hostchooser.java

一个JAVA做的FTP软件,带源码的,可以很好的进行二次开发,,并带有详细说明文件的

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package net.sf.jftp.gui;

import net.sf.jftp.*;
import net.sf.jftp.config.*;
import net.sf.jftp.gui.framework.*;
import net.sf.jftp.net.*;
import net.sf.jftp.util.*;

import java.awt.*;
import java.awt.event.*;

import java.io.*;

import javax.swing.*;


public class HostChooser extends HFrame implements ActionListener,
                                                   WindowListener
{
    public HTextField host = new HTextField("Hostname:", "localhost");
    public HTextField user = new HTextField("Username:", "anonymous");

    //public static HTextField pass = new HTextField("Password:","[e-mail]");
    public HPasswordField pass = new HPasswordField("Password:",
                                                    "[e-mail]");
    public HTextField port = new HTextField("Port:    ", "21");
    public HTextField cwd = new HTextField("Remote:  ", Settings.defaultDir);
    public HTextField lcwd = new HTextField("Local:   ", Settings.defaultWorkDir);
    public HTextField dl = new HTextField("Max. connections:    ", "3");
    private JCheckBox anonBox = new JCheckBox("Use anonymous login", false);
    private JCheckBox listBox = new JCheckBox("LIST compatibility mode", false);
    private JCheckBox dirBox = new JCheckBox("Use default directories",
                                             Settings.getUseDefaultDir());
    private JCheckBox modeBox = new JCheckBox("Use active Ftp (no need to)",
                                              false);
    private JCheckBox threadBox = new JCheckBox("Multiple connections", false);
    private HPanel okP = new HPanel();
    private HButton ok = new HButton("Connect");
    private HButton backMode = new HButton("Yes");
    private HButton frontMode = new HButton("No");
    private HFrame h = new HFrame();
    private HPanel listP = new HPanel();
    private HButton list = new HButton("Choose from or edit list...");
    private ComponentListener listener = null;
    private int mode = 0;
    private boolean useLocal = false;

    public HostChooser(ComponentListener l, boolean local)
    {
        listener = l;
        useLocal = local;
        init();
    }

    public HostChooser(ComponentListener l)
    {
        listener = l;
        init();
    }

    public HostChooser()
    {
        init();
    }

    public void init()
    {
        setSize(600, 340);
        setLocation(50, 150);
        setTitle("Ftp Connection...");
        setBackground(okP.getBackground());
        getContentPane().setLayout(new GridLayout(7, 2));

        anonBox.setSelected(false);
        user.setEnabled(true);
        pass.text.setEnabled(true);

        LoadSet l = new LoadSet();
        String[] login = l.loadSet(Settings.login_def);

        if((login != null) && (login[0] != null))
        {
            host.setText(login[0]);
            user.setText(login[1]);

            if(login[3] != null)
            {
                port.setText(login[3]);
            }

            if(login[4] != null)
            {
                cwd.setText(login[4]);
            }

            if(login[5] != null)
            {
                lcwd.setText(login[5]);
            }
        }

        if(Settings.getStorePasswords())
        {
            if(login != null)
            {
                pass.setText(login[2]);
            }
        }
        else
        {
            pass.setText("");
        }

        getContentPane().add(host);
        getContentPane().add(port);
        getContentPane().add(anonBox);
        getContentPane().add(listBox);
        getContentPane().add(user);
        getContentPane().add(pass);
        getContentPane().add(dirBox);
        getContentPane().add(modeBox);
        getContentPane().add(lcwd);
        getContentPane().add(cwd);
        getContentPane().add(threadBox);
        getContentPane().add(dl);

        modeBox.setSelected(!Settings.getFtpPasvMode());
        threadBox.setSelected(Settings.getEnableMultiThreading());
        dirBox.setSelected(Settings.getUseDefaultDir());
        anonBox.addActionListener(this);
        threadBox.addActionListener(this);

        getContentPane().add(okP);
        okP.add(ok);
        ok.addActionListener(this);

        getContentPane().add(listP);
        listP.add(list);
        list.addActionListener(this);

        dirBox.addActionListener(this);
        setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);

        lcwd.setEnabled(!dirBox.isSelected());
        cwd.setEnabled(!dirBox.isSelected());
        pass.text.addActionListener(this);

        setModal(false);
        setVisible(false);
        invalidate();
        validate();
        addWindowListener(this);
        prepareBackgroundMessage();
    }

    public void update()
    {
        setVisible(true);
        toFront();
        host.requestFocus();
    }

    public void update(String url)
    {
        try
        {
            FtpURLConnection uc = new FtpURLConnection(new java.net.URL(url));
            FtpConnection con = uc.getFtpConnection();

