ASP.NET MVC (Version 1) XML Model Binder

BindXmlAttribute.cs

public class BindXmlAttribute : CustomModelBinderAttribute
{
  public override IModelBinder GetBinder()
  {
    return new XmlModelBinder();
  }
}

Controller1.cs

public ActionResult Edit(
  [ModelBinder(typeof(XmlModelBinder))] string xml)
{
  //...
}

Controller2.cs

public ActionResult Edit(
  [ModelBinder(typeof(XmlModelBinder))] MyXmlSerializableClass xml)
{
  //...
}

Controller3.cs

public ActionResult Edit(
  [BindXml] MyXmlSerializableClass xml)
{
  //...
}

XmlModelBinder1.cs

public class XmlModelBinder : IModelBinder
{
  object IModelBinder.BindModel(
    ControllerContext controllerContext,
    ModelBindingContext bindingContext)
  {
    var stream = controllerContext.HttpContext.Request.InputStream;
    using (var reader = new StreamReader(stream))
    {
      return reader.ReadToEnd();
    }
  }
}

XmlModelBinder2.cs

public class XmlModelBinder : IModelBinder
{
  object IModelBinder.BindModel(
    ControllerContext controllerContext,
    ModelBindingContext bindingContext)
  {
    var stream = controllerContext.HttpContext.Request.InputStream;
    var serializer = new XmlSerializer(bindingContext.ModelType);
    return serializer.Deserialize(stream);
  }
}