hash = hash * 31 + 2;
        }
        return hash;
    }

    /**
     * Sets the map of regular expressions to be used for matching.
     *
     * @param regexMap a map where the key is the field name and the value is the Pattern object
     */
    public void setRegexMap(final Map<String, Pattern> regexMap) {
        this.regexMap = regexMap;
    }

     * archived URLs.
     *
     * Please note that the value of this tag is considered a hint and not a
     * command. Even though search engine crawlers may consider this information
     * when making decisions, they may crawl pages marked "hourly" less
     * frequently than that, and they may crawl pages marked "yearly" more
     * frequently than that. Crawlers may periodically crawl pages marked

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.exception;

/**
 * The class CrawlerSystemException is a runtime exception that is thrown when a system error occurs during crawling.
 * It extends the RuntimeException class and provides constructors for creating exceptions with a message, a cause, or both.

public enum LogType {
    /** Indicates the start of a crawling process. */
    START_CRAWLING,
    /** Indicates the cleanup phase of crawling. */
    CLEANUP_CRAWLING,
    /** Indicates an unsupported URL was encountered when crawling started. */
    UNSUPPORTED_URL_AT_CRAWLING_STARTED,
    /** Indicates checking the last modified date of a resource. */
    CHECK_LAST_MODIFIED,
    /** Indicates the resource has not been modified. */

    /**
     * Output encoding.
     */
    protected String outputEncoding = Constants.UTF_8;

    /**
     * If true, read a content as a text when an extraction fails.
     */
    protected boolean readAsTextIfFailed = false;

    /**
     * Max compression ratio.
     */
    protected long maxCompressionRatio = 100;

    /**

        CrawlerSystemException exception = new CrawlerSystemException(cause);

        assertNotNull(exception);
        assertSame(cause, exception.getCause());
        // When constructed with cause only, message should be cause's toString()
        assertEquals("java.lang.IllegalArgumentException: Root cause", exception.getMessage());
    }

    /**
     * Test constructor with null cause

 * </p>
 *
 * <p>
 * The conversion process involves iterating through the input string, identifying Katakana characters,
 * and replacing them with their corresponding Alphabet representations based on the internal mapping.
 * When a Katakana character has multiple Alphabet representations, the converter generates multiple
 * possible readings.
 * </p>
 *
 * <p>

 * It extends CrawlerSystemException and provides functionality to set and check the log level for the exception.
 *
 * <p>
 * This exception can be thrown when there are problems accessing URLs, files, or any other resources needed for crawling.
 * It includes constructors to handle messages, causes, or both.
 * </p>
 *
 * <p>

 * authentication based on a given path.
 *
 * <p>This class manages a collection of {@link SmbAuthentication} objects, each associated
 * with a specific path prefix. When a path is provided, it iterates through the stored
 * authentications to find the one whose path prefix matches the beginning of the given path.
 * This allows for different SMB shares to use different authentication credentials.</p>

    /**
     * Cache for session queues.
     */
    protected Map<String, QueueHolder> sessionCache = new ConcurrentHashMap<>();

    /**
     * The number of URLs to fetch when polling.
     */
    protected int pollingFetchSize = 1000;

    /**
     * The maximum size of the crawling queue.
     */
    protected int maxCrawlingQueueSize = 100;

    /**