displayer.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.*;
import net.sf.jftp.util.*;

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

public class Displayer extends HFrame implements ActionListener
{

    private JTextArea info = new JTextArea(25, 50);
    private JButton close = new JButton("Close");

    public Displayer(java.net.URL file)
    {
        setTitle("Info...");
        setLocation(50,50);
        setSize(600,540);
        getContentPane().setLayout(new BorderLayout());

        addWindowListener(new WindowAdapter()
                          {
                              public void windowClosing(WindowEvent e)
                              {
                                  dispose();
                              }
                          }
                         );
        load(file);
        info.setEditable(false);

        JScrollPane jsp = new JScrollPane(info);
        getContentPane().add("Center",jsp);
	HPanel closeP = new HPanel();
	closeP.setLayout(new FlowLayout(FlowLayout.CENTER));
	closeP.add(close);

	close.addActionListener(this);

	getContentPane().add("South", closeP);

	info.setCaretPosition(0);
        setVisible(true);
        pack();

    }

    public void actionPerformed(ActionEvent e)
    {
    	if(e.getSource() == close) this.dispose();
    }

    private void load(java.net.URL file)
    {
        String data = "";
        String now = "";

        try
        {
            DataInput in = new DataInputStream(new BufferedInputStream(file.openStream()));

            while( (data = in.readLine()) != null)
            {
                now = now + data + "\n";
            }
        }
        catch (IOException e)
        {
            Log.debug(e+" @Displayer.load()");
        }

        info.setText(now);
    }

    public Insets getInsets()
    {
        Insets std = super.getInsets();
        return new Insets(std.top + 5, std.left + 5, std.bottom + 5, std. right + 5);
    }
}