userManager.save(ftpUser);
        }

        FtpServer server = factory.createServer();
        server.start();
        return server;
    }

    public void test_doGet_root_dir() throws FtpException {
        FtpServer server = null;
        try {
            String username = "testuser";
            String password = "testpass";
            server = startFtpServer(FTP_PORT, username, password);

            dataService.delete(sessionId);
        } finally {
            server.stop();
        }
    }

    public void test_execute_xmlSitemaps() throws Exception {
        final CrawlerWebServer server = new CrawlerWebServer(7070);
        server.start();

        final String url = "http://localhost:7070/";
        try {
            final int maxCount = 50;

            dataService.delete(sessionId);
        } finally {
            server.stop();
        }
    }

    public void test_execute_xmlSitemaps() throws Exception {
        final CrawlerWebServer server = new CrawlerWebServer(7070);
        server.start();

        final String url = "http://localhost:7070/";
        try {
            final int maxCount = 50;

    }

    public void test_doGet() {
        final CrawlerWebServer server = new CrawlerWebServer(7070);
        server.start();

        final String url = "http://localhost:7070/";
        try {
            final ResponseData responseData = httpClient.doGet(url);
            assertEquals(200, responseData.getHttpStatusCode());
        } finally {
            server.stop();
        }
    }

         *
         * @return The object statistics response
         * @throws InvalidKeyException If the access key is invalid
         * @throws ErrorResponseException If the server returns an error
         * @throws IllegalArgumentException If the arguments are invalid
         * @throws InsufficientDataException If insufficient data is available

 * </p>
 * <ul>
 *   <li>ftpConfigSystemKey: The system key used to configure the FTPClientConfig.</li>
 *   <li>ftpConfigServerLanguageCode: The language code used by the FTP server.</li>
 *   <li>ftpConfigServerTimeZoneId: The time zone ID of the FTP server.</li>
 *   <li>activeExternalHost: The external IP address to use for active mode FTP.</li>
 *   <li>activeMinPort: The minimum port number for active mode FTP.</li>

                .withEnv("MINIO_ACCESS_KEY", ACCESS_KEY)//
                .withEnv("MINIO_SECRET_KEY", SECRET_KEY)//
                .withExposedPorts(port)//
                .withCommand("server /data")//
                .waitingFor(new HttpWaitStrategy()//
                        .forPath("/minio/health/ready")//
                        .forPort(port)//

```

## Supported Protocols and Formats

### Protocols
- **HTTP/HTTPS**: Full web crawling support with cookies, authentication, redirects
- **File System**: Local and network file system access
- **FTP**: FTP server crawling with authentication
- **SMB/CIFS**: Windows network shares
- **Storage**: Cloud storage systems (MinIO, S3-compatible)

### Content Formats

#### Office Documents

import com.google.common.base.Charsets;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;

/**
 * Extract a text by using external http server.
 */
public class ApiExtractor extends AbstractExtractor {

    private static final Logger logger = LogManager.getLogger(ApiExtractor.class);

    /** The URL of the API endpoint. */
    protected String url;

        // Process URL should handle different URL formats
        urlFilter.processUrl("https://example.com/");
        urlFilter.processUrl("http://test.com/path/to/page");
        urlFilter.processUrl("ftp://files.server.com/documents/");
        urlFilter.processUrl("file:///local/path/file.txt");

        // Should complete without errors
        assertNotNull(urlFilter);
    }

    /**