code: public CloudBlobDirectory getLogDirectory(StorageService service) throws URISyntaxException, StorageException {
          Utility.assertNotNull("service", service);
          return this.blobClient.getContainerReference(this.LogContainer).getDirectoryReference(
                  service.toString().toLowerCase(Locale.US));
      }
docs: Gets the {@link CloudBlobDirectory} object for the logs for a specific storage service.
  
  @param service
  A {@link StorageService} enumeration value that indicates which storage service to use.
  @return
  A {@link CloudBlobDirectory} object.
  @throws URISyntaxException
  @throws StorageException