protected function doKernelResponse(Request $request, Response $response)
{
if (!$response instanceof DataResponse) {
return;
}
$routeName = $request->attributes->get('_route');
$route = $this->routes->get($routeName);
if (!$route) {
return;
}
$acceptedFormat = $route->getOption(RouteOptions::ACCEPTED_FORMAT);
if (!$acceptedFormat) {
$response->setContent('');
$response->setStatusCode(406);
}
if ($this->encoder->supportsEncoding($acceptedFormat) && $acceptedFormat === 'json') {
$contentType = $request->getMimeType($acceptedFormat);
$jsonResponse = new JsonResponse($response->getContent());
$response->setContent($jsonResponse->getContent());
$response->headers->set('Content-Type', $contentType);
} elseif ($this->encoder->supportsEncoding($acceptedFormat)) {
$contentType = $request->getMimeType($acceptedFormat);
$content = $this->encoder->encode($response->getContent(), $acceptedFormat);
$response->setContent($content);
$response->headers->set('Content-Type', $contentType);
}
}
/**
* Attempts to retrieve the format from the header identified by $headerName which is found in the $request object.
* A default value will be returned if the format can not be retrieved.
* As opposed to the getFormat() method, this method will also check if $serializer supports the retrieved
* format. If it doesn't, an exception is thrown.
* @param Request $request
* @param string $headerName
* @param EncoderInterface $serializer
* @return string
*/
public function getSupportedFormat(Request $request, $headerName, EncoderInterface $serializer)
{
$format = $this->parseFormatFromHeader($request, $headerName);
if (!$serializer->supportsEncoding($format)) {
throw new UnsupportedFormatException(sprintf('Format %s is unsupported', $format), UnsupportedFormatException::CODE);
}
return $format;
}