}
    }

    /**
     * Test rule processor chain behavior
     */
    public void test_ruleProcessorChain() {
        final List<String> executionOrder = new ArrayList<>();

        // Create custom processor that tracks execution
        ResponseProcessor processor = new ResponseProcessor() {
            @Override
            public void process(ResponseData responseData) {

    }

    @Override
    public ResponseProcessor getResponseProcessor() {
        return responseProcessor;
    }

    /**
     * Sets the response processor for this rule.
     *
     * @param responseProcessor the response processor to set
     */
    public void setResponseProcessor(final ResponseProcessor responseProcessor) {
        this.responseProcessor = responseProcessor;
    }

        // Initial state
        assertNull(testRule.getResponseProcessor());

        // Set response processor
        TestResponseProcessor processor = new TestResponseProcessor();
        testRule.setResponseProcessor(processor);
        assertSame(processor, testRule.getResponseProcessor());

        // Change response processor
        TestResponseProcessor newProcessor = new TestResponseProcessor();

import org.codelibs.fess.crawler.exception.ChildUrlsException;
import org.codelibs.fess.crawler.helper.SitemapsHelper;
import org.codelibs.fess.crawler.processor.ResponseProcessor;

import jakarta.annotation.Resource;

/**
 * A response processor implementation that handles sitemaps.
 * It parses the response body as a SitemapSet, extracts URLs from the sitemaps,
 * and adds them as child URLs to be crawled.
 *
 * <p>

     */
    public NullResponseProcessor() {
        super();
    }

    /**
     * Processes the given response data.
     * This implementation does nothing.
     *
     * @param responseData the response data to process
     */
    @Override
    public void process(final ResponseData responseData) {
        // do nothing
    }

            logger.debug("No rule for ({}, {}). PLEASE CHECK YOUR CONFIGURATION.", responseData.getUrl(), responseData.getMimeType());
        }
    }

    /**
     * Processes no response processor found log events.
     *
     * @param objs the log objects (should contain ResponseData)
     */
    protected void processNoResponseProcessor(final Object... objs) {

     */
    public DefaultResponseProcessor() {
        // Default constructor
    }

    /**
     * Processes response data based on HTTP status code and configured transformer.
     *
     * @param responseData the response data to process
     */
    @Override
    public void process(final ResponseData responseData) {
        if (isNotModified(responseData)) {

                .<DefaultResponseProcessor> singleton("defaultResponseProcessor", DefaultResponseProcessor.class, processor -> {
                    processor.setTransformer(container.getComponent("fileTransformer"));
                    processor.setSuccessfulHttpCodes(new int[] { 200 });
                    processor.setNotModifiedHttpCodes(new int[] { 304 });
                })//

package org.codelibs.fess.crawler.log;

/**
 * LogType defines the different types of log messages that can be generated during the crawling process.
 * Each enum constant represents a specific event or state in the crawler's execution.
 */
public enum LogType {
    /** Indicates the start of a crawling process. */
    START_CRAWLING,
    /** Indicates the cleanup phase of crawling. */
    CLEANUP_CRAWLING,

                }
            }
        }
        return true;
    }

    /**
     * Processes the response data using the appropriate rule processor.
     * @param urlQueue The URL queue entry.
     * @param responseData The response data to process.
     */
    protected void processResponse(final UrlQueue<?> urlQueue, final ResponseData responseData) {
        // get a rule