3 namespace Org\Shipsimu\Hub\Node\Helper\Answer\Request\NodeList;
5 // Import application-specific stuff
6 use Org\Shipsimu\Hub\Factory\Network\NetworkPackageFactory;
7 use Org\Shipsimu\Hub\Helper\Node\HelpableNode;
8 use Org\Shipsimu\Hub\Node\Node;
9 use Org\Shipsimu\Hub\Template\Engine\Xml\Request\NodeList\XmlRequestNodeListTemplateEngine;
11 // Import framework stuff
12 use Org\Mxchange\CoreFramework\Factory\Template\XmlTemplateEngineFactory;
15 * A RequestNodeListMessageAnswer node helper class
17 * @author Roland Haeder <webmaster@shipsimu.org>
19 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2018 Hub Developer Team
20 * @license GNU GPL 3.0 or any newer version
21 * @link http://www.shipsimu.org
22 * @todo Find an interface for hub helper
24 * This program is free software: you can redistribute it and/or modify
25 * it under the terms of the GNU General Public License as published by
26 * the Free Software Foundation, either version 3 of the License, or
27 * (at your option) any later version.
29 * This program is distributed in the hope that it will be useful,
30 * but WITHOUT ANY WARRANTY; without even the implied warranty of
31 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
32 * GNU General Public License for more details.
34 * You should have received a copy of the GNU General Public License
35 * along with this program. If not, see <http://www.gnu.org/licenses/>.
37 class NodeRequestNodeListMessageAnswerHelper extends BaseHubAnswerHelper implements HelpableNode {
39 * Protected constructor
43 protected function __construct () {
44 // Call parent constructor
45 parent::__construct(__CLASS__);
48 $this->setPackageTags(array('request_node_list_answer'));
52 * Creates the helper class
54 * @param $messageData An array with all message data
55 * @return $helperInstance A prepared instance of this helper
57 public final static function createNodeRequestNodeListMessageAnswerHelper (array $messageData) {
59 $helperInstance = new NodeRequestNodeListMessageAnswerHelper();
61 // Set session id of other peer as recipient
62 $helperInstance->setRecipientType($messageData[XmlRequestNodeListTemplateEngine::REQUEST_DATA_SESSION_ID]);
65 $helperInstance->setMessageData($messageData);
67 // Return the prepared instance
68 return $helperInstance;
72 * Loads the descriptor XML file
74 * @param $nodeInstance An instance of a Node class
77 public function loadDescriptorXml (Node $nodeInstance) {
79 self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('HELPER: Attempting to answer a request: node-list...');
81 // Get a XML template instance
82 $templateInstance = XmlTemplateEngineFactory::createXmlTemplateEngineInstance('node_request_node_list_answer_template_class');
84 // Set it for later use
85 $this->setTemplateInstance($templateInstance);
87 // Read the XML descriptor
88 $templateInstance->loadXmlTemplate();
90 // "Cache" entries instance for next foreach loop
91 $entriesInstance = $templateInstance->getTemplateInstance();
93 // Is must not be NULL (then it can only be a template instance)
94 assert(!is_null($entriesInstance));
96 // Render the XML content
97 $templateInstance->renderXmlContent();
101 * Send out request-node-list answer package
103 * @param $nodeInstance An instance of a Node class
106 public function sendPackage (Node $nodeInstance) {
107 // Sanity check: Is the node in the approx. state? (active/reachable)
108 $nodeInstance->getStateInstance()->validateNodeStateIsActiveOrReachable();
110 // Compile the template, this inserts the loaded node data into the gaps.
111 $this->getTemplateInstance()->compileTemplate();
113 // Get a singleton network package instance
114 $packageInstance = NetworkPackageHandlerFactory::createNetworkPackageHandlerInstance();
116 // Next, feed the content in. The network package class is a pipe-through class.
117 $packageInstance->enqueueRawDataFromTemplate($this);