package com.cloudpower.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import sun.net.TelnetInputStream;
import sun.net.TelnetOutputStream;
import sun.net.ftp.FtpClient;

/**
 * Java自帶的API對(duì)FTP的操作
 * @Title:Ftp.java
 * @author: 周玲斌 
 */
public class Ftp {
 /**
 * 本地文件名
 */
 private String localfilename;
 /**
 * 遠(yuǎn)程文件名
 */
 private String remotefilename;
 /**
 * FTP客戶端
 */
 private FtpClient ftpClient;

 /**
 * 服務(wù)器連接
 * @param ip 服務(wù)器IP
 * @param port 服務(wù)器端口
 * @param user 用戶名
 * @param password 密碼
 * @param path 服務(wù)器路徑
 * @author 周玲斌
 * @date 2012-7-11
 */
 public void connectServer(String ip, int port, String user,
 String password, String path) {
 try {
 /* ******連接服務(wù)器的兩種方法*******/
 //第一種方法
// ftpClient = new FtpClient();
// ftpClient.openServer(ip, port);
 //第二種方法
 ftpClient = new FtpClient(ip);
 
 ftpClient.login(user, password);
 // 設(shè)置成2進(jìn)制傳輸
 ftpClient.binary();
 System.out.println("login success!");
 if (path.length() != 0){
 //把遠(yuǎn)程系統(tǒng)上的目錄切換到參數(shù)path所指定的目錄
 ftpClient.cd(path);
 }
 ftpClient.binary();
 } catch (IOException ex) {
 ex.printStackTrace();
 throw new RuntimeException(ex);
 }
 }
 /**
 * 關(guān)閉連接
 * @author 周玲斌
 * @date 2012-7-11
 */
 public void closeConnect() {
 try {
 ftpClient.closeServer();
 System.out.println("disconnect success");
 } catch (IOException ex) {
 System.out.println("not disconnect");
 ex.printStackTrace();
 throw new RuntimeException(ex);
 }
 }
 /**
 * 上傳文件
 * @param localFile 本地文件
 * @param remoteFile 遠(yuǎn)程文件
 * @author 周玲斌
 * @date 2012-7-11
 */
 public void upload(String localFile, String remoteFile) {
 this.localfilename = localFile;
 this.remotefilename = remoteFile;
 TelnetOutputStream os = null;
 FileInputStream is = null;
 try {
 //將遠(yuǎn)程文件加入輸出流中
 os = ftpClient.put(this.remotefilename);
 //獲取本地文件的輸入流
 File file_in = new File(this.localfilename);
 is = new FileInputStream(file_in);
 //創(chuàng)建一個(gè)緩沖區(qū)
 byte[] bytes = new byte[1024];
 int c;
 while ((c = is.read(bytes)) != -1) {
 os.write(bytes, 0, c);
 }
 System.out.println("upload success");
 } catch (IOException ex) {
 System.out.println("not upload");
 ex.printStackTrace();
 throw new RuntimeException(ex);
 } finally{
 try {
 if(is != null){
  is.close();
 }
 } catch (IOException e) {
 e.printStackTrace();
 } finally {
 try {
  if(os != null){
  os.close();
  }
 } catch (IOException e) {
  e.printStackTrace();
 }
 }
 }
 }
 
 /**
 * 下載文件
 * @param remoteFile 遠(yuǎn)程文件路徑(服務(wù)器端)
 * @param localFile 本地文件路徑(客戶端)
 * @author 周玲斌
 * @date 2012-7-11
 */
 public void download(String remoteFile, String localFile) {
 TelnetInputStream is = null;
 FileOutputStream os = null;
 try {
 //獲取遠(yuǎn)程機(jī)器上的文件filename，借助TelnetInputStream把該文件傳送到本地。
 is = ftpClient.get(remoteFile);
 File file_in = new File(localFile);
 os = new FileOutputStream(file_in);
 byte[] bytes = new byte[1024];
 int c;
 while ((c = is.read(bytes)) != -1) {
 os.write(bytes, 0, c);
 }
 System.out.println("download success");
 } catch (IOException ex) {
 System.out.println("not download");
 ex.printStackTrace();
 throw new RuntimeException(ex);
 } finally{
 try {
 if(is != null){
  is.close();
 }
 } catch (IOException e) {
 e.printStackTrace();
 } finally {
 try {
  if(os != null){
  os.close();
  }
 } catch (IOException e) {
  e.printStackTrace();
 }
 }
 }
 }

 public static void main(String agrs[]) {

 String filepath[] = { "/temp/aa.txt", "/temp/regist.log"};
 String localfilepath[] = { "C:\\tmp\\1.txt","C:\\tmp\\2.log"};

 Ftp fu = new Ftp();
 /*
 * 使用默認(rèn)的端口號(hào)、用戶名、密碼以及根目錄連接FTP服務(wù)器
 */
 fu.connectServer("127.0.0.1", 22, "anonymous", "IEUser@", "/temp");
 
 //下載
 for (int i = 0; i < filepath.length; i++) {
 fu.download(filepath[i], localfilepath[i]);
 }
 
