public final ResponseEntity<Object> handleException(Exception ex, WebRequest request) {
HttpHeaders headers = new HttpHeaders();
if (ex instanceof NoSuchRequestHandlingMethodException) {
HttpStatus status = HttpStatus.NOT_FOUND;
return handleNoSuchRequestHandlingMethod((NoSuchRequestHandlingMethodException) ex, headers, status, request);
}
else if (ex instanceof HttpRequestMethodNotSupportedException) {
HttpStatus status = HttpStatus.METHOD_NOT_ALLOWED;
return handleHttpRequestMethodNotSupported((HttpRequestMethodNotSupportedException) ex, headers, status, request);
}
else if (ex instanceof HttpMediaTypeNotSupportedException) {
HttpStatus status = HttpStatus.UNSUPPORTED_MEDIA_TYPE;
return handleHttpMediaTypeNotSupported((HttpMediaTypeNotSupportedException) ex, headers, status, request);
}
else if (ex instanceof HttpMediaTypeNotAcceptableException) {
HttpStatus status = HttpStatus.NOT_ACCEPTABLE;
return handleHttpMediaTypeNotAcceptable((HttpMediaTypeNotAcceptableException) ex, headers, status, request);
}
else if (ex instanceof MissingServletRequestParameterException) {
HttpStatus status = HttpStatus.BAD_REQUEST;
return handleMissingServletRequestParameter((MissingServletRequestParameterException) ex, headers, status, request);
}
else if (ex instanceof ServletRequestBindingException) {
HttpStatus status = HttpStatus.BAD_REQUEST;
return handleServletRequestBindingException((ServletRequestBindingException) ex, headers, status, request);
}
else if (ex instanceof ConversionNotSupportedException) {
HttpStatus status = HttpStatus.INTERNAL_SERVER_ERROR;
return handleConversionNotSupported((ConversionNotSupportedException) ex, headers, status, request);
}
else if (ex instanceof TypeMismatchException) {
HttpStatus status = HttpStatus.BAD_REQUEST;
return handleTypeMismatch((TypeMismatchException) ex, headers, status, request);
}
else if (ex instanceof HttpMessageNotReadableException) {
HttpStatus status = HttpStatus.BAD_REQUEST;
return handleHttpMessageNotReadable((HttpMessageNotReadableException) ex, headers, status, request);
}
else if (ex instanceof HttpMessageNotWritableException) {
HttpStatus status = HttpStatus.INTERNAL_SERVER_ERROR;
return handleHttpMessageNotWritable((HttpMessageNotWritableException) ex, headers, status, request);
}
else if (ex instanceof MethodArgumentNotValidException) {
HttpStatus status = HttpStatus.BAD_REQUEST;
return handleMethodArgumentNotValid((MethodArgumentNotValidException) ex, headers, status, request);
}
else if (ex instanceof MissingServletRequestPartException) {
HttpStatus status = HttpStatus.BAD_REQUEST;
return handleMissingServletRequestPart((MissingServletRequestPartException) ex, headers, status, request);
}
else if (ex instanceof BindException) {
HttpStatus status = HttpStatus.BAD_REQUEST;
return handleBindException((BindException) ex, headers, status, request);
}
else {
logger.warn("Unknown exception type: " + ex.getClass().getName());
HttpStatus status = HttpStatus.INTERNAL_SERVER_ERROR;
return handleExceptionInternal(ex, null, headers, status, request);
}
}