using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

using System.Collections.ObjectModel;

using System.Reflection;

using System.Runtime.Serialization;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;

    // https://stackoverflow.com/questions/42333667/how-to-get-all-the-array-values-for-a-given-descendant-in-a-json

​

    class TestClass

    {

        static string GetJson()

        {

            var json = @" {

  ""hasLoadMore"": true,

  ""groups"": [

    {

      ""order"": 0,

      ""title"": ""string"",

      ""total"": 0,

      ""dateFormat"": ""string"",

      ""messages"": [

        {

          ""commsId"": 0,

          ""commsDirectionCode"": ""string"",

          ""commsReasonCRSNN"": 0,

          ""commsDeliveryChannelCDCHN"": ""string"",

          ""commsDeliveryStateCode"": ""string"",

          ""commsDeliveryDttm"": ""2017-02-14T02:20:52.836Z"",

          ""commsSuccessFlag"": true,

          ""commsCode"": ""string"",

          ""commsName"": ""string"",

          ""commsRankingNumb"": 0,

          ""customerGrainCUSGN"": 0,

          ""productItemCode"": ""string"",

          ""sourceApplBAPPN"": 0,

          ""sourceCommsRefn"": ""string"",

          ""parentCommsId"": 0,

          ""campaignDttm"": ""2017-02-14T02:20:52.836Z"",

          ""campaignCode"": ""string"",

          ""campaignName"": ""string"",

          ""contentValidStartDttm"": ""2017-02-14T02:20:52.836Z"",

          ""contentValidEndDttm"": ""2017-02-14T02:20:52.836Z"",

          ""trackingCode"": ""string"",

          ""headlineDisplayText"": ""string"",

          ""contentDisplayText"": ""string"",

          ""topic"": ""string"",

          ""topicIconClass"": ""string"",

          ""contentTemplateId"": 0,

          ""contentTemplateVersNumb"": 0,

          ""archiveDate"": ""2017-02-14T02:20:52.836Z"",

          ""commsParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""contentTemplateParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""callToAction"": [

            {

              ""displayText"": ""string1"",

              ""uri"": ""string1""

            },

            {

              ""displayText"": ""string2"",

              ""uri"": ""string2""

            }

          ],

          ""isFlagged"": true,

          ""isSeen"": true,

          ""isRead"": true,

          ""isActioned"": true

        },

        {

          ""commsId"": 0,

          ""commsDirectionCode"": ""string"",

          ""commsReasonCRSNN"": 0,

          ""commsDeliveryChannelCDCHN"": ""string"",

          ""commsDeliveryStateCode"": ""string"",

          ""commsDeliveryDttm"": ""2017-02-14T02:20:52.836Z"",

          ""commsSuccessFlag"": true,

          ""commsCode"": ""string"",

          ""commsName"": ""string"",

          ""commsRankingNumb"": 0,

          ""customerGrainCUSGN"": 0,

          ""productItemCode"": ""string"",

          ""sourceApplBAPPN"": 0,

          ""sourceCommsRefn"": ""string"",

          ""parentCommsId"": 0,

          ""campaignDttm"": ""2017-02-14T02:20:52.836Z"",

          ""campaignCode"": ""string"",

          ""campaignName"": ""string"",

          ""contentValidStartDttm"": ""2017-02-14T02:20:52.836Z"",

          ""contentValidEndDttm"": ""2017-02-14T02:20:52.836Z"",

          ""trackingCode"": ""string"",

          ""headlineDisplayText"": ""string"",

          ""contentDisplayText"": ""string"",

          ""topic"": ""string"",

          ""topicIconClass"": ""string"",

          ""contentTemplateId"": 0,

          ""contentTemplateVersNumb"": 0,

          ""archiveDate"": ""2017-02-14T02:20:52.836Z"",

          ""commsParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""contentTemplateParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""callToAction"": [

            {

              ""displayText"": ""string3"",

              ""uri"": ""string3""

            },

            {

              ""displayText"": ""string4"",

              ""uri"": ""string4""

            }

          ],

          ""isFlagged"": true,

          ""isSeen"": true,

          ""isRead"": true,

          ""isActioned"": true

        }

       ]

    },

    {

      ""order"": 0,

      ""title"": ""string"",

      ""total"": 0,

      ""dateFormat"": ""string"",

      ""messages"": [

        {

          ""commsId"": 0,

          ""commsDirectionCode"": ""string"",

          ""commsReasonCRSNN"": 0,

          ""commsDeliveryChannelCDCHN"": ""string"",

          ""commsDeliveryStateCode"": ""string"",

          ""commsDeliveryDttm"": ""2017-02-14T02:20:52.836Z"",

          ""commsSuccessFlag"": true,

          ""commsCode"": ""string"",

          ""commsName"": ""string"",

          ""commsRankingNumb"": 0,

          ""customerGrainCUSGN"": 0,

          ""productItemCode"": ""string"",

          ""sourceApplBAPPN"": 0,

          ""sourceCommsRefn"": ""string"",

          ""parentCommsId"": 0,

          ""campaignDttm"": ""2017-02-14T02:20:52.836Z"",

          ""campaignCode"": ""string"",

          ""campaignName"": ""string"",

          ""contentValidStartDttm"": ""2017-02-14T02:20:52.836Z"",

          ""contentValidEndDttm"": ""2017-02-14T02:20:52.836Z"",

          ""trackingCode"": ""string"",

          ""headlineDisplayText"": ""string"",

          ""contentDisplayText"": ""string"",

          ""topic"": ""string"",

          ""topicIconClass"": ""string"",

          ""contentTemplateId"": 0,

          ""contentTemplateVersNumb"": 0,

          ""archiveDate"": ""2017-02-14T02:20:52.836Z"",

          ""commsParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""contentTemplateParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""callToAction"": [

