xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/pkg/v3/mimedb"
	ftp "goftp.io/server/v2"
)

var _ ftp.Driver = &ftpDriver{}

// ftpDriver implements ftpDriver to store files in minio
type ftpDriver struct {
	endpoint string
}

// NewFTPDriver implements ftp.Driver interface
func NewFTPDriver() ftp.Driver {
	return &ftpDriver{endpoint: fmt.Sprintf("127.0.0.1:%s", globalMinioPort)}
}

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPClient.NatServerResolverImpl;
import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPFileFilters;
import org.apache.commons.net.ftp.FTPSClient;
import org.apache.commons.net.util.TrustManagerUtils;

            assertEquals("ftp://localhost:10021/text 3.txt", urlList.get(2));
            assertEquals("ftp://localhost:10021/text1.txt", urlList.get(3));
            assertEquals("ftp://localhost:10021/text2.txt", urlList.get(4));
        } finally {
            if (server != null) {
                server.stop();
            }
        }
    }

     *
     * @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:");
    }

    /**

	if cf.CertsDir != "" {
		ctxt.CertsDir = cf.CertsDir
		ctxt.certsDirSet = true
	}

	if cf.Options.FTP.Address != "" {
		ctxt.FTP = append(ctxt.FTP, fmt.Sprintf("address=%s", cf.Options.FTP.Address))
	}
	if cf.Options.FTP.PassivePortRange != "" {
		ctxt.FTP = append(ctxt.FTP, fmt.Sprintf("passive-port-range=%s", cf.Options.FTP.PassivePortRange))
	}

	if cf.Options.SFTP.Address != "" {

        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
     */

### 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

        urlFilter.init(sessionId);

        urlFilter.addInclude("(http|https|ftp|file)://.*");
        urlFilter.addExclude("javascript:.*");
        urlFilter.addExclude("mailto:.*");

        assertTrue(urlFilter.match("http://example.com/"));
        assertTrue(urlFilter.match("https://example.com/"));
        assertTrue(urlFilter.match("ftp://files.com/"));
        assertTrue(urlFilter.match("file:///home/user/file"));

http://foo:80/  s:http h:foo p:/
http://foo:81/  s:http h:foo port:81 p:/
httpa://foo:80/  s:httpa p://foo:80/
http://foo:-80/
https://foo:443/  s:https h:foo p:/
https://foo:80/  s:https h:foo port:80 p:/
ftp://foo:21/  s:ftp h:foo p:/
ftp://foo:80/  s:ftp h:foo port:80 p:/
gopher://foo:70/  s:gopher h:foo p:/
gopher://foo:443/  s:gopher h:foo port:443 p:/
ws://foo:80/  s:ws h:foo p:/
ws://foo:81/  s:ws h:foo port:81 p:/

- **Elasticsearch / OpenSearch** - Direct data migration via bulk APIs
- **Apache Solr** - Document import via REST API
- **Database Systems** - Direct connection via DataStore plugins
- **File Systems** - SMB, FTP, local file crawling
- **Custom Systems** - REST API for bulk document indexing

---

## Pre-Migration Planning

### 1. Assessment Phase

Before starting migration, assess your current system: