using System;

using ChoETL;

using System.Text;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json.Linq;

​

public class Program

{

    public static void Main()

    {

            string json = @"[

      {

        ""Department"": ""Department1"",

        ""JobTitle"": ""JobTitle1"",

        ""FirstName"": ""FirstName1"",

        ""LastName"": ""LastName1""

      },

      {

        ""Department"": ""Department2"",

        ""JobTitle"": ""JobTitle2"",

        ""FirstName"": ""FirstName2"",

        ""LastName"": ""LastName2""

      },

      {

        ""Skill"": ""Painter"",

        ""FirstName"": ""FirstName3"",

        ""LastName"": ""LastName3""

      }

    ]";

​

        using (var r = ChoJSONReader<Person>.LoadText(json)

            .WithCustomRecordSelector(o =>

            {

                var pair = (Tuple<long, JObject>)o;

                var obj = pair.Item2;

​

                if (obj.ContainsKey("Skill"))

                    return typeof(Artist);

​

                return typeof(Employee);

            })

            )

        {

            foreach (var rec in r)

            {

                rec.Print();

            }

        }

    }

    public abstract class Person

    {

        public string FirstName { get; set; }

        public string LastName { get; set; }

    }

​

    public class Employee : Person

    {

        public string Department { get; set; }

        public string JobTitle { get; set; }

    }

​

    public class Artist : Person

    {

        public string Skill { get; set; }

    }

}