3 * A SelfConnect hub helper class
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009, 2010 Core Developer Team
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
10 * @todo Find an interface for hub helper
12 * This program is free software: you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation, either version 3 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 class HubSelfConnectHelper extends BaseHubHelper implements HelpableHub {
29 private $packageTags = array('self_connect');
32 * Protected constructor
36 protected function __construct () {
37 // Call parent constructor
38 parent::__construct(__CLASS__);
41 $this->setRecipientType(NetworkPackage::NETWORK_TARGET_SELF);
45 * Creates the helper class
47 * @param $nodeInstance An instance of a NodeHelper class
48 * @return $helperInstance A prepared instance of this helper
50 public final static function createHubSelfConnectHelper (NodeHelper $nodeInstance) {
52 $helperInstance = new HubSelfConnectHelper();
54 // Set the node instance
55 $helperInstance->setNodeInstance($nodeInstance);
57 // Return the prepared instance
58 return $helperInstance;
62 * Loads the descriptor XML file
66 public function loadDescriptorXml () {
68 $this->debugOutput('HELPER: Attempting self-connect...');
70 // Get the application instance
71 $appInstance = Registry::getRegistry()->getInstance('app');
73 // Get a XML template instance
74 $templateInstance = ObjectFactory::createObjectByConfiguredName('self_connect_template_class', array($appInstance));
76 // Disable language support
77 $templateInstance->enableLanguageSupport(false);
80 * Enable compacting/rewriting of the XML to save bandwidth from XML
81 * comments. This is expensive and should be avoided in general.
83 $templateInstance->enableXmlCompacting();
85 // Set it for later use
86 $this->setTemplateInstance($templateInstance);
88 // Read the XML descriptor
89 $this->getTemplateInstance()->loadSelfConnectTemplate();
91 // Render the XML content
92 $this->getTemplateInstance()->renderXmlContent();
96 * Do the self-connect attempt by delivering a package to ourselfs
100 public function sendPackage () {
101 // Sanity check: Is the node in the approx. state? (active)
102 $this->getNodeInstance()->getStateInstance()->validateNodeStateIsActive();
104 // Compile the template, this inserts the loaded node data into the gaps.
105 $this->getTemplateInstance()->compileTemplate();
107 // Get a singleton network package instance
108 $packageInstance = NetworkPackageFactory::createNetworkPackageInstance();
110 // Next, feed the content in. The network package class is a pipe-through class.
111 $packageInstance->enqueueRawDataFromTemplate($this);
115 * Getter for package tags in a simple array
117 * @return $tags An array with all tags for the currently handled package
119 public final function getPackageTags () {
120 return $this->packageTags;