Ftp Client-阿里云开发者社区

ftp_client_conf.properties

host=192.168.72.51
port=21
userName=hundsun
password=hundsun
controlChannelKeepAlive=300
fileRootDir=d:\\uploadfiles
developModel=true

PMSFTPClient.java

/**
*/
package com.hundsun.pms.support;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.SocketException;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.net.PrintCommandListener;
import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import com.hundsun.jres.interfaces.exception.biz.JRESBizRuntimeException;
import com.ibatis.common.resources.Resources;
/**
* 标题：PMSFtpClient.java
* 功能说明：
* 系统版本：v1.0
* 开发人员：zhoudy@hundsun.com
* 开发时间：2012-4-9
* 功能描述：FTP客户端
*/
public class PMSFTPClient {
private static final Log log = LogFactory.getLog(PMSFTPClient.class);
private static final String PATH = "/ftp_client_conf.properties";
private static final String HOST = "host";
private static final String PORT = "port";
private static final String USER_NAME = "userName";
private static final String PASSWORD = "password";
private static final String SEPARATOR = File.separator;
private static final String CONTROL_CHANNEL_KEEY_ALIVE = "controlChannelKeepAlive";
private static final String DEVELOP_MODEL = "developModel";
private static Properties clientConfig;
private FTPClient client;
public static void main(String[] args) throws Exception {
// String local = "c:\\script.txt";
// String remote = "\\uploadfiles\\template\\script.txt";
// InputStream in = new FileInputStream(local);
// PMSFTPClient ftpClient = new PMSFTPClient();
// ftpClient.upload(local, remote, in);
// ftpClient.download(remote, System.out);
// ftpClient.deleteFile(remote);
PMSFTPClient a = new PMSFTPClient();
String path = "/home/pms";
File f2 = new File("E:/pub/email/《梦幻西游》用户手册.doc");
OutputStream out = new FileOutputStream(f2);
String filename2 = f2.getName();
System.out.println(filename2);
// a.downFile("172.19.10.105", 21, "pms", "hundsun",
// "pub/email/《梦幻西游》用户手册.doc", out);
}
public PMSFTPClient() {
client = new FTPClient();
if (clientConfig == null)
clientConfig = new Properties();
// 初始化配置信息
initClientConfig();
if (clientConfig.getProperty(DEVELOP_MODEL).trim().equals("true")) {
// 设置将过程中使用到的命令输出到控制台
client.addProtocolCommandListener(new PrintCommandListener(
new PrintWriter(System.out)));
}
client.setControlKeepAliveTimeout(Long.parseLong(clientConfig
.getProperty(CONTROL_CHANNEL_KEEY_ALIVE).trim()));
// 连接FTP服务器
connect();
}
private String toIso8859(String s) {
try {
s = new String(s.getBytes("UTF-8"), "iso8859_1");
} catch (UnsupportedEncodingException e) {
throw new JRESBizRuntimeException("-1", e.getMessage());
}
return s;
}
/**
*
* upload:上传文件
*
* @param local
* 本地要上传的文件的绝对路径
* @param remote
* 服务器上文件存放的相对路径
* @param is
* 文件流
* @return
* @throws
* @since PMSFTPClient.java　Ver 1.0
*
* @author weinh 20111029 这里做一个说明注释了remote = toIso8859(remote);
* 把编码格式变为GBK，然后remoteFileName = new
* String(remoteFileName.getBytes("GBK"),"ISO-8859-1");
* 以上调整解决了上传中文名文件问题
*
*
*/
public boolean upload(String local, String remote, InputStream is) {
// remote = toIso8859(remote);
remote = remote.replaceAll("//", "/");
// 设置PassiveMode传输
client.enterLocalPassiveMode();
client.setControlEncoding("GBK");
// 设置以二进制流的方式传输
try {
client.setFileType(FTP.BINARY_FILE_TYPE);
// 对远程目录的处理
String remoteFileName = remote;
if (remote.contains(SEPARATOR)) {
int index = remote.lastIndexOf(SEPARATOR) + 1;
remoteFileName = remote.substring(index);
String directory = remote.substring(0, index);
if (!directory.equalsIgnoreCase(SEPARATOR)
&& !client.changeWorkingDirectory(directory)) {
// 如果远程目录不存在，则递归创建远程服务器目录
int start = 0;
int end = 0;
if (directory.startsWith(SEPARATOR)) {
start = 1;
} else {
start = 0;
}
end = directory.indexOf(SEPARATOR, start);
while (true) {
String subDirectory = remote.substring(start, end);
if (!client.changeWorkingDirectory(subDirectory)) {
if (client.makeDirectory(subDirectory)) {
client.changeWorkingDirectory(subDirectory);
} else {
log.error("创建目录失败");
return false;
}
}
start = end + 1;
end = directory.indexOf(SEPARATOR, start);
// 检查所有目录是否创建完毕
if (end <= start) {
break;
}
}
}
}
// 检查远程是否存在文件
FTPFile[] files = client.listFiles(remoteFileName);
if (files.length == 1) {
File f = new File(local);
if (files[0].getName().equals(f.getName())) {
// 删除服务器上文件，重新上传
boolean deleted = client.deleteFile(remote);
if (!deleted) {
log.error("无法删除已经上传过的同名文件！");
