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import sun.net.*;
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import sun.net.ftp.*;
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import java.io.*;
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import java.util.*;
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public class FtpUtils {
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private FtpClient ftpclient;
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private String ipAddress;
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private int port;
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private String username;
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public FtpUtils(String ip, int port, String username, String password) throws
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Exception {
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this.ipAddress = ip;
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this.port = port;
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this.ftpclient = new FtpClient(ipAddress, port);
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this.username = username;
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this.password = password;
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}
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public FtpUtils(String ip, String username, String password) throws
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Exception {
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this(ip,21,username,password);
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}
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public void login() throws Exception {
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ftpclient.login(username, password);
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}
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public void logout() throws Exception {
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ftpclient.sendServer("QUIT\r\n");
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int reply = ftpclient.readServerResponse();
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}
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public ArrayList fileNames(String fullPath) throws Exception {
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ftpclient.ascii();
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TelnetInputStream list = ftpclient.nameList(fullPath);
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byte[] names = new byte[2048];
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int bufsize = 0;
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bufsize = list.read(names, 0, names.length);
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list.close();
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ArrayList namesList = new ArrayList();
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int i = 0;
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int j = 0;
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while (i < bufsize ) {
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if (names[i] == 10) {
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String tempName = new String(names, j, i - j);
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namesList.add(tempName);
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j = i + 1;
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}
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i = i + 1;
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}
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return namesList;
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}
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public void buildRemoteDir(String pathList) throws Exception {
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ftpclient.ascii();
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StringTokenizer s = new StringTokenizer(pathList, "/");
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int count = s.countTokens();
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String pathName = "";
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while (s.hasMoreElements()) {
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pathName = pathName + "/" + (String) s.nextElement();
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try {
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ftpclient.sendServer("XMKD " + pathName + "\r\n");
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} catch (Exception e) {
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e = null;
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}
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int reply = ftpclient.readServerResponse();
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}
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ftpclient.binary();
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}
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public void upFile(String local, String remote) throws Exception {
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buildRemoteDir(remote.substring(0, remote.lastIndexOf("/")));
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ftpclient.binary();
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TelnetOutputStream ftpOut = ftpclient.put(remote);
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InputStream in = new FileInputStream(local);
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byte[] buf = new byte[204800];
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int bufsize = 0;
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while((bufsize = in.read(buf, 0, buf.length)) != -1){
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ftpOut.write(buf, 0, bufsize);
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}
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in.close();
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ftpOut.close();
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}
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public void buildLocalDir(String fullPath) throws Exception {
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if(fullPath.lastIndexOf("/")<=0)return;
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String path=fullPath.substring(0,fullPath.lastIndexOf("/"));
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File f= new File(path);
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if(!f.exists()){
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f.mkdirs();
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}
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}
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public void downFile(String remote,String local) throws Exception {
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buildLocalDir(local);
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ftpclient.binary();
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OutputStream out=new FileOutputStream(new File(local));
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TelnetInputStream ftpIn = ftpclient.get(remote);
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byte[] buff=new byte[204800];
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int len=0;
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while((len=ftpIn.read(buff))!=-1){
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out.write(buff,0,len);
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}
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out.close();
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ftpIn.close();
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}
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public static void main(String args[])throws Exception{
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FtpUtils upfile=new FtpUtils("192.168.187.130","root","1-1=0");
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upfile.login();
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List list=upfile.fileNames("/");
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System.out.println(list);
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upfile.upFile("FtpUtils.java","/root/xjs/test/FtpUtils.java" );
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upfile.downFile("/root/xjs/2.txt","xjs/2.txt" );
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upfile.logout();
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}
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}
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