public function force($bytes, $filename, Zend_Controller_Response_Abstract $response) {
        if (!strlen($bytes)) {
            $response->setBody('Sorry, we could not find the requested file.');
        } else {
            // Disable view and layout rendering
            Zend_Controller_Action_HelperBroker::getExistingHelper('viewRenderer')->setNoRender();
            Zend_Controller_Action_HelperBroker::getExistingHelper('layout')->disableLayout();
            
            // Process the download
            $this->_setHeaders($bytes, $filename, $response);
            $response->setBody($bytes);
        }
    }