pom相关依赖如下
<dependency>
<groupId>com.jcraft</groupId>
<artifactId>jsch</artifactId>
<version>0.1.54</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-vfs2</artifactId>
<version>2.1</version>
</dependency>
所使用的util如下
package com.example.democol.common.util;
import com.example.democol.exception.EmosException;
import com.jcraft.jsch.*;
import com.mchange.v2.log.LogUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
import java.net.SocketException;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.Vector;
/**
* @author Chenkl
* @version $Id: SftpUtils.java,v 1.1 2018/12/13 18:08 Chenkl Exp $
* Created on 2018/12/13 18:08
*/
public class SftpUtils implements AutoCloseable {
private static final Logger logger= LoggerFactory.getLogger(SftpUtils.class);
private Session session = null;
private ChannelSftp channel = null;
/**
* 连接sftp服务器
*
* @param serverIP 服务IP
* @param port 端口
* @param userName 用户名
* @param password 密码
* @throws SocketException SocketException
* @throws IOException IOException
* @throws JSchException JSchException
*/
public void connectServer(String serverIP, int port, String userName, String password) throws SocketException, IOException, JSchException {
JSch jsch = new JSch();
// 根据用户名，主机ip，端口获取一个Session对象
session = jsch.getSession(userName, serverIP, port);
// 设置密码
session.setPassword(password);
// 为Session对象设置properties
Properties config = new Properties();
config.put("StrictHostKeyChecking", "no");
session.setConfig(config);
// 通过Session建立链接
session.connect();
// 打开SFTP通道
channel = (ChannelSftp) session.openChannel("sftp");
// // 建立SFTP通道的连接
channel.connect();
}
/**
* 自动关闭资源
*/
public void close() {
if (channel != null) {
channel.disconnect();
}
if (session != null) {
session.disconnect();
}
}
private List<String> getDirList(String path, String appendPath) throws SftpException {
if (!appendPath.endsWith("/")) {
appendPath += "/";
}
List<String> result = new ArrayList<>();
List<String> dirList = this.getDirList(path + appendPath);
for (String fileName : dirList) {
result.add(appendPath + fileName);
}
return result;
}
public long getFileSize(String file) throws SftpException, IOException {
Vector ls = channel.ls(file);
if (ls == null) {
throw new IOException("file " + file + " not found!");
}
ChannelSftp.LsEntry temp = (ChannelSftp.LsEntry) ls.get(0);
return temp.getAttrs().getSize();
}
public List<String> getDirList(String path) throws SftpException {
List<String> result = new ArrayList<>();
if (!path.endsWith("/")) {
path += "/";
}
if (channel != null) {
logger.info("开始获取目录： " + path);
Vector vv = channel.ls(path);
if (vv == null || vv.size() == 0) {
return result;
} else {
Object[] aa = vv.toArray();
for (int i = 0; i < aa.length; i++) {
ChannelSftp.LsEntry temp = (ChannelSftp.LsEntry) aa[i];
System.out.println(temp.getFilename());
if (temp.getFilename().startsWith(".")) {
continue;
}
if (temp.getAttrs().isDir()) {
List<String> dirList = this.getDirList(path, temp.getFilename());
result.addAll(dirList);
} else {
result.add(temp.getFilename());
}
}
}
logger.info("获取目录结束： " + path);
}
return result;
}
public List<String> getFileList(String path) throws SftpException {
List<String> result = new ArrayList<>();
if (!path.endsWith("/")) {
path += "/";
}
if (channel != null) {
logger.info("开始获取目录： " + path);
Vector vv = channel.ls(path);
if (vv == null || vv.size() == 0) {
return result;
} else {
Object[] aa = vv.toArray();
for (int i = 0; i < aa.length; i++) {
ChannelSftp.LsEntry temp = (ChannelSftp.LsEntry) aa[i];
System.out.println(temp.getFilename());
if (temp.getFilename().startsWith(".")) {
continue;
}
if (temp.getAttrs().isDir()) {
List<String> dirList = this.getFileList(path+temp.getFilename());
result.addAll(dirList);
} else {
result.add(temp.getFilename());
}
}
}
logger.info("获取目录结束： " + path);
