File Source for Chain.php

<?php
/**
* MediaSearch
*
* LICENSE
*
* "THE BEER-WARE LICENSE" (Revision 42):
* "Sven Strittmatter" <ausserirdisch@sven-space.de> wrote this file.
* As long as you retain this notice you can do whatever you want with
* this stuff. If we meet some day, and you think this stuff is worth it,
* you can buy me a beer in return.
*
* $Author$
* $Revision$
*
* @category MediaSearch
* @package MediaSearch_Filter_KeyWords
* @copyright Copyright (c) 2009 Sven Strittmatter
*/
/**
* @see MediaSearch_Filter_AbstractChain
*/
require_once('MediaSearch/Filter/AbstractChain.php');
/**
* @see MediaSearch_Filter_KeyWords_Interface
*/
require_once('MediaSearch/Filter/KeyWords/Interface.php');
/**
* A concrete filter chain implementation to chain key word filters together.
*
* @category MediaSearch
* @package MediaSearch_Filter_KeyWords
* @copyright Copyright (c) 2009 Sven Strittmatter
*/
class MediaSearch_Filter_KeyWords_Chain extends MediaSearch_Filter_AbstractChain
implements MediaSearch_Filter_KeyWords_Interface {
const TRACE_LEVEL = 32;
/**
* Acceppts an array of key word string and processes each added fileter
* on this array.
*
* @access public
* @param array $input
*/
public function process(array $input) {
MediaSearch_Log::trace('Processing filters...', self::TRACE_LEVEL);
if (!$this->hasFilter()) {
MediaSearch_Log::warn('Doesnt have filters in chain!');
return;
}
foreach ($this->getFilters() as $filter) {
$input = $filter->process($input);
}
MediaSearch_log::trace('Processing finished.', self::TRACE_LEVEL);
return $input;
}
}

Source for file Chain.php