JavaはWindowsからLinuxにファイルを転送します

<dependency>
            <groupId>ch.ethz.ganymed</groupId>
            <artifactId>ganymed-ssh2</artifactId>
            <version>build210</version>
        </dependency>

package com.ruoyi.xatool;

import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.SCPClient;
import ch.ethz.ssh2.SFTPv3Client;
import ch.ethz.ssh2.Session;

import java.io.InputStream;
import java.io.UnsupportedEncodingException;

public class SSH2App {
    
    
	private static final String host = "";
	private static final String username = "";
	private static final String password="";
	private static final Connection conn = new Connection(host,2222);
	
	//账密验证
	private static boolean isAuthed(){
    
    
		try {
    
    
			return conn.authenticateWithPassword(username, password);
		} catch (Exception e) {
    
    
			e.printStackTrace();
		}
		return false;
	}
	//上传文件
	public static void putFile(String localFile,String remoteTargetDirectory){
    
    
		try {
    
    
			conn.connect();
			if(isAuthed()){
    
    
				SCPClient scpClient = conn.createSCPClient();
				scpClient.put(localFile, remoteTargetDirectory);
				System.out.println("上传成功");
			}else{
    
    
				System.out.println("上传失败");
			}
		} catch (Exception e) {
    
    
			e.printStackTrace();
		}finally{
    
    
			conn.close();
		}
	}
	//判断是否有该文件夹
	public static boolean exec(String command,String url){
    
    
		boolean flag =false;
		try {
    
    
			conn.connect();
			if(isAuthed()){
    
    
				SFTPv3Client sftpv3Client = new SFTPv3Client(conn);
				Session session = conn.openSession();
				session.execCommand(command);
				InputStream input = session.getStdout();
				byte[] data = new byte[1024];
				int read = input.read(data);
				//String result = new String(data,0,data.length);
				if(read<1){
    
    
					sftpv3Client.mkdir(url,0777);
					System.out.println("创建文件夹："+url);
				}else{
    
    
					flag = true;
				}
			}else{
    
    
				System.out.println("authentication fail.");
			}
		} catch (Exception e) {
    
    
			e.printStackTrace();
		}finally{
    
    
			conn.close();
			return flag;
		}
	}
	//拼路径
	public void isDir(String upUrl,String localUrl){
    
    
		String[] split = upUrl.split("/");
		String dirUrl ="/home/filebackup";
		//判断是否有该村文件夹，split[split.length-2]==村名
		String dir = "find "+dirUrl+" -name "+split[split.length-2]+" -type d";
		boolean exec = exec(dir, upUrl);
		if(!exec){
    
    
			for (int i = 4; i < split.length; i++) {
    
    
				dirUrl=dirUrl+"/"+split[i];
				dir="find "+dirUrl+" -name "+split[i]+" -type d";
				exec(dir,dirUrl);
			}
		}else{
    
    
		//split[split.length-1]==村民姓名
			dir = "find "+dirUrl+" -name "+split[split.length-1]+" -type d";
			exec(dir,upUrl);
		}
		putFile(localUrl, upUrl);
	}
	
	public static void main(String[] args) throws UnsupportedEncodingException {
    
    
		String dir = "";
		String url="";
		//isDir(url);
	}
}

フォルダ作成時に最適化できると思うのですが、方法をご存知の方はメッセージをお願いします。