/**
  * Method to save the send settings.
  *
  * @param request The current request.
  * @param notificationSettings The settings to save.
  * @param result The result to bind errors and so on to.
  * @return The ModelAndView to use.
  */
 @RequestMapping(method = RequestMethod.POST)
 public ModelAndView saveSettings(
     HttpServletRequest request,
     @ModelAttribute("command") ClientProfileNotificationsForm notificationSettings,
     BindingResult result) {
   Map<ClientConfigurationPropertyConstant, String> settings =
       new HashMap<ClientConfigurationPropertyConstant, String>();
   settings.put(
       ClientProperty.NOTIFICATION_RENDER_ATTACHMENTLINKS,
       Boolean.toString(notificationSettings.isRenderAttachmentLinks()));
   settings.put(
       ClientProperty.NOTIFICATION_RENDER_PERMALINKS,
       Boolean.toString(notificationSettings.isRenderPermalinks()));
   settings.put(
       ClientProperty.INVITATION_RENDER_BLOG_PERMALINK,
       Boolean.toString(notificationSettings.isRenderBlogPermalinkInInvitation()));
   settings.put(
       ClientProperty.MAX_NUMBER_OF_MENTIONED_USERS,
       Integer.toString(notificationSettings.getMaxUsersToMention()));
   CommunoteRuntime.getInstance()
       .getConfigurationManager()
       .updateClientConfigurationProperties(settings);
   MessageHelper.saveMessageFromKey(request, "client.profile.notifications.success");
   return get();
 }
 /**
  * Implementation of the exception resolving method which will only handle the {@link
  * MaxUploadSizeExceededException}.
  *
  * @param request the current HTTP request
  * @param response the response
  * @param handler the executed handler, which is null in case of an MaxUploadSizeExceededException
  * @param ex the exception that got thrown
  * @return the model and view or null if the exception is not a MaxUploadSizeExceededException or
  *     no view is defined
  */
 @Override
 public ModelAndView resolveException(
     HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
   if (ex instanceof MaxUploadSizeExceededException) {
     String errorMessage =
         MessageHelper.getText(
             request,
             "error.blogpost.upload.filesize.limit",
             new Object[] {getHumanReadableUploadSizeLimit()});
     String targetPath =
         ClientUrlHelper.removeIds(request.getServletPath() + request.getPathInfo());
     String view = null;
     if (requestMappings != null) {
       view = requestMappings.get(targetPath);
     }
     if (view != null) {
       MessageHelper.saveErrorMessage(request, errorMessage);
       MessageHelper.setMessageTarget(request, targetPath);
       return new ModelAndView(ControllerHelper.replaceModuleInViewName(view));
     }
     return prepareAjaxModelAndView(request, response, errorMessage);
   }
   return null;
 }