namespace Nancy

{

using System;

using System.IO;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;

public class DefaultObjectSerializer : IObjectSerializer

{

/// <summary>

/// Serialize an object

/// </summary>

/// <param name="sourceObject">Source object</param>

/// <returns>Serialised object string</returns>

public string Serialize(object sourceObject)

{

if (sourceObject == null)

{

return String.Empty;

}

var formatter = new BinaryFormatter();

using (var outputStream = new MemoryStream())

{

formatter.Serialize(outputStream, sourceObject);

var outputBytes = outputStream.GetBuffer();

return Convert.ToBase64String(outputBytes, 0, (int)outputStream.Length);

}

}

/// <summary>

/// Deserialize an object string

/// </summary>

/// <param name="sourceString">Source object string</param>

/// <returns>Deserialized object</returns>

public object Deserialize(string sourceString)

{

if (string.IsNullOrEmpty(sourceString))

{

return null;

}

try

{

var inputBytes = Convert.FromBase64String(sourceString);

var formatter = new BinaryFormatter();

using (var inputStream = new MemoryStream(inputBytes, false))

{

return formatter.Deserialize(inputStream);

}

}

catch (FormatException)

{

return null;

}

catch (SerializationException)

{

return null;

}

catch (IOException)

{

return null;

}

}

}

}