ValidationResponseChecker.java

@Component
public class ValidationResponseChecker<T> {
    private final BeanValidation<T> beanValidation;

    @Autowired
    public ValidationResponseChecker(BeanValidation<T> beanValidation) {
        this.beanValidation = beanValidation;
    }

    @SuppressWarnings("unchecked")
    public DataValidationCustomResponseEntity<T> validateUnmappedObject(Object object, Class<T> mainObject){
        var validationResponse = beanValidation.validateUnmappedObject(object, mainObject);

        BindingResult bindingResult = (BindingResult) validationResponse.get("bindingResult");

        if (bindingResult.hasErrors())
            return new DataValidationCustomResponseEntity<>(bindingResult, HttpStatus.BAD_REQUEST);

        return new DataValidationCustomResponseEntity<>((T) validationResponse.get("mappedObject"), bindingResult, HttpStatus.OK);
    }

    public DataValidationCustomResponseEntity<T> validateMappedObject(T object){
        var bindingResult = beanValidation.validate(object);

        if (bindingResult.hasErrors())
            return new DataValidationCustomResponseEntity<>(bindingResult, HttpStatus.BAD_REQUEST);

        return new DataValidationCustomResponseEntity<>(object, bindingResult, HttpStatus.OK);
    }
}