/**
* Common function to handle exceptions in the data service.
*
* @param Exception $exception exception occured
* @param DataService &$dataService dataservice
*
* @return nothing
*/
public static function handleException($exception, DataService &$dataService)
{
$acceptTypesText = $dataService->getHost()->getRequestAccept();
$responseContentType = null;
try {
$responseContentType = HttpProcessUtility::selectMimeType($acceptTypesText, array(ODataConstants::MIME_APPLICATION_XML, ODataConstants::MIME_APPLICATION_JSON));
} catch (HttpHeaderFailure $exception) {
$exception = new ODataException($exception->getMessage(), $exception->getStatusCode());
} catch (\Exception $exception) {
// Never come here
}
if (is_null($responseContentType)) {
$responseContentType = ODataConstants::MIME_APPLICATION_XML;
}
if (!$exception instanceof ODataException) {
$exception = new ODataException($exception->getMessage(), HttpStatus::CODE_INTERNAL_SERVER_ERROR);
}
$dataService->getHost()->setResponseVersion(ODataConstants::DATASERVICEVERSION_1_DOT_0 . ';');
// At this point all kind of exceptions will be converted
//to 'ODataException'
if ($exception->getStatusCode() == HttpStatus::CODE_NOT_MODIFIED) {
$dataService->getHost()->setResponseStatusCode(HttpStatus::CODE_NOT_MODIFIED);
} else {
$dataService->getHost()->setResponseStatusCode($exception->getStatusCode());
$dataService->getHost()->setResponseContentType($responseContentType);
$responseBody = null;
if (strcasecmp($responseContentType, ODataConstants::MIME_APPLICATION_XML) == 0) {
$responseBody = AtomODataWriter::serializeException($exception, true);
} else {
$responseBody = JsonODataWriter::serializeException($exception, true);
}
$dataService->getHost()->getWebOperationContext()->outgoingResponse()->setStream($responseBody);
}
}