/*

 * Copyright (c) 2018, 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

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package sun.util.cldr;

import static sun.util.locale.provider.LocaleProviderAdapter.Type;

import java.util.Locale;

import java.util.Set;

import sun.util.locale.provider.AvailableLanguageTags;

import sun.util.locale.provider.CalendarNameProviderImpl;

import sun.util.locale.provider.LocaleProviderAdapter;

public class CLDRCalendarNameProviderImpl extends CalendarNameProviderImpl implements AvailableLanguageTags{

    public CLDRCalendarNameProviderImpl(Type type, Set<String> langtags) {

        super(type, langtags);

    }

    @Override

    public boolean isSupportedLocale(Locale locale) {

        if (Locale.ROOT.equals(locale)) {

            return true;

        }

        String calendarType = null;

        if (locale.hasExtensions()) {

            calendarType = locale.getUnicodeLocaleType("ca");

            locale = locale.stripExtensions();

        }

        if (calendarType != null) {

            switch (calendarType) {

                case "buddhist":

                case "japanese":

                case "gregory":

                case "islamic":

                case "roc":

                    break;

                default:

                    // Unknown calendar type

                    return false;

            }

        }

        return LocaleProviderAdapter.forType(Type.CLDR).isSupportedProviderLocale(locale, langtags);

    }

}