@Override
public Response toResponse(Throwable throwable) {
    logger.error("Unexpected", throwable);
    String errorMsg;
    Response response = null;
    if (throwable instanceof NotFoundException) {
        errorMsg = "{\"code\":404, \"message\":\"" + throwable.getMessage() + "\"}";
        response = Response.status(NOT_FOUND).entity(errorMsg).build();
    } else if (throwable instanceof NotAllowedException) {
        errorMsg = "{\"code\":405, \"message\":\"" + throwable.getMessage() + "\"}";
        response = Response.status(METHOD_NOT_ALLOWED).entity(errorMsg).build();
    } else {
        errorMsg = "{\"code\":500, \"message\":\"" + throwable.getMessage() + "\"}";
        response = Response.status(INTERNAL_SERVER_ERROR).entity(errorMsg).build();
    }
    return response;
}
 

@Override
public Response toResponse(Exception e) {

    WrapperResponseEntity response = null;
    if (e instanceof NotFoundException) {
        response = new WrapperResponseEntity(ResponseCode.NOT_FOUND);
    } else if (e instanceof NotAllowedException) {
        response = new WrapperResponseEntity(ResponseCode.FORBIDDEN);
    } else if (e instanceof JsonProcessingException) {
        response = new WrapperResponseEntity(ResponseCode.ERROR_JSON);
    } else if (e instanceof NotSupportedException) {
        response = new WrapperResponseEntity(ResponseCode.UNSUPPORTED_MEDIA_TYPE);
    } else {
        response = excetionWrapper != null ? excetionWrapper.toResponse(e) : null;
        if (response == null)
            response = new WrapperResponseEntity(ResponseCode.INTERNAL_SERVER_ERROR);
    }
    return Response.status(response.httpStatus()).type(MediaType.APPLICATION_JSON)
        .entity(response).build();
}
 

/**
 * Initialize the response.
 * @param parent the parent resource
 * @param child the child resource
 * @return a response builder
 */
public ResponseBuilder initialize(final Resource parent, final Resource child) {
    if (MISSING_RESOURCE.equals(parent)) {
        // Can't POST to a missing resource
        throw new NotFoundException();
    } else if (DELETED_RESOURCE.equals(parent)) {
        // Can't POST to a deleted resource
        throw new ClientErrorException(GONE);
    } else if (getExtensionGraphName() != null
            || ldpResourceTypes(parent.getInteractionModel()).noneMatch(LDP.Container::equals)) {
        // Can't POST to an ACL resource or non-Container
        throw new NotAllowedException(GET, Stream.of(HEAD, OPTIONS, PATCH, PUT, DELETE).toArray(String[]::new));
    } else if (!MISSING_RESOURCE.equals(child) && !DELETED_RESOURCE.equals(child)) {
        throw new ClientErrorException(CONFLICT);
    } else if (!supportsInteractionModel(ldpType)) {
        throw new BadRequestException("Unsupported interaction model provided", status(BAD_REQUEST)
            .link(UnsupportedInteractionModel.getIRIString(), LDP.constrainedBy.getIRIString()).build());
    } else if (ldpType.equals(LDP.NonRDFSource) && rdfSyntax != null) {
        LOGGER.error("Cannot save {} as a NonRDFSource with RDF syntax", getIdentifier());
        throw new BadRequestException("Cannot save resource as a NonRDFSource with RDF syntax");
    }

    setParent(parent);
    return status(CREATED);
}
 

@Override
public Response toResponse(Exception e) {

	WrapperResponseEntity response = null;
	if (e instanceof NotFoundException) {
		response = new WrapperResponseEntity(ResponseCode.NOT_FOUND);
	} else if (e instanceof NotAllowedException) {
		response = new WrapperResponseEntity(ResponseCode.FORBIDDEN);
	} else if (e instanceof JsonProcessingException) {
		response = new WrapperResponseEntity(ResponseCode.ERROR_JSON);
	} else if (e instanceof NotSupportedException) {
		response = new WrapperResponseEntity(ResponseCode.UNSUPPORTED_MEDIA_TYPE);
	} else {
		response = excetionWrapper != null ? excetionWrapper.toResponse(e) : null;
		if(response == null)response = new WrapperResponseEntity(ResponseCode.INTERNAL_SERVER_ERROR);
	}
	return Response.status(response.httpStatus()).type(MediaType.APPLICATION_JSON).entity(response).build();
}
 

