@Override
  public ActionForward execute(
      ActionMapping actionMapping,
      ActionForm actionForm,
      HttpServletRequest request,
      HttpServletResponse response)
      throws Exception {

    HttpSession session = request.getSession();

    ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

    String languageId = ParamUtil.getString(request, "languageId");

    Locale locale = LocaleUtil.fromLanguageId(languageId);

    if (LanguageUtil.isAvailableLocale(themeDisplay.getSiteGroupId(), locale)) {

      boolean persistState = ParamUtil.getBoolean(request, "persistState", true);

      if (themeDisplay.isSignedIn() && persistState) {
        User user = themeDisplay.getUser();

        Contact contact = user.getContact();

        AdminUtil.updateUser(
            request,
            user.getUserId(),
            user.getScreenName(),
            user.getEmailAddress(),
            user.getFacebookId(),
            user.getOpenId(),
            languageId,
            user.getTimeZoneId(),
            user.getGreeting(),
            user.getComments(),
            contact.getSmsSn(),
            contact.getFacebookSn(),
            contact.getJabberSn(),
            contact.getSkypeSn(),
            contact.getTwitterSn());
      }

      session.setAttribute(Globals.LOCALE_KEY, locale);

      LanguageUtil.updateCookie(request, response, locale);
    }

    // Send redirect

    String redirect = ParamUtil.getString(request, "redirect");

    String layoutURL = StringPool.BLANK;
    String queryString = StringPool.BLANK;

    int pos = redirect.indexOf(Portal.FRIENDLY_URL_SEPARATOR);

    if (pos == -1) {
      pos = redirect.indexOf(StringPool.QUESTION);
    }

    if (pos != -1) {
      layoutURL = redirect.substring(0, pos);
      queryString = redirect.substring(pos);
    } else {
      layoutURL = redirect;
    }

    Layout layout = themeDisplay.getLayout();

    if (isGroupFriendlyURL(layout.getGroup(), layout, layoutURL, locale)) {
      if (PropsValues.LOCALE_PREPEND_FRIENDLY_URL_STYLE == 0) {
        redirect = layoutURL;
      } else {
        redirect = PortalUtil.getGroupFriendlyURL(layout.getLayoutSet(), themeDisplay, locale);
      }
    } else {
      if (PropsValues.LOCALE_PREPEND_FRIENDLY_URL_STYLE == 0) {
        if (themeDisplay.isI18n()) {
          redirect = layout.getFriendlyURL(locale);
        } else {
          redirect = PortalUtil.getLayoutURL(layout, themeDisplay, locale);
        }
      } else {
        redirect = PortalUtil.getLayoutFriendlyURL(layout, themeDisplay, locale);
      }
    }

    if (layout.isTypeControlPanel()) {
      redirect = redirect + queryString;
    }

    response.sendRedirect(redirect);

    return null;
  }