--- /dev/null
+<?php
+/**
+ * A factory class for protocol handlers
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2014 Hub Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.shipsimu.org
+ * @todo Unfinished stuff
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class ProtocolHandlerFactory extends ObjectFactory {
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Returns a singleton protocol handler instance. If an instance is
+ * found in registry, it will be returned, else a new instance is created
+ * and stored in the same registry entry.
+ *
+ * @param $messageType Protocol to create an object from
+ * @return $handlerInstance A protocol handler instance
+ */
+ public static final function createProtocolHandlerInstance ($messageType) {
+ // Do we have an instance in the registry?
+ if (Registry::getRegistry()->instanceExists($messageType . '_protocol_handler')) {
+ // Then use this instance
+ $handlerInstance = Registry::getRegistry()->getInstance($messageType . '_protocol_handler');
+ } else {
+ // Now prepare the tags instance
+ $handlerInstance = self::createObjectByConfiguredName($messageType . '_protocol_handler_class');
+
+ // Set the instance in registry for further use
+ Registry::getRegistry()->addInstance($messageType . '_protocol_handler', $handlerInstance);
+ }
+
+ // Return the instance
+ return $handlerInstance;
+ }
+}
+
+// [EOF]
+?>