public override IAsyncOperation <IRandomAccessStreamWithContentType> OpenReadAsync()
{
return(AsyncInfo.Run <IRandomAccessStreamWithContentType>(async(cancellationToken) =>
{
var ftpClient = GetFtpClient();
if (!await ftpClient.EnsureConnectedAsync())
{
return null;
}
var inStream = await ftpClient.OpenReadAsync(FtpPath, cancellationToken);
var nsStream = new NonSeekableRandomAccessStreamForRead(inStream, (ulong)inStream.Length)
{
DisposeCallback = ftpClient.Dispose
};
return new StreamWithContentType(nsStream);
}));
}
public override IAsyncOperation <IRandomAccessStreamWithContentType> OpenReadAsync()
{
return(AsyncInfo.Run <IRandomAccessStreamWithContentType>(async(cancellationToken) =>
{
if (Path == ContainerPath)
{
if (BackingFile != null)
{
return await BackingFile.OpenReadAsync();
}
else
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return null;
}
return new StreamWithContentType(new FileStream(hFile, FileAccess.Read).AsRandomAccessStream());
}
}
ZipFile zipFile = await OpenZipFileAsync(FileAccessMode.Read);
if (zipFile == null)
{
return null;
}
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(Path));
if (entry != null)
{
var nsStream = new NonSeekableRandomAccessStreamForRead(zipFile.GetInputStream(entry), (ulong)entry.Size)
{
DisposeCallback = () => zipFile.Close()
};
return new StreamWithContentType(nsStream);
}
return null;
}));
}
public override IAsyncOperation <IRandomAccessStreamWithContentType> OpenReadAsync()
{
return(AsyncInfo.Run <IRandomAccessStreamWithContentType>(async(cancellationToken) =>
{
var ftpClient = new FtpClient();
ftpClient.Host = FtpHelpers.GetFtpHost(Path);
ftpClient.Port = FtpHelpers.GetFtpPort(Path);
ftpClient.Credentials = FtpManager.Credentials.Get(ftpClient.Host, FtpManager.Anonymous);
if (!await ftpClient.EnsureConnectedAsync())
{
return null;
}
var inStream = await ftpClient.OpenReadAsync(FtpPath, cancellationToken);
var nsStream = new NonSeekableRandomAccessStreamForRead(inStream, (ulong)inStream.Length)
{
DisposeCallback = () => ftpClient.Dispose()
};
return new StreamWithContentType(nsStream);
}));
}
