SpringBoot JACKSON configuration for JSON nested objects received by Spring MVC

Question

I have created Spring Boot app, in this app I have

@RestController
public class OfferController {

    @RequestMapping(value = "/saveOffer", method = RequestMethod.POST)
    public void saveOffer(@RequestBody Offer offer) {
    //...
    }
}

Offer class contain nested property of Address type

public class Offer {

   private String title;
   private Address address;

   //... getters setters etc
}

When I'm sending JSON from UI

{
  "offer": {
    "title":"TheBestOffer",
    "address": {
      "city": "Warsaw"
    }
  }
}

My REST controller receives Offer, Address property is null but title property contains value "TheBestOffer" (as it was sended).

As I assume JACKSON delivered with Spring boot require some extra configuration for nested objects? I have tried to do this but it didn't work :/

reos · Accepted Answer · 2015-11-27 13:46:41Z

3

Spring does this automatically, i think your problem is with the json.

You need to remove offer tag.

{
    "title":"TheBestOffer",
    "address": {
      "city": "Warsaw"
    }
}

answered Nov 27, 2015 at 13:46

reos

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3 Comments

Piotr Żak Over a year ago

But why it fill title property?

reos Over a year ago

I'm not sure why is setting the title property (I did some test and not set the value), but this is the correct way of send a request body.

Akash Sharma Over a year ago

What if a use case wants us to have the offer wrapper in request json as well. How can we handle that ?

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