*/
    protected boolean containsAuthenticationData(final HttpServletRequest request) {
        if (logger.isDebugEnabled()) {
            logger.debug("HTTP Method: {}", request.getMethod());
        }
        if (!"POST".equalsIgnoreCase(request.getMethod())) {
            return false;
        }
        final Map<String, String[]> params = request.getParameterMap();
        if (logger.isDebugEnabled()) {