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      Contribution(s) alone or by combination of their Contribution(s)
      with the Work to which such Contribution(s) was submitted. If You
      institute patent litigation against any entity (including a
      cross-claim or counterclaim in a lawsuit) alleging that the Work

     * A definition for a component that can be instantiated on demand.
     * This class handles component creation, dependency injection, and initialization.
     *
     * @param <T> the type of the component
     */
    protected static class ComponentDef<T> {
        /**
         * The class of the component to instantiate.
         */
        protected Class<T> cls;

        /**

                    target.setMethod(getFieldValue(fields.get("method"), String.class));
                    target.setMimeType(getFieldValue(fields.get("mimeType"), String.class));
                    target.setSessionId(getFieldValue(fields.get("sessionId"), String.class));
                    target.setUrl(getFieldValue(fields.get("url"), String.class));

                .prototype("accessResult", AccessResultImpl.class)
                .prototype("urlQueue", UrlQueueImpl.class)
                .prototype("crawlerThread", CrawlerThread.class)
                .prototype("crawler", Crawler.class)
                .prototype("urlFilterService", UrlFilterServiceImpl.class)
                .prototype("urlQueueService", UrlQueueServiceImpl.class)
                .prototype("dataService", DataServiceImpl.class)

        this.charsetName = charsetName;
    }

    /**
     * Returns the data class.
     * @return The data class.
     */
    public Class<?> getDataClass() {
        return dataClass;
    }

    /**
     * Sets the data class.
     * @param dataClass The data class to set.
     */
    public void setDataClass(final Class<?> dataClass) {
        this.dataClass = dataClass;
    }

        activeMinPort = getInitParameter("activeMinPort", -1, Integer.class);
        activeMaxPort = getInitParameter("activeMaxPort", -1, Integer.class);
        autodetectEncoding = getInitParameter("autodetectEncoding", true, Boolean.class);
        connectTimeout = getInitParameter("connectTimeout", 0, Integer.class);

public class BasicCrawlerExample {
    public static void main(String[] args) throws Exception {
        // Create crawler container
        StandardCrawlerContainer container = new StandardCrawlerContainer();
        
        // Configure basic components
        container.singleton("crawler", Crawler.class)
                .singleton("httpClient", HcHttpClient.class)

import jakarta.annotation.Resource;

/**
 * <p>
 * XmlTransformer is a class that extends AbstractTransformer to transform XML documents into a specific format for indexing.
 * It uses XPath expressions to extract data from the XML and stores it in a ResultData object.
 * </p>
 *
 * <p>
 * This class provides several configuration options to customize the XML parsing process, such as:
 * </p>
 * <ul>

                if (context.get(EmbeddedDocumentExtractor.class) == null) {
                    final Parser p = context.get(Parser.class);
                    if (p == null) {
                        context.set(Parser.class, this);
                    }
                    context.set(EmbeddedDocumentExtractor.class, new ParsingEmbeddedDocumentExtractor(context));
                }

                .singleton("singletonComponent", SingletonTestComponent.class)
                .singleton("factory", CrawlerPooledObjectFactory.class);

        factory = new CrawlerPooledObjectFactory<>();
        factory.crawlerContainer = container;
    }

    /**
     * Test component class for testing factory operations
     */