Mapping List to Map and vice versa

[Gin]

Hi,

Is it possible to map:

public class Source {
    List<ObjectA> data;
}

to

public class Dest {
    Map<String, ObjectB> data;
}

?

I suspect this would take two steps, firstly converting the list to a map with value ObejctA and mapping both maps where ObejctA would be mapped to ObejctB.

Any hint how where to start with the modelMapper on this would be much appreciated.

Regards,

Gintas

[Chun Han Hsiao]

Hi Gintas,

We don't have predefined converter to convert a list to a map. But you can defined a custom converter for that.

Converter<List<ObjectA>, Map<String, ObjectB>> converter = new Converter<>() {
  @Override
  public Map<String, ObjectB> convert(Context<List<ObjectA>, Map<String, ObjectB>> ctx) {
    // your code here
  }
}
modelMapper.addMappings(new PropertyMap<List<ObjectA>, Map<String, ObjectB>>() {
  @Override
  public void configure() {
    using(converter).map().setData(source.getData());
  }
});

Regards,

Chun Han

Gin於 2018年5月14日星期一 UTC+8上午12時47分53秒寫道：

[Gintautas Sulskus]

Thank you, Chun. 

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