}

    public static String[] getParamValueArray(final HttpServletRequest request, final String param) {
        return simplifyArray(request.getParameterValues(param));
    }

    protected FacetInfo createFacetInfo(final HttpServletRequest request) {
        final String[] fields = getParamValueArray(request, "facet.field");
        final String[] queries = getParamValueArray(request, "facet.query");

        @Override
        public GeoInfo getGeoInfo() {
            return createGeoInfo(request);
        }

        @Override
        public FacetInfo getFacetInfo() {
            return createFacetInfo(request);
        }

        @Override
        public String getSort() {
            return request.getParameter("sort");
        }

        @Override
        public int getStartPosition() {