public virtual Uri Write(Stream source, Uri sink)
{
if (sink == null)
{
throw new ArgumentException("Uri must not be null");
}
if (IoMode.HasFlag(IO.IoMode.Write) && sink.IsFile)
{
var filename = IoUtils.UriToFileName(sink);
var file = new FileStream(filename, FileMode.Create);
var target = new BufferedStream(file);
var bufferSize = 1024 * 1024;
var buffer = new byte[bufferSize];
var oldPos = source.Position;
int readByte = 0;
int position = 0;
long endpos = source.Length - 1;
while (position < endpos)
{
readByte = source.Read(buffer, 0, bufferSize);
target.Write(buffer, 0, readByte);
position += readByte;
}
target.Flush();
target.Close();
source.Position = oldPos;
}
return(sink);
}
public virtual Stream Read(Uri uri)
{
var result = default(Stream);
if (IoMode.HasFlag(IO.IoMode.Read) && uri.IsFile)
{
var filename = IoUtils.UriToFileName(uri);
var file = new FileStream(filename, FileMode.Open);
}
return(result);
}
public virtual Content <Stream> Read(Uri source, Content <Stream> sink)
{
var result = default(Content <Stream>);
if (IoMode.HasFlag(IO.IoMode.Read) && source.IsFile)
{
var filename = IoUtils.UriToFileName(source);
var file = new FileStream(filename, FileMode.Open);
result = Read(file, Detector.Use(file));
// test if there is a provider with file's extension:
if (result == null)
{
var info = Detector.Find(Path.GetExtension(filename).Replace(".", ""));
if (info.Magics == null || info.Magics.Length == 0)
{
result = Read(file, info);
}
}
if (result != null)
{
if (result.Source == null)
{
result.Source = source.AbsoluteUri;
}
if (result.Description == null)
{
result.Description = source.Segments[source.Segments.Length - 1];
}
}
else
{
file.Close();
}
}
return(result);
}