@RequestMapping({"/addAuthorAction"}) public ModelAndView addCommentPage(@ModelAttribute("newsVO") NewsManagementVO newsVO) throws ServiceExeption { ModelAndView mv = new ModelAndView("redirect:authorsPage"); if (ValidityChecker.checkValidity( newsVO.getAuthor().getAuthorName(), EXPRESSION_FOR_TAGS_AUTHORS_TITLE)) { serviceManager.addAuthor(newsVO); } else { mv.addObject("notValid", ConfigurationManager.getProperty("message.fail.authorName")); } mv.addObject("authorsList", serviceManager.getAuthorsList()); return mv; }