3 namespace Org\Shipsimu\Hub\Node\Helper\Answer\Request\NodeList;
5 // Import application-specific stuff
6 use Org\Shipsimu\Hub\Factory\Handler\Network\NetworkPackageHandlerFactory;
7 use Org\Shipsimu\Hub\Factory\Network\NetworkPackageFactory;
8 use Org\Shipsimu\Hub\Helper\Node\HelpableNode;
9 use Org\Shipsimu\Hub\Node\Node;
10 use Org\Shipsimu\Hub\Template\Engine\Xml\Request\NodeList\XmlRequestNodeListTemplateEngine;
12 // Import framework stuff
13 use Org\Mxchange\CoreFramework\Factory\Template\XmlTemplateEngineFactory;
16 * A RequestNodeListMessageAnswer node helper class
18 * @author Roland Haeder <webmaster@shipsimu.org>
20 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2018 Hub Developer Team
21 * @license GNU GPL 3.0 or any newer version
22 * @link http://www.shipsimu.org
23 * @todo Find an interface for hub helper
25 * This program is free software: you can redistribute it and/or modify
26 * it under the terms of the GNU General Public License as published by
27 * the Free Software Foundation, either version 3 of the License, or
28 * (at your option) any later version.
30 * This program is distributed in the hope that it will be useful,
31 * but WITHOUT ANY WARRANTY; without even the implied warranty of
32 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
33 * GNU General Public License for more details.
35 * You should have received a copy of the GNU General Public License
36 * along with this program. If not, see <http://www.gnu.org/licenses/>.
38 class NodeRequestNodeListMessageAnswerHelper extends BaseHubAnswerHelper implements HelpableNode {
40 * Protected constructor
44 protected function __construct () {
45 // Call parent constructor
46 parent::__construct(__CLASS__);
49 $this->setPackageTags(array('request_node_list_answer'));
53 * Creates the helper class
55 * @param $messageData An array with all message data
56 * @return $helperInstance A prepared instance of this helper
58 public final static function createNodeRequestNodeListMessageAnswerHelper (array $messageData) {
60 $helperInstance = new NodeRequestNodeListMessageAnswerHelper();
62 // Set session id of other peer as recipient
63 $helperInstance->setRecipientType($messageData[XmlRequestNodeListTemplateEngine::REQUEST_DATA_SESSION_ID]);
66 $helperInstance->setMessageData($messageData);
68 // Return the prepared instance
69 return $helperInstance;
73 * Loads the descriptor XML file
75 * @param $nodeInstance An instance of a Node class
78 public function loadDescriptorXml (Node $nodeInstance) {
80 self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('HELPER: Attempting to answer a request: node-list...');
82 // Get a XML template instance
83 $templateInstance = XmlTemplateEngineFactory::createXmlTemplateEngineInstance('node_request_node_list_answer_template_class');
85 // Set it for later use
86 $this->setTemplateInstance($templateInstance);
88 // Read the XML descriptor
89 $templateInstance->loadXmlTemplate();
91 // "Cache" entries instance for next foreach loop
92 $entriesInstance = $templateInstance->getTemplateInstance();
94 // Is must not be NULL (then it can only be a template instance)
95 assert(!is_null($entriesInstance));
97 // Render the XML content
98 $templateInstance->renderXmlContent();
102 * Send out request-node-list answer package
104 * @param $nodeInstance An instance of a Node class
107 public function sendPackage (Node $nodeInstance) {
108 // Sanity check: Is the node in the approx. state? (active/reachable)
109 $nodeInstance->getStateInstance()->validateNodeStateIsActiveOrReachable();
111 // Compile the template, this inserts the loaded node data into the gaps.
112 $this->getTemplateInstance()->compileTemplate();
114 // Get a singleton network package instance
115 $packageInstance = NetworkPackageHandlerFactory::createNetworkPackageHandlerInstance();
117 // Next, feed the content in. The network package class is a pipe-through class.
118 $packageInstance->enqueueRawDataFromTemplate($this);