--- /dev/null
+<?php
+/**
+ * A SelfConnectTag filter for Package
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2012 Hub Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * 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 PackageSelfConnectTagFilter extends BaseFilter implements FilterablePackage {
+ /**
+ * Array with all data XML nodes (which hold the actual data) and their values
+ */
+ private $dataXmlNodes = array();
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Init array
+ $this->dataXmlNodes = array(
+ XmlSelfConnectTemplateEngine::SELF_CONNECT_DATA_NODE_ID => '',
+ XmlSelfConnectTemplateEngine::SELF_CONNECT_DATA_SESSION_ID => '',
+ );
+ }
+
+ /**
+ * Creates an instance of this filter class
+ *
+ * @return $filterInstance An instance of this filter class
+ */
+ public final static function createPackageSelfConnectTagFilter () {
+ // Get a new instance
+ $filterInstance = new PackageSelfConnectTagFilter();
+
+ // Return the instance
+ return $filterInstance;
+ }
+
+ /**
+ * Executes the filter with given request and response objects
+ *
+ * @param $requestInstance An instance of a class with an Requestable interface
+ * @param $responseInstance An instance of a class with an Responseable interface
+ * @return void
+ * @throws UnsupportedOperationException If this method is called, please use processMessage() instead!
+ */
+ public function execute (Requestable $requestInstance, Responseable $responseInstance) {
+ // Please don't call this method
+ throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+ }
+
+ /**
+ * Processes the given raw message content. The method renderXmlContent
+ * may throw (not the method itself) several exceptions:
+ *
+ * InvalidXmlNodeException - If an invalid XML node has been found (e.g.
+ * wrong/out-dated template used)
+ * XmlNodeMismatchException - Again might be caused by invalid XML node
+ * usage
+ * XmlParserException - If the XML message is damaged or not
+ * well-formed
+ *
+ * @param $messageContent Raw message content
+ * @param $packageInstance An instance of a Receivable class
+ * @return void
+ * @todo Exceptions from renderXmlContent() are currently unhandled
+ */
+ public function processMessage ($messageContent, Receivable $packageInstance) {
+ // Get a template instance from the factory
+ $templateInstance = XmlTemplateEngineFactory::createXmlTemplateEngineInstance('node_self_connect_template_class');
+
+ // And render the XML content (aka message)
+ $templateInstance->renderXmlContent($messageContent);
+
+ /*
+ * The template system now stores all required data as 'general'
+ * variables, so simply get them. If there is an invalid XML node
+ * inside the message, the above method call will cause exceptions.
+ */
+ foreach ($this->dataXmlNodes as $key => $dummy) {
+ // Get the variable from template engine
+ $value = $templateInstance->readSelfConnectData($key);
+
+ /*
+ * If value is NULL, a variable hasn't been found. This could mean
+ * that *this* node is running an out-dated software or the other
+ * peer is using an out-dated self_connect.xml template.
+ */
+ if (is_null($value)) {
+ // Output a warning
+ $this->debugOutput('SELF-CONNECT-TAG: Found not fully supported variable ' . $key . ' - skipping.');
+
+ // Skip this part, don't write NULLs to the array
+ continue;
+ } // END - if
+
+ // Debug message
+ $this->debugOutput('SELF-CONNECT-TAG: key=' . $key . ',value=' . $value);
+
+ // Set it now
+ $this->dataXmlNodes[$key] = $value;
+ } // END - foreach
+
+ // Construct an array for pushing it on next stack
+ $messageArray = array(
+ // Message data itself
+ NetworkPackage::MESSAGE_ARRAY_DATA => $this->dataXmlNodes,
+ // Message type (which is 'self_connect')
+ NetworkPackage::MESSAGE_ARRAY_TYPE => 'self_connect'
+ );
+
+ // Push the processed message back on stack
+ $packageInstance->getStackerInstance()->pushNamed(NetworkPackage::STACKER_NAME_PROCESSED_MESSAGE);
+ }
+}
+
+// [EOF]
+?>
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class XmlSelfConnectTemplateEngine extends BaseTemplateEngine implements CompileableTemplate, Registerable {
+ /**
+ * Data nodes
+ */
+ const SELF_CONNECT_DATA_NODE_ID = 'node-id';
+ const SELF_CONNECT_DATA_SESSION_ID = 'session-id';
+
/**
* Main nodes in the XML tree
*/
/**
* Sub nodes in the XML tree
*/
- private $subNodes = array(
- 'self-connect-data',
- 'node-id',
- 'session-id'
- );
+ private $subNodes = array();
/**
* Current main node
protected function __construct () {
// Call parent constructor
parent::__construct(__CLASS__);
+
+ // Init array
+ $this->subNodes = array(
+ 'self-connect-data',
+ self::SELF_CONNECT_DATA_NODE_ID,
+ self::SELF_CONNECT_DATA_SESSION_ID
+ );
}
/**
*/
private function startNodeId () {
// Push the node name on the stacker
- $this->getStackerInstance()->pushNamed('self_connect', 'node-id');
+ $this->getStackerInstance()->pushNamed('self_connect', self::SELF_CONNECT_DATA_NODE_ID);
}
/**
*/
private function startSessionId () {
// Push the node name on the stacker
- $this->getStackerInstance()->pushNamed('self_connect', 'session-id');
+ $this->getStackerInstance()->pushNamed('self_connect', self::SELF_CONNECT_DATA_SESSION_ID);
}
/**