SpringBoot工厂模式----构造方式

interface

public interface MallTypeHandle {

  void check(Store store);

  MallType[] supports();


}

@Component
public class JDMallTypeHandle implements MallTypeHandle {

  @Override
  public void check(Store store) {
    Assert.mustNotEmpty(store.getSettingJson(), StoreError.PARAM_SETTING_NOT_EMPTY);
    JdStoreSetting setting = JsonUtils.toObject(store.getSettingJson(), JdStoreSetting.class);
    Assert.mustNotNull(setting.getJdType(), StoreError.JD_TYPE_NOT_EMPTY);
  }

  @Override
  public MallType[] supports() {
    return new MallType[]{MallType.JD};
  }
}

factory

@Component
public class MallTypeHandleFactory {
  @Resource
  private DefaultMallTypeHandleAbstract defaultMallTypeHandle;

  private  final HashMap<MallType, MallTypeHandle> map = new HashMap<>();

  @Autowired
  public MallTypeHandleFactory(List<MallTypeHandle> mallTypeHandles){
    mallTypeHandles.forEach(x->{
      MallType[] supports = x.supports();
      for (int i=0;i<supports.length;i++){
        map.put(supports[i],x);
      }
    });
  }


  public MallTypeHandle getHandle(MallType mallType){
    return map.getOrDefault(mallType,defaultMallTypeHandle);
  }

}