CODEWITHSUNDEEP
javajsonspringspring-bootjackson
Deekshith Anand
Deekshith Anand

Reputation: 2662

Return an array of objects with fieldName in spring boot

I am new to springboot. My requirement is as below. I have carModel class as below.

@Data
public class CarModel {
 private modelName;
 private available;
}

Now I have a rest endpoint that returns the list of objects. So the resource looked something like this.

@GetMapping("/models")
public List<CarModel> getModels(){ 
//Resource Body
}

But this return an array of objects in json, with no field name. But I need the the json , something like this:

{ "AllModels" : [ { "modelName" : "Ferrari", "available" : "Yes"} , {"modelName": "Tesla" , "available" : "Yes"} ]

How can I do this in spring boot? I do know of a solution by defining one more wrapper class with list of CarModel objects in it. But is there any better way of doing it(Something like any annotations, etc.,)

Thanks!

Upvotes: 0

Views: 905

Answers (1)

Przemek
Przemek

Reputation: 233

You can use ResponseEntity method that is already there available in Spring MVC. Would something like this work for you?

@GetMapping("/models")
    public ResponseEntity<List<CarModel>> getCars() {
        List<CarModel> carModels = service.methodThatReturnsListOfCarModels();
        return ResponseEntity.ok().body(new HashMap<>(){{put("AllModels", carModels);}});
    }

Upvotes: 1

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