@Override
  public double analyzeProgress(String output) {
    for (Operation operation : Operation.values()) {
      final Matcher matcher = operation.myPattern.matcher(output);
      if (matcher.matches()) {
        try {
          double operationProgress = operation.getProgress(Integer.parseInt(matcher.group(1))); // progress of this operation
          myOperationsProgress.put(operation, operationProgress);
        }
        catch (NumberFormatException e) {
          return -1;
        }
        return updateTotalProgress(operation);
      }
    }
    return -1;
  }
@Override
  public double analyzeProgress(String output)