/**
* Extracts the body from an http message and transforms the data into an
* array structure
*
* @param \PSX\Http\MessageInterface $message
* @param \PSX\Data\TransformerInterface $transformer
* @param string $readerType
* @return array
*/
public function extract(MessageInterface $message, TransformerInterface $transformer = null, $readerType = null)
{
$contentType = $message->getHeader('Content-Type');
$reader = $this->getRequestReader($contentType, $readerType);
$data = $reader->read($message);
// get transformer
if ($transformer === null) {
$transformer = $this->transformerManager->getTransformerByContentType($contentType);
}
if ($transformer instanceof TransformerInterface) {
$data = $transformer->transform($data);
}
return $data;
}