/**
 * {@inheritDoc}
 */
@Override
public Response toResponse(final NotAllowedException exception) {
    if (L.isDebugEnabled()) {
        L.debug(R.getString("D-REST-JERSEY-MAPPER#0006"));
    }
    ErrorMessage error = ErrorMessages.create(exception)
        .code(ErrorCode.METHOD_NOT_ALLOWED.code())
        .resolve()
        .get();
    L.warn(error.log(), exception);
    return Response.status(exception.getResponse().getStatusInfo())
        .entity(error)
        .type(MediaType.APPLICATION_JSON)
        .build();
}
 

@Override
public Response toResponse(Exception exception) {
    logger.error("Error: {}", exception.getMessage());

    Response.Status responseCode = Response.Status.INTERNAL_SERVER_ERROR;
    String message = exception.getMessage();
    if (exception instanceof NotFoundException) {
        responseCode = Response.Status.NOT_FOUND;
        message = exception.getMessage();
    } else if (exception instanceof BadRequestException) {
        responseCode = Response.Status.BAD_REQUEST;
        message = exception.getMessage();
    } else if (exception instanceof NotAllowedException) {
        responseCode = Response.Status.METHOD_NOT_ALLOWED;
    } else if (exception instanceof WebApplicationException) {
        WebApplicationException realException = (WebApplicationException) exception;
        int response = realException.getResponse().getStatus();
        responseCode = Response.Status.fromStatusCode(response);
    }
    return ResponseFactory.response(responseCode, new ErrorResponse(responseCode.getStatusCode(), message));
}
 

@Test
void inheritedTypeAreCompatibleTest() {

    Type type = ClassFactory.getGenericType(WebApplicationExceptionHandler.class);
    ClassFactory.checkIfCompatibleType(WebApplicationException.class, type, "Fail");
    ClassFactory.checkIfCompatibleType(NotAllowedException.class, type, "Fail");
}
 

@Override
public Response toResponse(final NotAllowedException e) {
    final Response.Status error = Response.Status.METHOD_NOT_ALLOWED;
    return Response
        .status(error)
        .type(MediaType.APPLICATION_JSON_TYPE)
        .entity(convert(e, error.getStatusCode()))
        .build();
}
 

@Override
public Response toResponse(final NotAllowedException e) {
    final Response.Status error = Response.Status.METHOD_NOT_ALLOWED;
    return Response
        .status(error)
        .type(MediaType.APPLICATION_JSON_TYPE)
        .entity(convert(e, error.getStatusCode()))
        .build();
}
 

@Path("{a:.*}")
@DefaultMethod
public Response handle() {
    if (HttpMethod.GET.equals(request.getMethod())) {
        String id = ui.getPathParameters().getFirst("id");
        Book book = books.get(id);
        return Response.ok(book, headers.getAcceptableMediaTypes().get(0)).build();
    }
    throw new NotAllowedException("GET");
}
 

/**
 * Tests the response for a request with a bad method.
 */
@Test
public void badMethod() {
    WebTarget wt = target();
    try {
        wt.path("hosts").request().delete(String.class);
        fail("Fetch of non-existent URL did not throw an exception");
    } catch (NotAllowedException ex) {
        assertThat(ex.getMessage(),
                containsString("HTTP 405 Method Not Allowed"));
    }
}
 

@Test
public void testNonExistingEndpoint(){
    try {

        clientSetup.getRestClient()
                   .pathResource( getOrgAppPath( "non_existant_delete_endpoint" ) ).delete( );
        fail("Should have thrown below exception");

    }catch(NotAllowedException e){
        assertEquals( 405,e.getResponse().getStatus());
    }
}
 

@Test
public void testNotImplementedException(){
    try {

        clientSetup.getRestClient().management().orgs().delete( true );
        fail("Should have thrown below exception");

    }catch(NotAllowedException e){
        assertEquals( 405,e.getResponse().getStatus());
    }
}
 

@Test
public void testDeleteFromWrongEndpoint(){
    try {
        clientSetup.getRestClient()
                   .pathResource( clientSetup.getOrganizationName() + "/" + clientSetup.getAppName()  ).delete( );
        fail("Should have thrown below exception");

    }catch(NotAllowedException e){
        assertEquals( 405,e.getResponse().getStatus());
    }
}
 

