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25 package sun.util.locale.provider;
26 
27 import java.util.Locale;
28 import java.util.Set;
29 import java.util.spi.CalendarDataProvider;
30 
31 /**
32  * Concrete implementation of the  {@link java.util.spi.CalendarDataProvider
33  * CalendarDataProvider} class for the JRE LocaleProviderAdapter.
34  *
35  * @author Masayoshi Okutsu
36  * @author Naoto Sato
37  */
38 public class CalendarDataProviderImpl extends CalendarDataProvider implements AvailableLanguageTags {
39     private final LocaleProviderAdapter.Type type;
40     private final Set<String> langtags;
41 
CalendarDataProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags)42     public CalendarDataProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
43         this.type = type;
44         this.langtags = langtags;
45     }
46 
47     @Override
getFirstDayOfWeek(Locale locale)48     public int getFirstDayOfWeek(Locale locale) {
49         return LocaleProviderAdapter.forType(type).getLocaleResources(locale)
50                    .getCalendarData(CalendarDataUtility.FIRST_DAY_OF_WEEK);
51     }
52 
53     @Override
getMinimalDaysInFirstWeek(Locale locale)54     public int getMinimalDaysInFirstWeek(Locale locale) {
55         return LocaleProviderAdapter.forType(type).getLocaleResources(locale)
56                    .getCalendarData(CalendarDataUtility.MINIMAL_DAYS_IN_FIRST_WEEK);
57     }
58 
59     @Override
getAvailableLocales()60     public Locale[] getAvailableLocales() {
61         return LocaleProviderAdapter.toLocaleArray(langtags);
62     }
63 
64     @Override
getAvailableLanguageTags()65     public Set<String> getAvailableLanguageTags() {
66         return langtags;
67     }
68 }
69