            JFtp.statusP.jftp.addConnection(url, con);

            //con.addConnectionListener((ConnectionListener) JFtp.localDir);
            //con.addConnectionListener((ConnectionListener) JFtp.remoteDir);
            //JFtp.remoteDir.setCon(con);
            uc.connect();

            int response = uc.getLoginResponse();

            if(response != FtpConnection.LOGIN_OK)
            {
                setTitle("Wrong password!");
                host.setText(uc.getHost());
                port.setText(Integer.toString(uc.getPort()));
                user.setText(uc.getUser());
                pass.setText(uc.getPass());
                setVisible(true);
                toFront();
                host.requestFocus();
            }
            else
            {
                this.dispose();

                if(listener != null)
                {
                    listener.componentResized(new ComponentEvent(this, 0));
                }

                JFtp.mainFrame.setVisible(true);
                JFtp.mainFrame.toFront();
            }
        }

        //catch(MalformedURLException ex)
        //{
        //	Log.debug("Malformed URL!");
        //	ex.printStackTrace();
        //}
        catch(IOException ex)
        {
            Log.debug("Error!");
            ex.printStackTrace();
        }
    }

    public void actionPerformed(ActionEvent e)
    {
        if((e.getSource() == ok) || (e.getSource() == pass.text))
        {
            // Switch windows
            //this.setVisible(false);
            setCursor(new Cursor(Cursor.WAIT_CURSOR));

            //JFtp.mainFrame.setVisible(true);
            //JFtp.mainFrame.toFront();
            FtpConnection con = null;
            JFtp.setHost(host.getText());

            String htmp = StringUtils.cut(host.getText(), " ");
            String utmp = StringUtils.cut(user.getText(), " ");
            String ptmp = StringUtils.cut(pass.getText(), " ");
            String potmp = StringUtils.cut(port.getText(), " ");

            Settings.setProperty("jftp.ftpPasvMode", !modeBox.isSelected());
            Settings.setProperty("jftp.enableMultiThreading",
                                 threadBox.isSelected());
            Settings.setProperty("jftp.useDefaultDir", dirBox.isSelected());

            if(listBox.isSelected())
            {
                FtpConnection.LIST = "LIST";
            }
            else
            {
                FtpConnection.LIST = "LIST -laL";
            }

            /* All the information of the current server are stored in JFtp.HostInfo */
            JFtp.hostinfo.hostname = htmp;
            JFtp.hostinfo.username = utmp;
            JFtp.hostinfo.password = ptmp;
            JFtp.hostinfo.port = potmp;
            JFtp.hostinfo.type = "ftp";

            boolean pasv = Settings.getFtpPasvMode();
            boolean threads = Settings.getEnableMultiThreading();

            if(!pasv && threads) // only passive ftp threading works
            {
                Settings.setProperty("jftp.enableMultiThreading", false);

                JDialog j = new JDialog();
                j.setTitle("Warning");
                j.setLocation(150, 150);
                j.setSize(450, 100);
                j.getContentPane().add(new JLabel(" Multithreading does not work with active ftp yet, disabled it..."));
                j.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
                j.setModal(true);
                j.show();
            }

            int x = Integer.parseInt(dl.getText().trim());
            Settings.maxConnections = x;

            Settings.save();

            //*** My modifications are below here
            String dtmp;
            String ltmp;

            if(dirBox.isSelected())
            {
                dtmp = Settings.defaultDir;
                ltmp = Settings.defaultWorkDir;
            }
            else
            {
                dtmp = cwd.getText();
                ltmp = lcwd.getText();
            }

            //*** More of my stuff
            SaveSet s = new SaveSet(Settings.login_def, htmp, utmp, ptmp,
                                    potmp, dtmp, ltmp);