return robotsTxt;
        } catch (final Exception e) {
            throw new RobotsTxtException("Failed to parse robots.txt.", e);
        }
    }

    /**
     * Extracts the value from a line using the given pattern.
     * @param pattern the pattern to match against
     * @param line the line to extract the value from
     * @return the extracted value, or null if no match
     */

            authenticationList.add(auth);
        }
    }

    /**
     * Retrieves an FtpAuthentication object that matches the given path.
     * @param path The path to match.
     * @return The matching FtpAuthentication object, or null if no match is found.
     */
    public FtpAuthentication get(final String path) {
        if (path == null) {
            return null;
        }

 *   <li>Dynamic passwords provided through extraction parameters</li>
 * </ul>
 *
 * <p>Passwords are matched against URLs or resource names using regular expression patterns.
 * The extractor first tries to match against the URL, then falls back to the resource name if available.
 *
 * @author shinsuke
 */
public abstract class PasswordBasedExtractor extends AbstractExtractor {

    /** Logger instance for this class. */

                creator.register(this);
            }
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("CrawlerClientCreator is unavailable.", e);
            }
        }
    }

    /**
     * Adds a client with a regular expression pattern.
     * @param regex The regular expression to match URLs.
     * @param client The CrawlerClient instance.
     */

    }

    /**
     * Sets the prefix match weight.
     * @param prefixMatchWeight The prefix match weight.
     * @return This builder instance.
     */
    public SuggestRequestBuilder setPrefixMatchWeight(final float prefixMatchWeight) {
        request.setPrefixMatchWeight(prefixMatchWeight);
        return this;
    }

    /**
     * Sets whether to match the first word.

        }
    }

    /**
     * Registers a client component with a regular expression.
     * The component will be loaded into all registered CrawlerClientFactories.
     * @param regex The regular expression to match URLs.
     * @param componentName The name of the component to register.
     */
    public synchronized void register(final String regex, final String componentName) {
        clientMap.put(regex, componentName);

            assertTrue(crawlerContext.getRobotsTxtUrlSet().contains("http://localhost:7070/robots.txt"));
            assertFalse(urlFilter.match("http://localhost:7070/admin/"));
            assertFalse(urlFilter.match("http://localhost:7070/websvn/"));
        } finally {
            server.stop();
        }
    }

    public void test_processRobotsTxt_disabled() {

     */
    void init(String sessionId);

    /**
     * Check if a given url is a target.
     *
     * @param url URL
     * @return true if url is matched
     */
    boolean match(String url);

    /**
     * Add an url pattern as a target.
     *
     * @param urlPattern Regular expression that is crawled
     */
    void addInclude(String urlPattern);

    /**

{
  "dynamic_templates": [
    {
      "strings": {
        "mapping": {
          "type": "keyword"
        },
        "match": "*",
        "match_mapping_type": "string"
      }
    }
  ],
  "properties": {
    "@timestamp": {
      "type": "date",
      "format": "epoch_millis"
    },
    "docFreq": {
      "type": "long"
    },
    "fields": {
      "type": "keyword"
    },
    "kinds": {

                        } catch (final Exception e1) {
                            log(logHelper, LogType.CRAWLING_EXCEPTION, crawlerContext, urlQueue, e1);
                        }
                        if (noWaitOnFolder) {
                            continue;
                        }
                    } catch (final CrawlingAccessException e) {