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   1 <?php
   2 // Own namespace
   3 namespace Hub\Node\Helper\Answer\Announcement;
   4
   5 // Import application-specific stuff
   6 use Hub\Factory\Network\NetworkPackageFactory;
   7 use Hub\Helper\Node\NodeHelper;
   8
   9 // Import framework stuff
  10 use CoreFramework\Factory\Template\XmlTemplateEngineFactory;
  11
  12 /**
  13  * A AnnouncementMessageAnswer node helper class
  14  *
  15  * @author              Roland Haeder <webmaster@shipsimu.org>
  16  * @version             0.0.0
  17  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Hub Developer Team
  18  * @license             GNU GPL 3.0 or any newer version
  19  * @link                http://www.shipsimu.org
  20  * @todo                Find an interface for hub helper
  21  *
  22  * This program is free software: you can redistribute it and/or modify
  23  * it under the terms of the GNU General Public License as published by
  24  * the Free Software Foundation, either version 3 of the License, or
  25  * (at your option) any later version.
  26  *
  27  * This program is distributed in the hope that it will be useful,
  28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30  * GNU General Public License for more details.
  31  *
  32  * You should have received a copy of the GNU General Public License
  33  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  34  */
  35 class NodeAnnouncementMessageAnswerHelper extends BaseHubAnswerHelper implements HelpableNode {
  36         /**
  37          * Protected constructor
  38          *
  39          * @return      void
  40          */
  41         protected function __construct () {
  42                 // Call parent constructor
  43                 parent::__construct(__CLASS__);
  44
  45                 // Init package tags
  46                 $this->setPackageTags(array('announcement_answer'));
  47         }
  48
  49         /**
  50          * Creates the helper class
  51          *
  52          * @param       $messageData            An array with all message data
  53          * @return      $helperInstance         A prepared instance of this helper
  54          */
  55         public final static function createNodeAnnouncementMessageAnswerHelper (array $messageData) {
  56                 // Get new instance
  57                 $helperInstance = new NodeAnnouncementMessageAnswerHelper();
  58
  59                 // Set session id of other peer as recipient
  60                 $helperInstance->setRecipientType($messageData[XmlAnnouncementTemplateEngine::ANNOUNCEMENT_DATA_SESSION_ID]);
  61
  62                 // Set message data
  63                 $helperInstance->setMessageData($messageData);
  64
  65                 // Return the prepared instance
  66                 return $helperInstance;
  67         }
  68
  69         /**
  70          * Loads the descriptor XML file
  71          *
  72          * @param       $nodeInstance   An instance of a NodeHelper class
  73          * @return      void
  74          */
  75         public function loadDescriptorXml (NodeHelper $nodeInstance) {
  76                 // Debug message
  77                 self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('HELPER: Attempting to answer an announcement...');
  78
  79                 // Get a XML template instance
  80                 $templateInstance = XmlTemplateEngineFactory::createXmlTemplateEngineInstance('node_announcement_answer_template_class');
  81
  82                 // Set it for later use
  83                 $this->setTemplateInstance($templateInstance);
  84
  85                 // Read the XML descriptor
  86                 $templateInstance->loadXmlTemplate();
  87
  88                 // Render the XML content
  89                 $templateInstance->renderXmlContent();
  90         }
  91
  92         /**
  93          * Send out announcement answer package
  94          *
  95          * @param       $nodeInstance   An instance of a NodeHelper class
  96          * @return      void
  97          */
  98         public function sendPackage (NodeHelper $nodeInstance) {
  99                 // Sanity check: Is the node in the approx. state? (active/reachable)
 100                 $nodeInstance->getStateInstance()->validateNodeStateIsActiveOrReachable();
 101
 102                 // Compile the template, this inserts the loaded node data into the gaps.
 103                 $this->getTemplateInstance()->compileTemplate();
 104
 105                 // Get a singleton network package instance
 106                 $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
 107
 108                 // Next, feed the content in. The network package class is a pipe-through class.
 109                 $packageInstance->enqueueRawDataFromTemplate($this);
 110         }
 111
 112 }