public async Task <IReadOnlyCollection <Blob> > ListFolderAsync(ListOptions options, CancellationToken cancellationToken)
{
var result = new List <Blob>();
await foreach (BlobHierarchyItem item in
_client.GetBlobsByHierarchyAsync(
delimiter: options.Recurse ? null : "/",
prefix: FormatFolderPrefix(options.FolderPath),
traits: options.IncludeAttributes ? BlobTraits.Metadata : BlobTraits.None).ConfigureAwait(false))
{
Blob blob = AzConvert.ToBlob(_prependContainerName ? _client.Name : null, item);
if (options.IsMatch(blob) && (options.BrowseFilter == null || options.BrowseFilter(blob)))
{
result.Add(blob);
}
}
if (options.Recurse)
{
AssumeImplicitPrefixes(
_prependContainerName ? StoragePath.Combine(_client.Name, options.FolderPath) : options.FolderPath,
result);
}
return(result);
}
protected virtual async Task <Blob> GetBlobAsync(string fullPath, CancellationToken cancellationToken)
{
(BlobContainerClient container, string path) = await GetPartsAsync(fullPath, false).ConfigureAwait(false);
if (container == null)
{
return(null);
}
if (string.IsNullOrEmpty(path))
{
//it's a container
Response <BlobContainerProperties> attributes = await container.GetPropertiesAsync(cancellationToken : cancellationToken).ConfigureAwait(false);
return(AzConvert.ToBlob(container.Name, attributes));
}
BlobClient client = container.GetBlobClient(path);
try
{
Response <BlobProperties> properties = await client.GetPropertiesAsync(cancellationToken : cancellationToken).ConfigureAwait(false);
return(AzConvert.ToBlob(_containerName, path, properties));
}
catch (RequestFailedException ex) when(ex.ErrorCode == "BlobNotFound")
{
return(null);
}
}
