How to ignore the @JsonProperty value while using the @RequestBody in controller to map value to DTO

Question

I want to MAP my HTTP request parameter value directly to my DTO USING @JsonProperty on the basis of the variable name not by @JsonProperty value. I am not able to map the value to DTO because it's expecting request value according to the JsonProperty name. Is there anyway to disable @JsonProperty value while using the @RequestBody ?

JSON send by frontend:

{
"userId":"1",
"payMethod":"payMethod"
}

MyDto.class public class MyDto{

    @JsonProperty(value = user_id, required = true)
    private String userId;


    @JsonProperty(value = BETAALMETHODE, required = true)
    private String payMethod;
//getter setter
   }

MyController.class

public class MyController{

  @RequestMapping(value = "payment", method = RequestMethod.PUT)
    public Integer PaymentUpdate(@RequestBody final MyDto myDto) throws JsonProcessingException {

}

If you're not going to use JsonProperty why did you define it in the first place? — lealceldeiro
– lealceldeiro, Commented Feb 27, 2020 at 11:04
@lealceldeiro I am using this property in one different process where i am uploading data by using the CSV file. — Ashish Choudhary
– Ashish Choudhary, Commented Feb 27, 2020 at 11:10

Ashish Karn · Accepted Answer · 2020-02-27 11:26:35Z

0

you can do this by using multiple setter method for that DTO method. For example

Payload:
{
"userId":"1",
"payMethod":"payMethod"
}

then

MyDto.class public class MyDto{

@JsonProperty(value = user_id, required = true)
    private String userId;


    @JsonProperty(value = BETAALMETHODE, required = true)
    private String payMethod;

add one more setter relevant to the required variable name in the DTO class.

@JsonSetter("specifiedName")
void setUserId(String userId){
     this.userId=userId
}

void setPayMethod(String payMethod){ // Will work for "BETAALMETHODE" variable name
     this.payMethod=payMethod
}
@JsonSetter("payMethod")
void setPayMethod(String payMethod){
     this.payMethod=payMethod
}

This will solve your problems and variable payMethod will assign in both the cases.

edited Feb 27, 2020 at 11:26

answered Feb 27, 2020 at 11:20

Ashish Karn

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1 Comment

Ashish Karn Over a year ago

Great but you implemented after four month.

User9123 · Accepted Answer · 2020-02-27 11:28:41Z

0

You can use JacksonMixin during csv parsing:

public abstract class MyDtoMixin {
    @JsonProperty(value = user_id, required = true)
    private String userId;

    @JsonProperty(value = BETAALMETHODE, required = true)
    private String payMethod;
}


ObjectMapper mapper = new ObjectMapper(); // or CsvMapper mapper = new CsvMapper();
mapper.addMixInAnnotations(MyDto.class, MyDtoMixin.class);

answered Feb 27, 2020 at 11:28

User9123

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1 Comment

Ashish Choudhary Over a year ago

Thanks for the suggestion but in this case, I have to create two DTO and I am avoiding this. :)

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