public async Task <BlobElement[]> ListAsync(string path, CancellationToken cancellationToken = default)
{
await _client.AutoConnectAsync(cancellationToken).ConfigureAwait(false);
try
{
var items = await _client.GetListingAsync(path).ConfigureAwait(false);
return(items
.Select(i => i.Type == FtpFileSystemObjectType.Directory ?
BlobElement.CreateContainer(i.FullName, i.Name) :
new BlobElement(i.FullName, i.Name, BlobElementType.Blob, i.Size, i.Created.ToUniversalTime(), i.Modified.ToUniversalTime()))
.ToArray());
}
catch (FtpCommandException e) when(e.CompletionCode == "550")
{
throw new ContainerNotFoundException(path, e);
}
}
public async Task <BlobElement[]> ListAsync(string path, CancellationToken cancellationToken = default)
{
var pathSegments = PathUtilities.GetSegments(path);
if (pathSegments.Length == 0)
{
var cloudBlobClient = _storageAccount.CreateCloudBlobClient();
BlobContinuationToken continuationToken = null;
var results = new List <BlobElement>();
do
{
var response = await cloudBlobClient.ListContainersSegmentedAsync(continuationToken).ConfigureAwait(false);
continuationToken = response.ContinuationToken;
results.AddRange(response.Results.Select(c => BlobElement.CreateContainer(c.Name)));
}while (continuationToken != null);
return(results.ToArray());
}
else
{
var containerName = pathSegments.First();
var containerPath = string.Join(PathUtilities.Delimiter, pathSegments.Skip(1));
var container = await GetCloudBlobContainerAsync(containerName, cancellationToken).ConfigureAwait(false);
BlobContinuationToken continuationToken = null;
var results = new List <BlobElement>();
do
{
var response = pathSegments.Skip(1).Any() ?
await container.ListBlobsSegmentedAsync(containerPath + PathUtilities.Delimiter, continuationToken).ConfigureAwait(false) :
await container.ListBlobsSegmentedAsync(continuationToken).ConfigureAwait(false);
continuationToken = response.ContinuationToken;
results.AddRange(response.Results.Select(i =>
{
if (i is CloudBlobDirectory directory)
{
return(BlobElement.CreateContainer(directory.Prefix, PathUtilities.GetSegments(directory.Prefix).Last()));
}
else if (i is CloudBlob blob)
{
var blobNameSegments = blob.Name.Split(PathUtilities.DelimiterChar);
return(new BlobElement(
blob.Name,
string.Join(PathUtilities.Delimiter, blobNameSegments.Skip(blobNameSegments.Length - 1)),
BlobElementType.Blob,
blob.Properties.Length,
blob.Properties.Created,
blob.Properties.LastModified));
}
else
{
return(null);
}
}).Where(c => c != null));
}while (continuationToken != null);
if (results.Count == 0)
{
throw new ContainerNotFoundException(path, null);
}
return(results.ToArray());
}
}