gistfile1.java

  @RequestMapping("{id}")
  public ModelAndView info(@PathVariable("id") String sId, HttpServletRequest req, SitePreference sitePreference, Device device) {
 
		Long id;
        Series series;
		try {
			id = Long.valueOf(sId);
            series = seriesService.findById(id);
		} catch (NumberFormatException nfe) {
            series = seriesService.findByUrl(sId);
		}
 
		if (series == null) {
			throw new PageNotFoundException();
		}
    User user = securityService.getCurrentUser();
    ........
    ............... 
	}