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 System.Collections.ObjectModel;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/59384918/deserialize-json-object-that-is-sometimes-an-int-value

​

    public class MapResponse

    {

        [JsonProperty("metrics")]

        public long metrics { get; set; }

​

        [JsonProperty("map")]

        public Map[] map { get; set; }

    }

​

    public class Map

    {

        [JsonProperty("Alarm")]

        [JsonConverter(typeof(AlarmsConverter))]

        public Alarms Alarm { get; set; }

​

        [JsonProperty("GPRSPoints")]

        public GprsPoints GprsPoints { get; set; }

    }

​

    public class AlarmsConverter : JsonConverter<Alarms>

    {

        public override Alarms ReadJson(JsonReader reader, Type objectType, Alarms existingValue, bool hasExistingValue, JsonSerializer serializer)

        {

            switch (reader.MoveToContentAndAssert().TokenType)

            {

                case JsonToken.Null:

                case JsonToken.Integer:

                    return null;

                default:

                    var alarm = hasExistingValue ? existingValue : (Alarms)serializer.ContractResolver.ResolveContract(objectType).DefaultCreator();

                    serializer.Populate(reader, alarm);

                    return alarm;

            }

        }

​

        public override bool CanWrite => false;

​

        public override void WriteJson(JsonWriter writer, Alarms value, JsonSerializer serializer) => throw new NotImplementedException();

    }

    public static partial class JsonExtensions

    {

        public static JsonReader MoveToContentAndAssert(this JsonReader reader)

        {

            if (reader == null)

                throw new ArgumentNullException();

            if (reader.TokenType == JsonToken.None)       // Skip past beginning of stream.

                reader.ReadAndAssert();

            while (reader.TokenType == JsonToken.Comment) // Skip past comments.

                reader.ReadAndAssert();

            return reader;

        }

​

        public static JsonReader ReadAndAssert(this JsonReader reader)

        {

            if (reader == null)

                throw new ArgumentNullException();

            if (!reader.Read())

                throw new JsonReaderException("Unexpected end of JSON stream.");

            return reader;

        }

    }

    public class Alarms

    {

    }

​

    public class GprsPoints

    {

    }

​

    class TestClass

    {

        public static void Test()

        {

            var res = GetJson();

            MapResponse result = JsonConvert.DeserializeObject<MapResponse>(res);

​

            var newJson = JsonConvert.SerializeObject(result, Formatting.Indented);

            Console.WriteLine("Re-serialized {0}", result);

            Console.WriteLine(newJson);

        }   

        static string GetJson()

        {

            var json = @"{

   ""metrics"":""1"",

   ""map"":[

      {

         ""GPRSPoints"":{

            ""ID"":""349709508"",

            ""DataReceived"":""2019-12-16 11:30:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":0,

            ""Latitude"":-37.81026166666667,

            ""Liters"":0,

            ""Longitude"":144.962755,

            ""RPM"":-1,

            ""Speed"":0

         },

         ""Alarm"": /* Some Comment */ {

            ""ID"":""349709508"",

            ""Alarm"":""Ignition On"",

            ""AlarmId"":""16"",

            ""AlarmAddress"":""Melbourne Central, Elizabeth Street, Melbourne City, City of Melbourne, Victoria, 3000, Australia"",

            ""AlarmThreshold"":""0"",

            ""DataReceived"":""2019-12-16 11:30:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Latitude"":-37.81026166666667,

            ""Longitude"":144.962755,

            ""Liters"":0,

            ""RPM"":-1,

            ""Speed"":0

         }

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709519"",

            ""DataReceived"":""2019-12-16 11:30:27"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":0,

            ""Latitude"":-37.81026166666667,

            ""Liters"":0,

            ""Longitude"":144.962755,

            ""RPM"":-1,

            ""Speed"":0

         },

         ""Alarm"":{

            ""ID"":""349709519"",

            ""Alarm"":""Fatigue driving"",

            ""AlarmId"":""0D"",

            ""AlarmAddress"":""Melbourne Central, Elizabeth Street, Melbourne City, City of Melbourne, Victoria, 3000, Australia"",

            ""AlarmThreshold"":""240"",

            ""DataReceived"":""2019-12-16 11:30:27"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Latitude"":-37.81026166666667,

            ""Longitude"":144.962755,

            ""Liters"":0,

            ""RPM"":-1,

            ""Speed"":0

         }

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709550"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":0,

            ""Latitude"":-37.81026166666667,

            ""Liters"":0,

            ""Longitude"":144.962755,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709551"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":0,

