MapStruct

public class Car { private String make; private int numberOfSeats; private CarType type; //constructor, getters, setters etc. }	public class CarDto { private String make; private int seatCount; private String type; //constructor, getters, setters etc. }
@Mapper public interface CarMapper { CarMapper INSTANCE = Mappers.getMapper(CarMapper.class); @Mapping(source = "numberOfSeats", target = "seatCount") CarDto toDto(Car car); }
@Test public void shouldMapCarToDto() { Car car = new Car("Morris", 5, CarType.SEDAN); CarDto dto = CarMapper.INSTANCE.toDto(car); //then assertThat(dto).isNotNull(); assertThat(dto.getMake()).isEqualTo("Morris"); assertThat(dto.getSeatCount()).isEqualTo(5); assertThat(dto.getType()).isEqualTo("SEDAN"); }

References

Mapping Collections with MapStruct IntelliJ IDEA MapStruct Support Quick Guide to MapStruct MapStruct Lombok