3 * A factory class for Decodeable objects
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class DecoderFactory extends ObjectFactory {
26 * Protected constructor
30 protected function __construct () {
31 // Call parent constructor
32 parent::__construct(__CLASS__);
36 * Returns a singleton (registry-based) Decodeable instance
38 * @return $decoderInstance An instance of a Decodeable class
40 public static final function createPackageDecoderInstance () {
41 // If there is no handler?
42 if (Registry::getRegistry()->instanceExists('package_decoder')) {
43 // Get handler from registry
44 $decoderInstance = Registry::getRegistry()->getInstance('package_decoder');
46 // Get a chunk handler instance
47 $handlerInstance = ChunkHandlerFactory::createChunkHandlerInstance();
49 // Get the handler instance
50 $decoderInstance = self::createObjectByConfiguredName('package_decoder_class', array($handlerInstance));
52 // Add it to the registry
53 Registry::getRegistry()->addInstance('package_decoder', $decoderInstance);
56 // Return the instance
57 return $decoderInstance;