code: public static FacesInitializer getFacesInitializer(ServletContext context)
      {
          FacesInitializer initializer = _getFacesInitializerFromInitParam(context);
          if (initializer == null)
          {
              initializer = _getDefaultFacesInitializer(context);
          }
          return initializer;
      }
docs: Gets the FacesInitializer for the system.
  @param context
  @return