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src/net/fortuna/ical4j/model/TimeZoneRegistryFactory.java@fb9019fb1bf7 (annotated)

src/net/fortuna/ical4j/model/TimeZoneRegistryFactory.java

Tue, 10 Feb 2015 18:12:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 10 Feb 2015 18:12:00 +0100

changeset 0

fb9019fb1bf7

permissions

-rw-r--r--

Import initial revisions of existing project AndroidCaldavSyncAdapater,
forked from upstream repository at 27e8a0f8495c92e0780d450bdf0c7cec77a03a55.

michael@0	1	/**
michael@0	2	* Copyright (c) 2012, Ben Fortuna
michael@0	3	* All rights reserved.
michael@0	4	*
michael@0	5	* Redistribution and use in source and binary forms, with or without
michael@0	6	* modification, are permitted provided that the following conditions
michael@0	7	* are met:
michael@0	8	*
michael@0	9	* o Redistributions of source code must retain the above copyright
michael@0	10	* notice, this list of conditions and the following disclaimer.
michael@0	11	*
michael@0	12	* o Redistributions in binary form must reproduce the above copyright
michael@0	13	* notice, this list of conditions and the following disclaimer in the
michael@0	14	* documentation and/or other materials provided with the distribution.
michael@0	15	*
michael@0	16	* o Neither the name of Ben Fortuna nor the names of any other contributors
michael@0	17	* may be used to endorse or promote products derived from this software
michael@0	18	* without specific prior written permission.
michael@0	19	*
michael@0	20	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0	21	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0	22	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0	23	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
michael@0	24	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0	25	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0	26	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0	27	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
michael@0	28	* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
michael@0	29	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
michael@0	30	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0	31	*/
michael@0	32	package net.fortuna.ical4j.model;
michael@0	33
michael@0	34	import net.fortuna.ical4j.util.Configurator;
michael@0	35
michael@0	36	/**
michael@0	37	* $Id$
michael@0	38	*
michael@0	39	* Created on 18/09/2005
michael@0	40	*
michael@0	41	* Provides access to the configured <code>TimeZoneRegistry</code> instance.
michael@0	42	* Alternative factory implementations may be specified via the following
michael@0	43	* system property:
michael@0	44	* <pre>net.fortuna.ical4j.timezone.registry=&lt;factory_class_name&gt;</pre>
michael@0	45	* @author Ben Fortuna
michael@0	46	*/
michael@0	47	public abstract class TimeZoneRegistryFactory {
michael@0	48
michael@0	49	/**
michael@0	50	* The system property used to specify an alternate
michael@0	51	* <code>TimeZoneRegistryFactory</code> implementation.
michael@0	52	*/
michael@0	53	public static final String KEY_FACTORY_CLASS = "net.fortuna.ical4j.timezone.registry";
michael@0	54
michael@0	55	private static TimeZoneRegistryFactory instance;
michael@0	56	static {
michael@0	57	try {
michael@0	58	final Class factoryClass = Class.forName(Configurator.getProperty(KEY_FACTORY_CLASS));
michael@0	59	instance = (TimeZoneRegistryFactory) factoryClass.newInstance();
michael@0	60	}
michael@0	61	catch (Exception e) {
michael@0	62	instance = new DefaultTimeZoneRegistryFactory();
michael@0	63	}
michael@0	64	}
michael@0	65
michael@0	66	/**
michael@0	67	* @return a shared factory instance
michael@0	68	*/
michael@0	69	public static TimeZoneRegistryFactory getInstance() {
michael@0	70	return instance;
michael@0	71	}
michael@0	72
michael@0	73	/**
michael@0	74	* Returns a new instance of the configured <code>TimeZoneRegistry</code>.
michael@0	75	* @return a timezone registry instance
michael@0	76	*/
michael@0	77	public abstract TimeZoneRegistry createRegistry();
michael@0	78	}