public void CloudBlobDirectoryFlatListingTask()
{
foreach (String delimiter in Delimiters)
{
CloudBlobClient client = GenerateCloudBlobClient();
client.DefaultDelimiter = delimiter;
string name = GetRandomContainerName();
CloudBlobContainer container = client.GetContainerReference(name);
try
{
container.CreateAsync().Wait();
if (CloudBlobDirectorySetupWithDelimiter(container, delimiter))
{
BlobContinuationToken token = null;
CloudBlobDirectory directory = container.GetDirectoryReference("TopDir1");
List <IListBlobItem> list1 = new List <IListBlobItem>();
do
{
BlobResultSegment result1 = directory.ListBlobsSegmentedAsync(token).Result;
list1.AddRange(result1.Results);
token = result1.ContinuationToken;
}while (token != null);
Assert.IsTrue(list1.Count == 3);
IListBlobItem item11 = list1.ElementAt(0);
Assert.IsTrue(item11.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "Blob1"));
IListBlobItem item12 = list1.ElementAt(1);
Assert.IsTrue(item12.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir1" + delimiter));
IListBlobItem item13 = list1.ElementAt(2);
Assert.IsTrue(item13.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir2" + delimiter));
CloudBlobDirectory midDir2 = (CloudBlobDirectory)item13;
List <IListBlobItem> list2 = new List <IListBlobItem>();
do
{
BlobResultSegment result2 = midDir2.ListBlobsSegmentedAsync(true, BlobListingDetails.None, null, token, null, null).Result;
list2.AddRange(result2.Results);
token = result2.ContinuationToken;
}while (token != null);
Assert.IsTrue(list2.Count == 2);
IListBlobItem item41 = list2.ElementAt(0);
Assert.IsTrue(item41.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir2" + delimiter + "EndDir1" + delimiter + "EndBlob1"));
IListBlobItem item42 = list2.ElementAt(1);
Assert.IsTrue(item42.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir2" + delimiter + "EndDir2" + delimiter + "EndBlob2"));
}
}
finally
{
container.DeleteIfExistsAsync().Wait();
}
}
}
public async Task CloudBlobDirectoryGetParentAsync()
{
foreach (String delimiter in Delimiters)
{
CloudBlobClient client = GenerateCloudBlobClient();
client.DefaultDelimiter = delimiter;
string name = GetRandomContainerName();
CloudBlobContainer container = client.GetContainerReference(name);
try
{
await container.CreateAsync();
CloudPageBlob blob = container.GetPageBlobReference("Dir1" + delimiter + "Blob1");
await blob.CreateAsync(0);
Assert.IsTrue(await blob.ExistsAsync());
Assert.AreEqual("Dir1" + delimiter + "Blob1", blob.Name);
// get the blob's parent
CloudBlobDirectory parent = blob.Parent;
Assert.AreEqual(parent.Prefix, "Dir1" + delimiter);
// get container as parent
CloudBlobDirectory root = parent.Parent;
Assert.AreEqual(root.Prefix, "");
// make sure the parent of the container dir is null
CloudBlobDirectory empty = root.Parent;
Assert.IsNull(empty);
// from container, get directory reference to container
root = container.GetDirectoryReference("");
Assert.AreEqual("", root.Prefix);
Assert.AreEqual(container.Uri.AbsoluteUri, root.Uri.AbsoluteUri);
BlobResultSegment segment = await root.ListBlobsSegmentedAsync(null);
List <IListBlobItem> list = new List <IListBlobItem>();
list.AddRange(segment.Results);
while (segment.ContinuationToken != null)
{
segment = await container.ListBlobsSegmentedAsync(segment.ContinuationToken);
list.AddRange(segment.Results);
}
Assert.AreEqual(1, list.Count);
// make sure the parent of the container dir is null
empty = root.Parent;
Assert.IsNull(empty);
await blob.DeleteIfExistsAsync();
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
}
public static void ListAllFilesFromDirectory()
{
var cloudStorage = Microsoft.WindowsAzure.Storage.CloudStorageAccount.Parse(connsctionString);
var cloudBlobClient = cloudStorage.CreateCloudBlobClient();
var cloudBlobContainer = cloudBlobClient.GetContainerReference("donmablogsample");
var resultCreateContainer = cloudBlobContainer.CreateIfNotExistsAsync().Result;
Console.WriteLine("donmablogsample create already.");
Microsoft.WindowsAzure.Storage.Blob.CloudBlobDirectory cloudBlobDirectory =
cloudBlobContainer.GetDirectoryReference("TEST2/TEST21/");
var res = new List <string>();
//這種方法在 Azure Storge 包括 table 很常使用
Microsoft.WindowsAzure.Storage.Blob.BlobContinuationToken continuationToken = null;
do
{
var listingResult = cloudBlobDirectory.ListBlobsSegmentedAsync(continuationToken).Result;
continuationToken = listingResult.ContinuationToken;
res.AddRange(listingResult.Results.Select(x => System.IO.Path.GetFileName(x.Uri.AbsolutePath)).ToList());
}while (continuationToken != null);
Console.WriteLine("Result: " + string.Join("\r\n", res));
}
public async Task CloudBlobDirectoryFlatListingAsync()
{
foreach (String delimiter in Delimiters)
{
CloudBlobClient client = GenerateCloudBlobClient();
client.DefaultDelimiter = delimiter;
string name = GetRandomContainerName();
CloudBlobContainer container = client.GetContainerReference(name);
try
{
await container.CreateAsync();
if (await CloudBlobDirectorySetupWithDelimiterAsync(container, delimiter))
{
