<!-- Apache Commons Net -->
<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>3.8.0</version>
</dependency>
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
public class FileUploader {
public static void main(String[] args) {
String server = "ftp.example.com";
int port = 21;
String user = "username";
String password = "password";
String localFilePath = "/path/to/local/file.txt";
String remoteFilePath = "/path/to/remote/file.txt";
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect(server, port);
ftpClient.login(user, password);
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
ftpClient.storeFile(remoteFilePath, new FileInputStream(localFilePath));
ftpClient.logout();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
public class FileDownloader {
public static void main(String[] args) {
String server = "ftp.example.com";
int port = 21;
String user = "username";
String password = "password";
String localFilePath = "/path/to/local/file.txt";
String remoteFilePath = "/path/to/remote/file.txt";
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect(server, port);
ftpClient.login(user, password);
ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
ftpClient.retrieveFile(remoteFilePath, new FileOutputStream(localFilePath));
ftpClient.logout();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (ftpClient.isConnected()) {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}