public ListBlobsWithPrefix ( string prefix ) : IEnumerable |
||
prefix | string | The blob name prefix. This value must be preceded either by the name of the container or by the absolute URI to the container. |
return | IEnumerable |
private void MoveDirectory(CloudBlobClient blobClient, string newPrefix, string oldPrefix) { var blobs = blobClient.ListBlobsWithPrefix(oldPrefix, new BlobRequestOptions() { BlobListingDetails = Microsoft.WindowsAzure.StorageClient.BlobListingDetails.Metadata, UseFlatBlobListing = false }); foreach (var blob in blobs) { if (blob is CloudBlobDirectory) { var dir = blob as CloudBlobDirectory; var names = dir.Uri.ToString().Split('/'); for (var i = names.Length - 1; i >= 0; i--) { if (!string.IsNullOrEmpty(names[i])) { MoveDirectory(blobClient, newPrefix + StorageNamesEncoder.EncodeBlobName(names[i]) + "/", oldPrefix + StorageNamesEncoder.EncodeBlobName(names[i]) + "/"); break; } } } else if (blob is CloudBlob) { var cloudBlob = blob as CloudBlob; if (cloudBlob.Exists()) { cloudBlob.FetchAttributes(); var newContentBlob = blobClient.GetBlockBlobReference(newPrefix + cloudBlob.Metadata["FileName"]); try { newContentBlob.CopyFromBlob(cloudBlob); } catch (Exception e) { using (Stream stream = new MemoryStream()) { cloudBlob.DownloadToStream(stream); stream.Position = 0; newContentBlob.UploadFromStream(stream); stream.Dispose(); } } newContentBlob.Metadata["FileName"] = cloudBlob.Metadata["FileName"]; if (!string.IsNullOrEmpty(cloudBlob.Metadata["UserId"])) { newContentBlob.Metadata["UserId"] = cloudBlob.Metadata["UserId"]; } if (!string.IsNullOrEmpty(cloudBlob.Metadata["Published"])) { newContentBlob.Metadata["Published"] = cloudBlob.Metadata["Published"]; } if (!string.IsNullOrEmpty(cloudBlob.Metadata["Size"])) { newContentBlob.Metadata["Size"] = cloudBlob.Metadata["Size"]; } if (cloudBlob.Metadata.AllKeys.Contains("AlternateText")) { newContentBlob.Metadata["AlternateText"] = cloudBlob.Metadata["AlternateText"]; } if (cloudBlob.Metadata.AllKeys.Contains("Description")) { newContentBlob.Metadata["Description"] = cloudBlob.Metadata["Description"]; } if (cloudBlob.Metadata.AllKeys.Contains("Title")) { newContentBlob.Metadata["Title"] = cloudBlob.Metadata["Title"]; } newContentBlob.SetMetadata(); cloudBlob.DeleteIfExists(); } } } }
private void zipFolder(CloudBlobClient blobClient, string basePrefix, string folderName, string zipDir, ref ZipFile zipFile) { zipDir = string.IsNullOrEmpty(zipDir) ? folderName : zipDir + "/" + folderName; zipFile.AddDirectoryByName(zipDir); var folderPrefix = basePrefix + StorageNamesEncoder.EncodeBlobName(folderName) + "/"; var blobs = blobClient.ListBlobsWithPrefix(folderPrefix, new BlobRequestOptions() { BlobListingDetails = Microsoft.WindowsAzure.StorageClient.BlobListingDetails.Metadata, UseFlatBlobListing = false }); foreach (var blob in blobs) { if (blob is CloudBlobDirectory) { var dir = blob as CloudBlobDirectory; var names = dir.Uri.ToString().Split('/'); for (var i = names.Length - 1; i >= 0; i--) { if (!string.IsNullOrEmpty(names[i])) { zipFolder(blobClient, folderPrefix, StorageNamesEncoder.DecodeBlobName(names[i]), zipDir, ref zipFile); break; } } } if (blob is CloudBlob) { var cloudBlob = blob as CloudBlob; var subStr = cloudBlob.Uri.ToString().Substring(cloudBlob.Uri.ToString().IndexOf(folderPrefix) + folderPrefix.Length); var index = subStr.LastIndexOf('/'); if (index < 0) { index = 0; } var subFolderName = subStr.Substring(0, index); var fileName = subStr.Substring(index); var bytes = cloudBlob.DownloadByteArray(); if (!string.IsNullOrEmpty(subFolderName)) { zipFile.AddDirectoryByName(zipDir + "/" + StorageNamesEncoder.DecodeBlobName(subFolderName)); } zipFile.AddEntry(zipDir + "/" + StorageNamesEncoder.DecodeBlobName(subStr), bytes); } } }
private void MoveDirectory(CloudBlobClient blobClient, string newPrefix, string oldPrefix) { var blobs = blobClient.ListBlobsWithPrefix(oldPrefix, new BlobRequestOptions() { BlobListingDetails = Microsoft.WindowsAzure.StorageClient.BlobListingDetails.Metadata, UseFlatBlobListing = false }); foreach (var blob in blobs) { if (blob is CloudBlobDirectory) { var dir = blob as CloudBlobDirectory; var names = dir.Uri.ToString().Split('/'); for (var i = names.Length - 1; i >= 0; i--) { if (!string.IsNullOrEmpty(names[i])) { MoveDirectory(blobClient, newPrefix + names[i] + "/", oldPrefix + names[i] + "/"); break; } } } else if (blob is CloudBlob) { var cloudBlob = blob as CloudBlob; if (cloudBlob.Exists()) { cloudBlob.FetchAttributes(); var newContentBlob = blobClient.GetBlockBlobReference(newPrefix + cloudBlob.Metadata["FileName"]); newContentBlob.CopyFromBlob(cloudBlob); newContentBlob.Metadata["FileName"] = cloudBlob.Metadata["FileName"]; newContentBlob.SetMetadata(); cloudBlob.DeleteIfExists(); } } } }