public abstract class AbstractExtractor implements Extractor {

    @Resource
    protected CrawlerContainer crawlerContainer;

    public void register(final List<String> keyList) {
        getExtractorFactory().addExtractor(keyList, this);
    }

    protected MimeTypeHelper getMimeTypeHelper() {
        final MimeTypeHelper mimeTypeHelper = crawlerContainer.getComponent("mimeTypeHelper");

    public Logger getLogger() {
        return logger;
    }

    @Override
    protected Extractor getExtractor(final ResponseData responseData) {
        final ExtractorFactory extractorFactory = ComponentUtil.getExtractorFactory();
        if (extractorFactory == null) {
            throw new FessSystemException("Could not find extractorFactory.");
        }

            throw new CrawlerSystemException("The inputstream is null.");
        }

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        final StringBuilder buf = new StringBuilder(1000);

        File tempFile = null;
        LhaFile lhaFile = null;
        try {
            tempFile = File.createTempFile("crawler-", ".lzh");

    public Logger getLogger() {
        return logger;
    }

    @Override
    protected Extractor getExtractor(final ResponseData responseData) {
        final ExtractorFactory extractorFactory = ComponentUtil.getExtractorFactory();
        if (extractorFactory == null) {
            throw new FessSystemException("Could not find extractorFactory.");
        }
        Extractor extractor = extractorFactory.getExtractor(responseData.getMimeType());

    }

    protected void appendAttachment(final StringBuilder buf, final BodyPart bodyPart) {
        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        try {
            final String filename = getDecodeText(bodyPart.getFileName());
            final String mimeType = mimeTypeHelper.getContentType(null, filename);
            if (mimeType != null) {

            throw new CrawlerSystemException("The inputstream is null.");
        }

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        final StringBuilder buf = new StringBuilder(1000);

        try (final ArchiveInputStream ais =

            throw new CrawlerSystemException("The inputstream is null.");
        }

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        return new ExtractData(getTextInternal(in, mimeTypeHelper, extractorFactory));
    }

        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        final String mimeType = mimeTypeHelper.getContentType(null, filename);
        if (mimeType != null) {
            final Extractor extractor = extractorFactory.getExtractor(mimeType);

    }

    public static IntervalControlHelper getIntervalControlHelper() {
        return getComponent(INTERVAL_CONTROL_HELPER);
    }

    public static ExtractorFactory getExtractorFactory() {
        return getComponent(EXTRACTOR_FACTORY);
    }

    public static JobExecutor getJobExecutor(final String name) {
        if (name.endsWith(JOB_EXECUTOR_SUFFIX)) {