code: public static StopWatchFactory getInstance(String loggerName) throws ConfigurationException
      {
          StopWatchFactory swf = getFactories().get(loggerName);
  
          if( swf == null ) throw new ConfigurationException("No logger by the name "+loggerName+" found.");
  
          return swf;
      }
docs: Returns a StopWatchFactory that has been configured previously. May return
  null, if the factory has not been configured.
  
  @param loggerName name to search for.
  @return A factory, or null, if not found.