Пример #1
0
        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);
        }
Пример #2
0
        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.");
            }
        }
Пример #3
0
        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);
        }