/**
* Constructor.
*
* @param array $data Array to be serialized
* @param string $format serialization format, text, xml or json available
* @param integer $status The response status code
* @param array $headers An array of response headers
*
* @throws \InvalidArgumentException When the HTTP status code is not valid
*
* @api
*/
public function __construct($data = null, $format = 'json', $status = 200, $headers = array())
{
parent::__construct('', $status, $headers);
if ($format == 'text') {
if (isset($data)) {
$this->setContent($data);
}
$this->headers->set('Content-Type', 'text/plain');
} else {
$this->format = $format;
$serializer = $this->getSerializer();
if (isset($data)) {
$this->setContent($serializer->serialize($data, $this->format));
}
$this->headers->set('Content-Type', 'application/' . $this->format);
}
}
