src/java.base/share/classes/sun/util/locale/provider/TimeZoneNameProviderImpl.java
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rev 10528 : 8038436: Re-examine the mechanism to determine available localedata and cldrdata
Reviewed-by:
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
@@ -38,15 +38,14 @@
* @author Naoto Sato
* @author Masayoshi Okutsu
*/
public class TimeZoneNameProviderImpl extends TimeZoneNameProvider {
private final LocaleProviderAdapter.Type type;
- private final Set<String> langtags;
+ private Set<String> langtags;
- TimeZoneNameProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
+ TimeZoneNameProviderImpl(LocaleProviderAdapter.Type type) {
this.type = type;
- this.langtags = langtags;
}
/**
* Returns an array of all locales for which this locale service provider
* can provide localized objects or names.
@@ -54,16 +53,16 @@
* @return An array of all locales for which this locale service provider
* can provide localized objects or names.
*/
@Override
public Locale[] getAvailableLocales() {
- return LocaleProviderAdapter.toLocaleArray(langtags);
+ return LocaleProviderAdapter.toLocaleArray(getLangTags());
}
@Override
public boolean isSupportedLocale(Locale locale) {
- return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags);
+ return LocaleProviderAdapter.isSupportedLocale(locale, type, getLangTags());
}
/**
* Returns a name for the given time zone ID that's suitable for
* presentation to the user in the specified locale. The given time
@@ -76,11 +75,11 @@
* <p>
* If <code>daylight</code> is true, the method should return a name
* appropriate for daylight saving time even if the specified time zone
* has not observed daylight saving time in the past.
*
- * @param ID a time zone ID string
+ * @param id a time zone ID string
* @param daylight if true, return the daylight saving name.
* @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or
* {@link java.util.TimeZone#SHORT TimeZone.SHORT}
* @param locale the desired locale
* @return the human-readable name of the given time zone in the
@@ -120,10 +119,17 @@
throw new NullPointerException();
}
return LocaleProviderAdapter.forType(type).getLocaleResources(locale).getTimeZoneNames(id, n);
}
+ private Set<String> getLangTags() {
+ if (langtags == null) {
+ langtags = ((JRELocaleProviderAdapter)LocaleProviderAdapter.forType(type)).getLanguageTagSet("TimeZoneNames");
+ }
+ return langtags;
+ }
+
/**
* Returns a String[][] as the DateFormatSymbols.getZoneStrings() value for
* the given locale. This method is package private.
*
* @param locale a Locale for time zone names