Spring MVC Rest Service JSON - Setting default value for boolean as true

Question

Setting default value for boolean as true

This is the dto clas which is having boolean value in it.

DTO class

public class SensitivityDto extends AuditableEntity implements Serializable {
    private static final long serialVersionUID = 1L;


    private long sensitivityId;
    @JsonIgnore
    private boolean isSelected;

    public SensitivityDto() {
    }
    /** other getter/setters */
    public boolean isIsSelected() {
        return isSelected;
    }

    public void setIsSelected(boolean isSelected) {
        this.isSelected = isSelected;
    }

}

input json

{
  "sensitivity": {
    "sensitivityId": 100,
    "isSelected": "true", // if not passing this field always its treated as null.

  }
}

Controller

public @ResponseBody ResultDecorator saveLabResultCultureDetails(@RequestBody SensitivityDto sensitivityDto) throws  Exception {

}

How can I set boolean value default to true, So that if this value is not present in json, then it should not be false it should be true.

Arpit Aggarwal · Accepted Answer · 2017-01-08 12:11:10Z

3

What about?

@JsonIgnore
private boolean isSelected = true;

From the comment:

then even I'm sending false in json, its takng as true

You have to remove @JsonIgnore and use @JsonAutoDetect, as follows:

import java.io.Serializable;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;

@JsonAutoDetect(fieldVisibility = Visibility.ANY, getterVisibility = Visibility.NONE, setterVisibility = Visibility.NONE)
public class SensitivityDto extends AuditableEntity implements Serializable {
    private static final long serialVersionUID = 1L;

    private long sensitivityId;


    private boolean isSelected = true;

    public SensitivityDto() {
    }

    /** other getter/setters */
    public boolean isIsSelected() {
        return isSelected;
    }

    public void setIsSelected(boolean isSelected) {
        this.isSelected = isSelected;
    }

}

edited Jan 8, 2017 at 12:11

answered Jan 8, 2017 at 9:14

Arpit Aggarwal

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4 Comments

user630209 Over a year ago

then even I'm sending false in json, its takng as true

dunni Over a year ago

Why did you add the @JsonIgnore annotation if you don't want to ignore it?

user630209 Over a year ago

Response I don't need that. So added. I required that in request.

dunni Over a year ago

Then remove the @JsonIgnore and use a @JsonView for your response, where that field is excluded in the response. With @JsonIgnore you can't distinguish between request and response, it will always be ignored in JSON serialization or deserialization.

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