code: private synchronized Swift getSwiftClient()
              throws CStorageException
      {
          if ( swiftClient != null ) {
              return swiftClient;
          }
  
          // Only a single thread should create this client
          String url = ENDPOINT + "/account/credentials";
          RequestInvoker<CResponse> ri = getApiRequestInvoker( new HttpGet( url ) );
          JSONObject info = retryStrategy.invokeRetry( ri ).asJSONObject();
          swiftClient = new Swift( info.getString( "endpoint" ),
                                   info.getString( "token" ),
                                   new NoRetryStrategy(),
                                   true, // useDirectoryMarkers
                                   httpExecutor );
          swiftClient.useFirstContainer();
          return swiftClient;
      }
docs: Return current swift client, or create one if none exists yet. The internal swift client does NOT retry its
  requests. Retries are performed by this class.
  
  @return The swift client