示例#1
0
        /// <summary>
        /// Gets the children of the container (if the uri has segments)
        /// or containers in the storage account (if the uri has no segments)
        /// </summary>
        public IEnumerable <Uri> GetChildren(Uri directoryUri)
        {
            string[] segments = directoryUri.Segments;
            BlobContinuationToken blobContinuationToken = null;

            // If at the root, return all containers
            if (segments.Length <= 1)
            {
                do
                {
                    ContainerResultSegment containerListing = _client.ListContainersSegmented(blobContinuationToken);

                    if (containerListing?.Results != null)
                    {
                        foreach (CloudBlobContainer containerItem in containerListing.Results)
                        {
                            yield return(containerItem.Uri);
                        }
                    }

                    blobContinuationToken = containerListing?.ContinuationToken;
                }while (blobContinuationToken != null);
                yield break;
            }

            // If not at the root folder, return all blobs within the container
            string containerName   = segments[1];
            string relativeAddress = directoryUri.PathAndQuery.Substring(containerName.Length + 1);

            do
            {
                BlobResultSegment listing = _client.ListBlobsSegmented(
                    containerName,
                    relativeAddress,
                    useFlatListing: false,
                    BlobListingDetails.None,
                    maxResults: null,
                    blobContinuationToken,
                    new BlobRequestOptions(),
                    new OperationContext());

                if (listing == null || listing.Results.Count() == 0)
                {
                    throw new ArgumentException(
                              "Call to ListBlobsSegmented returned no results. Uri is invalid or does not have children.",
                              nameof(directoryUri));
                }

                foreach (IListBlobItem listBlobItem in listing.Results)
                {
                    yield return(listBlobItem.Uri);
                }

                blobContinuationToken = listing.ContinuationToken;
            }while (blobContinuationToken != null);
        }
示例#2
0
        /// <summary>
        /// Gets the children of the blob "directory."
        /// </summary>
        public IEnumerable <Uri> GetChildren(Uri directoryUri)
        {
            BlobContinuationToken blobContinuationToken = null;
            var path = directoryUri.AbsolutePath.Trim('/');

            do
            {
                var listing = _client.ListBlobsSegmented(path, false,
                                                         BlobListingDetails.None, null,
                                                         blobContinuationToken, new BlobRequestOptions(), new OperationContext());

                if (listing.Results != null)
                {
                    foreach (var listBlobItem in listing.Results)
                    {
                        yield return(listBlobItem.Uri);
                    }
                }

                blobContinuationToken = listing.ContinuationToken;
            }while (blobContinuationToken != null);
        }