How to convert json string to java object, if json property name and java object property are different

Question

I have one Json String like below:

 String empJson= {"id":"13480","name":"test","salary":29292"}

I want to convert above json string into Java object.

Emp.Java

@XmlRootElement
@XmlAccessorType(XmlAccessType.NONE)
public class Emp {
 @XmlElement(name="name")
 private String m_name;
 @XmlElement(name="id")
 private String m_id;
 @XmlElement(name="salary")
 private String m_salary;
 //setters and getters
}



 GsonBuilder gsonBuilder = new GsonBuilder();
    Gson gson = gsonBuilder.create();
    JsonElement jElement = gson.fromJson(empJson, JsonElement.class);
    System.out.println(jElement);
    Emp = gson.fromJson(jElement, Emp.class);
    System.out.println(" id : " + emp.getId());

But Emp object returning null values for all the fields.

Could you please help me on this.

Answer 1

Try after fixing input Json string

 String empJson= {"id":"13480","name":"test","salary":"29292"}

Answer 2

By using ObjectMapper and JaxbAnnotationModule I have resolved my isssue.

ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new JaxbAnnotationModule());
mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
Emp emp = mapper.readValue(jsonObject.toString(), Emp.class);
System.out.println("EmpName: " + emp.getName());