671
672 // Copy values of a cached instance if any.
673 SoftReference<DateFormatSymbols> ref = cachedInstances.get(locale);
674 DateFormatSymbols dfs;
675 if (ref != null && (dfs = ref.get()) != null) {
676 copyMembers(dfs, this);
677 return;
678 }
679
680 // Initialize the fields from the ResourceBundle for locale.
681 LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
682 // Avoid any potential recursions
683 switch (adapter.getAdapterType()) {
684 case HOST:
685 case SPI:
686 adapter = LocaleProviderAdapter.getResourceBundleBased();
687 break;
688 }
689 ResourceBundle resource = adapter.getLocaleData().getDateFormatData(locale);
690
691 eras = resource.getStringArray("Eras");
692 months = resource.getStringArray("MonthNames");
693 shortMonths = resource.getStringArray("MonthAbbreviations");
694 ampms = resource.getStringArray("AmPmMarkers");
695 localPatternChars = resource.getString("DateTimePatternChars");
696
697 // Day of week names are stored in a 1-based array.
698 weekdays = toOneBasedArray(resource.getStringArray("DayNames"));
699 shortWeekdays = toOneBasedArray(resource.getStringArray("DayAbbreviations"));
700
701 // Put a clone in the cache
702 ref = new SoftReference<>((DateFormatSymbols)this.clone());
703 SoftReference<DateFormatSymbols> x = cachedInstances.putIfAbsent(locale, ref);
704 if (x != null) {
705 DateFormatSymbols y = x.get();
706 if (y == null) {
707 // Replace the empty SoftReference with ref.
708 cachedInstances.put(locale, ref);
709 }
710 }
711 }
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671
672 // Copy values of a cached instance if any.
673 SoftReference<DateFormatSymbols> ref = cachedInstances.get(locale);
674 DateFormatSymbols dfs;
675 if (ref != null && (dfs = ref.get()) != null) {
676 copyMembers(dfs, this);
677 return;
678 }
679
680 // Initialize the fields from the ResourceBundle for locale.
681 LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale);
682 // Avoid any potential recursions
683 switch (adapter.getAdapterType()) {
684 case HOST:
685 case SPI:
686 adapter = LocaleProviderAdapter.getResourceBundleBased();
687 break;
688 }
689 ResourceBundle resource = adapter.getLocaleData().getDateFormatData(locale);
690
691 // JRE and CLDR use different keys
692 // JRE: Eras, short.Eras and narrow.Eras
693 // CLDR: long.Eras, Eras and narrow.Eras
694 if (resource.containsKey("Eras")) {
695 eras = resource.getStringArray("Eras");
696 } else if (resource.containsKey("long.Eras")) {
697 eras = resource.getStringArray("long.Eras");
698 } else if (resource.containsKey("short.Eras")) {
699 eras = resource.getStringArray("short.Eras");
700 }
701 months = resource.getStringArray("MonthNames");
702 shortMonths = resource.getStringArray("MonthAbbreviations");
703 ampms = resource.getStringArray("AmPmMarkers");
704 localPatternChars = resource.getString("DateTimePatternChars");
705
706 // Day of week names are stored in a 1-based array.
707 weekdays = toOneBasedArray(resource.getStringArray("DayNames"));
708 shortWeekdays = toOneBasedArray(resource.getStringArray("DayAbbreviations"));
709
710 // Put a clone in the cache
711 ref = new SoftReference<>((DateFormatSymbols)this.clone());
712 SoftReference<DateFormatSymbols> x = cachedInstances.putIfAbsent(locale, ref);
713 if (x != null) {
714 DateFormatSymbols y = x.get();
715 if (y == null) {
716 // Replace the empty SoftReference with ref.
717 cachedInstances.put(locale, ref);
718 }
719 }
720 }
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