using System;

using System.Collections.Generic;

using System.Linq;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

​

​

    public class TestClass

    {

        public static string GetJson()

        {

            string json = @"

                { 

                    'SeparatedContexts': 

                    [

                        {

                            'ContextName' : 'Foo',

                            'Data' : 'Foo', 

                        },

                        {

                            'ContextName' : 'Bar',

                            'Data' : 'Bar', 

                        },

                        {

                            'ContextName' : 'default',

                            'Data' : 'default', 

                        },

                    ] 

                }";

            return json;

        }

​

        public static void Test()

        {

            TestJsonPathFilter();

            TestLinqFilter();

        }

​

        public static void TestJsonPathFilter()

        {

            Console.WriteLine("Test filtering with JSONPath:");

            var jobAsJObject = JToken.Parse(GetJson());

            var token = jobAsJObject.SelectTokens("SeparatedContexts[?(@.ContextName == 'default')]");

            Console.WriteLine(JsonConvert.SerializeObject(token, Formatting.Indented));

        }

​

        public static void TestLinqFilter()

        {

            Console.WriteLine("Test filtering with Linq:");

            var jobAsJObject = JToken.Parse(GetJson());

            var token = jobAsJObject.SelectTokens("SeparatedContexts[*]")

                .Where(o => (string)o.SelectToken("ContextName") == "default");

            Console.WriteLine(JsonConvert.SerializeObject(token, Formatting.Indented));

        }

    }

    public class Program

    {

        public static void Main()

        {

            TestClass.Test();

        }

    }