Convert JObject into Dictionary. Is it possible?

Question

I have a web API method that accepts an arbitrary json payload into a JObject property. As such I don\'t know what\'s coming but I still need to translate it to

Answer 1

Here's the inception version: I've modified the code to recurse JArrays an JObjects nested in JArrays/JObjects, which the accepted answer does not, as pointed out by @Nawaz.

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

public static class JsonConversionExtensions
{
    public static IDictionary ToDictionary(this JObject json)
    {
        var propertyValuePairs = json.ToObject>();
        ProcessJObjectProperties(propertyValuePairs);
        ProcessJArrayProperties(propertyValuePairs);
        return propertyValuePairs;
    }

    private static void ProcessJObjectProperties(IDictionary propertyValuePairs)
    {
        var objectPropertyNames = (from property in propertyValuePairs
            let propertyName = property.Key
            let value = property.Value
            where value is JObject
            select propertyName).ToList();

        objectPropertyNames.ForEach(propertyName => propertyValuePairs[propertyName] = ToDictionary((JObject) propertyValuePairs[propertyName]));
    }

    private static void ProcessJArrayProperties(IDictionary propertyValuePairs)
    {
        var arrayPropertyNames = (from property in propertyValuePairs
            let propertyName = property.Key
            let value = property.Value
            where value is JArray
            select propertyName).ToList();

        arrayPropertyNames.ForEach(propertyName => propertyValuePairs[propertyName] = ToArray((JArray) propertyValuePairs[propertyName]));
    }

    public static object[] ToArray(this JArray array)
    {
        return array.ToObject().Select(ProcessArrayEntry).ToArray();
    }

    private static object ProcessArrayEntry(object value)
    {
        if (value is JObject)
        {
            return ToDictionary((JObject) value);
        }
        if (value is JArray)
        {
            return ToArray((JArray) value);
        }
        return value;
    }
}