UserAgentType uaType = (UserAgentType) request.getAttribute(USER_AGENT_TYPE);
            if (uaType == null) {
                final String userAgent = request.getHeader(USER_AGENT);
                if (userAgent != null) {
                    if (userAgent.indexOf("MSIE") >= 0 || userAgent.indexOf("Trident") >= 0) {
                        uaType = UserAgentType.IE;

            throws IOException, ServletException {
        final HttpServletRequest httpRequest = (HttpServletRequest) request;
        final String origin = httpRequest.getHeader("Origin");
        if (StringUtil.isNotBlank(origin)) {
            if (logger.isDebugEnabled()) {
                logger.debug("HTTP Request: {}", httpRequest.getMethod());
            }

    @Override
    public PersistedToolchains read(@Nonnull XmlReaderRequest request) throws XmlReaderException {
        Objects.requireNonNull(request, "request");
        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (reader == null && inputStream == null) {
            throw new IllegalArgumentException("reader or inputStream must be non null");
        }

    public Model read(@Nonnull XmlReaderRequest request) throws XmlReaderException {
        nonNull(request, "request");
        Path path = request.getPath();
        URL url = request.getURL();
        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (path == null && url == null && reader == null && inputStream == null) {

                return;
            }
        }
        response.contentType(mimeType);
    }

    public String getClientIp(final HttpServletRequest request) {
        final String value = request.getHeader("x-forwarded-for");
        if (StringUtil.isNotBlank(value)) {
            return value;
        }
        return request.getRemoteAddr();
    }

    }

    public String getAccessTokenFromRequest(final HttpServletRequest request) {
        final String token = request.getHeader("Authorization");
        if (token != null) {
            final String[] values = token.trim().split(" ");
            if (values.length == 2 && BEARER.equals(values[0])) {
                return values[1];
            }

        nonNull(request, "request");
        Path path = request.getPath();
        URL url = request.getURL();
        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (path == null && url == null && reader == null && inputStream == null) {

    @Override
    public Settings read(@Nonnull XmlReaderRequest request) throws XmlReaderException {
        nonNull(request, "request");
        Reader reader = request.getReader();
        InputStream inputStream = request.getInputStream();
        if (reader == null && inputStream == null) {
            throw new IllegalArgumentException("reader or inputStream must be non null");
        }

        }

    }

    protected void processHeader(final HttpServletRequest request, final Set<String> roleSet) {

        final String parameter = request.getHeader(headerKey);
        if (logger.isDebugEnabled()) {
            logger.debug("{}:{}", headerKey, parameter);
        }
        if (StringUtil.isNotEmpty(parameter)) {

                    logger.debug("principal: {}", principal);
                }
            } catch (final Exception e) {
                final String msg = "Failed to process Authorization Header: " + request.getHeader(Constants.AUTHZ_HEADER);
                if (logger.isDebugEnabled()) {
                    logger.debug(msg);
                }
                throw new SsoLoginException(e.getMessage() + " " + msg, e);
            }