ExceptionHandler

gistfile1.java

/**
 * Deny Prasetyo, S.T.
 * jasoet87@gmail.com
 * [at] jasoet
 * github.com/jasoet
 * bitbucket.org/jasoet
 */
public abstract class BaseExceptionHandler extends BaseLogHelper {

    @ResponseStatus(HttpStatus.NOT_FOUND)
    @ExceptionHandler({NoResultException.class})
    public void handle(NoResultException ex, HttpServletResponse response) {
        ex.printStackTrace();
        response.setHeader("Exception Message", ex.getMessage());
    }

    @ResponseStatus(HttpStatus.NOT_FOUND)
    @ExceptionHandler({EmptyResultDataAccessException.class})
    public void handle(EmptyResultDataAccessException ex, HttpServletResponse response) {
        ex.printStackTrace();
        response.setHeader("Exception Message", ex.getMessage());
    }

    @ResponseStatus(HttpStatus.NOT_FOUND)
    @ExceptionHandler({IllegalStateException.class})
    public void handle(IllegalStateException ex, HttpServletResponse response) {
        ex.printStackTrace();
        response.setHeader("Exception Message", ex.getMessage());
    }

    @ResponseStatus(HttpStatus.NOT_ACCEPTABLE)
    @ExceptionHandler({MethodArgumentNotValidException.class})
    public void handle(MethodArgumentNotValidException ex, HttpServletResponse response) throws IOException {

        ex.printStackTrace();

        Map<String, String> errorMap = new HashMap<String, String>();
        for (FieldError error : ex.getBindingResult().getFieldErrors()) {
            errorMap.put(error.getField(), error.getDefaultMessage());
        }


        response.setHeader("Exception Message", new ObjectMapper().writeValueAsString(errorMap));
    }

    @ResponseStatus(HttpStatus.NOT_ACCEPTABLE)
    @ExceptionHandler({DataIntegrityViolationException.class})
    public void handle(DataIntegrityViolationException ex, HttpServletResponse response) throws IOException {
        ex.printStackTrace();
        response.setHeader("Exception Message", ex.getMessage());
    }

    @ResponseStatus(HttpStatus.UNSUPPORTED_MEDIA_TYPE)
    @ExceptionHandler({HttpMediaTypeNotSupportedException.class})
    public void handle(HttpMediaTypeNotSupportedException ex, HttpServletResponse response) throws IOException {
        ex.printStackTrace();
        response.setHeader("Exception Message", ex.getMessage());
    }
}