MapStruct
public class Car {
private String make;
private int numberOfSeats;
private CarType type;
//constructor, getters, setters etc.
}
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public class CarDto {
private String make;
private int seatCount;
private String type;
//constructor, getters, setters etc.
}
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@Mapper
public interface CarMapper {
CarMapper INSTANCE = Mappers.getMapper(CarMapper.class);
@Mapping(source = "numberOfSeats", target = "seatCount")
CarDto toDto(Car car);
}
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@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");
}
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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>