return false;
}
}
// 尝试移动文件内读取指针,实现断点续传
/*
* if (is.skip(remoteSize) == remoteSize) {
* client.setRestartOffset(remoteSize); if
* (client.storeFile(remote, is)) { log.info("断点续传成功！"); return
* true; } }
*/
}
remoteFileName = new String(remoteFileName.getBytes("GBK"),
"ISO-8859-1");
if (client.storeFile(remoteFileName, is)) {
log.info("上传成功！");
return true;
} else {
log.error("上传失败！");
return false;
}
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
} finally {
try {
is.close();
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
}
}
}
/**
*
* download:下载文件
*
* @param remote
* 文件相对路径
* @param out
* @return
* @throws
* @since PMSFTPClient.java　Ver 1.0
*/
public boolean download(String remote, OutputStream out) {
// remote = toIso8859(remote);
boolean result = true;
client.enterLocalPassiveMode();
client.setControlEncoding("GBK");
try {
client.setFileType(FTP.BINARY_FILE_TYPE);
remote = new String(remote.getBytes("GBK"), "ISO-8859-1");
result = client.retrieveFile(remote, out);
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
} finally {
try {
out.flush();
out.close();
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
}
}
return result;
}
public FTPFile[] getFiles(String remote, OutputStream out) {
remote = toIso8859(remote);
client.enterLocalPassiveMode();
client.setControlEncoding("UTF-8");
try {
client.setFileType(FTP.BINARY_FILE_TYPE);
return client.listFiles();
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
} finally {
try {
out.close();
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
}
}
}
/**
*
* deleteFile:删除文件
*
* @param remote
* 要删除的文件路径
* @return
* @throws
* @since PMSFTPClient.java　Ver 1.0
*/
public boolean deleteFile(String remote) {
try {
remote = toIso8859(remote);
boolean t = client.deleteFile(remote);
if (t) {
log.info(remote + " 删除成功！");
} else {
log.info(remote + " 删除失败");
}
return t;
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
}
}
private boolean connect() {
int port = 0;
try {
port = Integer.valueOf(clientConfig.getProperty(PORT).trim());
client.connect(clientConfig.getProperty(HOST).trim(), port);
if (FTPReply.isPositiveCompletion(client.getReplyCode())) {
boolean b = client.login(clientConfig.getProperty(USER_NAME)
.trim(), clientConfig.getProperty(PASSWORD).trim());
if (b) {
log.info("账户：" + clientConfig.getProperty(USER_NAME).trim()
+ " 成功连接到FTP服务器！");
return true;
}
return false;
}
disconnect();
return false;
} catch (NumberFormatException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", "端口" + port + "连接失败，原因是："
+ e.getMessage());
} catch (SocketException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", "与ftp 服务器通信失败，原因是："
+ e.getMessage());
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
}
}
private void disconnect() {
if (client.isConnected()) {
try {
client.disconnect();
} catch (IOException e) {
log.error(e.getMessage());
throw new JRESBizRuntimeException("-1", e.getMessage());
}
}
}
private void initClientConfig() {
InputStream in = null;
try {
in = Resources.getResourceAsStream(PATH);
clientConfig.load(in);
// in = new
// FileInputStream("D:\\workspace\\PMS\\src\\ftp_client_conf.properties");
} catch (IOException e1) {
log.error(e1.getMessage());
throw new JRESBizRuntimeException("-1",
"读取配置文件ftp_client_conf.properties失败，原因是：" + e1.getMessage());
}
}
/*
* public boolean downFile(String ip, int port, String username, String
* password, String fileName, OutputStream outputStream) { boolean success =
* false; FTPClient ftp = new FTPClient(); try { ftp.connect(ip, port); //
* 下面三行代码必须要，而且不能改变编码格式 ftp.setControlEncoding("GBK"); //
* 如果采用默认端口，可以使用ftp.connect(url) 的方式直接连接FTP服务器 ftp.login(username,
* password);// 登录 ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
* System.out.println("登陆成功。。。。"); download(ftp, fileName, outputStream); //
* System.out.println(fileName); // fileName = new
* String(fileName.getBytes("GBK"), "ISO-8859-1"); //
* ftp.retrieveFile(fileName, outputStream); //
* System.out.println(fileName); // outputStream.flush(); //
* outputStream.close(); ftp.logout(); success = true; } catch (IOException
* e) { e.printStackTrace(); } finally { if (ftp.isConnected()) { try {
* ftp.disconnect(); } catch (IOException ioe) { } } } return success; }
*/
}

本文转自danni505 51CTO博客，原文链接：http://blog.51cto.com/danni505/830446，如需转载请自行联系原作者

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