Spring Bood @ControllerAdvice

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Usage

Case: Hello

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@ControllerAdvice
class SystemErrorController {
    private val logger = LogManager.getLogger(SystemErrorController::class)

    @ExceptionHandler(Exception::class)
    fun handleError(ex: Exception): ResponseEntity<Any> {
        logger.error("handleError(): $ex")
        val error = Error(500, HttpStatus.INTERNAL_SERVER_ERROR.name)
        return ResponseEntity(error, HttpStatus.INTERNAL_SERVER_ERROR)
    }


    @ExceptionHandler(MethodArgumentNotValidException::class, MissingServletRequestParameterException::class)
    fun handleArgumentError(ex: Exception): ResponseEntity<Any> {
        logger.error("handleArgumentError(): $ex")
        val error = Error(ErrorCode.BODY_ARGUMENT_IS_INVALID.value, ex.message ?: "")
        return ResponseEntity(error, HttpStatus.BAD_REQUEST)
    }
}


//  Unit Testing
StandaloneMockMvcBuilder mockMvc = MockMvcBuilders.standaloneSetup(new OrderController()).setControllerAdvice(adviceController);
RestAssuredMockMvc.standaloneSetup(mockMvc);