private void methodInvoker(String methodName, FacesEvent event) {
    AbstractLovItemBean bean =
        (AuthorityRelationLookup) JsfUtils.resolveVariable("bean_auth_relation_lookup");
    try {
      Method actionMethod = bean.getClass().getMethod(methodName, event.getClass());
      try {
        actionMethod.invoke(bean, event);

      } catch (IllegalArgumentException e) {
        e.printStackTrace();

      } catch (IllegalAccessException e) {
        e.printStackTrace();

      } catch (InvocationTargetException e) {
        e.printStackTrace();
      }

    } catch (SecurityException e) {
      e.printStackTrace();

    } catch (NoSuchMethodException e) {
      e.printStackTrace();
    }
  }