* Default value is true.
     */
    protected boolean ignoreException = true;

    /**
     * Constructs a new AbstractIntervalController.
     */
    public AbstractIntervalController() {
        // NOP
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.interval.IntervalController#delay(int)
     */
    @Override
    public void delay(final int type) {
        try {

            // NOP
        }
    }

    public void test_parseXmlSitemaps_invalid2() {
        final byte[] bytes = "test".getBytes();
        final InputStream in = new ByteArrayInputStream(bytes);

        try {
            sitemapsHelper.parse(in);
            fail();
        } catch (final CrawlingAccessException e) {
            // NOP
        }
    }

    /** The crawler container. */
    @Resource
    protected CrawlerContainer crawlerContainer;

    /**
     * Constructs a new AbstractExtractor.
     */
    public AbstractExtractor() {
        // NOP
    }

    /**
     * Registers this extractor with the ExtractorFactory.
     * @param keyList The list of keys to register this extractor under.
     */
    public void register(final List<String> keyList) {

     */
    protected Map<Pattern, CrawlerClient> clientMap = new LinkedHashMap<>();

    /**
     * Creates a new instance of CrawlerClientFactory.
     */
    public CrawlerClientFactory() {
        // NOP
    }

    /**
     * Initializes the CrawlerClientFactory.
     * Attempts to register itself with a "crawlerClientCreator" component if available.
     */
    @PostConstruct
    public void init() {

                        try {
                            buf.append(URLEncoder.encode(String.valueOf(c), Constants.UTF_8));
                        } catch (final UnsupportedEncodingException e) {
                            // NOP
                        }
                    }
                }
                hash = buf.toString();
            } else {
                hash = StringUtil.EMPTY;
            }
        } else {

    /** List of request headers */
    private final List<Header> requestHeaderList = new ArrayList<>();

    /**
     * Constructs a new ApiExtractor.
     */
    public ApiExtractor() {
        // NOP
    }

    /**
     * Initializes the API extractor, setting up the HTTP client and configuration.
     * This method is called after construction to initialize the HTTP client with

     */
    protected boolean ignoreCommentTag = false;

    /**
     * Constructs a new AbstractXmlExtractor.
     */
    public AbstractXmlExtractor() {
        // NOP
    }

    /**
     * Returns the pattern used to extract encoding information from content.
     * @return The encoding pattern.
     */
    protected abstract Pattern getEncodingPattern();

    /**

        try {
            final EncodingHelper encodingHelper = crawlerContainer.getComponent("encodingHelper");
            return encodingHelper.normalize(encoding);
        } catch (final Exception e) {
            // NOP
        }
        return encoding;
    }

    /**
     * Parses the charset from the content string.
     *
     * @param content the content to parse

    /** Whether to redirect standard output to a file. */
    protected boolean standardOutput = false;

    /**
     * Constructs a new CommandExtractor.
     */
    public CommandExtractor() {
        // NOP
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.extractor.Extractor#getText(java.io.InputStream,
     * java.util.Map)
     */
    @Override

 *
 * @author shinsuke
 *
 */
public abstract class AbstractCrawlerService {
    /**
     * Creates a new instance of AbstractCrawlerService.
     */
    public AbstractCrawlerService() {
        // NOP
    }

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

    private static final String ID_SEPARATOR = ".";