Newtonsoft.Json/Src/Newtonsoft.Json.Tests/Documentation/Samples/Serializer/SerializeSerializationBinder.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;

namespace Newtonsoft.Json.Tests.Documentation.Samples.Serializer
{
    public class SerializeSerializationBinder
    {
        #region Types
        public class KnownTypesBinder : SerializationBinder
        {
            public IList<Type> KnownTypes { get; set; }

            public override Type BindToType(string assemblyName, string typeName)
            {
                return KnownTypes.SingleOrDefault(t => t.Name == typeName);
            }

            public override void BindToName(Type serializedType, out string assemblyName, out string typeName)
            {
                assemblyName = null;
                typeName = serializedType.Name;
            }
        }

        public class Car
        {
            public string Maker { get; set; }
            public string Model { get; set; }
        }
        #endregion

        public void Example()
        {
            #region Usage
            KnownTypesBinder knownTypesBinder = new KnownTypesBinder
            {
                KnownTypes = new List<Type> { typeof(Car) }
            };

            Car car = new Car
            {
                Maker = "Ford",
                Model = "Explorer"
            };

            string json = JsonConvert.SerializeObject(car, Formatting.Indented, new JsonSerializerSettings
            {
                TypeNameHandling = TypeNameHandling.Objects,
                Binder = knownTypesBinder
            });

            Console.WriteLine(json);
            // {
            //   "$type": "Car",
            //   "Maker": "Ford",
            //   "Model": "Explorer"
            // }

            object newValue = JsonConvert.DeserializeObject(json, new JsonSerializerSettings
            {
                TypeNameHandling = TypeNameHandling.Objects,
                Binder = knownTypesBinder
            });

            Console.WriteLine(newValue.GetType().Name);
            // Car
            #endregion
        }
    }
}