            ""Latitude"":-37.81026166666667,

            ""Liters"":0,

            ""Longitude"":144.962755,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":/* Some Comment */ 0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709552"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":0,

            ""Latitude"":-37.81026166666667,

            ""Liters"":0,

            ""Longitude"":144.962755,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709554"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":163.9,

            ""Latitude"":-37.81124166666667,

            ""Liters"":0,

            ""Longitude"":144.96304833333335,

            ""RPM"":0,

            ""Speed"":1.0799999999999998

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709555"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":153.8,

            ""Latitude"":-37.80994333333334,

            ""Liters"":0,

            ""Longitude"":144.962625,

            ""RPM"":0,

            ""Speed"":0.612

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709556"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":6.4,

            ""Latitude"":-37.809958333333334,

            ""Liters"":0,

            ""Longitude"":144.96257666666668,

            ""RPM"":0,

            ""Speed"":1.5479999999999998

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709557"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":343.9,

            ""Latitude"":-37.80993,

            ""Liters"":0,

            ""Longitude"":144.96251333333333,

            ""RPM"":0,

            ""Speed"":1.188

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709558"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":343.9,

            ""Latitude"":-37.80992666666667,

            ""Liters"":0,

            ""Longitude"":144.96246666666667,

            ""RPM"":0,

            ""Speed"":0.39599999999999996

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709559"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":343.9,

            ""Latitude"":-37.809938333333335,

            ""Liters"":0,

            ""Longitude"":144.96243333333334,

            ""RPM"":0,

            ""Speed"":0.36

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709560"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":343.9,

            ""Latitude"":-37.80994666666667,

            ""Liters"":0,

            ""Longitude"":144.962395,

            ""RPM"":0,

            ""Speed"":0.7559999999999999

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709561"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":156.1,

            ""Latitude"":-37.80976666666667,

            ""Liters"":0,

            ""Longitude"":144.96213,

            ""RPM"":0,

            ""Speed"":1.404

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709562"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809868333333334,

            ""Liters"":0,

            ""Longitude"":144.96237,

            ""RPM"":0,

            ""Speed"":0.5399999999999999

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709563"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809875,

            ""Liters"":0,

            ""Longitude"":144.96233833333332,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709564"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709565"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709566"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709567"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709568"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709569"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709570"",

            ""DataReceived"":""2019-12-16 11:31:20"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710609"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710610"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710612"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710613"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710614"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710615"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710616"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349710617"",

            ""DataReceived"":""2019-12-16 11:31:44"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709573"",

            ""DataReceived"":""2019-12-16 11:31:49"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":0,

            ""Speed"":0

         },

         ""Alarm"":0

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709574"",

            ""DataReceived"":""2019-12-16 11:31:51"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":-1,

            ""Speed"":0

         },

         ""Alarm"":{

            ""ID"":""349709574"",

            ""Alarm"":""Ignition Off"",

            ""AlarmId"":""17"",

            ""AlarmAddress"":""Aurora Melbourne Central, Little La Trobe Street, Melbourne City, City of Melbourne, Victoria, 3000, Australia"",

            ""AlarmThreshold"":""0"",

            ""DataReceived"":""2019-12-16 11:31:51"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Latitude"":-37.809873333333336,

            ""Longitude"":144.96232666666666,

            ""Liters"":0,

            ""RPM"":-1,

            ""Speed"":0

         }

      },

      {

         ""GPRSPoints"":{

            ""ID"":""349709576"",

            ""DataReceived"":""2019-12-16 11:31:51"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Direction"":291.4,

            ""Latitude"":-37.809873333333336,

            ""Liters"":0,

            ""Longitude"":144.96232666666666,

            ""RPM"":-1,

            ""Speed"":0

         },

         ""Alarm"":{

            ""ID"":""349709576"",

            ""Alarm"":""Fatigue driving"",

            ""AlarmId"":""0D"",

            ""AlarmAddress"":""Aurora Melbourne Central, Little La Trobe Street, Melbourne City, City of Melbourne, Victoria, 3000, Australia"",

            ""AlarmThreshold"":""240"",

            ""DataReceived"":""2019-12-16 11:31:51"",

            ""IgnitionOn"":""2019-12-16 11:30:07"",

            ""Latitude"":-37.809873333333336,

            ""Longitude"":144.96232666666666,

            ""Liters"":0,

            ""RPM"":-1,

            ""Speed"":0

         }

      }

   ]

}

";

            return json;

        }

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            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;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.CodeBase.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​