/**
 * CrawlingAccessException is an exception class that represents an issue encountered while accessing a resource during the crawling process.
 * It extends CrawlerSystemException and provides functionality to set and check the log level for the exception.
 *
 * <p>
 * This exception can be thrown when there are problems accessing URLs, files, or any other resources needed for crawling.

import java.util.EnumSet;
import java.util.HashSet;
import java.util.Set;

import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for CrawlerStatus enum.
 * Tests all enum functionality including values, valueOf, ordinal, and serialization.
 */
public class CrawlerStatusTest extends PlainTestCase {

    /**
     * Test that all expected enum values exist
     */
    public void test_enumValues() {

import org.codelibs.fess.crawler.exception.MaxLengthExceededException;

import jakarta.annotation.Resource;

/**
 * Abstract base class for CrawlerClient implementations.
 * Provides common functionality for handling initialization parameters,
 * content length checks, and default method implementations.
 * It defines the basic structure and configuration options for crawler clients.
 */

import org.codelibs.fess.crawler.exception.CrawlerSystemException;
import org.codelibs.fess.crawler.exception.ExtractException;

/**
 * Abstract base class for XML extractors.
 * Provides common functionality for extracting text content from XML-like documents.
 * It handles encoding detection, HTML entity unescaping, and tag-based content extraction.
 *
 */
public abstract class AbstractXmlExtractor extends AbstractExtractor {

mvn formatter:format
mvn license:format
```

### Code Style

- Follow Java coding conventions
- Use proper JavaDoc comments for public APIs
- Include unit tests for new functionality
- Ensure all tests pass before submitting PR

## License

/**
 * Utility class for text normalization and processing.
 *
 * This class provides methods to normalize text by reading characters from a provided Reader
 * and processing them according to specific rules. The main functionality is encapsulated
 * within the nested {@link TextNormalizeContext} class.
 *
 * <p>The text normalization process includes:
 * <ul>
 *   <li>Treating ISO control characters and specified space characters as spaces.</li>

import org.codelibs.fess.crawler.exception.CrawlerSystemException;

/**
 * <p>
 * FileTransformer stores the content of a crawled resource as a file on the file system.
 * It extends HtmlTransformer and provides functionality to:
 * </p>
 * <ul>
 *     <li>Specify a base directory for storing files.</li>
 *     <li>Generate file paths from URLs, replacing special characters.</li>

import org.codelibs.fess.crawler.pool.CrawlerPooledObjectFactory.OnDestroyListener;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for CrawlerPooledObjectFactory.
 * Tests the pooled object factory functionality including object creation,
 * wrapping, destruction, and listener mechanisms.
 */
public class CrawlerPooledObjectFactoryTest extends PlainTestCase {

    private CrawlerPooledObjectFactory<TestComponent> factory;

import org.codelibs.fess.crawler.rule.Rule;
import org.codelibs.fess.crawler.rule.RuleManager;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for CrawlerContext.
 * Tests all functionality including thread safety and concurrent operations.
 */
public class CrawlerContextTest extends PlainTestCase {

    private CrawlerContext crawlerContext;

    @Override

import org.codelibs.fess.crawler.rule.RuleManager;
import org.dbflute.utflute.core.PlainTestCase;

/**
 * Test class for AbstractRule.
 * Tests the abstract rule implementation and its common functionality.
 */
public class AbstractRuleTest extends PlainTestCase {

    /**
     * Concrete implementation of AbstractRule for testing
     */
    public static class TestAbstractRule extends AbstractRule {