/**
* Render this view
* @param \Rest\Server $rest
* @return \Rest\Server
*/
public function execute(\Rest\Server $rest)
{
// get the result value object to output
$response_data = @$rest->getParameter("response");
$response_data = isset($response_data) ? $response_data : new \Rest\Responses\ResponseData();
$response = $rest->getResponse();
$response->addHeader(\Rest\Http\HeaderConstants::HTTP_VERSION_1_1 . $response_data->code);
$response->addHeader(\Rest\Http\HeaderConstants::CONTENT_NO_CACHE);
if (!is_null($response_data->data)) {
$response->addHeader(\Rest\Http\HeaderConstants::CONTENT_TYPE_PNG);
$response->setResponse($response_data->data);
}
return $rest;
}