+++ /dev/null
-<?php
-/**
- * A filter chain for pre and post filters
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @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
- *
- * 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 FilterChain extends BaseFrameworkSystem {
- /**
- * All filters together
- */
- private $filters = array();
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
-
- // Clean up a little
- $this->removeNumberFormaters();
- $this->removeSystemArray();
- }
-
- /**
- * Creates an instance of this class
- *
- * @return $chainInstance An instance of this class
- */
- public final static function createFilterChain () {
- // Get a new instance
- $chainInstance = new FilterChain();
-
- // Return the prepared instance
- return $chainInstance;
- }
-
- /**
- * Add a new filter
- *
- * @param $filerInstance An instance of a filter class
- * @return void
- */
- public final function addFilter (Filterable $filterInstance) {
- $this->filters[] = $filterInstance;
- }
-
- /**
- * Process all added filters
- *
- * @param $requestInstance An instance of a request class
- * @param $responseInstance An instance of a response class
- * @return void
- */
- public function processFilters (Requestable $requestInstance, Responseable $responseInstance) {
- // Run all filters
- //* DEBUG */ echo "COUNT=".count($this->filters)."<br />\n";
- foreach ($this->filters as $filterInstance) {
- // Try to execute this filter
- try {
- //* DEBUG */ echo "FILTER: ".$filterInstance->__toString().": Processing started.<br />\n";
- $filterInstance->execute($requestInstance, $responseInstance);
- //* DEBUG */ echo "FILTER: ".$filterInstance->__toString().": Processing ended.<br />\n";
- } catch (FilterChainException $e) {
- // This exception can be thrown to just skip any further processing
- break;
- }
- } // END - foreach
- }
-}
-
-// [EOF]
-?>