool.getPool(CalendarDataProvider.class);
  60         Integer value = pool.getLocalizedObject(CalendarWeekParameterGetter.INSTANCE,
  61                                                 locale, true, MINIMAL_DAYS_IN_FIRST_WEEK);

  62         return (value != null && (value >= 1 && value <= 7)) ? value : 1;
  63     }
  64 
  65     public static String retrieveFieldValueName(String id, int field, int value, int style, Locale locale) {
  66         LocaleServiceProviderPool pool =
  67                 LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
  68         return pool.getLocalizedObject(CalendarFieldValueNameGetter.INSTANCE, locale, normalizeCalendarType(id),
  69                                        field, value, style, false);
  70     }
  71 
  72     public static String retrieveJavaTimeFieldValueName(String id, int field, int value, int style, Locale locale) {
  73         LocaleServiceProviderPool pool =
  74                 LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
  75         String name;
  76         name = pool.getLocalizedObject(CalendarFieldValueNameGetter.INSTANCE, locale, normalizeCalendarType(id),
  77                                        field, value, style, true);
  78         if (name == null) {
  79             name = pool.getLocalizedObject(CalendarFieldValueNameGetter.INSTANCE, locale, normalizeCalendarType(id),
  80                                            field, value, style, false);
  81         }


  85     public static Map<String, Integer> retrieveFieldValueNames(String id, int field, int style, Locale locale) {
  86         LocaleServiceProviderPool pool =
  87             LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
  88         return pool.getLocalizedObject(CalendarFieldValueNamesMapGetter.INSTANCE, locale,
  89                                        normalizeCalendarType(id), field, style, false);
  90     }
  91 
  92     public static Map<String, Integer> retrieveJavaTimeFieldValueNames(String id, int field, int style, Locale locale) {
  93         LocaleServiceProviderPool pool =
  94             LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
  95         Map<String, Integer> map;
  96         map = pool.getLocalizedObject(CalendarFieldValueNamesMapGetter.INSTANCE, locale,
  97                                        normalizeCalendarType(id), field, style, true);
  98         if (map == null) {
  99             map = pool.getLocalizedObject(CalendarFieldValueNamesMapGetter.INSTANCE, locale,
 100                                            normalizeCalendarType(id), field, style, false);
 101         }
 102         return map;
 103     }
 104 

























 105     static String normalizeCalendarType(String requestID) {
 106         String type;
 107         if (requestID.equals("gregorian") || requestID.equals("iso8601")) {
 108             type = "gregory";
 109         } else if (requestID.startsWith("islamic")) {
 110             type = "islamic";
 111         } else {
 112             type = requestID;
 113         }
 114         return type;
 115     }
 116 
 117     /**
 118      * Obtains a localized field value string from a CalendarDataProvider
 119      * implementation.
 120      */
 121     private static class CalendarFieldValueNameGetter
 122         implements LocaleServiceProviderPool.LocalizedObjectGetter<CalendarNameProvider,
 123                                                                    String> {
 124         private static final CalendarFieldValueNameGetter INSTANCE =


