buffer.append("&announcementBoardAccessType=").append(announcementBoardAccessType);
buffer.append("&amp;announcementBoardAccessType=").append(announcementBoardAccessType);
    protected String getExtraRequestParameters(HttpServletRequest request) {        StringBuffer buffer = new StringBuffer();        String announcementBoardAccessType = request.getParameter("announcementBoardAccessType");        String announcementBoardAccessLevel = request.getParameter("announcementBoardAccessLevel");        if (announcementBoardAccessType != null) {            buffer.append("&announcementBoardAccessType=").append(announcementBoardAccessType);        }        if (announcementBoardAccessLevel != null) {            buffer.append("&announcementBoardAccessLevel=").append(announcementBoardAccessLevel);        }        if (request.getParameter("howManyAnnouncementsToShow") != null) {            buffer.append("&howManyAnnouncementsToShow=").append(request.getParameter("howManyAnnouncementsToShow"));        }        if (request.getParameter("recentBoardsTimeSpanSelection") != null) {            buffer.append("&recentBoardsTimeSpanSelection=").append(request.getParameter("recentBoardsTimeSpanSelection"));        }        if (request.getParameter("boardType") != null) {            buffer.append("&boardType=").append(request.getParameter("boardType"));        }        return buffer.toString();    }