[Fork] questions/52303222/deserialize-nested-json-into-c-sharp-class

CSharp · Console

/Program.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization.Formatters;
using System.IO;
using System.Data;
using System.ComponentModel.DataAnnotations;
using System.Globalization;
using System.Reflection;

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Serialization;	

using NUnit.Framework;

//https://stackoverflow.com/questions/52303222/deserialize-nested-json-into-c-sharp-class

	public class Info
	{
		public string prop1 {get;set;}
		public string prop2 {get;set;}
		public int prop3 {get;set;}
		// Modified from 
		//public Dictionary<string, List<int>> prop4 {get;set}
		public List<Dictionary<string, int>> prop4 {get;set;}
	}

	public class Response
	{
		// Modified from 
		//public class Dictionary<string, List<Info>> Item {get;set;}
		public Dictionary<string, Info> Items {get;set;}
	}

    class TestClass
    {
        public static void Test()
        {
			var json = GetJson();
			
			var root = JsonConvert.DeserializeObject<Response>(json);
			
			var json2 = JsonConvert.SerializeObject(root, Formatting.Indented, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
			
			Console.WriteLine("Deserialized and re-serialized {0}:", root);
			Console.WriteLine(json2);
		}
		
		static string GetJson()
		{
			var json = @"{
    ""Items"": {
        ""Item_1A"": {
            ""prop1"": ""string"",
            ""prop2"": ""string"",
            ""prop3"": 1,
            ""prop4"": [{
                ""prop_x"": 100
            },
            {
                ""prop_y"": 200
            }]
        },
        ""Item2B"": {
            ""prop1"": ""string"",
            ""prop2"": ""string"",
            ""prop3"": 14,
            ""prop4"": [{
                ""prop_z"": 300
            }]
        }
    }
}";
			return json;
		}
	}

	public class Program
	{
		public static void Main()
		{
			Console.WriteLine("Environment version: " + Environment.Version);
			Console.WriteLine("Json.NET version: " + typeof(JsonSerializer).Assembly.FullName);
			Console.WriteLine();

			try
			{
				TestClass.Test();
			}
			catch (Exception ex)
			{
				Console.WriteLine("Failed with unhandled exception: ");
				Console.WriteLine(ex);
				throw;
			}
		}
	}