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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package sun.util.locale.provider;

import java.util.Calendar;
import java.util.Locale;
import java.util.Set;
import java.util.TimeZone;
import sun.util.spi.CalendarProvider;

Concrete implementation of the 
CalendarProvider class for the JRE LocaleProviderAdapter. 
Author:
Naoto Sato/**
 * Concrete implementation of the  {@link sun.util.spi.CalendarProvider
 * CalendarProvider} class for the JRE LocaleProviderAdapter.
 *
 * @author Naoto Sato
 */
public class CalendarProviderImpl extends CalendarProvider implements AvailableLanguageTags {
    private final LocaleProviderAdapter.Type type;
    private final Set<String> langtags;

    public CalendarProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {
        this.type = type;
        this.langtags = langtags;
    }

    
Returns an array of all locales for which this locale service provider
can provide localized objects or names.
Returns:
An array of all locales for which this locale service provider
can provide localized objects or names./**
     * Returns an array of all locales for which this locale service provider
     * can provide localized objects or names.
     *
     * @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);
    }

    @Override
    public boolean isSupportedLocale(Locale locale) {
        // Support any locales.
        return true;
    }

    
Returns a new Calendar instance for the
specified locale.
Params:
zone – the time zone
locale – the desired locale
Throws:
NullPointerException – if locale is null
IllegalArgumentException – if locale isn't one of the locales returned from 
    getAvailableLocales().
See Also:
Calendar.getInstance(Locale)
Returns:
a Calendar instance./**
     * Returns a new <code>Calendar</code> instance for the
     * specified locale.
     *
     * @param zone the time zone
     * @param locale the desired locale
     * @exception NullPointerException if <code>locale</code> is null
     * @exception IllegalArgumentException if <code>locale</code> isn't
     *     one of the locales returned from
     *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
     *     getAvailableLocales()}.
     * @return a <code>Calendar</code> instance.
     * @see java.util.Calendar#getInstance(java.util.Locale)
     */
    @Override
    public Calendar getInstance(TimeZone zone, Locale locale) {
        return new Calendar.Builder()
                     .setLocale(locale)
                     .setTimeZone(zone)
                     .setInstant(System.currentTimeMillis())
                     .build();
    }

    @Override
    public Set<String> getAvailableLanguageTags() {
        return langtags;
    }
}