            {

              ""displayText"": ""string5"",

              ""uri"": ""string5""

            },

            {

              ""displayText"": ""string6"",

              ""uri"": ""string6""

            }

          ],

          ""isFlagged"": true,

          ""isSeen"": true,

          ""isRead"": true,

          ""isActioned"": true

        },

        {

          ""commsId"": 0,

          ""commsDirectionCode"": ""string"",

          ""commsReasonCRSNN"": 0,

          ""commsDeliveryChannelCDCHN"": ""string"",

          ""commsDeliveryStateCode"": ""string"",

          ""commsDeliveryDttm"": ""2017-02-14T02:20:52.836Z"",

          ""commsSuccessFlag"": true,

          ""commsCode"": ""string"",

          ""commsName"": ""string"",

          ""commsRankingNumb"": 0,

          ""customerGrainCUSGN"": 0,

          ""productItemCode"": ""string"",

          ""sourceApplBAPPN"": 0,

          ""sourceCommsRefn"": ""string"",

          ""parentCommsId"": 0,

          ""campaignDttm"": ""2017-02-14T02:20:52.836Z"",

          ""campaignCode"": ""string"",

          ""campaignName"": ""string"",

          ""contentValidStartDttm"": ""2017-02-14T02:20:52.836Z"",

          ""contentValidEndDttm"": ""2017-02-14T02:20:52.836Z"",

          ""trackingCode"": ""string"",

          ""headlineDisplayText"": ""string"",

          ""contentDisplayText"": ""string"",

          ""topic"": ""string"",

          ""topicIconClass"": ""string"",

          ""contentTemplateId"": 0,

          ""contentTemplateVersNumb"": 0,

          ""archiveDate"": ""2017-02-14T02:20:52.836Z"",

          ""commsParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""contentTemplateParameters"": [

            {

              ""commsId"": 0,

              ""paramSeqNumb"": 0,

              ""paramText"": ""string"",

              ""paramValue"": ""string""

            }

          ],

          ""callToAction"": [

            {

              ""displayText"": ""string7"",

              ""uri"": ""string7""

            },

            {

              ""displayText"": ""string8"",

              ""uri"": ""string8""

            }

          ],

          ""isFlagged"": true,

          ""isSeen"": true,

          ""isRead"": true,

          ""isActioned"": true

        }

       ]

    }

  ]

}";

            return json;

        }

​

        public static void Test()

        {

            var content = GetJson();

​

            Console.WriteLine("");

            TestSelectTokens(content);

​

            Console.WriteLine("");

            TestDescendantsAndSelf(content);

​

            Console.WriteLine("");

            TestOriginalCode(content);

​

            Console.WriteLine("done");

        }

​

        private static void TestOriginalCode(string content)

        {

            Console.WriteLine("Testing original code...");

​

​

            var decendant = "callToAction";

            var resultObjects = AllChildren(JObject.Parse(content))

                .First(c => c.Type == JTokenType.Array && c.Path.Contains(decendant))

                .Children<JObject>();

            JArray responseList = new JArray();

            foreach (JObject result in resultObjects)

            {

                responseList.Add(result);

            }

​

            Console.WriteLine("Result of query: ");

            Console.WriteLine(responseList);

        }

​

        private static IEnumerable<JToken> AllChildren(JToken decendant)

        {

            foreach (var c in decendant.Children())

            {

                yield return c;

                foreach (var cc in AllChildren(c))

                {

                    yield return cc;

                }

            }

        }

​

        private static void TestDescendantsAndSelf(string content)

        {

            Console.WriteLine("Testing JContainer.DescendantsAndSelf()...");

​

            var root = (JContainer)JToken.Parse(content);

​

            var descendant = "callToAction";

            var query = root

                // Recursively descend the JSON hierarchy

                .DescendantsAndSelf()

                // Select all properties named descendant

                .OfType<JProperty>()

                .Where(p => p.Name == descendant)

                // Select their value

                .Select(p => p.Value)

                // And filter for those that are arrays.

                .OfType<JArray>();

            var responseList = new JArray(query);

​

            Console.WriteLine("Result of query: ");

            Console.WriteLine(responseList);

​

            var responseList2 = new JArray(query.SelectMany(a => a));

​

            Console.WriteLine("Result of query, flattened to a single array: ");

            Console.WriteLine(responseList2);

        }

​

        static void TestSelectTokens(string content)

        {

            Console.WriteLine("Testing JToken.SelectTokens() ...");

​

            var root = JToken.Parse(content);

​

            var descendant = "callToAction";

            var query = root

                // Recursively descend the JSON hierarchy using the JSONpath recursive descent operator "..", and select the values of all properties named descendant

                .SelectTokens(string.Format("..{0}", descendant))

                // And filter for those that are arrays.

                .OfType<JArray>();

            var responseList = new JArray(query);

​

            Console.WriteLine("Result of query: ");

            Console.WriteLine(responseList);

​

            var responseList2 = new JArray(query.SelectMany(a => a));

​

            Console.WriteLine("Result of query, flattened to a single array: ");

            Console.WriteLine(responseList2);

        }

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Json.NET version: " + typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine("");

            TestClass.Test();

        }

    }