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.spi;
  27 
  28 import java.util.Calendar;
  29 import java.util.Locale;
  30 import java.util.TimeZone;
  31 import java.util.spi.LocaleServiceProvider;
  32 
  33 /**
  34  * An abstract class for service providers that
  35  * provide instances of the
  36  * {@link java.util.Calendar Calendar} class.
  37  *
  38  * @since        1.8
  39  */
  40 public abstract class CalendarProvider extends LocaleServiceProvider {
  41 
  42     /**
  43      * Sole constructor.  (For invocation by subclass constructors, typically
  44      * implicit.)
  45      */
  46     protected CalendarProvider() {
  47     }
  48 
  49     /**
  50      * Returns a new <code>Calendar</code> instance for the
  51      * specified locale.
  52      *
  53      * @param zone the time zone
  54      * @param locale the desired locale
  55      * @exception NullPointerException if <code>locale</code> is null
  56      * @exception IllegalArgumentException if <code>locale</code> isn't
  57      *     one of the locales returned from
  58      *     {@link java.util.spi.LocaleServiceProvider#getAvailableLocales()
  59      *     getAvailableLocales()}.
  60      * @return a <code>Calendar</code> instance.
  61      * @see java.util.Calendar#getInstance(java.util.Locale)
  62      */
  63     public abstract Calendar getInstance(TimeZone zone, Locale locale);
  64 }