/// <summary>
/// Initialize an object from a stream, then returns a snapshot memento of it
/// </summary>
/// <param name="self"></param>
/// <param name="stream"></param>
/// <returns></returns>
public static IMemento GetMemento(this ICanRead self, Stream stream)
{
IMemento memento = new StreamMemento(stream, new FormatterStrategy());
memento.ReadFrom(self);
return(memento);
}
/// <summary>
/// Restores an object from a byte array memento
/// </summary>
/// <param name="self"></param>
/// <param name="byteArray"></param>
public static void ReadFrom(this ICanRead self, byte[] byteArray)
{
var stream = new MemoryStream();
var memento = new StreamMemento(stream, new FormatterStrategy());
stream.Write(byteArray, 0, byteArray.Length);
stream.Position = 0;
self.ReadFrom(memento);
}
/// <summary>
/// Returns a snapshot memento of an object, into a byte array
/// </summary>
/// <param name="self"></param>
/// <returns></returns>
public static byte[] AsByteArray(this IAmReadable self)
{
var stream = new MemoryStream();
IMemento memento = new StreamMemento(stream, new FormatterStrategy());
memento.ReadFrom(self);
stream.Position = 0;
return(stream.ToArray());
}
/// <summary>
/// Save an object to a stream
/// </summary>
/// <param name="self"></param>
/// <param name="stream"></param>
public static void WriteTo(this ICanRead self, Stream stream)
{
IMemento memento = new StreamMemento(stream, new FormatterStrategy());
memento.ReadFrom(self);
}
/// <summary>
/// Initialize an object from a stream
/// </summary>
/// <param name="self"></param>
/// <param name="stream"></param>
public static void ReadFrom(this ICanRead self, Stream stream)
{
var memento = new StreamMemento(stream, new FormatterStrategy());
self.ReadFrom(memento);
}
