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

            if(JFtp.localDir instanceof FilesystemConnection)
            {
                if(!JFtp.localDir.setPath(ltmp))
                {
                    if(!JFtp.localDir.setPath(System.getProperty("user.home")))
                    {
                        JFtp.localDir.setPath("/");
                    }
                }
            }

            int response = StartConnection.startFtpCon(htmp, utmp, ptmp,
                                                       Integer.parseInt(potmp),
                                                       dtmp, useLocal);

            /*

            con = new FtpConnection(htmp,
                                    Integer.parseInt(potmp), dtmp);


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

            if (useLocal)
                   JFtp.statusP.jftp.addLocalConnection(
                           htmp, con);
            else
                   JFtp.statusP.jftp.addConnection(htmp, con);

            int response = con.login(utmp, ptmp);

            */
            //*** START OF STUFF TO PUT INTO SEPARATE METHOD
            /*
            if (response!=FtpConnection.LOGIN_OK)
                    tryFtpAgain(response, htmp, ptmp, utmp, potmp,
                        dtmp, useLocal);

            */
            //*** END OF STUFF TO PUT INTO  SEPARATE METHOD
            //else
            //{
            setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
            this.dispose();

            //this.setVisible(false);
            JFtp.mainFrame.setVisible(true);
            JFtp.mainFrame.toFront();

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

            //}
        }
        else if(e.getSource() == list)
        {
            HostList hl = new HostList(this);
            FtpHost selectedHost = hl.getFtpHost();

            if(selectedHost == null)
            {
                return;
            }

            host.setText(selectedHost.hostname);
            pass.setText(selectedHost.password);
            user.setText(selectedHost.username);
            port.setText(selectedHost.port);

            Settings.setProperty("jftp.useDefaultDir", true);
            dirBox.setSelected(Settings.getUseDefaultDir());
            lcwd.setEnabled(!dirBox.isSelected());
            cwd.setEnabled(!dirBox.isSelected());
        }
        else if(e.getSource() == dirBox)
        {
            if(!dirBox.isSelected())
            {
                lcwd.setEnabled(true);
                cwd.setEnabled(true);
            }
            else
            {
                lcwd.setEnabled(false);
                cwd.setEnabled(false);
            }
        }
        else if(e.getSource() == anonBox)
        {
            if(!anonBox.isSelected())
            {
                user.setEnabled(true);
                pass.text.setEnabled(true);
            }
            else
            {
                user.setText("anonymous");
                pass.setText("[e-mail]");
                user.setEnabled(false);
                pass.text.setEnabled(false);
            }
        }
        else if(e.getSource() == threadBox)
        {
            if(threadBox.isSelected())
            {
                dl.setEnabled(true);
            }
            else
            {
                dl.setEnabled(false);
            }
        }
        else if(e.getSource() == backMode)
        {
            mode = 1;
            h.setVisible(false);
            ;
        }
        else if(e.getSource() == frontMode)
        {
            mode = 2;
            h.setVisible(false);
        }
    }

    /*
    private void setFilesystemConnection()
    {
    FilesystemConnection c = new FilesystemConnection();
    c.addConnectionListener(((ConnectionListener)JFtp.remoteDir));
    if(!c.chdir("/")) c.chdir("C:\\");
    JFtp.remoteDir.setCon(c);
    }
    */
    private void prepareBackgroundMessage()
    {
        HPanel p = new HPanel();
        p.add(backMode);
        p.add(frontMode);
        p.setLayout(new FlowLayout(FlowLayout.CENTER));

        backMode.addActionListener(this);
        frontMode.addActionListener(this);

        h.getContentPane().setLayout(new BorderLayout(10, 10));
        h.setTitle("Connection failed!");
        h.setLocation(150, 200);

        JTextArea text = new JTextArea();
        h.getContentPane().add("Center", text);
        h.getContentPane().add("South", p);
        text.setText(" ---------------- Output -----------------\n\n" +
                     "The server is busy at the moment.\n\n" +
                     "Do you want JFtp to go to disappear and try to login\n" +
                     "continuously?\n\n" +
                     "(It will show up again when it has initiated a connection)\n\n");
        JFtp.log.setText("");
        text.setEditable(false);
        h.pack();
    }

    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)
        {
        }
    }

    private void tryFtpAgain(int response, String htmp, String ptmp,
                             String utmp, String potmp, String dtmp,
                             boolean useLocal)
    {
        //*** FOR TESTING PURPOSES
        //System.out.println(htmp + " " + ptmp + " " + utmp);
        //System.out.println(potmp + " " + dtmp);
        //***
        if((response == FtpConnection.OFFLINE) && Settings.reconnect)
        {
            //FtpConnection con;
            setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

            h.setVisible(true);

            while(mode == 0)
            {
                pause(10);
            }

            JFtp.mainFrame.setVisible(false);

            while((response == FtpConnection.OFFLINE) && (mode == 1))
            {
                System.out.print("Server is full, next attempt in ");

                int r = 5;

                for(int i = 0; i < r; r--)
                {
                    System.out.print("" + r + "-");

                    try
                    {
                        Thread.sleep(1000);
                    }
                    catch(Exception ex)
                    {
                    }
                }

                System.out.println("0...");

                /* con = new
                        FtpConnection(
                                htmp,
                                Integer.parseInt(potmp),
                                dtmp);

                */
                //response = con.login(utmp, ptmp);
                response = StartConnection.startFtpCon(htmp, utmp, ptmp,
                                                       Integer.parseInt(potmp),
                                                       dtmp, useLocal);
            }

            if(mode == 1)
            {
                JFtp.mainFrame.setVisible(true);
            }
            else
            {
                // Switch windows
                JFtp.mainFrame.setVisible(false);
                this.setVisible(true);
                this.toFront();

                return;
            }
        }
        else if((response != FtpConnection.LOGIN_OK) ||
                    ((response == FtpConnection.OFFLINE) &&
                    (!Settings.reconnect)))
        {
            setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

            //setFilesystemConnection();
            if(useLocal)
            {
                JFtp.statusP.jftp.closeCurrentLocalTab();
            }
            else
            {
                JFtp.statusP.jftp.closeCurrentTab();
            }

            //this.setVisible(true);
            //this.toFront();
            return;
        }
    }

    //*** tryFtpAgain
}