public static ArrayList<FilterBean> getFilter(HttpServletRequest request) {
        ArrayList<FilterBean> alFilter = new ArrayList<>();
        if (request.getParameter("filter") != null) {
            if (request.getParameter("filteroperator") != null) {
                if (request.getParameter("filtervalue") != null) {
                    FilterBean oFilterBean = new FilterBean();
                    oFilterBean.setFilter(request.getParameter("filter"));
                    oFilterBean.setFilterOperator(request.getParameter("filteroperator"));
                    oFilterBean.setFilterValue(request.getParameter("filtervalue"));
                    oFilterBean.setFilterOrigin("user");
                    alFilter.add(oFilterBean);
                }
            }
        }
        if (request.getParameter("systemfilter") != null) {
            if (request.getParameter("systemfilteroperator") != null) {
                if (request.getParameter("systemfiltervalue") != null) {
                    FilterBean oFilterBean = new FilterBean();
                    oFilterBean.setFilter(request.getParameter("systemfilter"));
                    oFilterBean.setFilterOperator(request.getParameter("systemfilteroperator"));
                    oFilterBean.setFilterValue(request.getParameter("systemfiltervalue"));
                    oFilterBean.setFilterOrigin("system");
                    alFilter.add(oFilterBean);
                }
            }
        }
        return alFilter;
    }