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

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rev 16588 : [mq]: 8173423
   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 package sun.util.locale.provider;
  26 
  27 import static java.util.Calendar.*;
  28 import java.util.Comparator;
  29 import java.util.Locale;
  30 import java.util.Map;
  31 import java.util.Set;
  32 import java.util.TreeMap;
  33 import java.util.spi.CalendarNameProvider;


  34 
  35 /**
  36  * Concrete implementation of the  {@link java.util.spi.CalendarDataProvider
  37  * CalendarDataProvider} class for the JRE LocaleProviderAdapter.
  38  *
  39  * @author Masayoshi Okutsu
  40  * @author Naoto Sato
  41  */
  42 public class CalendarNameProviderImpl extends CalendarNameProvider implements AvailableLanguageTags {
  43     private final LocaleProviderAdapter.Type type;
  44     private final Set<String> langtags;
  45 
  46     public CalendarNameProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
  47         this.type = type;
  48         this.langtags = langtags;
  49     }
  50 
  51     @Override
  52     public String getDisplayName(String calendarType, int field, int value, int style, Locale locale) {
  53         return getDisplayNameImpl(calendarType, field, value, style, locale, false);


  58     }
  59 
  60     public String getDisplayNameImpl(String calendarType, int field, int value, int style, Locale locale, boolean javatime) {
  61         String name = null;
  62         String key = getResourceKey(calendarType, field, style, javatime);
  63         if (key != null) {
  64             LocaleResources lr = LocaleProviderAdapter.forType(type).getLocaleResources(locale);
  65             String[] strings = javatime ? lr.getJavaTimeNames(key) : lr.getCalendarNames(key);
  66 
  67             // If standalone names are requested and no "standalone." resources are found,
  68             // try the default ones instead.
  69             if (strings == null && key.indexOf("standalone.") != -1) {
  70                 key = key.replaceFirst("standalone.", "");
  71                 strings = javatime ? lr.getJavaTimeNames(key) : lr.getCalendarNames(key);
  72             }
  73 
  74             if (strings != null && strings.length > 0) {
  75                 if (field == DAY_OF_WEEK || field == YEAR) {
  76                     --value;
  77                 }
  78                 if (value < 0 || value >= strings.length) {














  79                     return null;
  80                 }
  81                 name = strings[value];
  82                 // If name is empty in standalone, try its `format' style.
  83                 if (name.length() == 0
  84                         && (style == SHORT_STANDALONE || style == LONG_STANDALONE
  85                             || style == NARROW_STANDALONE)) {
  86                     name = getDisplayName(calendarType, field, value,
  87                                           getBaseStyle(style),
  88                                           locale);
  89                 }
  90             }
  91         }
  92         return name;
  93     }
  94 
  95     private static int[] REST_OF_STYLES = {
  96         SHORT_STANDALONE, LONG_FORMAT, LONG_STANDALONE,
  97         NARROW_FORMAT, NARROW_STANDALONE
  98     };


   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 package sun.util.locale.provider;
  26 
  27 import static java.util.Calendar.*;
  28 import java.util.Comparator;
  29 import java.util.Locale;
  30 import java.util.Map;
  31 import java.util.Set;
  32 import java.util.TreeMap;
  33 import java.util.spi.CalendarNameProvider;
  34 import sun.util.calendar.CalendarSystem;
  35 import sun.util.calendar.Era;
  36 
  37 /**
  38  * Concrete implementation of the  {@link java.util.spi.CalendarDataProvider
  39  * CalendarDataProvider} class for the JRE LocaleProviderAdapter.
  40  *
  41  * @author Masayoshi Okutsu
  42  * @author Naoto Sato
  43  */
  44 public class CalendarNameProviderImpl extends CalendarNameProvider implements AvailableLanguageTags {
  45     private final LocaleProviderAdapter.Type type;
  46     private final Set<String> langtags;
  47 
  48     public CalendarNameProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
  49         this.type = type;
  50         this.langtags = langtags;
  51     }
  52 
  53     @Override
  54     public String getDisplayName(String calendarType, int field, int value, int style, Locale locale) {
  55         return getDisplayNameImpl(calendarType, field, value, style, locale, false);


  60     }
  61 
  62     public String getDisplayNameImpl(String calendarType, int field, int value, int style, Locale locale, boolean javatime) {
  63         String name = null;
  64         String key = getResourceKey(calendarType, field, style, javatime);
  65         if (key != null) {
  66             LocaleResources lr = LocaleProviderAdapter.forType(type).getLocaleResources(locale);
  67             String[] strings = javatime ? lr.getJavaTimeNames(key) : lr.getCalendarNames(key);
  68 
  69             // If standalone names are requested and no "standalone." resources are found,
  70             // try the default ones instead.
  71             if (strings == null && key.indexOf("standalone.") != -1) {
  72                 key = key.replaceFirst("standalone.", "");
  73                 strings = javatime ? lr.getJavaTimeNames(key) : lr.getCalendarNames(key);
  74             }
  75 
  76             if (strings != null && strings.length > 0) {
  77                 if (field == DAY_OF_WEEK || field == YEAR) {
  78                     --value;
  79                 }
  80                 if (value < 0 || value > strings.length) {
  81                     return null;
  82                 } else if (value == strings.length) {
  83                     if (field == ERA && "japanese".equals(calendarType)) {
  84                         // get the supplemental era, if any, specified through 
  85                         // the property "jdk.calendar.japanese.supplemental.era"
  86                         // which is always the last element.
  87                         Era[] jeras = CalendarSystem.forName("japanese").getEras();
  88                         if (jeras.length == value) {
  89                             Era supEra = jeras[value - 1]; // 0-based index
  90                             return style == LONG ?
  91                                 supEra.getName() :
  92                                 supEra.getAbbreviation();
  93                         }
  94                     }
  95                     return null;
  96                 }
  97                 name = strings[value];
  98                 // If name is empty in standalone, try its `format' style.
  99                 if (name.length() == 0
 100                         && (style == SHORT_STANDALONE || style == LONG_STANDALONE
 101                             || style == NARROW_STANDALONE)) {
 102                     name = getDisplayName(calendarType, field, value,
 103                                           getBaseStyle(style),
 104                                           locale);
 105                 }
 106             }
 107         }
 108         return name;
 109     }
 110 
 111     private static int[] REST_OF_STYLES = {
 112         SHORT_STANDALONE, LONG_FORMAT, LONG_STANDALONE,
 113         NARROW_FORMAT, NARROW_STANDALONE
 114     };


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