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<?php
/**
* ownCloud - News
*
* @author Alessandro Cosentino
* @author Bernhard Posselt
* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
* @copyright 2012 Bernhard Posselt dev@bernhard-posselt.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\News\ArticleEnhancer;
class Enhancer {
private $enhancers = array();
public function registerEnhancer($feedUrl, ArticleEnhancer $enhancer){
$feedUrl = $this->removeTrailingSlash($feedUrl);
// create hashkeys for all supported protocols for quick access
$this->enhancers[$feedUrl] = $enhancer;
$this->enhancers['https://' . $feedUrl] = $enhancer;
$this->enhancers['http://' . $feedUrl] = $enhancer;
$this->enhancers['https://www.' . $feedUrl] = $enhancer;
$this->enhancers['http://www.' . $feedUrl] = $enhancer;
}
public function enhance($item, $feedUrl){
$feedUrl = $this->removeTrailingSlash($feedUrl);
if(array_key_exists($feedUrl, $this->enhancers)) {
return $this->enhancers[$feedUrl]->enhance($item);
} else {
return $item;
}
}
private function removeTrailingSlash($url) {
if($url[strlen($url)-1] === '/') {
return substr($url, 0, -1);
} else {
return $url;
}
}
}
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