private BasicPerson createBasicPerson(String name, int age, Date time) {
BasicPerson basicPerson = new BasicPerson();
basicPerson.setName(name);
basicPerson.setAge(age);
basicPerson.setBirthDate(time);
return basicPerson;
}
@Test
public void shouldMapNestedElement() {
// given
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().build();
mapperFactory
.classMap(BasicPerson.class, BasicPersonDto.class)
.field("nestedElement.nip", "nip")
.register();
BasicPerson bp = new BasicPerson();
NestedElement nestedElement = new NestedElement();
nestedElement.setNip(NIP);
bp.setNestedElement(nestedElement);
// when
MapperFacade mapperFacade = mapperFactory.getMapperFacade();
BasicPersonDto result = mapperFacade.map(bp, BasicPersonDto.class);
// then
assertThat(result.getNip()).isNotNull();
assertThat(result.getNip()).isEqualTo(NIP);
assertThat(result.getFirstName()).isNull();
assertThat(result.getLastName()).isNull();
assertThat(result.getBirthDate()).isNull();
assertThat(result.getCurrentAge()).isEqualTo(0);
assertThat(result.getFullName()).isNull();
}
@Test
public void shouldMapMapElements() {
// given
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().build();
mapperFactory
.classMap(BasicPerson.class, BasicPersonDto.class)
.field("namePartsMap[\"first\"]", "firstName")
.field("namePartsMap['second']", "lastName")
.register();
BasicPerson bp = new BasicPerson();
Map<String, String> nameParamsMap = new HashMap<String, String>();
nameParamsMap.put("first", "Jan");
nameParamsMap.put("second", "Kowalski");
bp.setNamePartsMap(nameParamsMap);
// when
MapperFacade mapperFacade = mapperFactory.getMapperFacade();
BasicPersonDto result = mapperFacade.map(bp, BasicPersonDto.class);
// then
assertThat(result.getFirstName()).isEqualTo("Jan");
assertThat(result.getLastName()).isEqualTo("Kowalski");
assertThat(result.getBirthDate()).isNull();
assertThat(result.getCurrentAge()).isEqualTo(0);
assertThat(result.getFullName()).isNull();
}
@Test
public void shouldMapListElements() {
// given
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().build();
mapperFactory
.classMap(BasicPerson.class, BasicPersonDto.class)
.field("nameParts[0]", "firstName")
.field("nameParts[1]", "lastName")
.register();
BasicPerson bp = new BasicPerson();
bp.setNameParts(Lists.asList("Jan", new String[] {"Kowalski"}));
// when
MapperFacade mapperFacade = mapperFactory.getMapperFacade();
BasicPersonDto result = mapperFacade.map(bp, BasicPersonDto.class);
// then
assertThat(result.getFirstName()).isEqualTo("Jan");
assertThat(result.getLastName()).isEqualTo("Kowalski");
assertThat(result.getBirthDate()).isNull();
assertThat(result.getCurrentAge()).isEqualTo(0);
assertThat(result.getFullName()).isNull();
}
@Test
public void shouldExplicitlySpecifyConstructor() {
// given
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().build();
mapperFactory
.classMap(BasicPerson.class, BasicPersonDtoWithConstructor.class)
.constructorB("birthDate")
.fieldAToB("name", "fullName")
// .field("age", "currentAge")
.byDefault()
.register();
BasicPerson bp = createBasicPerson("Jan", 20, Calendar.getInstance().getTime());
// when
MapperFacade mapperFacade = mapperFactory.getMapperFacade();
BasicPersonDtoWithConstructor result =
mapperFacade.map(bp, BasicPersonDtoWithConstructor.class);
// then
assertThat(result.getFullName()).isEqualTo(bp.getName());
assertThat(result.getCurrentAge()).isEqualTo(0); // !!
assertThat(result.getBirthDate()).isNotNull();
}
@Test
public void shouldCustomizeMapping() {
// given
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().build();
mapperFactory
.classMap(BasicPerson.class, BasicPersonDto.class)
.field("age", "currentAge")
.byDefault()
.customize(
new CustomMapper<BasicPerson, BasicPersonDto>() {
@Override
public void mapAtoB(
BasicPerson basicPerson, BasicPersonDto basicPersonDto, MappingContext context) {
Joiner joiner = Joiner.on(" ");
String fullName =
joiner
.appendTo(
new StringBuilder(basicPerson.getName()).append(" "),
basicPerson.getNameParts())
.toString();
basicPersonDto.setFullName(fullName);
}
})
.register();
BasicPerson bp = createBasicPerson("Jan", 20, Calendar.getInstance().getTime());
bp.setNameParts(Lists.asList("von", new String[] {"Kowalski"}));
// when
MapperFacade mapperFacade = mapperFactory.getMapperFacade();
BasicPersonDto result = mapperFacade.map(bp, BasicPersonDto.class);
// then
assertThat(result.getFullName()).isEqualTo("Jan von Kowalski");
assertThat(result.getCurrentAge()).isEqualTo(bp.getAge());
assertThat(result.getBirthDate()).isNotNull();
}
@Test
public void shouldRegisterClassMap() {
// given
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().build();
mapperFactory
.classMap(BasicPerson.class, BasicPersonDto.class)
.field("name", "fullName")
.field("age", "currentAge")
.register();
BasicPerson bp = createBasicPerson("Jan", 20, Calendar.getInstance().getTime());
// when
MapperFacade mapperFacade = mapperFactory.getMapperFacade();
BasicPersonDto result = mapperFacade.map(bp, BasicPersonDto.class);
// then
assertThat(result.getFullName()).isEqualTo(bp.getName());
assertThat(result.getCurrentAge()).isEqualTo(bp.getAge());
assertThat(result.getBirthDate()).isNull();
}
@Test
public void shouldUseOnlyOneDirectionMapping() {
// given
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().build();
mapperFactory
.classMap(BasicPerson.class, BasicPersonDto.class)
.fieldAToB("name", "fullName")
.field("age", "currentAge")
.field("birthDate", "birthDate")
.register();
BasicPerson bpSrc = createBasicPerson("Jan", 20, Calendar.getInstance().getTime());
BasicPersonDto bpDtoSrc = new BasicPersonDto();
bpDtoSrc.setFullName("Jan");
bpDtoSrc.setCurrentAge(20);
bpDtoSrc.setBirthDate(Calendar.getInstance().getTime());
// when
BoundMapperFacade<BasicPerson, BasicPersonDto> boundMapper =
mapperFactory.getMapperFacade(BasicPerson.class, BasicPersonDto.class);
BasicPersonDto bpDtoDest = boundMapper.map(bpSrc);
BasicPerson bpDest = boundMapper.mapReverse(bpDtoSrc);
// then
assertThat(bpDtoDest.getCurrentAge()).isEqualTo(bpSrc.getAge());
assertThat(bpDtoDest.getFullName()).isEqualTo(bpSrc.getName());
assertThat(bpDtoDest.getBirthDate()).isEqualTo(bpSrc.getBirthDate());
assertThat(bpDest.getAge()).isEqualTo(bpDtoSrc.getCurrentAge());
assertThat(bpDest.getName()).isNull();
assertThat(bpDest.getBirthDate()).isEqualTo(bpDtoSrc.getBirthDate());
}