public void handleException(
final ODataRequest request,
final ODataResponse response,
final ODataServerError serverError,
final Exception exception) {
lastThrownException = exception;
ErrorProcessor exceptionProcessor;
try {
exceptionProcessor = selectProcessor(ErrorProcessor.class);
} catch (ODataHandlerException e) {
// This cannot happen since there is always an ExceptionProcessor registered.
exceptionProcessor = new DefaultProcessor();
}
ContentType requestedContentType;
try {
requestedContentType =
ContentNegotiator.doContentNegotiation(
uriInfo == null ? null : uriInfo.getFormatOption(),
request,
getCustomContentTypeSupport(),
RepresentationType.ERROR);
} catch (final ContentNegotiatorException e) {
requestedContentType = ContentType.JSON;
}
final int measurementHandle =
debugger.startRuntimeMeasurement("ErrorProcessor", "processError");
exceptionProcessor.processError(request, response, serverError, requestedContentType);
debugger.stopRuntimeMeasurement(measurementHandle);
}
public ODataResponse process(final ODataRequest request) {
ODataResponse response = new ODataResponse();
final int responseHandle = debugger.startRuntimeMeasurement("ODataHandler", "process");
try {
processInternal(request, response);
} catch (final UriValidationException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (final UriParserSemanticException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (final UriParserSyntaxException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (final UriParserException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (ContentNegotiatorException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (SerializerException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (DeserializerException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (PreconditionException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (ODataHandlerException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e, null);
handleException(request, response, serverError, e);
} catch (ODataApplicationException e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e);
handleException(request, response, serverError, e);
} catch (Exception e) {
ODataServerError serverError = ODataExceptionHelper.createServerErrorObject(e);
handleException(request, response, serverError, e);
}
debugger.stopRuntimeMeasurement(responseHandle);
return response;
}
private void processInternal(final ODataRequest request, final ODataResponse response)
throws ODataApplicationException, ODataLibraryException {
final int measurementHandle =
debugger.startRuntimeMeasurement("ODataHandler", "processInternal");
response.setHeader(HttpHeader.ODATA_VERSION, ODataServiceVersion.V40.toString());
try {
validateODataVersion(request);
} catch (final ODataHandlerException e) {
debugger.stopRuntimeMeasurement(measurementHandle);
throw e;
}
final int measurementUriParser = debugger.startRuntimeMeasurement("UriParser", "parseUri");
try {
uriInfo =
new Parser()
.parseUri(
request.getRawODataPath(),
request.getRawQueryPath(),
null,
serviceMetadata.getEdm());
} catch (final ODataLibraryException e) {
debugger.stopRuntimeMeasurement(measurementUriParser);
debugger.stopRuntimeMeasurement(measurementHandle);
throw e;
}
debugger.stopRuntimeMeasurement(measurementUriParser);
final int measurementUriValidator =
debugger.startRuntimeMeasurement("UriValidator", "validate");
final HttpMethod method = request.getMethod();
try {
new UriValidator().validate(uriInfo, method);
} catch (final UriValidationException e) {
debugger.stopRuntimeMeasurement(measurementUriValidator);
debugger.stopRuntimeMeasurement(measurementHandle);
throw e;
}
debugger.stopRuntimeMeasurement(measurementUriValidator);
final int measurementDispatcher =
debugger.startRuntimeMeasurement("ODataDispatcher", "dispatch");
try {
new ODataDispatcher(uriInfo, this).dispatch(request, response);
} finally {
debugger.stopRuntimeMeasurement(measurementDispatcher);
debugger.stopRuntimeMeasurement(measurementHandle);
}
}
