ComplexNestedObjectConverter.cs

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using System;
using System.Collections.Generic;
using Newtonsoft.Json;
 
namespace AnalyzeRe.JsonConverters
{
    public class ComplexNestedObjectConverter : JsonConverter
    {
        public override bool CanWrite => false;
 
        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            throw new NotSupportedException("CustomCreationConverter should only be used while deserializing.");
        }
 
        public override bool CanConvert(Type objectType)
        {
            return objectType == typeof(Dictionary<string, object>) ||
                objectType == typeof(List<object>) ||
                objectType == typeof(object);
        }
 
        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            if (reader.TokenType == JsonToken.Null)
                return null;
            object retVal;
            // If the next token is an object deserialize to a Dictionary
            if (reader.TokenType == JsonToken.StartObject)
            {
                retVal = new Dictionary<string, object>();
                serializer.Populate(reader, retVal);
            }
            // If the next token is an array deserialize to an Array
            else if (reader.TokenType == JsonToken.StartArray)
            {
                retVal = new List<object>();
                serializer.Populate(reader, retVal);
            }
            // If the next token is not an object or list then fall back on the standard deserializer
            else
            {
                retVal = serializer.Deserialize(reader);
            }
            return retVal;
        }
    }
}