/**
* Detect and set the output format and mimetype
*
* This method bases it's detection on the ACCEPT header passed
* to the API.
*
* @return array of mimetype, outputFormat and params
*/
public function detectOutputFormat()
{
$mimetypes = Frapi_Output::getMimeTypeMap();
if ($mimetypes) {
$this->mimeMaps = $mimetypes;
}
$types = $this->parseAcceptHeader();
$return = array('outputFormat' => false, 'mimetype' => false, 'params' => array());
if (!empty($types)) {
$mimetypes = $this->parseMimeTypes();
foreach ($types as $type) {
if (isset($this->mimeMaps[$type['mimetype']])) {
$return['outputFormat'] = $this->mimeMaps[$type['mimetype']];
$return['mimetype'] = $type['mimetype'];
$return['params'] = isset($type['params']) ? $type['params'] : array();
break;
} else {
foreach ($mimetypes as $mimetype) {
$matches = array();
if (preg_match($mimetype['pattern'], $type['mimetype'], $matches)) {
$return['mimetype'] = $type['mimetype'];
$return['params'] = isset($type['params']) ? $type['params'] : array();
if ($mimetype['output_format'][0] == ':') {
$format = substr($mimetype['output_format'], 1);
if (!empty($matches[$format]) && Frapi_Rules::validateOutputType($matches[$format])) {
$return['outputFormat'] = $matches[$format];
}
} else {
$return['outputFormat'] = $mimetype['output_format'];
}
foreach ($mimetype['params'] as $param) {
$return['params'][$param] = $matches[$param];
}
break 2;
}
}
}
}
}
// Final catch-all (for cases like Accept: */*)
if (!$return['outputFormat']) {
$return['outputFormat'] = $this->getDefaultFormatFromConfiguration();
$return['mimetype'] = Frapi_Output::getMimeTypeByFormat($return['outputFormat']);
}
$this->setOutputFormat($return['outputFormat']);
return $return;
}
/**
* reads the Content-Type header; sets request body format if a valid mime type exists
*
* @return void
*/
public function setInputFormat()
{
$contentType = isset($_SERVER['CONTENT_TYPE']) ? $_SERVER['CONTENT_TYPE'] : null;
$mimetypes = Frapi_Output::getMimeTypeMap();
if ($mimetypes) {
$this->mimeMaps = $mimetypes;
}
if (!empty($contentType) && isset($this->mimeMaps[$contentType]) && in_array($this->mimeMaps[$contentType], $this->allowedInputTypes)) {
$this->inputFormat = $this->mimeMaps[$contentType];
}
}
