I'm using MapStruct to map between my entity and DTO classes. I have a nested property that I want to map without explicitly defining the @Mapping annotation for each nested property. I was wondering if there is a way to configure MapStruct to handle this implicitly by convention. I could find a matching configuration from the docs.
Here is a simplified version of my code:
@Mapper
public interface CompanyMapper {
CompanyMapper INSTANCE = Mappers.getMapper(CompanyMapper.class);
// I want to avoid defining this @Mapping annotation
// @Mapping(source = "country.name", target = "countryName") ► works but is to complicated for many properties in my opinion
//@Mapping(target = ".", source = "country") ► not working, performs a flat mapping not country*
CompanyDto toDto(Company company);
}
@Data
@Builder
class Company {
private String name;
private Country country;
}
@Data
@Builder
class Country {
private String name;
}
@Data
class CompanyDto {
private String name;
private String countryName;
}
@Test
void map() {
var country = Country.builder()
.name("France")
.build();
var company = Company.builder()
.country(country)
.name("Peugeot")
.build();
var companyDto = CompanyMapper.INSTANCE.toDto(company);
assertEquals("Peugeot", companyDto.getName());
assertEquals("France", companyDto.getCountryName());
}
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