C# Language
Json.net का उपयोग करना

परिचय

सरल मूल्यों पर JsonConverter का उपयोग करना

उदाहरण के तौर पर JsonCoverter का उपयोग मूवी मॉडल में Timespan ऑब्जेक्ट में एपीआई प्रतिक्रिया से रनटाइम प्रॉपर्टी को डिसेर्बलाइज करने के लिए करता है

JSON ( http://www.omdbapi.com/?i=tt1663662)

{
    Title: "Pacific Rim",
    Year: "2013",
    Rated: "PG-13",
    Released: "12 Jul 2013",
    Runtime: "131 min",
    Genre: "Action, Adventure, Sci-Fi",
    Director: "Guillermo del Toro",
    Writer: "Travis Beacham (screenplay), Guillermo del Toro (screenplay), Travis Beacham (story)",
    Actors: "Charlie Hunnam, Diego Klattenhoff, Idris Elba, Rinko Kikuchi",
    Plot: "As a war between humankind and monstrous sea creatures wages on, a former pilot and a trainee are paired up to drive a seemingly obsolete special weapon in a desperate effort to save the world from the apocalypse.",
    Language: "English, Japanese, Cantonese, Mandarin",
    Country: "USA",
    Awards: "Nominated for 1 BAFTA Film Award. Another 6 wins & 46 nominations.",
    Poster: "https://images-na.ssl-images-amazon.com/images/M/MV5BMTY3MTI5NjQ4Nl5BMl5BanBnXkFtZTcwOTU1OTU0OQ@@._V1_SX300.jpg",
    Ratings: [{
            Source: "Internet Movie Database",
            Value: "7.0/10"
        },
        {
            Source: "Rotten Tomatoes",
            Value: "71%"
        },
        {
            Source: "Metacritic",
            Value: "64/100"
        }
    ],
    Metascore: "64",
    imdbRating: "7.0",
    imdbVotes: "398,198",
    imdbID: "tt1663662",
    Type: "movie",
    DVD: "15 Oct 2013",
    BoxOffice: "$101,785,482.00",
    Production: "Warner Bros. Pictures",
    Website: "http://pacificrimmovie.com",
    Response: "True"
}

मूवी मॉडल

using Project.Serializers;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Threading.Tasks;

namespace Project.Models
{
    [DataContract]
    public class Movie
    {
        public Movie() { }

        [DataMember]
        public int Id { get; set; }

        [DataMember]
        public string ImdbId { get; set; }

        [DataMember]
        public string Title { get; set; }

        [DataMember]
        public DateTime Released { get; set; }

        [DataMember]
        [JsonConverter(typeof(RuntimeSerializer))]
        public TimeSpan Runtime { get; set; }

    }
}

RuntimeSerializer

using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace Project.Serializers
{
    public class RuntimeSerializer : JsonConverter
    {
        public override bool CanConvert(Type objectType)
        {
            return objectType == typeof(TimeSpan);
        }

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.TokenType == JsonToken.Null)
                return null;

            JToken jt = JToken.Load(reader);
            String value = jt.Value<String>();

            Regex rx = new Regex("(\\s*)min$");
            value = rx.Replace(value, (m) => "");

            int timespanMin; 
            if(!Int32.TryParse(value, out timespanMin))
            {
                throw new NotSupportedException();
            }

            return new TimeSpan(0, timespanMin, 0);
        }

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            serializer.Serialize(writer, value);
        }
    }
}

इसे बुला रहे हैं

Movie m = JsonConvert.DeserializeObject<Movie>(apiResponse));

JSON ऑब्जेक्ट के सभी फ़ील्ड्स एकत्र करें

using Newtonsoft.Json.Linq;
using System.Collections.Generic;

public class JsonFieldsCollector
{
    private readonly Dictionary<string, JValue> fields;

    public JsonFieldsCollector(JToken token)
    {
        fields = new Dictionary<string, JValue>();
        CollectFields(token);
    }

    private void CollectFields(JToken jToken)
    {
        switch (jToken.Type)
        {
            case JTokenType.Object:
                foreach (var child in jToken.Children<JProperty>())
                    CollectFields(child);
                break;
            case JTokenType.Array:
                foreach (var child in jToken.Children())
                    CollectFields(child);
                break;
            case JTokenType.Property:
                CollectFields(((JProperty) jToken).Value);
                break;
            default:
                fields.Add(jToken.Path, (JValue)jToken);
                break;
        }
    }

    public IEnumerable<KeyValuePair<string, JValue>> GetAllFields() => fields;
}

उपयोग:

var json = JToken.Parse(/* JSON string */);
var fieldsCollector = new JsonFieldsCollector(json);
var fields = fieldsCollector.GetAllFields();

foreach (var field in fields)
    Console.WriteLine($"{field.Key}: '{field.Value}'");

डेमो
इस JSON ऑब्जेक्ट के लिए

{
  "User": "John",
  "Workdays": {
    "Monday": true,
    "Tuesday": true,
    "Friday": false
  },
  "Age": 42
}

अपेक्षित आउटपुट होगा:

User: 'John'
Workdays.Monday: 'True'
Workdays.Tuesday: 'True'
Workdays.Friday: 'False'
Age: '42'