/*

 * Copyright (c) 2005, 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

 * 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

 * or visit www.oracle.com if you need additional information or have any

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 */

/*

 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved

 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved

 *

 * The original version of this source code and documentation

 * is copyrighted and owned by Taligent, Inc., a wholly-owned

 * subsidiary of IBM. These materials are provided under terms

 * of a License Agreement between Taligent and Sun. This technology

 * is protected by multiple US and International patents.

 *

 * This notice and attribution to Taligent may not be removed.

 * Taligent is a registered trademark of Taligent, Inc.

 *

 */

package sun.util.resources;

import java.util.Map;

import java.util.LinkedHashMap;

import java.util.LinkedHashSet;

import java.util.MissingResourceException;

import java.util.Objects;

import java.util.Set;

/**

 * Subclass of <code>ResourceBundle</code> with special

 * functionality for time zone names. The additional functionality:

 * <ul>

 * <li>Preserves the order of entries in the <code>getContents</code>

 *     array for the enumeration returned by <code>getKeys</code>.

 * <li>Inserts the time zone ID (the key of the bundle entries) into

 *     the string arrays returned by <code>handleGetObject</code>.

 * <ul>

 * All <code>TimeZoneNames</code> resource bundles must extend this

 * class and implement the <code>getContents</code> method.

 */

public abstract class TimeZoneNamesBundle extends OpenListResourceBundle {

    /**

     * Maps time zone IDs to locale-specific names.

     * The value returned is an array of five strings:

     * <ul>

     * <li>The time zone ID (same as the key, not localized).

     * <li>The long name of the time zone in standard time (localized).

     * <li>The short name of the time zone in standard time (localized).

     * <li>The long name of the time zone in daylight savings time (localized).

     * <li>The short name of the time zone in daylight savings time (localized).

     * <li>The long name of the time zone in generic form (localized).

     * <li>The short name of the time zone in generic form (localized).

     * </ul>

     * The localized names come from the subclasses's

     * <code>getContents</code> implementations, while the time zone

     * ID is inserted into the returned array by this method.

     */

    @Override

    public Object handleGetObject(String key) {

        String[] contents = (String[]) super.handleGetObject(key);

        if (Objects.isNull(contents)) {

            return null;

        }

        int clen = contents.length;

        String[] tmpobj = new String[7];

        tmpobj[0] = key;

        System.arraycopy(contents, 0, tmpobj, 1, clen);

        return tmpobj;

    }

    /**

     * Use LinkedHashMap to preserve the order of bundle entries.

     */

    @Override

    protected <K, V> Map<K, V> createMap(int size) {

        return new LinkedHashMap<>(size);

    }

    /**

     * Use LinkedHashSet to preserve the key order.

     * @param <E> the type of elements

     * @return a Set

     */

    @Override

    protected <E> Set<E> createSet() {

        return new LinkedHashSet<>();

    }

    /**

     * Provides key/value mappings for a specific

     * resource bundle. Each entry of the array

     * returned must be an array with two elements:

     * <ul>

     * <li>The key, which must be a string.

     * <li>The value, which must be an array of

     *     four strings:

     *     <ul>

     *     <li>The long name of the time zone in standard time.

     *     <li>The short name of the time zone in standard time.

     *     <li>The long name of the time zone in daylight savings time.

     *     <li>The short name of the time zone in daylight savings time.

     *     </ul>

     * </ul>

     */

    protected abstract Object[][] getContents();

}