1 package com.imix.sftp;
2
3 import java.io.File;
4 import java.io.FileInputStream;
5 import java.io.FileNotFoundException;
6 import java.io.FileOutputStream;
7 import java.util.Properties;
8 import java.util.Vector;
9
10 import com.jcraft.jsch.Channel;
11 import com.jcraft.jsch.ChannelSftp;
12 import com.jcraft.jsch.JSch;
13 import com.jcraft.jsch.JSchException;
14 import com.jcraft.jsch.Session;
15 import com.jcraft.jsch.SftpException;
16
17
18 /**
19 * @ClassName: SFTP
20 * @Author: Ares
21 * @Description: TODO(sftp demo)
22 * @Date: 2013-3-1 下午12:25:24
23 */
24 public class SFTP {
25
26 /**
27 * @param args
28 */
29 public static void main(String[] args) {
30
31 SFTP ftp = new SFTP();
32 String host="200.31.154.19";
33 int port = 22;
34 String username="root";
35 String password="123456";
36 String directory="/home/imix/";
37 String uploadFile = "D:/ipconfig.txt";
38 String downloadFile = "ipconfig.txt";
39 String saveFile = "D:/ipconfig.txt";
40 String deleteFile = "ipconfig.txt";
41
42 ChannelSftp sftp = ftp.connect(host, port, username, password);
43 ftp.upload(directory, uploadFile, sftp);
44 ftp.download(directory, downloadFile, saveFile, sftp);
45 ftp.delete(directory, deleteFile, sftp);
46 try {
47 sftp.cd(directory);
48 sftp.mkdir("createFolder");
49 } catch (SftpException e) {
50 e.printStackTrace();
51 }finally{
52 try {
53 //如果没有sesstion的disconnect，程序不会退出
54 sftp.getSession().disconnect();
55 } catch (JSchException e) {
56 e.printStackTrace();
57 }
58 sftp.disconnect();
59 sftp.exit();
60 }
61 }
62
63 /**
64 * @AddBy: Ares
65 * @Description: TODO(connect the host)
66 * @param host
67 * @param port
68 * @param username
69 * @param password
70 * @return
71 */
72 public ChannelSftp connect(String host, int port, String username, String password) {
73 ChannelSftp csftp = null;
74 JSch jsch = new JSch();
75 try {
76 Session sshSession = jsch.getSession(username, host, port);
77 System.out.println("jsch session created, user="+username);
78
79 sshSession.setPassword(password);
80 Properties sshConfig = new Properties();
81 sshConfig.put("StrictHostKeyChecking", "no");
82 sshSession.setConfig(sshConfig);
83 sshSession.connect();
84 System.out.println("session is connected.");
85
86 Channel channel = sshSession.openChannel("sftp");
87 channel.connect();
88
89 csftp = (ChannelSftp)channel;
90 System.out.println("connected to host:"+ host);
91
92 } catch (JSchException e) {
93 e.printStackTrace();
94 }
95 return csftp;
96 }
97
98 /**
99 * @AddBy: Ares
100 * @Description: TODO(upload file to host)
101 * @param directory
102 * @param uploadFile
103 * @param sftp
104 * @return
105 */
106 public boolean upload(String directory, String uploadFile, ChannelSftp sftp){
107 File file = new File(uploadFile);
108 try {
109 sftp.cd(directory);
110 sftp.put(new FileInputStream(file), file.getName());
111 System.out.println("upload file success, file:"+uploadFile);
112 } catch (Exception e) {
113 System.err.println("upload file failed, file:"+uploadFile);
114 e.printStackTrace();
115 return false;
116 }
117 return true;
118 }
119 /**
120 * @AddBy: Ares
121 * @Description: TODO(download file from host)
122 * @param directory
123 * @param downloadFile
124 * @param saveFile
125 * @param sftp
126 * @return
127 */
128 public boolean download(String directory, String downloadFile, String saveFile, ChannelSftp sftp){
129 File file = new File(saveFile);
130 try {
131 sftp.cd(directory);
132 sftp.get(downloadFile, new FileOutputStream(file));
133 System.out.println("download file success, file:"+downloadFile);
134 } catch (FileNotFoundException e) {
135 e.printStackTrace();
136 return false;
137 } catch (SftpException e) {
138 System.err.println("download file failed, file:"+downloadFile);
139 e.printStackTrace();
140 return false;
141 }
142 return true;
143 }
144
145 /**
146 * @AddBy: Ares
147 * @Description: TODO(delete file of host)
148 * @param directory
149 * @param deleteFile
150 * @param sftp
151 * @return
152 */
153 public boolean delete(String directory, String deleteFile, ChannelSftp sftp){
154 try {
155 sftp.cd(directory);
156 sftp.rm(deleteFile);
157 System.out.println("delete file success, file:"+deleteFile);
158 } catch (SftpException e) {
159 System.err.println("delete file failed, file:"+deleteFile);
160 e.printStackTrace();
161 return false;
162 }
163 return true;
164 }
165
166 /**
167 * @AddBy: Ares
168 * @Description: TODO(get file list from directory of host)
169 * @param directory
170 * @param sftp
171 * @return
172 */
173 public Vector<?> listFiles(String directory, ChannelSftp sftp){
174 try {
175 return sftp.ls(directory);
176 } catch (SftpException e) {
177 System.err.println("list directory failed, directory:"+directory);
178 e.printStackTrace();
179 }
180 return null;
181 }
182
183 }