@Test
public void testUnsupportedServiceOperation(){
    try {
        clientSetup.getRestClient()
                   .pathResource( getOrgAppPath( "users" ) ).delete( );
        fail("Should have thrown below exception");

    }catch(NotAllowedException e){
        assertEquals( 405,e.getResponse().getStatus());
    }
}
 

private ODataErrorContext createErrorContext(final WebApplicationException exception) {
  ODataErrorContext context = new ODataErrorContext();
  if (uriInfo != null) {
    context.setRequestUri(uriInfo.getRequestUri());
  }
  if (httpHeaders != null && httpHeaders.getRequestHeaders() != null) {
    MultivaluedMap<String, String> requestHeaders = httpHeaders.getRequestHeaders();
    Set<Entry<String, List<String>>> entries = requestHeaders.entrySet();
    for (Entry<String, List<String>> entry : entries) {
      context.putRequestHeader(entry.getKey(), entry.getValue());
    }
  }
  context.setContentType(getContentType().toContentTypeString());
  context.setException(exception);
  context.setErrorCode(null);
  context.setMessage(exception.getMessage());
  context.setLocale(DEFAULT_RESPONSE_LOCALE);
  context.setHttpStatus(HttpStatusCodes.fromStatusCode(exception.getResponse().getStatus()));
  if (exception instanceof NotAllowedException) {
    // RFC 2616, 5.1.1: " An origin server SHOULD return the status code
    // 405 (Method Not Allowed) if the method is known by the origin server
    // but not allowed for the requested resource, and 501 (Not Implemented)
    // if the method is unrecognized or not implemented by the origin server."
    // Since all recognized methods are handled elsewhere, we unconditionally
    // switch to 501 here for not-allowed exceptions thrown directly from
    // JAX-RS implementations.
    context.setHttpStatus(HttpStatusCodes.NOT_IMPLEMENTED);
    context.setMessage("The request dispatcher does not allow the HTTP method used for the request.");
    context.setLocale(Locale.ENGLISH);
  }
  return context;
}
 

@Test
public void testNotAllowedJaxRsException() throws Exception {
  // prepare
  String message = "The request dispatcher does not allow the HTTP method used for the request.";
  Exception exception = new NotAllowedException(Response.status(Response.Status.METHOD_NOT_ALLOWED).header(HttpHeaders.ALLOW, "GET").build());

  // execute
  Response response = exceptionMapper.toResponse(exception);

  // verify
  verifyResponse(response, message, HttpStatusCodes.NOT_IMPLEMENTED);
}
 

@Override
public Response toResponse(NotAllowedException exception) {
    logger.info(String.format("%s. Returning %s response.", exception, Status.METHOD_NOT_ALLOWED));
    logger.debug(StringUtils.EMPTY, exception);
    return Response.status(Status.METHOD_NOT_ALLOWED).entity(exception.getMessage()).type("text/plain").build();
}
 

@Override
public Response toResponse(WebApplicationException exception) {

  ServiceError error = newDto(ServiceError.class).withMessage(exception.getMessage());

  if (exception instanceof BadRequestException) {
    return Response.status(Response.Status.BAD_REQUEST)
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  } else if (exception instanceof ForbiddenException) {
    return Response.status(Response.Status.FORBIDDEN)
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  } else if (exception instanceof NotFoundException) {
    return Response.status(Response.Status.NOT_FOUND)
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  } else if (exception instanceof NotAuthorizedException) {
    return Response.status(Response.Status.UNAUTHORIZED)
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  } else if (exception instanceof NotAcceptableException) {
    return Response.status(Status.NOT_ACCEPTABLE)
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  } else if (exception instanceof NotAllowedException) {
    return Response.status(Status.METHOD_NOT_ALLOWED)
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  } else if (exception instanceof NotSupportedException) {
    return Response.status(Status.UNSUPPORTED_MEDIA_TYPE)
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  } else {
    return Response.serverError()
        .entity(DtoFactory.getInstance().toJson(error))
        .type(MediaType.APPLICATION_JSON)
        .build();
  }
}
 

@Override
public Response toResponse(NotAllowedException exception) {
    return ExceptionMapperUtils.buildResponse(exception, Response.Status.METHOD_NOT_ALLOWED);
}
 

@GET
public EmptyTest exception() {
    throw new NotAllowedException("not allowed");
}
 

@Override
public Response toResponse( NotAllowedException e ) {
    return toResponse( METHOD_NOT_ALLOWED, e );
}