}
return result;
}
/**
* 下载文件
*
* @param remotePathFile 远程文件
* @param localPathFile 本地文件[绝对路径]
* @throws SftpException SftpException
* @throws IOException IOException
*/
public void downloadFile(String remotePathFile, String localPathFile) throws SftpException, IOException {
try (FileOutputStream os = new FileOutputStream(new File(localPathFile))) {
if (channel == null)
throw new IOException("sftp server not login");
channel.get(remotePathFile, os);
}
}
/**
* 下载文件
*
* @param remotePathFile 远程文件
* @throws SftpException SftpException
* @throws IOException IOException
*/
public String downloadFile(String remotePathFile) throws SftpException, IOException {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
if (channel == null)
throw new IOException("sftp server not login");
channel.get(remotePathFile, outputStream);
return new String(outputStream.toByteArray());
}
/**
* 下载文件
* @param remotePathFile 远程文件
* @param outputStream 输出流
* @throws SftpException
* @throws IOException
*/
public void downloadFile(String remotePathFile, OutputStream outputStream) throws SftpException, IOException {
if (channel == null)
throw new IOException("sftp server not login");
channel.get(remotePathFile, outputStream);
}
/**
* 上传文件
*
* @param remoteFile 远程文件
* @param localFile 本地文件[绝对路径]
* @throws SftpException
* @throws IOException
*/
public void uploadFile(String remoteFile, File localFile) throws SftpException, IOException {
try (FileInputStream in = new FileInputStream(localFile)) {
if (channel == null)
throw new IOException("sftp server not login");
channel.put(in, remoteFile);
}
}
/**
* 上传文件
*
* @param remoteFile 远程文件
* @throws SftpException
* @throws IOException
*/
public void uploadFile(String remoteFile, String content) throws SftpException, IOException {
ByteArrayInputStream inputStream = new ByteArrayInputStream(content.getBytes());
if (channel == null)
throw new IOException("sftp server not login");
channel.put(inputStream, remoteFile);
}
/**
* 上传文件
* @param remoteFile 远程文件
* @param inputStream 输入流
* @throws SftpException
* @throws IOException
*/
public void uploadFile(String remoteFile, InputStream inputStream) throws SftpException, IOException {
if (channel == null)
throw new IOException("sftp server not login");
channel.put(inputStream, remoteFile);
}
public void mkdir(String path) throws SftpException {
logger.info("Create Directory " + path);
String[] split = path.split("/");
StringBuilder stringBuilder = new StringBuilder();
for (String name : split) {
if (!"".equals(name)) {
stringBuilder.append("/").append(name);
if (!this.exists(stringBuilder.toString())) {
logger.info("Create Directory " + stringBuilder.toString());
channel.mkdir(stringBuilder.toString());
}
}
}
}
public boolean exists(String path) {
try {
channel.ls(path);
return true;
} catch (SftpException e) {
return false;
}
}
public String getHost() {
return session.getHost();
}
public String getUsername() {
return session.getUserName();
}
/**
* 获取某个文件大小
*/
public static long getFileSize(String ip, String name, String psWd, String file){
SftpUtils sftpUtils = new SftpUtils();
try {
sftpUtils.connectServer(ip,22,name,psWd);
Vector ls = sftpUtils.channel.ls(file);
ChannelSftp.LsEntry lsEntry = (ChannelSftp.LsEntry) ls.get(0);
return lsEntry.getAttrs().getSize();
} catch (Exception e){
// LogUtils.logError(logger, null, e, "获取主机文件大小异常--");
// throw new ErrorCodeException(ResultCodeEnum.SYS_GET_FILE_SIZE_ERROR);
throw new EmosException("获取主机文件大小异常");
} finally {
sftpUtils.close();
}
}
public static void main(String[] args) throws Exception {
SftpUtils sftpUtils = new SftpUtils();
sftpUtils.connectServer("10.10.152.203", 22, "11", "111111");
List<String> dirList = sftpUtils.getDirList("/home/file_repository");
System.out.println(dirList);
sftpUtils.close();
}
}
