code: @Override
      public void contextInitialized(ServletContextEvent contextEvent) {
          configSupport = new ServletContexConfigSupport();
          if (configSupport.hasHandlers(contextEvent.getServletContext())) {
              AuditManager.startWithConfiguration(configSupport.loadConfig(contextEvent.getServletContext()));
          } else {
              AuditManager.getInstance();
          }
      }
docs: /*
  (non-Javadoc)
  
  @see
  javax.servlet.ServletContextListener#contextInitialized(javax.servlet
  .ServletContextEvent)