private static final Logger logger = LogManager.getLogger(LabelTypeHelper.class);

    /** A list of label type items. */
    protected volatile List<LabelTypeItem> labelTypeItemList;

    /** A list of label type patterns. */
    protected volatile List<LabelTypePattern> labelTypePatternList;

    /**
     * Default constructor.
     */
    public LabelTypeHelper() {
        super();
    }

    /**

        assertFalse(validator.isValid("* * * *", context));
    }

    // Test common valid cron patterns that are likely to work
    @Test
    public void test_basicValidCronExpressions() {
        final ConstraintValidatorContext context = null;

        // Test basic patterns that should be valid
        String[] potentiallyValidCrons = { "0 0 * * * ?", // Every hour

## Install

1. Install and launch Fess.
1. Install and launch kibana.
1. Go to kibana home [http://localhost:5601/](http://localhost:5601/).
1. Click **Management**.
1. Click **Index Patterns**.
1. Click **Create index pattern** button
1. Input "fess\_log\*" to the textbox of **index pattern**.
1. Click **Next step**.
1. Set "requestedAt" to the **Time Filter field name**.
1. Click **Create index pattern**.

    /** The key of the configuration. e.g.  */
    String CRAWLER_DOCUMENT_FILE_DEFAULT_EXCLUDE_INDEX_PATTERNS = "crawler.document.file.default.exclude.index.patterns";

    /** The key of the configuration. e.g.  */
    String CRAWLER_DOCUMENT_FILE_DEFAULT_INCLUDE_SEARCH_PATTERNS = "crawler.document.file.default.include.search.patterns";

 *
 * <p>The filter intercepts requests matching configured path patterns and
 * redirects them with proper character encoding applied to parameters.</p>
 */
public class EncodingFilter implements Filter {
    /** Configuration key for encoding rules mapping */
    public static final String ENCODING_MAP = "encodingRules";

    /** Map of path patterns to their corresponding character encodings */

        assertEquals(0, result.length);
    }

    @Test
    public void test_filterJvmOptions_complexVersionPattern() {
        System.setProperty("java.version", "11.0.1");

        // Test version patterns with different separators
        String[] args = new String[] { "11:-Dprop=value:with:colons", "8-:-Xbootclasspath/a:/path/to/jar", "malformed11:-invalid", // Should not match pattern

 * <li>Document expiration handling</li>
 * <li>Child URL extraction and queueing</li>
 * <li>Integration with Fess configuration and permission systems</li>
 * <li>Client selection based on URL patterns</li>
 * </ul>
 *
 * @see CrawlerThread
 * @see org.codelibs.fess.crawler.client.CrawlerClient
 */
public class FessCrawlerThread extends CrawlerThread {

    /**
     * Default constructor.
     */

     */
    public CorsHandlerFactory() {
        // Default constructor
    }

    private static final Logger logger = LogManager.getLogger(CorsHandlerFactory.class);

    /**
     * Map of origin patterns to their corresponding CORS handlers.
     */
    protected Map<String, CorsHandler> handerMap = new HashMap<>();

    /**
     * Adds a CORS handler for the specified origin.
     *

    }

    /**
     * Converts a URL using all configured duplicate host rules.
     * Applies each duplicate host rule in sequence to transform the URL
     * according to the configured patterns.
     *
     * @param url the URL to convert
     * @return the converted URL after applying all duplicate host rules,
     *         or null if the input URL is null
     */

 * This class provides pagination support for duplicate host listings in the admin interface,
 * including navigation controls and search/filter parameters.
 *
 * <p>Duplicate hosts allow administrators to define hostname patterns that should
 * be treated as equivalent during crawling, helping to avoid duplicate content
 * from the same logical site accessed via different hostnames.</p>
 */
public class DuplicateHostPager implements Serializable {