code: protected static StorageException translateFromHttpStatus(final int statusCode, final String statusDescription,
              final Exception inner) {
          String errorCode;
          switch (statusCode) {
          case HttpURLConnection.HTTP_FORBIDDEN:
              errorCode = StorageErrorCode.ACCESS_DENIED.toString();
              break;
          case HttpURLConnection.HTTP_GONE:
          case HttpURLConnection.HTTP_NOT_FOUND:
              errorCode = StorageErrorCode.RESOURCE_NOT_FOUND.toString();
              break;
          case 416:
          case HttpURLConnection.HTTP_BAD_REQUEST:
              // 416: RequestedRangeNotSatisfiable - No corresponding enum in HttpURLConnection
              errorCode = StorageErrorCode.BAD_REQUEST.toString();
              break;
  
          case HttpURLConnection.HTTP_PRECON_FAILED:
          case HttpURLConnection.HTTP_NOT_MODIFIED:
              errorCode = StorageErrorCode.CONDITION_FAILED.toString();
              break;
  
          case HttpURLConnection.HTTP_CONFLICT:
              errorCode = StorageErrorCode.RESOURCE_ALREADY_EXISTS.toString();
              break;
  
          case HttpURLConnection.HTTP_UNAVAILABLE:
              errorCode = StorageErrorCode.SERVER_BUSY.toString();
              break;
  
          case HttpURLConnection.HTTP_GATEWAY_TIMEOUT:
              errorCode = StorageErrorCode.SERVICE_TIMEOUT.toString();
              break;
  
          case HttpURLConnection.HTTP_INTERNAL_ERROR:
              errorCode = StorageErrorCode.SERVICE_INTERNAL_ERROR.toString();
              break;
  
          case HttpURLConnection.HTTP_NOT_IMPLEMENTED:
              errorCode = StorageErrorCode.NOT_IMPLEMENTED.toString();
              break;
  
          case HttpURLConnection.HTTP_BAD_GATEWAY:
              errorCode = StorageErrorCode.BAD_GATEWAY.toString();
              break;
  
          case HttpURLConnection.HTTP_VERSION:
              errorCode = StorageErrorCode.HTTP_VERSION_NOT_SUPPORTED.toString();
              break;
          default:
              errorCode = null;
          }
  
          if (errorCode == null) {
              return null;
          } else {
              return new StorageException(errorCode, statusDescription, statusCode, null, inner);
          }
      }
docs: Translates the specified HTTP status code into a storage exception.
  
  @param statusCode
  The HTTP status code returned by the operation.
  @param statusDescription
  A <code>String</code> that represents the status description.
  @param inner
  An <code>Exception</code> object that represents a reference to the initial exception, if one exists.
  
  @return A <code>StorageException</code> object that represents translated exception.