BlobResultSegment segment = await container.ListBlobsSegmentedAsync("TopDir1" + delimiter, false, BlobListingDetails.None, null, null, null, null);
List <IListBlobItem> simpleList1 = new List <IListBlobItem>();
simpleList1.AddRange(segment.Results);
while (segment.ContinuationToken != null)
{
segment = await container.ListBlobsSegmentedAsync("TopDir1" + delimiter, false, BlobListingDetails.None, null, segment.ContinuationToken, null, null);
simpleList1.AddRange(segment.Results);
}
Assert.IsTrue(simpleList1.Count == 3);
IListBlobItem item11 = simpleList1.ElementAt(0);
Assert.IsTrue(item11.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "Blob1"));
IListBlobItem item12 = simpleList1.ElementAt(1);
Assert.IsTrue(item12.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir1" + delimiter));
IListBlobItem item13 = simpleList1.ElementAt(2);
Assert.IsTrue(item13.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir2" + delimiter));
CloudBlobDirectory midDir2 = (CloudBlobDirectory)item13;
BlobResultSegment segment2 = await container.ListBlobsSegmentedAsync("TopDir1" + delimiter + "MidDir1", true, BlobListingDetails.None, null, null, null, null);
List <IListBlobItem> simpleList2 = new List <IListBlobItem>();
simpleList2.AddRange(segment2.Results);
while (segment2.ContinuationToken != null)
{
segment2 = await container.ListBlobsSegmentedAsync("TopDir1" + delimiter + "MidDir1", true, BlobListingDetails.None, null, segment2.ContinuationToken, null, null);
simpleList2.AddRange(segment2.Results);
}
Assert.IsTrue(simpleList2.Count == 2);
IListBlobItem item21 = simpleList2.ElementAt(0);
Assert.IsTrue(item21.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir1" + delimiter + "EndDir1" + delimiter + "EndBlob1"));
IListBlobItem item22 = simpleList2.ElementAt(1);
Assert.IsTrue(item22.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir1" + delimiter + "EndDir2" + delimiter + "EndBlob2"));
BlobResultSegment segment3 = await container.ListBlobsSegmentedAsync("TopDir1" + delimiter + "MidDir1" + delimiter, false, BlobListingDetails.None, null, null, null, null);
List <IListBlobItem> simpleList3 = new List <IListBlobItem>();
simpleList3.AddRange(segment3.Results);
while (segment3.ContinuationToken != null)
{
segment3 = await container.ListBlobsSegmentedAsync("TopDir1" + delimiter + "MidDir1" + delimiter, false, BlobListingDetails.None, null, segment3.ContinuationToken, null, null);
simpleList3.AddRange(segment3.Results);
}
Assert.IsTrue(simpleList3.Count == 2);
IListBlobItem item31 = simpleList3.ElementAt(0);
Assert.IsTrue(item31.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir1" + delimiter + "EndDir1" + delimiter));
IListBlobItem item32 = simpleList3.ElementAt(1);
Assert.IsTrue(item32.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir1" + delimiter + "EndDir2" + delimiter));
BlobResultSegment segment4 = await midDir2.ListBlobsSegmentedAsync(true, BlobListingDetails.None, null, null, null, null);
List <IListBlobItem> simpleList4 = new List <IListBlobItem>();
simpleList4.AddRange(segment4.Results);
while (segment4.ContinuationToken != null)
{
segment4 = await midDir2.ListBlobsSegmentedAsync(true, BlobListingDetails.None, null, segment4.ContinuationToken, null, null);
simpleList4.AddRange(segment4.Results);
}
Assert.IsTrue(simpleList4.Count == 2);
IListBlobItem item41 = simpleList4.ElementAt(0);
Assert.IsTrue(item41.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir2" + delimiter + "EndDir1" + delimiter + "EndBlob1"));
IListBlobItem item42 = simpleList4.ElementAt(1);
Assert.IsTrue(item42.Uri.Equals(container.Uri + "/TopDir1" + delimiter + "MidDir2" + delimiter + "EndDir2" + delimiter + "EndBlob2"));
}
}
finally
{
container.DeleteIfExistsAsync().AsTask().Wait();
}
}
}
private async Task<IEnumerable<IListBlobItem>> ListBlobsAsync(CloudBlobDirectory blobDirectory, bool useFlatBlobListing, BlobListingDetails blobListingDetails = BlobListingDetails.None)
{
BlobContinuationToken continuationToken = null;
List<IListBlobItem> results = new List<IListBlobItem>();
do {
var response = await blobDirectory
.ListBlobsSegmentedAsync(useFlatBlobListing, blobListingDetails, null, continuationToken, null, null)
.ConfigureAwait(false);
continuationToken = response.ContinuationToken;
results.AddRange(response.Results);
}
while (continuationToken != null);
return results;
}
static async Task<Tuple<CloudBlobDirectory, bool>> IsValidNamespaceDirectoryAsync(CloudBlobDirectory directory)
{
bool result = false;
string nextMarker = null;
do
{
var continuationToken = new BlobContinuationToken
{
NextMarker = nextMarker,
};
var blobResults = await directory.ListBlobsSegmentedAsync(true, BlobListingDetails.Metadata, null, continuationToken, null, null);
if (blobResults.Results
.Select(blob => new NamespaceListWrapper(blob))
.Any(blobWrapper => !blobWrapper.NamespaceBlob.IsMarkedForDeletion))
{
result = true;
break;
}
if (blobResults.ContinuationToken != null)
{
nextMarker = blobResults.ContinuationToken.NextMarker;
}
else
{
nextMarker = null;
}
} while (!String.IsNullOrWhiteSpace(nextMarker));
return Tuple.Create(directory, result);
}
