public object Bind(BindingContext context)
{
Precondition.Require(context, () => Error.ArgumentNull("context"));
ValueProviderResult result = context.ValueProvider.GetValue(context.ModelName);
if (result == null)
{
return(null);
}
List <HttpPostedFileBase> files = result
.GetValue <IEnumerable <HttpPostedFileBase> >().ToList();
Type type = context.ModelType;
if (type == typeof(IEnumerable <HttpPostedFileBase>) || type == typeof(HttpPostedFileBase[]))
{
return(files.ToArray());
}
if (type == typeof(ICollection <HttpPostedFileBase>) || type == typeof(Collection <HttpPostedFileBase>))
{
return(new Collection <HttpPostedFileBase>(files));
}
if (type == typeof(IList <HttpPostedFileBase>) || type == typeof(List <HttpPostedFileBase>))
{
return(files);
}
ConstructorInfo constructor = type.GetConstructor(new Type[] { typeof(IEnumerable <HttpPostedFileBase>) });
if (constructor == null)
{
throw Error.UnsupportedModelType(type);
}
return(constructor.CreateInvoker().Invoke(files));
}
protected abstract TModel Bind(ValueProviderResult value);
public bool TryGetValue(out ValueProviderResult value)
{
return((value = GetValue()) != null);
}
