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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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
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24  */
25 
26 package sun.util.cldr;
27 
28 import static sun.util.locale.provider.LocaleProviderAdapter.Type;
29 
30 import java.util.Locale;
31 import java.util.Set;
32 import sun.util.locale.provider.AvailableLanguageTags;
33 import sun.util.locale.provider.CalendarNameProviderImpl;
34 import sun.util.locale.provider.LocaleProviderAdapter;
35 
36 
37 public class CLDRCalendarNameProviderImpl extends CalendarNameProviderImpl implements AvailableLanguageTags{
38 
CLDRCalendarNameProviderImpl(Type type, Set<String> langtags)39     public CLDRCalendarNameProviderImpl(Type type, Set<String> langtags) {
40         super(type, langtags);
41     }
42 
43     @Override
isSupportedLocale(Locale locale)44     public boolean isSupportedLocale(Locale locale) {
45         if (Locale.ROOT.equals(locale)) {
46             return true;
47         }
48         String calendarType = null;
49         if (locale.hasExtensions()) {
50             calendarType = locale.getUnicodeLocaleType("ca");
51             locale = locale.stripExtensions();
52         }
53         if (calendarType != null) {
54             switch (calendarType) {
55                 case "buddhist":
56                 case "japanese":
57                 case "gregory":
58                 case "islamic":
59                 case "roc":
60                     break;
61                 default:
62                     // Unknown calendar type
63                     return false;
64             }
65         }
66         return LocaleProviderAdapter.forType(Type.CLDR).isSupportedProviderLocale(locale, langtags);
67     }
68 }
69