/**
* Middleware class for selecting the right compressor channel
*
- * @author Roland Haeder <webmaster@mxchange.org>
+ * @author Roland Haeder <webmaster@ship-simu.org>
* @version 0.0.0
- * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
* @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
+ * @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
* 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 CompressorChannel extends BaseMiddleware {
- // Output handler instance
+class CompressorChannel extends BaseMiddleware implements Registerable {
+ /**
+ * Real compressor instance
+ */
private $compressor = null;
- // Public constructor
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
protected function __construct () {
// Call parent constructor!
parent::__construct(__CLASS__);
-
- // Set description
- $this->setObjectDescription("Komprimierungshandler");
-
- // Create an unique ID
- $this->createUniqueID();
}
- // Create a new compressor channel based a given compression handler
+ /**
+ * Create a new compressor channel based a given base directory where
+ * we shall look for compressor classes
+ *
+ * @param $baseDir Directory which holds our compressor classes
+ * @return $cInstance A prepared instance of this class
+ */
public final static function createCompressorChannel ($baseDir) {
// Get new instance
$cInstance = new CompressorChannel();
$dirPointer = FrameworkDirectoryPointer::createFrameworkDirectoryPointer($baseDir);
// Read all directories but no sub directories
- while ($dir = $dirPointer->readDirectoryExcept(array("..", ".", ".htaccess"))) {
+ while ($dir = $dirPointer->readDirectoryExcept(array("..", ".", ".htaccess", ".svn"))) {
// Is this a class file?
- if ((substr($dir, 0, 6) == "class_") && (substr($dir, -4, 4) == FrameworkConfiguration::getInstance()->readConfig('php_extension'))) {
+ if ((substr($dir, 0, 6) == "class_") && (substr($dir, -4, 4) == ".php")) {
// Get the compressor's name. That's why you must name
// your files like your classes and also that's why you
// must keep on class in one file.
- $class = substr($dir, 6, -4);
-
- // Create eval command
- $eval = sprintf("\$tempInstance = %s::create%s();",
- $class,
- $class
- );
-
- // Debug message
- if ((defined('DEBUG_EVAL')) || (defined('DEBUG_ALL'))) $cInstance->getDebugInstance()->output(sprintf("[%s:] Konstruierte PHP-Anweisung: <pre><em>%s</em></pre><br />\n",
- $cInstance->__toString(),
- htmlentities($eval)
- ));
+ $className = substr($dir, 6, -4);
- // Run it. This will create an instance to the current class
- eval($eval);
+ // Get an instance from our object factory
+ $tempInstance = ObjectFactory::createObjectByName($className);
- // Is the instance valid? We have the stream handler here
- if ((!is_null($tempInstance)) && (method_exists($tempInstance, 'compressStream')) && (method_exists($tempInstance, 'decompressStream'))) {
- // Okay, this handler is valid
- $cInstance->setCompressor($tempInstance);
+ // Set the compressor
+ $cInstance->setCompressor($tempInstance);
- // No more searches required because we have found a valid compressor stream
- break;
- }
- }
- }
+ // No more searches required because we have found a valid compressor stream
+ break;
+ } // END - if
+ } // END - while
// Close the directory
$dirPointer->closeDirectory();
- }
+ } // END - if
// Check again if there is a compressor
if (
|| (!method_exists($cInstance->getCompressor(), 'compressStream'))
|| (!method_exists($cInstance->getCompressor(), 'decompressStream'))
) {
- // Set the null compressor handler
- $cInstance->setCompressor(NullCompressor::createNullCompressor());
- }
+ // Set the null compressor handler. This should not be configureable!
+ $cInstance->setCompressor(ObjectFactory::createObjectByName('NullCompressor'));
+ } // END - if
// Return the compressor instance
return $cInstance;