}
                });
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.extractor.Extractor#getText(java.io.InputStream,
     * java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }

     */
    public CommandExtractor() {
        // NOP
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.extractor.Extractor#getText(java.io.InputStream,
     * java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        final String resourceName = params == null ? null : params.get(ExtractData.RESOURCE_NAME_KEY);

        params.put(ExtractData.CONTENT_TYPE, responseData.getMimeType());
        String content = null;
        try (final InputStream in = responseData.getResponseBody()) {
            content = extractor.getText(in, params).getContent();
        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not extract data.", e);
        }

        final ResultData resultData = new ResultData();

                }
                return new ExtractData(StringUtil.EMPTY);
            } else {
                try (InputStream is = getContentInputStream(out)) {
                    return extractor.getText(is, params);
                }
            }
        } catch (final CrawlingAccessException e) {
            throw e;
        } catch (final Exception e) {

     * @param params additional parameters
     * @return the extracted data
     * @throws ExtractException if extraction fails
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (logger.isDebugEnabled()) {
            logger.debug("Accessing {}", url);
        }

        // start

     */
    public static String createBulkLine(final String index, final String type, final SuggestItem item) {
        if (item == null || item.getId() == null || item.getText() == null) {
            throw new SuggesterException("Invalid SuggestItem: item, id, or text is null");
        }

        final Map<String, Object> firstLineMap = new HashMap<>();

        id = SuggestUtil.createSuggestTextId(this.text);
    }

    /**
     * Returns the text of the suggest item.
     * @return The text.
     */
    public String getText() {
        return text;
    }

    /**
     * Returns the readings of the suggest item.
     * @return The readings.
     */
    public String[][] getReadings() {
        return readings;
    }

    /**
     * Returns the pattern used to identify tags in the content.
     * @return The tag pattern.
     */
    protected abstract Pattern getTagPattern();

    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {

    protected Object parsePrimitive(final JsonParser jsonParser) throws IOException {
        final JsonToken token = jsonParser.getCurrentToken();
        return switch (token) {
        case VALUE_STRING -> jsonParser.getText();
        case VALUE_NUMBER_INT -> jsonParser.getLongValue();
        case VALUE_NUMBER_FLOAT -> jsonParser.getDoubleValue();
        case VALUE_TRUE -> true;
        case VALUE_FALSE -> false;

crawler.awaitTermination();
System.out.println("Crawling completed");
```

### Custom Content Extractor

```java
public class CustomExtractor extends AbstractExtractor {
    @Override
    public ExtractData getText(final InputStream inputStream, final Map<String, String> params) {
        // Custom extraction logic
        ExtractData extractData = new ExtractData();
        // ... implementation
        return extractData;
    }