public override Stream GetStream(HttpContent parent, HttpContentHeaders headers)
{
if (parent == null)
{
throw new ArgumentNullException("parent");
}
if (headers == null)
{
throw new ArgumentNullException("headers");
}
string fileName = this.GetFileName(headers);
var fileItem = fileSystem.CreateFile(this.FolderItem, fileName, Stream.Null);
this.Files.Add(new FileDataModel(fileItem.Name, fileItem.RelativePath, fileItem.WebUrl));
return(fileSystem.WriteFileAsync(fileItem, this.BufferSize));
}