/// <summary>
/// Lists blobs beginning with the specified prefix, which must include the container name.
/// </summary>
/// <param name="blobClient">The Blob service client.</param>
/// <param name="prefix">The prefix.</param>
private static async Task ListBlobsFromServiceClientAsync(CloudBlobClient blobClient, string prefix)
{
Console.WriteLine("List blobs by prefix. Prefix must include container name:");
BlobContinuationToken continuationToken = null;
BlobResultSegment resultSegment = null;
try
{
do
{
// The prefix is required when listing blobs from the service client. The prefix must include
// the container name.
resultSegment = await blobClient.ListBlobsSegmentedAsync(prefix, continuationToken);
foreach (var blob in resultSegment.Results)
{
Console.WriteLine("\tBlob:" + blob.Uri);
}
Console.WriteLine();
// Get the continuation token.
continuationToken = resultSegment.ContinuationToken;
} while (continuationToken != null);
}
catch (StorageException e)
{
Console.WriteLine(e.Message);
Console.ReadLine();
throw;
}
}
public async Task CloudBlobClientListBlobsSegmentedWithPrefixAsync()
{
string name = "bb" + GetRandomContainerName();
DelegatingHandlerImpl delegatingHandlerImpl = new DelegatingHandlerImpl(new DelegatingHandlerImpl());
CloudBlobClient blobClient = GenerateCloudBlobClient(delegatingHandlerImpl);
CloudBlobContainer rootContainer = blobClient.GetRootContainerReference();
CloudBlobContainer container = blobClient.GetContainerReference(name);
try
{
await rootContainer.CreateIfNotExistsAsync();
await container.CreateAsync();
List <string> blobNames = await CreateBlobsAsync(container, 3, BlobType.BlockBlob);
List <string> rootBlobNames = await CreateBlobsAsync(rootContainer, 2, BlobType.BlockBlob);
BlobResultSegment results;
BlobContinuationToken token = null;
do
{
results = await blobClient.ListBlobsSegmentedAsync("bb", token);
token = results.ContinuationToken;
foreach (CloudBlockBlob blob in results.Results)
{
await blob.DeleteAsync();
rootBlobNames.Remove(blob.Name);
}
}while (token != null);
Assert.AreEqual(0, rootBlobNames.Count);
results = await blobClient.ListBlobsSegmentedAsync("bb", token);
Assert.AreEqual(0, results.Results.Count());
Assert.IsNull(results.ContinuationToken);
results = await blobClient.ListBlobsSegmentedAsync(name, token);
Assert.AreEqual(0, results.Results.Count());
Assert.IsNull(results.ContinuationToken);
token = null;
do
{
results = await blobClient.ListBlobsSegmentedAsync(name + "/", token);
token = results.ContinuationToken;
foreach (CloudBlockBlob blob in results.Results)
{
Assert.IsTrue(blobNames.Remove(blob.Name));
}
}while (token != null);
Assert.AreEqual(0, blobNames.Count);
Assert.AreNotEqual(0, delegatingHandlerImpl.CallCount);
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
