@Override
    public LocalDate deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {

        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd/MM/yyyy");

        String data = p.getValueAsString();;
        if (data.equals("")) return LocalDate.parse("01/01/0001", formatter);
        else return LocalDate.parse(data, formatter);
    }