JAVA SFTP上傳下載

package rservice;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.Vector;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.ChannelSftp.LsEntry;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;

public class SFTP {
	
	private String host;
	private String username;
	private String password;
	private int port;
	private ChannelSftp sftp;
	
	public SFTP(String host,int port,String username,String password){
		this.host=host;
		this.port=port;
		this.username=username;
		this.password=password;
	}
	
	public void connect(){
		try{
			
			JSch jsch=new JSch();
			Session session=jsch.getSession(username, host, port);
			session.setPassword(password);
			Properties config=new Properties();
			config.put("StrictHostKeyChecking", "no");
			session.setConfig(config);
			session.connect();
			Channel channel=session.openChannel("sftp");
			channel.connect();
			this.sftp=(ChannelSftp)channel;
			
		}catch(Exception ex){
			ex.printStackTrace();
		}
	}
	
	public void disConnect(){
		if(this.sftp!=null){
			if(this.sftp.isConnected()){
				this.sftp.disconnect();
			}
		}
	}
	
	public void upload(String localfile){
		try {
			File file=new File(localfile);
			if(file.isFile()){
				this.sftp.put(new FileInputStream(file), file.getName());
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SftpException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}catch(Exception e){
			e.printStackTrace();
		}
		this.disConnect();
	}
	
	public boolean upload(String localfile,String ramotePath){
		try {
			this.sftp.cd(ramotePath);
			File file=new File(localfile);
			if(file.isFile()){
				this.sftp.put(new FileInputStream(file), file.getName());
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		} catch (SftpException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		}catch(Exception e){
			e.printStackTrace();
			return false;
		}
		this.disConnect();
		return true;
	}
	
	public void download(String localFile,String remotefile){
		try {
			File file=new File(localFile);
			this.sftp.get(remotefile,new FileOutputStream(file));
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SftpException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}catch(Exception e){
			e.printStackTrace();
		}
		this.disConnect();
	}
	
	public List<String> getFileList(String suffix,String remotePath){
		List<String> list=new ArrayList<String>();
		try {
			Vector<?> vector=this.sftp.ls(remotePath);
			if(vector!=null){
				for(Object o:vector){
					if(o instanceof LsEntry){
						String name=((LsEntry)o).getFilename();
						if(name.split(".")[1].toUpperCase().equals(suffix.toUpperCase())){
							list.add(name);
						}
					}
				}
			}
		} catch (SftpException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}catch(Exception e){
			e.printStackTrace();
		}
		this.disConnect();
		return list;
	}

	
	public static void main(String args[]){
		SFTP s=new SFTP("IP",21,"用戶名","密碼");
		s.connect();
		//s.upload("D:\\EDM\\TEST.csv","ramotePath");
		s.download("D:\\EDM\\TEST.CSV", "TEST.CSV");
	}
	
}