orika 对象拷贝
依赖
<!-- bean复制工具 -->
<dependency>
<groupId>ma.glasnost.orika</groupId>
<artifactId>orika-core</artifactId>
<version>1.5.2</version>
</dependency>
基本使用
MapperFactory mapperFactory = new DefaultMapperFactory.Builder().mapNulls(false).build();
// 1 List
mapperFactory.classMap(PersonNameList.class, PersonNameParts.class)
.field("nameLists[0]", "firstName")
.field("nameLists[1]", "lastName")
.register();
// 2 Map
Map<String, String> nameMap = new HashMap<>();
nameMap.put("first", "aaaaaa");
nameMap.put("last", "111111111");
mapperFactory.classMap(PersonNameMap.class, PersonNameParts.class)
.field("nameMap['first']", "firstName")
.field("nameMap[\"last\"]", "lastName")
.register();
ConverterFactory converterFactory = mapperFactory.getConverterFactory();
// 3 自定义类型转换 全局 全局方式注册:
converterFactory.registerConverter("jsonConvert", new JsonConfigConvert<BookInfo>());
mapperFactory.classMap(BookEntity.class, BookDTO.class)
.field("authorName", "author.name") // 对象嵌套字段
.field("authorBirthday", "author.birthday") // 对象嵌套字段
.fieldMap("bookInformation", "bookInfo").converter("jsonConvert").add() // 注册转换器
.byDefault() // 默认字段
.register();
MapperFacade mapperFacade = mapperFactory.getMapperFacade();
BookEntity bookEntity = new BookEntity(
"Harry",
"maoyz",
Date.from(LocalDate.of(1952, Month.MARCH, 11).atStartOfDay(ZoneId.systemDefault()).toInstant()),
"{\"isbn\": \"9787532754687\", \n \"page\": 279\n }");
// 使用
final BookDTO bookDTO = mapperFacade.map(bookEntity, BookDTO.class);
双向映射
public class JsonConfigConvert<T> extends BidirectionalConverter<T, String> {
private static final Logger logger = LoggerFactory.getLogger(JsonConfigConvert.class);
@Override
public String convertTo(T source, Type<String> destinationType, MappingContext mappingContext) {
logger.info("********************* JsonConfigConvert convertTo() ,source = {}, destinationType = {} ***********************", source, destinationType);
return JSON.toJSONString(source.toString());
}
@Override
public T convertFrom(String source, Type<T> destinationType, MappingContext mappingContext) {
logger.info("********************* JsonConfigConvert convertFrom() ,source = {}, destinationType = {} ***********************", source, destinationType);
return JSON.parseObject(source, destinationType.getRawType());
}
}
网友评论