EdtFtp 源码

 

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.StringTokenizer;

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

public class ftp  ...{

    FtpClient aftp;

    DataOutputStream outputs;

    TelnetInputStream ins;

    TelnetOutputStream outs;

    int ch;

    public String a;

    String hostname = "";

    private String path = "/";

    public static void main(String[] args) ...{
        String hostname = "133.133.133.34";
        int port = 21;
        String uid = "olympic";
        String pwd = "olympic";
        String RWFileDir = "D:\temp\files";// 文件目录

        // 连接ftp服务器
        ftp ft = new ftp();
        ft.connect(RWFileDir, hostname, port, uid, pwd);

        // 下载文件
        if (ft.aftp != null) ...{
            try ...{
                ft.getNameList(RWFileDir);
            } catch (IOException e) ...{
                System.out.println("下载文件出错：" + e);
            }
        }

        // 断开服务器连接
        ft.stop(RWFileDir);

    }

    public FtpClient connect(String RWFileDir, String hostname, int port,
            String uid, String pwd) ...{
        this.hostname = hostname;
        System.out.println("正在连接" + hostname + "，请等待.....");
        try ...{
            aftp = new FtpClient(hostname, port);
            aftp.login(uid, pwd);
            aftp.binary();
            // aftp.openPortDataConnection();
            a = "连接主机:" + hostname + "成功!";
            System.out.println(a);
        } catch (FtpLoginException e) ...{
            a = "登陆主机:" + hostname + "失败!请检查用户名或密码是否正确：" + e;
            System.out.println(a);
            // return false;
        } catch (IOException e) ...{
            a = "连接主机:" + hostname + "失败!请检查端口是否正确：" + e;
            System.out.println(a);
            // return false;
        } catch (SecurityException e) ...{
            a = "无权限与主机:" + hostname + "连接!请检查是否有访问权限：" + e;
            System.out.println(a);
            // return false;
        }

        log(RWFileDir, a);
        return aftp;
    }

    public void stop(String RWFileDir) ...{
        String message = "";
        try ...{
            if (aftp != null) ...{
                aftp.closeServer();
                message = "与主机" + hostname + "连接已断开!";
                System.out.println(message);
                log(RWFileDir, message);
            }
        } catch (IOException e) ...{
            message = "与主机" + hostname + "断开连接失败!" + e;
            System.out.println(message);
            log(RWFileDir, message);
        }
    }

    public boolean downloadFile(String RWFileDir, String filepathname) ...{
        boolean result = true;
        String message = "";
        if (aftp != null) ...{
            System.out.println("正在下载文件" + filepathname + ",请等待....");
            String badfile = filepathname.substring(filepathname.length() - 4,
                    filepathname.length());
            String badlog = filepathname.substring(filepathname.length() - 7,
                    filepathname.length());
            String baddir = "";
            if ((badfile.compareTo(".bad") != 0)
                    && (badlog.compareTo(".badlog") != 0)) ...{
                baddir = "subunsubtosp\";
            } else ...{
                baddir = "bad\";
            }
            String strdir = "subunsubtosp\";
            // System.out.println(RWFileDir + baddir + filepathname);
            try ...{
                // FtpClient fc=new FtpClient("192.168.0.56",2121);
                // fc.login("lee","lee");
                int ch;
                File fi = new File(RWFileDir + baddir + filepathname);
                // aftp.cd(strdir);
                RandomAccessFile getFile = new RandomAccessFile(fi, "rw");
                getFile.seek(0);
                TelnetInputStream fget = aftp.get(strdir + filepathname);
                DataInputStream puts = new DataInputStream(fget);
                while ((ch = puts.read()) >= 0) ...{
                    getFile.write(ch);

                }
                // s.delete();

                fget.close();
                getFile.close();
                // fc.closeServer();

                message = "下载" + filepathname + "文件到" + bad