@Override
        public String encodeRedirectURL(String url) {
            return url;
        }

        @Override
        public void sendError(int sc, String msg) {
        }

        @Override
        public void sendError(int sc) {
        }

        @Override
        public void sendRedirect(String location) {
        }

        @Override

            public String encodeRedirectURL(String url) {
                return null;
            }

            @Override
            public void sendError(int sc, String msg) throws IOException {
            }

            @Override
            public void sendError(int sc) throws IOException {
            }

            @Override
            public void sendRedirect(String location) throws IOException {

        @Override
        public String encodeRedirectURL(String url) {
            return url;
        }

        @Override
        public void sendError(int sc, String msg) {
        }

        @Override
        public void sendError(int sc) {
        }

        @Override
        public void sendRedirect(String location) {
        }

        @Override

            public String encodeRedirectURL(String url) {
                return url;
            }

            @Override
            public void sendError(int sc, String msg) {
            }

            @Override
            public void sendError(int sc) {
            }

            @Override
            public void sendRedirect(String location) {
            }

            @Override

        @Override
        public PrintWriter getWriter() {
            return writer;
        }

        @Override
        public void sendError(int sc) {
            this.sendErrorCode = sc;
        }

        @Override
        public void sendError(int sc, String msg) {
            this.sendErrorCode = sc;
        }

        @Override
        public java.util.Collection<String> getHeaderNames() {

        final RequestManager requestManager = ComponentUtil.getRequestManager();
        if (!requestManager.findUserBean(FessUserBean.class).map(user -> user.hasRoles(acceptedRoles)).orElse(Boolean.FALSE)) {
            response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized access: " + request.getServletPath());
            return;
        }

        try {