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diff --git a/framework/main/classes/filter/class_BaseFilterDecorator.php b/framework/main/classes/filter/class_BaseFilterDecorator.php
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+++ b/framework/main/classes/filter/class_BaseFilterDecorator.php
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+<?php
+// Own namespace
+namespace CoreFramework\Filter;
+
+// Import framework stuff
+use CoreFramework\Object\BaseFrameworkSystem;
+use CoreFramework\Request\Requestable;
+use CoreFramework\Response\Responseable;
+
+/**
+ * A general filter decorator for decorating filters with other filters
+ *
+ * @author		Roland Haeder <webmaster@shipsimu.org>
+ * @version		0.0.0
+ * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
+ * @license		GNU GPL 3.0 or any newer version
+ * @link		http://www.shipsimu.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/>.
+ */
+abstract class BaseFilterDecorator extends BaseFrameworkSystem implements Filterable {
+	/**
+	 * The decorated filter instance
+	 */
+	private $filterInstance = NULL;
+
+	/**
+	 * Protected constructor
+	 *
+	 * @param	$className	Name of the real class' name
+	 * @return	void
+	 */
+	protected function __construct ($className) {
+		// Call parent constructor
+		parent::__construct($className);
+	}
+
+	/**
+	 * Setter for the decorated filter instance
+	 *
+	 * @param	$filterInstance		An instance of a filter
+	 * @return	void
+	 */
+	protected final function setFilterInstance (Filterable $filterInstance) {
+		$this->filterInstance = $filterInstance;
+	}
+
+	/**
+	 * Getter for the decorated filter instance
+	 *
+	 * @return	$filterInstance		An instance of a filter
+	 */
+	protected final function getFilterInstance () {
+		return $this->filterInstance;
+	}
+
+	/**
+	 * Execute the inner filter
+	 *
+	 * @param	$requestInstance	An instance of a Requestable class
+	 * @param	$responseInstance	An instance of a Responseable class
+	 * @return	void
+	 */
+	public final function execute (Requestable $requestInstance, Responseable $responseInstance) {
+		$this->getFilterInstance()->execute($requestInstance, $responseInstance);
+	}
+
+
+	/**
+	 * Do the execution of the filter
+	 *
+	 * @param	$requestInstance	An instance of a Requestable class
+	 * @param	$responseInstance	An instance of a Responseable class
+	 * @return	void
+	 */
+	abstract public function doExecute (Requestable $requestInstance, Responseable $responseInstance);
+
+}