Map json string value to enum type value

Question

I am working in a SpringBoot project.

In my model class I have a enum type property:

public class Car {
   CarType type;
   ...
}

The enum CarType:

public enum CarType {
  SEDAN, HATCHBACK, SUV
}

In my DTO layer, the payload of request should tell the car type, normally it uses String type to indicate car type:

public class RequestPayload {
   String carType;
   ...
}

But if I define it as enum type:

public class RequestPayload {
       CarType carType;
       ...
}

I wonder is there a way to directly map the value from json to enum type value?

Trushit Shekhda · Accepted Answer · 2020-04-07 05:24:54Z

1

Yes, you can define carType as an enum in your DTO Layer.

public class RequestPayload {
       CarType carType;
       ...
}

It will Automatically Maps Json value to enum and in case value doesn't match enum values then will throw an Exception.

answered Apr 7, 2020 at 5:24

Trushit Shekhda

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2 Comments

Leem Over a year ago

Do you mean springboot will automatically maps json to enum? Or who will do so exactly? Do I need to have dependency of some 3rd party library to do so?

Trushit Shekhda Over a year ago

No, you don't need any Third party Library to do the same. Springboot will Automatically maps it.

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