code: private static Statistics getStatistics(String category, String name)
     {
        StatisticsContext context = getContext(category);
        if (context == null)
        {
           return null;
        }
        // Format the name
        name = formatName(name);
        if (name == null)
        {
           return null;
        }
        Statistics statistics;
        if (GLOBAL_STATISTICS_NAME.equalsIgnoreCase(name))
        {
           statistics = context.global;
        }
        else
        {
           statistics = context.allStatistics.get(name);
        }
        return statistics;
     }
docs: Retrieve statistics of the given category and name.
  @return the related {@link Statistics}, <code>null</code> otherwise.