RestExceptionHandler.java

package pl.commit.craft.error;

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.web.ErrorResponse;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.context.request.WebRequest;
import java.time.LocalDateTime;
import java.util.LinkedHashMap;
import java.util.Map;

@ControllerAdvice
public class RestExceptionHandler {

    @ExceptionHandler(IllegalArgumentException.class)
    public ResponseEntity<ErrorResponse> handleIllegalArgumentException(IllegalArgumentException ex, WebRequest request) {
        ErrorResponseCommiting errorResponseCommiting = new ErrorResponseCommiting("INVALID_ARGUMENT", ex.getMessage());
        return new ResponseEntity<>(errorResponseCommiting, HttpStatus.BAD_REQUEST);
    }

    @ExceptionHandler(HttpMessageNotReadableException.class)
    public ResponseEntity<Object> handleHttpMessageNotReadableException(HttpMessageNotReadableException ex) {
        Map<String, Object> body = new LinkedHashMap<>();
        body.put("timestamp", LocalDateTime.now());
        body.put("status", HttpStatus.BAD_REQUEST.value());
        body.put("error", "Invalid JSON request");
        body.put("message", ex.getLocalizedMessage());
        body.put("path", "");

        return new ResponseEntity<>(body, HttpStatus.BAD_REQUEST);
    }

    @ExceptionHandler(Exception.class)
    public ResponseEntity<Object> handleGeneralException(Exception ex) {
        Map<String, Object> body = new LinkedHashMap<>();
        body.put("timestamp", LocalDateTime.now());
        body.put("status", HttpStatus.INTERNAL_SERVER_ERROR.value());
        body.put("error", "Internal Server Error");
        body.put("message", ex.getLocalizedMessage());
        body.put("path", "");

        return new ResponseEntity<>(body, HttpStatus.INTERNAL_SERVER_ERROR);
    }
}