1 /*

     2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

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

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

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    25 

    26 package sun.util.locale.provider;

    27 

    28 import java.util.Calendar;

    29 import java.util.Calendar.Builder;

    30 import java.util.Locale;

    31 import java.util.Set;

    32 import java.util.TimeZone;

    33 import sun.util.spi.CalendarProvider;

    34 

    35 /**

    36  * Concrete implementation of the  {@link sun.util.spi.CalendarProvider

    37  * CalendarProvider} class for the JRE LocaleProviderAdapter.

    38  *

    39  * @author Naoto Sato

    40  */

    41 public class CalendarProviderImpl extends CalendarProvider implements AvailableLanguageTags {

    42     private final LocaleProviderAdapter.Type type;

    43     private final Set<String> langtags;

    44 

    45     public CalendarProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) {

    46         this.type = type;

    47         this.langtags = langtags;

    48     }

    49 

    50     /**

    51      * Returns an array of all locales for which this locale service provider

    52      * can provide localized objects or names.

    53      *

    54      * @return An array of all locales for which this locale service provider

    55      * can provide localized objects or names.

    56      */

    57     @Override

    58     public Locale[] getAvailableLocales() {

    59         return LocaleProviderAdapter.toLocaleArray(langtags);

    60     }

    61 

    62     @Override

    63     public boolean isSupportedLocale(Locale locale) {

    64         // Support any locales.

    65         return true;

    66     }

    67 

    68     /**

    69      * Returns a new <code>Calendar</code> instance for the

    70      * specified locale.

    71      *

    72      * @param zone the time zone

    73      * @param locale the desired locale

    74      * @exception NullPointerException if <code>locale</code> is null

    75      * @exception IllegalArgumentException if <code>locale</code> isn't

    76      *     one of the locales returned from

    77      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()

    78      *     getAvailableLocales()}.

    79      * @return a <code>Calendar</code> instance.

    80      * @see java.util.Calendar#getInstance(java.util.Locale)

    81      */

    82     @Override

    83     public Calendar getInstance(TimeZone zone, Locale locale) {

    84         return new Calendar.Builder()

    85                      .setLocale(locale)

    86                      .setTimeZone(zone)

    87                      .setInstant(System.currentTimeMillis())

    88                      .build();

    89     }

    90 

    91     @Override

    92     public Set<String> getAvailableLanguageTags() {

    93         return langtags;

    94     }

    95 }