@PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        fessConfig = ComponentUtil.getFessConfig();
        split(fessConfig.getSuggestFieldContents(), ",")
                .of(stream -> stream.filter(StringUtil::isNotBlank).forEach(contentFieldNameSet::add));

        if (ComponentUtil.getFessConfig().isLoggingSearchDocsEnabled()) {
            queryResponseList.stream().forEach(res -> {
                final Map<String, Object> map = new HashMap<>();
                Arrays.stream(ComponentUtil.getFessConfig().getLoggingSearchDocsFieldsAsArray()).forEach(s -> map.put(s, res.get(s)));
                searchLog.addDocument(map);

            resultBuf.append(e.getMessage()).append("\n");
        }

        // purge search logs
        try {
            final int days = ComponentUtil.getFessConfig().getPurgeSearchLogDay();
            if (days >= 0) {
                searchLogService.deleteBefore(days);
            } else {
                resultBuf.append("Skipped to purge search logs.\n");
            }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchRolePrefix()))
                .map(s -> s.substring(1)).toArray(n -> new String[n]));
    }

    @Override
    public String[] getGroupNames() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

            final FessConfig fessConfig = ComponentUtil.getFessConfig();

            String scrollId = null;
            try {
                if (logger.isDebugEnabled()) {
                    logger.debug("Query DSL: {}", searchRequestBuilder);
                }
                SearchResponse response = searchRequestBuilder.execute().actionGet(ComponentUtil.getFessConfig().getIndexSearchTimeout());

    protected String getClientId() {
        return ComponentUtil.getFessConfig().getSystemProperty(AZUREAD_CLIENT_ID, StringUtil.EMPTY);
    }

    protected String getClientSecret() {
        return ComponentUtil.getFessConfig().getSystemProperty(AZUREAD_CLIENT_SECRET, StringUtil.EMPTY);
    }

    protected String getTenant() {
        return ComponentUtil.getFessConfig().getSystemProperty(AZUREAD_TENANT, StringUtil.EMPTY);
    }

            if (StringUtil.isNotBlank(key)) {
                queryContext.addQuery(boolQuery -> {
                    boolQuery.filter(QueryBuilders.termQuery(ComponentUtil.getFessConfig().getIndexFieldVirtualHost(), key));
                });
            }
            break;
        }
    }

        return new OpenIdUser(getUserId(), getUserGroups(), getDefaultRolesAsArray());
    }

    protected static String[] getDefaultGroupsAsArray() {
        final String value = ComponentUtil.getFessConfig().getSystemProperty("oic.default.groups");
        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }

        }
        return map;
    }

    public String generateId(final Map<String, Object> dataMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String url = (String) dataMap.get(fessConfig.getIndexFieldUrl());
        final StringBuilder buf = new StringBuilder(1000);

        @SuppressWarnings("unchecked")

public class BaseSearchBody {

    public Integer size = ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();

    public Integer page = Constants.DEFAULT_ADMIN_PAGE_NUMBER;

    public int getPageSize() {
        if (size != null) {
            return size;
        }
        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
    }

    public int getCurrentPageNumber() {