如何使用JSch为SFTP连接添加TLS功能

import com.jcraft.jsch.*;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import java.security.NoSuchAlgorithmException;

public class SftpWithTlsExample {
    public static void main(String[] args) {
        String host = "your_host";
        int port = 22;
        String username = "your_username";
        String password = "your_password";

        try {
            JSch jsch = new JSch();

            // 创建SSH会话
            Session session = jsch.getSession(username, host, port);
            session.setPassword(password);
            session.setConfig("StrictHostKeyChecking", "no");
            session.connect();

            // 创建SFTP通道
            ChannelSftp sftpChannel = (ChannelSftp) session.openChannel("sftp");
            sftpChannel.connect();

            // 添加TLS功能
            SSLContext sslContext = SSLContext.getInstance("TLS");
            sslContext.init(null, null, null);
            SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
            sftpChannel.setSocketFactory(new JschSocketFactory(sslSocketFactory));

            // 在此处进行SFTP操作，如上传、下载文件等

            // 关闭SFTP通道和SSH会话
            sftpChannel.disconnect();
            session.disconnect();
        } catch (JSchException | NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
    }

    // 自定义JschSocketFactory类，用于将SSLSocketFactory应用到JSch的SocketFactory接口
    private static class JschSocketFactory implements SocketFactory {
        private final SSLSocketFactory sslSocketFactory;

        public JschSocketFactory(SSLSocketFactory sslSocketFactory) {
            this.sslSocketFactory = sslSocketFactory;
        }

        @Override
        public Socket createSocket(String host, int port) {
            return sslSocketFactory.createSocket(host, port);
        }

        @Override
        public InputStream getInputStream(Socket socket) throws IOException {
            return socket.getInputStream();
        }

        @Override
        public OutputStream getOutputStream(Socket socket) throws IOException {
            return socket.getOutputStream();
        }
    }
}