*
     * @param url the URL to check
     * @return true if the URL uses a file path protocol (smb, smb1, file, ftp, s3, gcs)
     */
    public boolean isFilePathProtocol(final String url) {
        return url.startsWith("smb:") || url.startsWith("smb1:") || url.startsWith("file:") || url.startsWith("ftp:")
                || url.startsWith("s3:") || url.startsWith("gcs:");
    }

    /**

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.client.ftp;

import java.net.URI;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.core.lang.StringUtil;

/**
 * FtpAuthentication class holds the authentication information for FTP connections.
 * It includes server address, port number, username, and password.

    }

    @Test
    public void test_isFileSystemPath_ftp_protocol() {
        assertTrue(goAction.isFileSystemPath("ftp://ftp.example.com/path/file.txt"));
        assertTrue(goAction.isFileSystemPath("ftp://user:pass@ftp.example.com/file.txt"));
        assertTrue(goAction.isFileSystemPath("ftp://192.168.1.1/file.txt"));
    }

    @Test
    public void test_isFileSystemPath_storage_protocol() {

    }

    @Test
    public void test_convertCrawlingPath_ftp_protocol() {
        assertEquals("ftp://ftp.example.com/path", wizardAction.convertCrawlingPath("ftp://ftp.example.com/path"));
        assertEquals("ftp://192.168.1.1/files", wizardAction.convertCrawlingPath("ftp://192.168.1.1/files"));
    }

    @Test
    public void test_convertCrawlingPath_storage_protocol() {

        return roleTypeList;
    }

    /**
     * Extracts role type information from FTP (File Transfer Protocol) response data.
     * Processes FTP metadata to extract file owner and group information.
     *
     * @param responseData the response data containing FTP metadata
     * @return a list of role type strings extracted from the FTP file permissions
     */

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.client.ftp;

import java.util.ArrayList;
import java.util.List;

/**
 * Holds a list of FtpAuthentication objects and provides methods to add and retrieve them based on a given path.
 * This class is designed to manage FTP authentication details for different paths.
 */
public class FtpAuthenticationHolder {

the code and data maintained as part of the IANA Time Zone Database.
The IANA asserts that the database is in the public domain.

For more information, see
https://www.iana.org/time-zones
ftp://ftp.iana.org/tz/code/tz-link.html
https://datatracker.ietf.org/doc/html/rfc6557

### Key Features

- **Multi-Protocol Support**: HTTP/HTTPS, File System, FTP, SMB/CIFS, Cloud Storage (MinIO, S3)
- **Comprehensive Content Extraction**: Office documents, PDFs, archives, images, audio/video files

- **Testing**: JUnit 4, UTFlute, Mockito, Testcontainers
- **Storage**: In-memory (default), OpenSearch (optional)
- **Cloud**: AWS SDK v2 (S3), Google Cloud Storage

### Protocols

HTTP/HTTPS, File, FTP/FTPS, SMB/CIFS (SMB1/SMB2+), Storage (MinIO via `storage://`), S3 (`s3://`), GCS (`gcs://`)

### Content Formats

        }
    }

    // Test with different hostnames
    @Test
    public void test_differentHostnames() {
        String[] hostnames = { "smtp.gmail.com", "mail.example.com", "localhost", "192.168.1.1" };

        for (String hostname : hostnames) {
            ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {