/** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(JsonExtractor.class);

    /** Jackson ObjectMapper for JSON parsing. */
    protected final ObjectMapper objectMapper = new ObjectMapper();

    /** Maximum depth for nested structure extraction. */
    protected int maxDepth = 10;

    /** Separator for key-value pairs in extracted text. */

    protected String loggerName = "fess.log.searchlog";

    /** Logger for search logs. */
    protected Logger searchLogLogger = null;

    /** ObjectMapper for JSON processing. */
    protected ObjectMapper objectMapper = new ObjectMapper();

    /**
     * Initializes the SearchLogHelper.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

        if (logger.isDebugEnabled()) {
            logger.debug("Bulk data import started: fileName={}", fileName);
        }

        final ObjectMapper mapper = new ObjectMapper();
        final AtomicBoolean resetJobs = new AtomicBoolean(false);
        try (CurlResponse response = ComponentUtil.getCurlHelper().post("/_bulk").onConnect((req, con) -> {
            con.setDoOutput(true);

    protected SearchRequestParamsRewriter[] searchRequestParamsRewriters = {};

    /** Jackson ObjectMapper for JSON serialization/deserialization. */
    protected ObjectMapper mapper = new ObjectMapper();;

    /**
     * Default constructor for creating a new SearchHelper instance.
     */
    public SearchHelper() {
        // Default constructor
    }

    protected List<Artifact> loadArtifactsFromRepository(final String url) {
        final String content = getRepositoryContent(url);
        final ObjectMapper objectMapper = new YAMLMapper();
        try {
            @SuppressWarnings("unchecked")
            final List<Map<?, ?>> result = objectMapper.readValue(content, List.class);
            if (result != null) {
                return result.stream()

    protected void insertBulkData(final FessConfig fessConfig, final String configIndex, final String dataPath) {
        try {
            final BulkRequestBuilder builder = client.prepareBulk();
            final ObjectMapper mapper = new ObjectMapper();
            final String userIndex = fessConfig.getIndexUserIndex() + ".user";
            Arrays.stream(FileUtil.readUTF8(dataPath).split("\n"))
                    .map(line -> line//