Support for implicit conversion between java.time.LocalDate and java.time.LocalDateTime #3199

LocalDateTime localDateTime = xmlGregorianCalendarToLocalDateTime( localDateToXmlGregorianCalendar( date ) ); 

        private static LocalDateTime xmlGregorianCalendarToLocalDateTime( XMLGregorianCalendar xcal ) {
            if ( xcal == null ) {
                return null;
            }

            if ( xcal.getYear() != DatatypeConstants.FIELD_UNDEFINED
                && xcal.getMonth() != DatatypeConstants.FIELD_UNDEFINED
                && xcal.getDay() != DatatypeConstants.FIELD_UNDEFINED
                && xcal.getHour() != DatatypeConstants.FIELD_UNDEFINED
                && xcal.getMinute() != DatatypeConstants.FIELD_UNDEFINED
            ) { //some mapping }
            return null;
        }

private XMLGregorianCalendar localDateToXmlGregorianCalendar( LocalDate localDate ) {
            if ( localDate == null ) {
                return null;
            }

            return datatypeFactory.newXMLGregorianCalendarDate(
                localDate.getYear(),
                localDate.getMonthValue(),
                localDate.getDayOfMonth(),
                DatatypeConstants.FIELD_UNDEFINED );
        }

    public XMLGregorianCalendar newXMLGregorianCalendarDate(
            final int year,
            final int month,
            final int day,
            final int timezone) {

            return newXMLGregorianCalendar(
                    year,
                    month,
                    day,
                    DatatypeConstants.FIELD_UNDEFINED, // hour
                    DatatypeConstants.FIELD_UNDEFINED, // minute
                    DatatypeConstants.FIELD_UNDEFINED, // second
                    DatatypeConstants.FIELD_UNDEFINED, // millisecond
                    timezone);
            }

@Mapper
public interface IssueBelkinmikeMapper {

    IssueBelkinmikeMapper INSTANCE = Mappers.getMapper( IssueBelkinmikeMapper.class );

    LocalDateTime map(LocalDate date);
}

@WithClasses({
    IssueBelkinmikeMapper.class
})
@IssueKey("belkinmike")
class IssueBelkinmikeMapperTest {

    @ProcessorTest
    void throwsException() {
        LocalDate source = LocalDate.of(2022, 2, 2);
        LocalDateTime target = IssueBelkinmikeMapper.INSTANCE.map(source);
        assertThat(target).isNotNull();
    }
}

class EntityDto {
    LocalDate dateFrom;
}
class Entity {
    LocalDate dateFrom;
}

interface MyMapper {
    EntityDto map(Entity e);
}

class EntityDto {
    LocalDateTime dateFrom;
}
class Entity {
    LocalDate dateFrom;
}

interface MyMapper {
    EntityDto map(Entity e);
}