public int Delete(BlobUrl url)
{
int itemsDeleted = 0;
PrepareConnection(url);
if (url.Kind == BlobUrlKind.Account)
{
throw new Exception("Deletion of storage account is not implemented.");
}
else if (url.Kind == BlobUrlKind.Container)
{
CloudBlobContainer container = this._currentClient.GetContainerReference(url.Url);
if (container == null)
{
throw new Exception(string.Format("Container '{0}' not found.", url.Url));
}
container.Delete();
itemsDeleted++;
}
else if (url.Kind == BlobUrlKind.SubfolderOrBlob)
{
CloudBlob blob = this._currentClient.GetBlobReference(url.Url);
if (blob != null && this.Exists(blob))
{
blob.Delete();
itemsDeleted++;
}
else
{
CloudBlobContainer container = this._currentClient.GetContainerReference(url.ContainerUrl);
if (container == null)
{
throw new Exception(string.Format("Container '{0}' not found.", url.ContainerUrl));
}
CloudBlobDirectory dir = container.GetDirectoryReference(url.BlobName);
if (dir == null)
{
throw new Exception("Directory not found. Container Url=" + container.Uri.AbsoluteUri + "; Directory=" + url.BlobName);
}
var matchedBlobs = dir.ListBlobs(new BlobRequestOptions()
{
BlobListingDetails = BlobListingDetails.None, UseFlatBlobListing = true
});
foreach (IListBlobItem listBlobItem in matchedBlobs)
{
CloudBlockBlob b = container.GetBlockBlobReference(listBlobItem.Uri.AbsoluteUri);
b.Delete();
itemsDeleted++;
}
}
}
return(itemsDeleted);
}
private void PrepareConnection(BlobUrl blobUrl)
{
if (_currentClient != null && blobUrl.StorageName != this._currentClient.Credentials.AccountName)
{
this._currentClient = null;
}
if (_currentClient == null)
{
CloudStorageAccount account = CloudStorageAccount.Parse(blobUrl.ConnectionString);
this._currentClient = account.CreateCloudBlobClient();
}
if (_currentClient == null)
{
throw new Exception("Connection to Azure storage has not been created yet.");
}
}
public List <BlobUrl> GetChildren(BlobUrl parentUrl, bool onlyTopLevel)
{
List <BlobUrl> r = new List <BlobUrl>();
PrepareConnection(parentUrl);
if (parentUrl.Kind == BlobUrlKind.Account)
{
if (onlyTopLevel)
{
//list containers
var allContainers = this._currentClient.ListContainers(null, ContainerListingDetails.None);
foreach (CloudBlobContainer c in allContainers)
{
r.Add(new BlobUrl(c.Uri.AbsoluteUri));
}
}
else
{
throw new Exception("Listing of all blobs in storage account not implemented.");
}
}
else if (parentUrl.Kind == BlobUrlKind.Container)
{
var container = this._currentClient.GetContainerReference(parentUrl.Url);
if (container == null)
{
throw new Exception("Container not found. Url:" + parentUrl.Url);
}
if (onlyTopLevel)
{
var allBlobs = container.ListBlobs(new BlobRequestOptions()
{
BlobListingDetails = BlobListingDetails.None, UseFlatBlobListing = false
});
//list top-level directories
foreach (var dir in allBlobs.OfType <CloudBlobDirectory>())
{
r.Add(new BlobUrl(dir.Uri.AbsoluteUri));
}
//and top-level blobs
foreach (var blob in allBlobs.OfType <CloudBlockBlob>())
{
r.Add(new BlobUrl(blob.Uri.AbsoluteUri));
}
}
else
{ //list all blobs
var allBlobs = container.ListBlobs(new BlobRequestOptions()
{
BlobListingDetails = BlobListingDetails.None, UseFlatBlobListing = true
});
foreach (IListBlobItem b in allBlobs)
{
r.Add(new BlobUrl(b.Uri.AbsoluteUri));
}
}
}
else if (parentUrl.Kind == BlobUrlKind.SubfolderOrBlob)
{
var container = this._currentClient.GetContainerReference(parentUrl.ContainerUrl);
if (container == null)
{
throw new Exception("Container not found. Url:" + parentUrl.Url);
}
var directory = container.GetDirectoryReference(parentUrl.BlobName);
if (directory == null)
{
throw new Exception("Directory not found. Container Url=" + container.Uri.AbsoluteUri + "; Directory=" + parentUrl.BlobName);
}
if (onlyTopLevel)
{
var allBlobs = directory.ListBlobs(new BlobRequestOptions()
{
BlobListingDetails = BlobListingDetails.None, UseFlatBlobListing = false
});
//list top-level directories
foreach (var dir in allBlobs.OfType <CloudBlobDirectory>())
{
r.Add(new BlobUrl(dir.Uri.AbsoluteUri));
}
//and top-level blobs
foreach (var blob in allBlobs.OfType <CloudBlockBlob>())
{
r.Add(new BlobUrl(blob.Uri.AbsoluteUri));
}
}
else
{ //list all blobs
var allBlobs = directory.ListBlobs(new BlobRequestOptions()
{
BlobListingDetails = BlobListingDetails.None, UseFlatBlobListing = true
});
foreach (IListBlobItem b in allBlobs)
{
r.Add(new BlobUrl(b.Uri.AbsoluteUri));
}
}
}
return(r);
}
