I. Apache Commons Net:
<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>3.6</version>
</dependency>
import org.apache.commons.net.ftp.FTPClient;
public class FTPExample {
public static void main(String[] args) {
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect("ftp.example.com");
ftpClient.login("username", "password");
ftpClient.logout();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
import org.apache.commons.net.ftp.FTPClient;
public class FTPExample {
public static void main(String[] args) {
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect("ftp.example.com");
ftpClient.login("username", "password");
FileInputStream fileInputStream = new FileInputStream(new File("file.txt"));
ftpClient.storeFile("file.txt", fileInputStream);
fileInputStream.close();
ftpClient.logout();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
ftpClient.disconnect();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
II. Spring Integration:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-integration</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-ftp</artifactId>
</dependency>
properties
ftp.host=ftp.example.com
ftp.port=21
ftp.username=username
ftp.password=password
<int:channel id="ftpChannel" />
<int:channel id="ftpResultChannel" />
<int-ftp:outbound-channel-adapter id="ftpOutbound"
channel="ftpChannel" session-factory="ftpSessionFactory"
remote-filename-generator-expression="'upload_' + new java.text.SimpleDateFormat('yyyyMMddHHmmssSSS').format(new java.util.Date()) + '.txt'"
remote-directory="/upload" />
<bean id="ftpSessionFactory"
class="org.springframework.integration.ftp.session.DefaultFtpSessionFactory">
<property name="host" value="${ftp.host}" />
<property name="port" value="${ftp.port}" />
<property name="username" value="${ftp.username}" />
<property name="password" value="${ftp.password}" />
</bean>
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;
@Autowired
private MessageChannel ftpChannel;
public void uploadFile(String filePath) {
File file = new File(filePath);
Message<File> message = new GenericMessage<>(file);
ftpChannel.send(message);
}