   1 /*
   2  * Copyright (c) 2012, 2017, 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 static java.util.Calendar.*;
  29 import java.util.Locale;
  30 import java.util.Map;
  31 import java.util.Optional;
  32 import java.util.spi.CalendarDataProvider;
  33 import java.util.spi.CalendarNameProvider;
  34 
  35 /**
  36  * {@code CalendarDataUtility} is a utility class for calling the
  37  * {@link CalendarDataProvider} methods.
  38  *
  39  * @author Masayoshi Okutsu
  40  * @author Naoto Sato
  41  */
  42 public class CalendarDataUtility {
  43     public static final String FIRST_DAY_OF_WEEK = "firstDayOfWeek";
  44     public static final String MINIMAL_DAYS_IN_FIRST_WEEK = "minimalDaysInFirstWeek";
  45 
  46     // No instantiation
  47     private CalendarDataUtility() {
  48     }
  49 
  50     public static int retrieveFirstDayOfWeek(Locale locale) {
  51         // Look for the Unicode Extension in the locale parameter
  52         if (locale.hasExtensions()) {
  53             String fw = locale.getUnicodeLocaleType("fw");
  54             if (fw != null) {
  55                 switch (fw.toLowerCase(Locale.ROOT)) {
  56                     case "mon":
  57                         return MONDAY;
  58                     case "tue":
  59                         return TUESDAY;
  60                     case "wed":
  61                         return WEDNESDAY;
  62                     case "thu":
  63                         return THURSDAY;
  64                     case "fri":
  65                         return FRIDAY;
  66                     case "sat":
  67                         return SATURDAY;
  68                     case "sun":
  69                         return SUNDAY;
  70                 }
  71             }
  72         }
  73 
  74         LocaleServiceProviderPool pool =
  75                 LocaleServiceProviderPool.getPool(CalendarDataProvider.class);
  76         Integer value = pool.getLocalizedObject(CalendarWeekParameterGetter.INSTANCE,
  77                                                 findRegionOverride(locale).orElse(locale),
  78                                                 true, FIRST_DAY_OF_WEEK);
  79         return (value != null && (value >= SUNDAY && value <= SATURDAY)) ? value : SUNDAY;
  80     }
  81 
  82     public static int retrieveMinimalDaysInFirstWeek(Locale locale) {
  83         LocaleServiceProviderPool pool =
  84                 LocaleServiceProviderPool.getPool(CalendarDataProvider.class);
  85         Integer value = pool.getLocalizedObject(CalendarWeekParameterGetter.INSTANCE,
  86                                                 findRegionOverride(locale).orElse(locale),
  87                                                 true, MINIMAL_DAYS_IN_FIRST_WEEK);
  88         return (value != null && (value >= 1 && value <= 7)) ? value : 1;
  89     }
  90 
  91     public static String retrieveFieldValueName(String id, int field, int value, int style, Locale locale) {
  92         LocaleServiceProviderPool pool =
  93                 LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
  94         return pool.getLocalizedObject(CalendarFieldValueNameGetter.INSTANCE, locale, normalizeCalendarType(id),
  95                                        field, value, style, false);
  96     }
  97 
  98     public static String retrieveJavaTimeFieldValueName(String id, int field, int value, int style, Locale locale) {
  99         LocaleServiceProviderPool pool =
 100                 LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
 101         String name;
 102         name = pool.getLocalizedObject(CalendarFieldValueNameGetter.INSTANCE, locale, normalizeCalendarType(id),
 103                                        field, value, style, true);
 104         if (name == null) {
 105             name = pool.getLocalizedObject(CalendarFieldValueNameGetter.INSTANCE, locale, normalizeCalendarType(id),
 106                                            field, value, style, false);
 107         }


 111     public static Map<String, Integer> retrieveFieldValueNames(String id, int field, int style, Locale locale) {
 112         LocaleServiceProviderPool pool =
 113             LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
 114         return pool.getLocalizedObject(CalendarFieldValueNamesMapGetter.INSTANCE, locale,
 115                                        normalizeCalendarType(id), field, style, false);
 116     }
 117 
 118     public static Map<String, Integer> retrieveJavaTimeFieldValueNames(String id, int field, int style, Locale locale) {
 119         LocaleServiceProviderPool pool =
 120             LocaleServiceProviderPool.getPool(CalendarNameProvider.class);
 121         Map<String, Integer> map;
 122         map = pool.getLocalizedObject(CalendarFieldValueNamesMapGetter.INSTANCE, locale,
 123                                        normalizeCalendarType(id), field, style, true);
 124         if (map == null) {
 125             map = pool.getLocalizedObject(CalendarFieldValueNamesMapGetter.INSTANCE, locale,
 126                                            normalizeCalendarType(id), field, style, false);
 127         }
 128         return map;
 129     }
 130 
 131     /**
 132      * Utility to look for a region override extension
 133      */
 134     public static Optional<Locale> findRegionOverride(Locale l) {
 135         String rg = l.getUnicodeLocaleType("rg");
 136         Locale override = null;
 137 
 138         if (rg != null && rg.length() == 6) {
 139             // UN M.49 code should not be allowed here
 140             // cannot use regex here, as it could be a recursive call
 141             rg = rg.toUpperCase(Locale.ROOT);
 142             if (rg.charAt(0) >= 0x0041 &&
 143                 rg.charAt(0) <= 0x005A &&
 144                 rg.charAt(1) >= 0x0041 &&
 145                 rg.charAt(1) <= 0x005A &&
 146                 rg.substring(2).equals("ZZZZ")) {
 147                 override = new Locale.Builder().setLocale(l)
 148                     .setRegion(rg.substring(0, 2))
 149                     .build();
 150             }
 151         }
 152 
 153         return Optional.ofNullable(override);
 154     }
 155 
 156     static String normalizeCalendarType(String requestID) {
 157         String type;
 158         if (requestID.equals("gregorian") || requestID.equals("iso8601")) {
 159             type = "gregory";
 160         } else if (requestID.startsWith("islamic")) {
 161             type = "islamic";
 162         } else {
 163             type = requestID;
 164         }
 165         return type;
 166     }
 167 
 168     /**
 169      * Obtains a localized field value string from a CalendarDataProvider
 170      * implementation.
 171      */
 172     private static class CalendarFieldValueNameGetter
 173         implements LocaleServiceProviderPool.LocalizedObjectGetter<CalendarNameProvider,
 174                                                                    String> {
 175         private static final CalendarFieldValueNameGetter INSTANCE =


< prev index next >