Two version of exception hadling by controller advice

 

//    @ExceptionHandler({MethodArgumentNotValidException.class})
//    public ResponseEntity<ApiFail> handleValidationExceptions(
//            MethodArgumentNotValidException ex, HttpStatus httpStatus) {
//        Integer error_code_global = ex.hashCode();
//        Map<String, String> errors = new HashMap<>();
//        ex.getBindingResult().getAllErrors().forEach((error) -> {
//            String fieldName = ((FieldError) error).getField();
//            String errorMessage = error.getDefaultMessage();
//            Integer error_code = error.hashCode();
//            errors.put(fieldName, errorMessage);
//        });
//        Map data = new HashMap();
//        data.put("field", errors);
//        return new ResponseEntity<ApiFail>(new ApiFail(error_code_global, data), HttpStatus.BAD_REQUEST);
//    }
    @Override
    protected ResponseEntity<Object> handleMethodArgumentNotValid(MethodArgumentNotValidException ex, HttpHeaders headers, HttpStatusCode status, WebRequest request) {
        Map<String, Object> errorMessageBody = new LinkedHashMap<>();
        Map<String, Object> resBody = new LinkedHashMap<>();
        ex.getBindingResult()
                .getFieldErrors()
                .stream().forEach(error->{
                    errorMessageBody.put(error.getField(),error.getDefaultMessage());
                });
        resBody.put("success", false);
        resBody.put("message_code", status.value());
        resBody.put("data", errorMessageBody);
        return new ResponseEntity<>(resBody, headers, status);
    }