--- /dev/null
+<?php
+/**
+ * A RequestNodeListMessageAnswer node helper class
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Core Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ * @todo Find an interface for hub helper
+ *
+ * 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 NodeRequestNodeListMessageAnswerHelper extends BaseHubAnswerHelper implements HelpableHub {
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Init package tags
+ $this->setPackageTags(array('request_node_list'));
+ }
+
+ /**
+ * Creates the helper class
+ *
+ * @param $messageData An array with all message data
+ * @return $helperInstance A prepared instance of this helper
+ */
+ public final static function createNodeRequestNodeListMessageAnswerHelper (array $messageData) {
+ // Get new instance
+ $helperInstance = new NodeRequestNodeListMessageAnswerHelper();
+
+ // Set session id of other peer as recipient
+ $helperInstance->setRecipientType($messageData[XmlRequestNodeListTemplateEngine::REQUEST_DATA_SESSION_ID]);
+
+ // Set message data
+ $helperInstance->setMessageData($messageData);
+
+ // Return the prepared instance
+ return $helperInstance;
+ }
+
+ /**
+ * Loads the descriptor XML file
+ *
+ * @return void
+ */
+ public function loadDescriptorXml () {
+ // Debug message
+ self::createDebugInstance(__CLASS__)->debugOutput('HELPER: Attempting to answer a request: node-list...');
+
+ // Get a XML template instance
+ $templateInstance = XmlTemplateEngineFactory::createXmlTemplateEngineInstance('node_request_node_list_template_class');
+
+ // Set it for later use
+ $this->setTemplateInstance($templateInstance);
+
+ // Read the XML descriptor
+ $this->getTemplateInstance()->loadRequestNodeListAnswerTemplate();
+
+ // Render the XML content
+ $this->getTemplateInstance()->renderXmlContent();
+ }
+
+ /**
+ * Do the helped attempt by delivering a package to ourselfs
+ *
+ * @param $nodeInstance An instance of a NodeHelper class
+ * @return void
+ */
+ public function sendPackage (NodeHelper $nodeInstance) {
+ // Sanity check: Is the node in the approx. state? (active/reachable)
+ $nodeInstance->getStateInstance()->validateNodeStateIsActiveOrReachable();
+
+ // Compile the template, this inserts the loaded node data into the gaps.
+ $this->getTemplateInstance()->compileTemplate();
+
+ // Get a singleton network package instance
+ $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
+
+ // Next, feed the content in. The network package class is a pipe-through class.
+ $packageInstance->enqueueRawDataFromTemplate($this, NetworkPackage::PROTOCOL_TCP);
+ }
+}
+
+// [EOF]
+?>