sftphostchooser.java

JAVA FTP客户端经典

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

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.net.*;

public class SftpHostChooser extends HFrame implements ActionListener, WindowListener
{
    public static HTextField host = new HTextField("Host:","localhost");
    public static HTextField user = new HTextField("Username:","guest");
    public static HPasswordField pass = new HPasswordField("Password:","nopasswd");

    private HPanel okP = new HPanel();
    private HButton ok = new HButton("Connect");

    private ComponentListener listener = null;

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

    public SftpHostChooser()
    {
    	init();
    }

    public void init()
    {
        setSize(500,180);
        setLocation(100,150);
        setTitle("Sftp Connection...");
        setBackground(okP.getBackground());
        getContentPane().setLayout(new GridLayout(3,2));

        getContentPane().add(host);
	getContentPane().add(new JLabel(""));
        getContentPane().add(user);
        getContentPane().add(pass);
	getContentPane().add(new JLabel(""));
	getContentPane().add(okP);

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

	setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);

	pass.text.addActionListener(this);

        setModal(false);
        setVisible(false);
	addWindowListener(this);
    }

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

    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource() == ok || e.getSource() == pass.text)
        {
	    // Switch windows
	    this.setVisible(false);
	    this.setModal(false);
	    JFtp.mainFrame.setVisible(true);
            JFtp.mainFrame.toFront();

	    SftpConnection con = null;

            String htmp = host.getText().trim();
            String utmp = user.getText().trim();
            String ptmp = pass.getText().trim();

	    try
	    {
	     con = new SftpConnection(htmp);
	    con.setLocalPath(JFtp.localDir.getCon().getPWD());
	    con.addConnectionListener((ConnectionListener) JFtp.localDir);
	    con.addConnectionListener((ConnectionListener) JFtp.remoteDir);

	    if(con.login(utmp,ptmp))
	    {
	    	if(con.chdir(con.getPWD()) || con.chdir("/"));
		JFtp.remoteDir.setCon(con);
	    }

	    }
	    catch(Exception ex)
	    {
	    	Log.debug("Could not create SftpConnection, does this distribution come with jcifs?");
            }

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

    public void windowClosing(WindowEvent e)
    {
        //System.exit(0);
	this.dispose();
    }

    public void windowClosed(WindowEvent e)
    {}

    public void windowActivated(WindowEvent e)
    {}

    public void windowDeactivated(WindowEvent e)
    {}

    public void windowIconified(WindowEvent e)
    {}

    public void windowDeiconified(WindowEvent e)
    {}

    public void windowOpened(WindowEvent e)
    {}


    public Insets getInsets()
    {
        Insets std = super.getInsets();
        return new Insets(std.top + 15, std.left + 15, std.bottom + 15, std. right + 15);
    }

    public void pause(int time)
    {
    	try { Thread.sleep(time); }
	catch(Exception ex) {}
    }

}