/*
 * Copyright (c) 2019, 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.
 *
 * 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package custom;

import java.util.Locale;
import java.util.TimeZone;
import java.util.spi.TimeZoneNameProvider;

public class CustomTimeZoneNameProvider extends TimeZoneNameProvider {

    public static final String ZONE_ID = "Custom/Timezone";

    @Override
    public String getDisplayName(String ID, boolean daylight, int style, Locale locale) {
        if (ZONE_ID.equals(ID)) {
            switch (style) {
                case TimeZone.SHORT:
                    if (daylight) {
                        return "CUST_ST";
                    } else {
                        return "CUST_WT";
                    }
                case TimeZone.LONG:
                    if (daylight) {
                        return "Custom Summer Time";
                    } else {
                        return "Custom Winter Time";
                    }
            }
        }
        return null;
    }

    @Override
    public String getGenericDisplayName(String ID, int style, Locale locale) {
        if (ZONE_ID.equals(ID)) {
            switch (style) {
                case TimeZone.SHORT:
                    return "Custom Time";
                case TimeZone.LONG:
                    return "Custom Timezone Time";
            }
        }
        return null;
    }

    @Override
    public boolean isSupportedLocale(Locale locale) {
        return true;
    }

    @Override
    public Locale[] getAvailableLocales() {
        return new Locale[]{
            Locale.getDefault(Locale.Category.FORMAT)
        };
    }
}
