uoa-monitor-service/src/main/java/eu/dnetlib/uoamonitorservice/handlers/ExceptionsHandler.java

package eu.dnetlib.uoamonitorservice.handlers;

import eu.dnetlib.uoamonitorservice.responses.ExceptionResponse;
import org.apache.log4j.Logger;
import org.springframework.data.crossstore.ChangeSetPersister;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.web.bind.MissingServletRequestParameterException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.support.MissingServletRequestPartException;

@ControllerAdvice
@RestController
public class ExceptionsHandler {
    private final Logger log = Logger.getLogger(this.getClass());

    @ExceptionHandler(MissingServletRequestParameterException.class)
    public ResponseEntity<ExceptionResponse> invalidInput(Exception ex) {
        ExceptionResponse response = new ExceptionResponse();
        response.setErrorCode("Validation Error");
        response.setErrorMessage("Invalid inputs");
        response.setErrors(ex.getMessage());
        response.setStatus(HttpStatus.BAD_REQUEST);
        log.error("invalidInput exception : "+ ex.getMessage());
        return new ResponseEntity<ExceptionResponse>(response, HttpStatus.BAD_REQUEST);
    }

    @ExceptionHandler(NullPointerException.class)
    public ResponseEntity<ExceptionResponse> nullPointerException(Exception ex) {
        ExceptionResponse response = new ExceptionResponse();
        response.setErrorCode("Null pointer Exception");
        response.setErrorMessage("Null pointer Exception");
        response.setErrors(ex.getMessage());
        response.setStatus(HttpStatus.BAD_REQUEST);
        log.error("nullPointerException exception : "+ ex.getMessage());
        return new ResponseEntity<ExceptionResponse>(response, HttpStatus.BAD_REQUEST);
    }

    @ExceptionHandler(ChangeSetPersister.NotFoundException.class)
    public ResponseEntity<ExceptionResponse> notFoundException(Exception ex) {
        ExceptionResponse response = new ExceptionResponse();
        response.setErrorCode("Not found Exception");
        response.setErrorMessage("Not found Exception");
        response.setErrors(ex.getMessage());
        response.setStatus(HttpStatus.NOT_FOUND);
        log.error("notFoundException exception : "+ ex.getMessage());
        return new ResponseEntity<ExceptionResponse>(response, HttpStatus.NOT_FOUND);
    }

    @ExceptionHandler(EntityNotFoundException.class)
    public ResponseEntity<ExceptionResponse> entityNotFoundException(Exception ex) {
        ExceptionResponse response = new ExceptionResponse();
        response.setErrorCode("Not found Exception");
        response.setErrorMessage("Entity not found Exception");
        response.setErrors(ex.getMessage());
        response.setStatus(HttpStatus.NOT_FOUND);
        log.error("entityNotFoundException exception : "+ ex.getMessage());
        return new ResponseEntity<ExceptionResponse>(response, HttpStatus.NOT_FOUND);
    }

    @ExceptionHandler(PathNotValidException.class)
    public ResponseEntity<ExceptionResponse> pathNotValidException(Exception ex) {
        ExceptionResponse response = new ExceptionResponse();
        response.setErrorCode("Not found Exception");
        response.setErrorMessage("Path not valid Exception");
        response.setErrors(ex.getMessage());
        response.setStatus(HttpStatus.NOT_FOUND);
        log.error("pathNotValidException exception : "+ ex.getMessage());
        return new ResponseEntity<ExceptionResponse>(response, HttpStatus.NOT_FOUND);
    }

    @ExceptionHandler(AccessDeniedException.class)
    public ResponseEntity<ExceptionResponse> accessDeniedException(Exception ex) {
        ExceptionResponse response = new ExceptionResponse();
        response.setErrorCode("Forbidden Exception");
        response.setErrorMessage("Access Denied Exception");
        response.setErrors(ex.getMessage());
        response.setStatus(HttpStatus.FORBIDDEN);
        log.error("accessDeniedException exception : "+ ex.getMessage());
        return new ResponseEntity<ExceptionResponse>(response, HttpStatus.FORBIDDEN);
    }
}