*/
package org.codelibs.fess.crawler.exception;

import java.io.PrintStream;
import java.io.PrintWriter;

/**
 * An exception that indicates multiple crawling access exceptions occurred.
 * This exception holds an array of Throwable objects representing the individual causes.
 * It extends CrawlingAccessException and provides methods to print the stack traces of all causes.
 *
 */

import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.entity.ResultData;

/**
 * The Transformer interface defines methods for transforming response data
 * and retrieving data from access results.
 */
public interface Transformer {

    /**
     * Transforms the given ResponseData into a ResultData.
     *
     * @param responseData the data to be transformed

import org.codelibs.fess.crawler.helper.MimeTypeHelper;

import jakarta.annotation.Resource;

/**
 * An abstract base class for implementing Extractor interfaces.
 * Provides common functionality such as access to CrawlerContainer components
 * and registration with the ExtractorFactory.
 *
 * <p>
 * This class handles the retrieval of essential crawler components like
 * {@link MimeTypeHelper} and {@link ExtractorFactory} from the

    /**
     * Logger instance.
     */
    private static final Logger logger = LogManager.getLogger(OpenSearchUrlQueueService.class);

    /**
     * Data service for checking access results.
     */
    @Resource
    protected OpenSearchDataService dataService;

    /**
     * Cache for session queues.
     */
    protected Map<String, QueueHolder> sessionCache = new ConcurrentHashMap<>();

    /** Indicates processing child URLs due to an exception. */
    PROCESS_CHILD_URLS_BY_EXCEPTION,
    /** Indicates processing a child URL due to an exception. */
    PROCESS_CHILD_URL_BY_EXCEPTION,
    /** Indicates an access exception during crawling. */
    CRAWLING_ACCESS_EXCEPTION,
    /** Indicates a general exception during crawling. */
    CRAWLING_EXCEPTION,
    /** Indicates no URL is available in the queue. */
    NO_URL_IN_QUEUE,

        assertEquals("conditional", conditionalRule.getRuleId());
        assertEquals("test", testRule.getRuleId());
    }

    /**
     * Test protected field access
     */
    public void test_protectedFieldAccess() {
        // Test direct field access (protected fields)
        TestAbstractRule rule = new TestAbstractRule();

        // Direct field assignment
        rule.ruleId = "directFieldAccess";

 *
 * <p>This client requires the following initialization parameters:
 * <ul>
 *   <li>endpoint - The URL of the MinIO server</li>
 *   <li>accessKey - The access key for authentication</li>
 *   <li>secretKey - The secret key for authentication</li>
 *   <li>connectTimeout - Connection timeout in milliseconds (default: 10000)</li>

        assertEquals("transformer2", transformer2.getName());
    }

    /**
     * Test protected field access
     */
    public void test_protectedFieldAccess() {
        TestTransformer transformer = new TestTransformer();

        // Direct field access (simulating subclass behavior)
        transformer.name = "directFieldAccess";
        assertEquals("directFieldAccess", transformer.getName());

 * </p>
 *
 * <p>
 * Example usage:
 * </p>
 *
 * <pre>
 * try {
 *     // Attempt to access a resource
 * } catch (CrawlingAccessException e) {
 *     if (e.isErrorEnabled()) {
 *         // Log the error
 *     }
 * }
 * </pre>
 */
public class CrawlingAccessException extends CrawlerSystemException {

 * result and storing it. Unsuccessful responses are logged for debugging purposes.
 * </p>
 *
 * <p>
 * The class uses {@link CrawlerContainer} to access components like {@link AccessResult}
 * and {@link UrlQueue}. It also uses {@link CrawlingParameterUtil} to access services
 * like {@link UrlQueueService} and DataService, as well as the {@link CrawlerContext}.
 * </p>
 *
 * <p>