public function getFeed($location, $className = 'Zend_Gdata_Feed')
    {
        if (is_string($location)) {
            $uri = $location;
        } elseif ($location instanceof Zend_Gdata_Query) {
            $uri = $location->getQueryUrl();
        } else {
            require_once 'Zend/Gdata/App/InvalidArgumentException.php';
            throw new Zend_Gdata_App_InvalidArgumentException(
                'You must specify the location as either a string URI ' .
                'or a child of Zend_Gdata_Query');
        }
        return parent::getFeed($uri, $className);
    }