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"); }

Maven Plugins

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-compiler-plugin</artifactId>
    <version>3.5.1</version>
    <configuration>
        <source>1.8</source>
        <target>1.8</target>
        <annotationProcessorPaths>
            <path>
                <groupId>org.mapstruct</groupId>
                <artifactId>mapstruct-processor</artifactId>
                <version>1.4.2.Final</version>
            </path>
            <path>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.18.4</version>
            </path>
            <path>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok-mapstruct-binding</artifactId>
                <version>0.2.0</version>
            </path>
        </annotationProcessorPaths>
    </configuration>
</plugin>

References

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