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<?php
/**
*
* @package MediaWiki
*
* Constructor class for data kept in external repositories
*
* External repositories might be populated by maintenance/async
* scripts, thus partial moving of data may be possible, as well
* as possibility to have any storage format (i.e. for archives)
*
*/
class ExternalStore {
/* Fetch data from given URL */
function fetchFromURL($url) {
global $wgExternalStores;
if (!$wgExternalStores)
return false;
@list($proto,$path)=explode('://',$url,2);
/* Bad URL */
if ($path=="")
return false;
/* Protocol not enabled */
if (!in_array( $proto, $wgExternalStores ))
return false;
$class='ExternalStore'.ucfirst($proto);
/* Preloaded modules might exist, especially ones serving multiple protocols */
if (!class_exists($class)) {
if (!include_once($class.'.php'))
return false;
}
$store=new $class();
return $store->fetchFromURL($url);
}
/* XXX: may require other methods, for store, delete,
* whatever, for initial ext storage
*/
}
?>
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