using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Serialization;

using System.Reflection;

public class Program

{

    public static void Main()

    {

        TestCase1();        

        TestCase2();

    }

    public static void TestCase1()

    {

        var json = @"{

                            status: false,

                            employee: {

                                firstName: 'Test',

                                lastName: 'Test_Last'

                            }

                        }";

​

        var result = JsonConvert.DeserializeObject<Response<Employee>>(json,new JsonSerializerSettings { ContractResolver = new GenericContractResolver<Employee>() });

        result.Dump();

    }

    public static void TestCase2()

    {

        var json = @"{

                            status: false,

                            student: {

                                fullname: 'john doe',

                                age: 35

                            }

                        }";

​

        var result = JsonConvert.DeserializeObject<Response<Student>>(json,new JsonSerializerSettings { ContractResolver = new GenericContractResolver<Student>() });

        result.Dump();

    }

}

​

public class GenericContractResolver<T> : DefaultContractResolver 

{

​

    protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)

    {

        var property = base.CreateProperty(member, memberSerialization);

        if (property.UnderlyingName == nameof(Response<T>.Item))

        {

            foreach( var attribute in System.Attribute.GetCustomAttributes(typeof(T)))

            {

                if(attribute is JsonObjectAttribute jobject)

                {

                    property.PropertyName = jobject.Title;

                }

            }

        }

        return property;

    }

}

​

public class Response<T> {

​

    [JsonProperty(PropertyName = "status")]

    public bool Status {get;set;}

​

    public T Item {get;set;}

​

}

​

​

[JsonObject(Title = "employee")]

public class Employee 

{

​

    [JsonProperty(PropertyName = "firstName")]

    public string FirstName {get; set;}

​

    [JsonProperty(PropertyName = "lastName")]

    public string LastName {get; set;}

​

}

​

[JsonObject(Title = "student")]

public class Student

{

​

    [JsonProperty(PropertyName = "fullname")]

    public string FullName {get; set;}

​

    [JsonProperty(PropertyName = "age")]

    public int Age {get; set;}

​

}