}

    /**
     * Adds a filter to the processing pipeline.
     * After adding a filter, the filter chain is recreated to include the new filter.
     *
     * @param filter the filter to add to the processing pipeline
     */
    public void addFilter(final Filter filter) {
        filterList.add(filter);
        createFilterChain();
    }

    /**

        urlPatterns.add("http://sample.org/.*");

        urlFilterService.addIncludeUrlFilter(sessionId, urlPatterns);

        // Verify all filters are stored
        assertEquals(3,
                fesenClient.prepareSearch("fess_crawler.filter")
                        .setQuery(QueryBuilders.termQuery("sessionId", sessionId))
                        .setSize(0)
                        .execute()

     * concurrent searches across multiple searchers and fuses the results.
     *
     * @param query the search query string
     * @param params search request parameters including pagination and filters
     * @param userBean optional user information for personalized search
     * @return list of search result documents with fused ranking scores
     */

						<configuration>
							<outputDirectory>${project.build.directory}/generated-packaging/deb/</outputDirectory>
							<filters>
								<filter>${project.basedir}/src/packaging/common/packaging.properties</filter>
								<filter>${project.basedir}/src/packaging/deb/packaging.properties</filter>
							</filters>
							<resources>
								<resource>
									<directory>src/packaging/common/</directory>

 * <ol>
 *   <li>Initialization: Sets up the crawler context and initializes the URL filter.</li>
 *   <li>Thread Creation: Creates a group of crawler threads to perform the actual crawling.</li>
 *   <li>Execution: Starts the crawler threads and waits for them to complete.</li>
 *   <li>Cleanup: Deletes the crawled data and clears the URL filter.</li>
 * </ol>
 *

            final Consumer<SearchRequestBuilder> cb = builder -> {
                final QueryBuilder queryBuilder = QueryBuilders.boolQuery()
                        .filter(QueryBuilders.termsQuery(OpenSearchAccessResult.SESSION_ID, sessionIdList))
                        .filter(QueryBuilders.termQuery(OpenSearchAccessResult.STATUS, org.codelibs.fess.crawler.Constants.OK_STATUS));
                builder.setQuery(queryBuilder);

     * @return a newline-separated string of filtered URL patterns
     */
    protected String parseFilterPaths(final String text, final boolean web, final boolean file) {
        return split(text, "\n")
                .get(stream -> stream.map(String::trim).filter(StringUtil::isNotBlank).map(this::getFilterPath).filter(s -> {
                    if (StringUtil.isBlank(s)) {

            throw e;
        }
    }

    /**
     * Sets up the search conditions for user list queries based on pager criteria.
     * Configures the condition bean with search filters and ordering.
     *
     * @param cb the condition bean for the user query
     * @param userPager the pager containing search criteria
     */

                }
            }
        }
        return true;
    }

    /**
     * Stores child URLs from the given set into the crawling queue for future processing.
     * This method filters out blank URLs and increments the depth for child URLs.
     *
     * @param urlQueue the parent URL queue item
     * @param childUrlSet the set of child URLs to be queued for crawling
     */

     * input before using it in LDAP search filters to prevent LDAP injection vulnerabilities.
     *
     * @param filter the LDAP search filter to escape (null is treated as empty string)
     * @return the escaped filter string safe for use in LDAP queries (empty string if filter is null)
     * @see <a href="https://tools.ietf.org/html/rfc4515">RFC 4515 - LDAP String Representation of Search Filters</a>
     */