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 Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

using Newtonsoft.Json.Schema;

​

// https://stackoverflow.com/questions/48757014/how-can-i-validate-json-with-json-net-when-the-types-are-different

​

    class TestClass

    {

        public static void Test()

        {

            foreach (var responseFromServer in GetJson())

            {

                Test(responseFromServer);

            }

        }

        public static void Test(string responseFromServer)

        {

            Console.WriteLine("\nTesting JSON: ");

            Console.WriteLine(responseFromServer);

            string planElevationListSchema = @"{

                'description': 'Plan elevation object array',

                'type': 'array',

                'items': {

                    'type': 'object',

                    'properties': {

                        'COMMUNITYNUMBER': { 'type': 'string' },

                        'PLANNUMBER': { 'type': 'string' },

                        'ELEVATION': { 'type': 'string' }

                    }

                }

            }"; 

            var schema = JsonSchema.Parse(planElevationListSchema); 

            var planElevations = JToken.Parse(responseFromServer.ToString());

​

            var isValid = (schema.Type == JsonSchemaType.Array && planElevations.Type != JTokenType.Array // Quick reject

                           ? false : planElevations.IsValid(schema));

            Console.WriteLine("isValidRoot = {0}", isValid);

        }

​

        static IEnumerable<string> GetJson()

        {

            var json = new []

            {

                "{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1700\",\"ELEVATION\":\"A\"}",

                "[{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1700\",\"ELEVATION\":\"A\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1700\",\"ELEVATION\":\"B\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1700\",\"ELEVATION\":\"C\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1700\",\"ELEVATION\":\"D\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1800\",\"ELEVATION\":\"A\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1800\",\"ELEVATION\":\"B\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1800\",\"ELEVATION\":\"C\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1800\",\"ELEVATION\":\"D\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1890\",\"ELEVATION\":\"A\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1890\",\"ELEVATION\":\"B\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1890\",\"ELEVATION\":\"C\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"1890\",\"ELEVATION\":\"D\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2270\",\"ELEVATION\":\"A\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2270\",\"ELEVATION\":\"B\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2270\",\"ELEVATION\":\"C\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2270\",\"ELEVATION\":\"D\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2440\",\"ELEVATION\":\"A\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2440\",\"ELEVATION\":\"B\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2440\",\"ELEVATION\":\"C\"},{\"COMMUNITYNUMBER\":\"44002050000\",\"PLANNUMBER\":\"2440\",\"ELEVATION\":\"D\"}]",

            };

            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;

            }

        }

    }

​

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

​