Dynamic JSON parser

using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Dynamic;
using System.Linq;
using System.Text;
using System.Web.Script.Serialization;

namespace DynamicJsonParser
{
    /// <summary>
    /// Dynamic JSON object 
    /// </summary>
    public sealed class DynamicJsonConverter : JavaScriptConverter
    {
        /// <summary>
        /// When overridden in a derived class, converts the provided dictionary into an object of the specified type.
        /// </summary>
        /// <param name="dictionary">An <see cref="T:System.Collections.Generic.IDictionary`2"/> instance of property data stored as name/value pairs.</param>
        /// <param name="type">The type of the resulting object.</param>
        /// <param name="serializer">The <see cref="T:System.Web.Script.Serialization.JavaScriptSerializer"/> instance.</param>
        /// <returns>
        /// The deserialized object.
        /// </returns>
        public override object Deserialize(IDictionary<string, object> dictionary, Type type, JavaScriptSerializer serializer)
        {
            if (dictionary == null)
                throw new ArgumentNullException("dictionary");

            return type == typeof(object) ? new DynamicJsonObject(dictionary) : null;
        }

        /// <summary>
        /// When overridden in a derived class, builds a dictionary of name/value pairs.
        /// </summary>
        /// <param name="obj">The object to serialize.</param>
        /// <param name="serializer">The object that is responsible for the serialization.</param>
        /// <returns>
        /// An object that contains key/value pairs that represent the object’s data.
        /// </returns>
        public override IDictionary<string, object> Serialize(object obj, JavaScriptSerializer serializer)
        {
            throw new NotImplementedException();
        }

        /// <summary>
        /// When overridden in a derived class, gets a collection of the supported types.
        /// </summary>
        /// <returns>An object that implements <see cref="T:System.Collections.Generic.IEnumerable`1"/> that represents the types supported by the converter.</returns>
        public override IEnumerable<Type> SupportedTypes
        {
            get { return new ReadOnlyCollection<Type>(new List<Type>(new[] { typeof(object) })); }
        }

    }
}