Newtonsoft.Json\Serialization\DefaultSerializationBinder.cs

#region License

// Copyright (c) 2007 James Newton-King

//

// Permission is hereby granted, free of charge, to any person

// obtaining a copy of this software and associated documentation

// files (the "Software"), to deal in the Software without

// restriction, including without limitation the rights to use,

// copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the

// Software is furnished to do so, subject to the following

// conditions:

//

// The above copyright notice and this permission notice shall be

// included in all copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

// OTHER DEALINGS IN THE SOFTWARE.

#endregion

using System;

using System.Runtime.Serialization;

using System.Reflection;

using System.Globalization;

using Newtonsoft.Json.Utilities;

namespace Newtonsoft.Json.Serialization

{

  /// <summary>

  /// The default serialization binder used when resolving and loading classes from type names.

  /// </summary>

  public class DefaultSerializationBinder : SerializationBinder

  {

    internal static readonly DefaultSerializationBinder Instance = new DefaultSerializationBinder();

    /// <summary>

    /// When overridden in a derived class, controls the binding of a serialized object to a type.

    /// </summary>

    /// <param name="assemblyName">Specifies the <see cref="T:System.Reflection.Assembly"/> name of the serialized object.</param>

    /// <param name="typeName">Specifies the <see cref="T:System.Type"/> name of the serialized object.</param>

    /// <returns>

    /// The type of the object the formatter creates a new instance of.

    /// </returns>

    public override Type BindToType(string assemblyName, string typeName)

    {

      if (assemblyName != null)

      {

        Assembly assembly;

#if !SILVERLIGHT && !PocketPC

        // look, I don't like using obsolete methods as much as you do but this is the only way

        // Assembly.Load won't check the GAC for a partial name

#pragma warning disable 618,612

        assembly = Assembly.LoadWithPartialName(assemblyName);

#pragma warning restore 618,612

#else

        assembly = Assembly.Load(assemblyName);

#endif

        if (assembly == null)

          throw new JsonSerializationException("Could not load assembly '{0}'.".FormatWith(CultureInfo.InvariantCulture, assemblyName));

        Type type = assembly.GetType(typeName);

        if (type == null)

          throw new JsonSerializationException("Could not find type '{0}' in assembly '{1}'.".FormatWith(CultureInfo.InvariantCulture, typeName, assembly.FullName));

        return type;

      }

      else

      {

        return Type.GetType(typeName);

      }

    }

  }

}