 String localfile = "E:\\號(hào)碼.txt";
 String remotefile = "/temp/哈哈.txt";
 //上傳
 fu.upload(localfile, remotefile);
 fu.closeConnect();
 }
}

public class FtpApche {
 private static FTPClient ftpClient = new FTPClient();
 private static String encoding = System.getProperty("file.encoding");
 /**
 * Description: 向FTP服務(wù)器上傳文件
 * 
 * @Version1.0
 * @param url
 * FTP服務(wù)器hostname
 * @param port
 * FTP服務(wù)器端口
 * @param username
 * FTP登錄賬號(hào)
 * @param password
 * FTP登錄密碼
 * @param path
 * FTP服務(wù)器保存目錄,如果是根目錄則為“/”
 * @param filename
 * 上傳到FTP服務(wù)器上的文件名
 * @param input
 * 本地文件輸入流
 * @return 成功返回true，否則返回false
 */
 public static boolean uploadFile(String url, int port, String username,
 String password, String path, String filename, InputStream input) {
 boolean result = false;

 try {
 int reply;
 // 如果采用默認(rèn)端口，可以使用ftp.connect(url)的方式直接連接FTP服務(wù)器
 ftpClient.connect(url);
 // ftp.connect(url, port);// 連接FTP服務(wù)器
 // 登錄
 ftpClient.login(username, password);
 ftpClient.setControlEncoding(encoding);
 // 檢驗(yàn)是否連接成功
 reply = ftpClient.getReplyCode();
 if (!FTPReply.isPositiveCompletion(reply)) {
 System.out.println("連接失敗");
 ftpClient.disconnect();
 return result;
 }

 // 轉(zhuǎn)移工作目錄至指定目錄下
 boolean change = ftpClient.changeWorkingDirectory(path);
 ftpClient.setFileType(FTP.BINARY_FILE_TYPE);
 if (change) {
 result = ftpClient.storeFile(new String(filename.getBytes(encoding),"iso-8859-1"), input);
 if (result) {
  System.out.println("上傳成功!");
 }
 }
 input.close();
 ftpClient.logout();
 } catch (IOException e) {
 e.printStackTrace();
 } finally {
 if (ftpClient.isConnected()) {
 try {
  ftpClient.disconnect();
 } catch (IOException ioe) {
 }
 }
 }
 return result;
 }

 /**
 * 將本地文件上傳到FTP服務(wù)器上
 * 
 */
 public void testUpLoadFromDisk() {
 try {
 FileInputStream in = new FileInputStream(new File("E:/號(hào)碼.txt"));
 boolean flag = uploadFile("127.0.0.1", 21, "zlb","123", "/", "哈哈.txt", in);
 System.out.println(flag);
 } catch (FileNotFoundException e) {
 e.printStackTrace();
 }
 }


 /**
 * Description: 從FTP服務(wù)器下載文件
 * 
 * @Version1.0
 * @param url
 * FTP服務(wù)器hostname
 * @param port
 * FTP服務(wù)器端口
 * @param username
 * FTP登錄賬號(hào)
 * @param password
 * FTP登錄密碼
 * @param remotePath
 * FTP服務(wù)器上的相對(duì)路徑
 * @param fileName
 * 要下載的文件名
 * @param localPath
 * 下載后保存到本地的路徑
 * @return
 */
 public static boolean downFile(String url, int port, String username,
 String password, String remotePath, String fileName,
 String localPath) {
 boolean result = false;
 try {
 int reply;
 ftpClient.setControlEncoding(encoding);
 
 /*
 * 為了上傳和下載中文文件，有些地方建議使用以下兩句代替
 * new String(remotePath.getBytes(encoding),"iso-8859-1")轉(zhuǎn)碼。
 * 經(jīng)過(guò)測(cè)試，通不過(guò)。
 */
// FTPClientConfig conf = new FTPClientConfig(FTPClientConfig.SYST_NT);
// conf.setServerLanguageCode("zh");

 ftpClient.connect(url, port);
 // 如果采用默認(rèn)端口，可以使用ftp.connect(url)的方式直接連接FTP服務(wù)器
 ftpClient.login(username, password);// 登錄
 // 設(shè)置文件傳輸類型為二進(jìn)制
 ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
 // 獲取ftp登錄應(yīng)答代碼
 reply = ftpClient.getReplyCode();
 // 驗(yàn)證是否登陸成功
 if (!FTPReply.isPositiveCompletion(reply)) {
 ftpClient.disconnect();
 System.err.println("FTP server refused connection.");
 return result;
 }
 // 轉(zhuǎn)移到FTP服務(wù)器目錄至指定的目錄下
 ftpClient.changeWorkingDirectory(new String(remotePath.getBytes(encoding),"iso-8859-1"));
 // 獲取文件列表
 FTPFile[] fs = ftpClient.listFiles();
 for (FTPFile ff : fs) {
 if (ff.getName().equals(fileName)) {
  File localFile = new File(localPath + "/" + ff.getName());
  OutputStream is = new FileOutputStream(localFile);
  ftpClient.retrieveFile(ff.getName(), is);
  is.close();
 }
 }

 ftpClient.logout();
 result = true;
 } catch (IOException e) {
 e.printStackTrace();
 } finally {
 if (ftpClient.isConnected()) {
 try {
  ftpClient.disconnect();
 } catch (IOException ioe) {
 }
 }
 }
 return result;
 }

 /**
 * 將FTP服務(wù)器上文件下載到本地
 * 
 */
 public void testDownFile() {
 try {
 boolean flag = downFile("127.0.0.1", 21, "zlb",
  "123", "/", "哈哈.txt", "D:/");
 System.out.println(flag);
 } catch (Exception e) {
 e.printStackTrace();
 }
 }
 
 public static void main(String[] args) {
 FtpApche fa = new FtpApche();
 fa.testDownFile();
 }
}