/**
* Writes the $record with the writer $writerType or depending on the get
* parameter format or of the mime type of the Accept header
*
* @param \PSX\Data\RecordInterface $record
* @param string $writerType
* @return void
*/
private function setResponse(RecordInterface $record, $writerType = null)
{
// find best writer type
$writer = $this->getResponseWriter($writerType);
// set writer specific settings
$this->configureWriter($writer);
// write the response
$response = $writer->write($record);
// the response may have multiple presentations based on the Accept
// header field
if (!$this->response->hasHeader('Vary')) {
$this->response->setHeader('Vary', 'Accept');
}
// set content type header if not available
if (!$this->response->hasHeader('Content-Type')) {
$contentType = $writer->getContentType();
if ($contentType !== null) {
$this->response->setHeader('Content-Type', $contentType);
}
}
// for iframe file uploads we need an text/html content type header even
// if we want serve json content. If all browsers support the FormData
// api we can send file uploads per ajax but for now we use this hack.
// Note do not rely on this param it will be removed as soon as possible
if (isset($_GET['htmlMime'])) {
$this->response->setHeader('Content-Type', 'text/html');
}
$this->response->getBody()->write($response);
}
public function send(ResponseInterface $response)
{
// remove body on specific status codes
if (in_array($response->getStatusCode(), array(100, 101, 204, 304))) {
$response->setBody(new StringStream(''));
} elseif ($response->hasHeader('Location')) {
$response->setBody(new StringStream(''));
}
if ($this->shouldSendHeader()) {
// if we have an file stream body set custom header
$this->prepareFileStream($response);
// send status line
$this->sendStatusLine($response);
// send headers
$this->sendHeaders($response);
}
// send body
$this->sendBody($response);
}
/**
* Method which checks whether this is an valid response from an google
* server
*/
protected function assertGoogleResponse(ResponseInterface $response)
{
$this->assertTrue($response->getStatusCode() >= 200 && $response->getStatusCode() < 400);
// google server always response with an Server header
$this->assertTrue($response->hasHeader('Server'));
// we assume that the response should be more the 128 bytes
$this->assertTrue(strlen((string) $response->getBody()) > 128);
}
/**
* Returns an array containing all headers which gets saved in the cache
*
* @param \PSX\Http\ResponseInterface $response
* @return array
*/
protected function getCacheHeaders(ResponseInterface $response)
{
$headers = array('Last-Modified' => date(DateTime::HTTP));
if ($response->hasHeader('Content-Type')) {
$headers['Content-Type'] = $response->getHeader('Content-Type');
}
return $headers;
}
