highlightedQuerySet = new HashSet<>();
                request.setAttribute(Constants.HIGHLIGHT_QUERIES, highlightedQuerySet);
                fieldLogMap = (Map<String, List<String>>) request.getAttribute(Constants.FIELD_LOGS);
                if (fieldLogMap == null) {
                    fieldLogMap = new HashMap<>();
                    request.setAttribute(Constants.FIELD_LOGS, fieldLogMap);
                }
            });

            LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                final HttpSession session = request.getSession(false);
                if (session != null && form.num != null) {
                    session.setAttribute(Constants.RESULTS_PER_PAGE, form.num);
                }
            });
        }
        return doSearch(form);
    }

    @Execute
    public HtmlResponse prev(final SearchForm form) {

            });
            if (ComponentUtil.getFessConfig().isValidAdminPassword(password)) {
                return loginRedirect;
            }
            getSession().ifPresent(session -> session.setAttribute(INVALID_OLD_PASSWORD, password));
            return asHtml(virtualHost(path_Login_NewpasswordJsp));
        } catch (final LoginFailureException lfe) {
            if (logger.isDebugEnabled()) {

                formBuf.append(StringEscapeUtils.escapeHtml4(entry.getKey()));
                formBuf.append("\"/>");
            }
            request.setAttribute(queryKey, queryBuf.toString());
            request.setAttribute(formKey, formBuf.toString());
        }
    }

    protected HtmlResponse redirectToLogin() {
        return systemHelper.getRedirectResponseToLogin(redirect(SsoAction.class));

    @Override
    public String toString() {
        return "Role [name=" + name + "]";
    }

    public Map<String, String> getAttributes() {
        return attributes;
    }

    public void setAttributes(final Map<String, String> attributes) {
        this.attributes = attributes;
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = new HashMap<>();

    public abstract int getStartPosition();

    public abstract int getPageSize();

    public abstract int getOffset();

    public abstract String[] getExtraQueries();

    public abstract Object getAttribute(String name);

    public abstract Locale getLocale();

    public abstract SearchRequestType getType();

    public abstract String getSimilarDocHash();

    public String getTrackTotalHits() {

    protected OptionalThing<String[]> getQueryLanguages() {
        return LaRequestUtil.getOptionalRequest().map(request -> ComponentUtil.getFessConfig().getQueryLanguages(request.getLocales(),
                (String[]) request.getAttribute(Constants.REQUEST_LANGUAGES)));
    }

    protected BoolQueryBuilder buildDefaultQueryBuilder(final FessConfig fessConfig, final QueryContext context,
            final DefaultQueryBuilderFunction builder) {

                    }
                }
                if (uaType == null) {
                    uaType = UserAgentType.OTHER;
                }
                request.setAttribute(USER_AGENT_TYPE, uaType);
            }
            return uaType;
        }).orElse(UserAgentType.OTHER);
    }

    public enum UserAgentType {
        IE, FIREFOX, CHROME, SAFARI, OPERA, OTHER;
    }

    protected FormatType getFormatType(final HttpServletRequest request) {
        FormatType formatType = (FormatType) request.getAttribute(API_FORMAT_TYPE);
        if (formatType != null) {
            return formatType;
        }

        formatType = detectFormatType(request);
        request.setAttribute(API_FORMAT_TYPE, formatType);
        return formatType;
    }

    }

    public String getServerPath() {
        return getSessionManager().getAttribute(Constants.SEARCH_ENGINE_API_ACCESS_TOKEN, String.class).map(token -> ADMIN_SERVER + token)
                .orElseThrow(() -> new FessSystemException("Cannot create an access token."));
    }

    public void saveToken() {
        getSessionManager().setAttribute(Constants.SEARCH_ENGINE_API_ACCESS_TOKEN, UUID.randomUUID().toString().replace("-", ""));