/**
* Getting the connector
*
* @param Courier $courier The courier this connector is for
*
* @return multitype:
*/
public static function getConnector(Courier $courier)
{
if (!isset(self::$_cache[$courier->getId()])) {
$className = trim($courier->getConnector());
self::$_cache[$courier->getId()] = new $className($courier);
}
return self::$_cache[$courier->getId()];
}
