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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package sun.util.locale.provider;

import java.text.DecimalFormatSymbols;
import java.text.spi.DecimalFormatSymbolsProvider;
import java.util.Locale;
import java.util.Set;

Concrete implementation of the 
DecimalFormatSymbolsProvider class for the JRE LocaleProviderAdapter. 
Author:
Naoto Sato, Masayoshi Okutsu/**
 * Concrete implementation of the  {@link java.text.spi.DecimalFormatSymbolsProvider
 * DecimalFormatSymbolsProvider} class for the JRE LocaleProviderAdapter.
 *
 * @author Naoto Sato
 * @author Masayoshi Okutsu
 */
public class DecimalFormatSymbolsProviderImpl extends DecimalFormatSymbolsProvider implements AvailableLanguageTags {
    private final LocaleProviderAdapter.Type type;
    private final Set<String> langtags;

    public DecimalFormatSymbolsProviderImpl(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) {
        return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags);
    }

    
Returns a new DecimalFormatSymbols instance for the
specified locale.
Params:
locale – the desired locale
Throws:
NullPointerException – if locale is null
IllegalArgumentException – if locale isn't one of the locales returned from 
    getAvailableLocales().
See Also:
DecimalFormatSymbols.getInstance(Locale)
Returns:
a DecimalFormatSymbols instance./**
     * Returns a new <code>DecimalFormatSymbols</code> instance for the
     * specified locale.
     *
     * @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>DecimalFormatSymbols</code> instance.
     * @see java.text.DecimalFormatSymbols#getInstance(java.util.Locale)
     */
    @Override
    public DecimalFormatSymbols getInstance(Locale locale) {
        if (locale == null) {
            throw new NullPointerException();
        }

        return new DecimalFormatSymbols(locale);
    }

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