jftpswingtest.java

jftp-src-test.zip jftp-src-test.zip

import cz.dhl.io.*;
import cz.dhl.ftp.*;
import cz.dhl.swing.*;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.*;
import java.io.IOException;
import javax.swing.*;

public class JFtpSwingTest extends JFrame
{
   /* ftp client */
   Ftp cl = new Ftp();
   /* dir swing component */
   private JCoDirComboBox dirChoice = new JCoDirComboBox();
   /* file swing component */
   private JCoFileTable fileList = new JCoFileTable();

   JFtpSwingTest()
   {  
      /* Structure */
      JPanel toppanel = new JPanel(new BorderLayout());
      getContentPane().add("North",toppanel);
	 toppanel.add("West",new JLabel("Look in: "));
	 toppanel.add("Center", dirChoice);

      JScrollPane scroll = new JScrollPane(fileList);
      scroll.setPreferredSize(new Dimension(300,300));
      getContentPane().add("Center",scroll);

      /* dir change listener */
      dirChoice.setDirActionListener(new ActionListener()
      {  public void actionPerformed(ActionEvent e)
         {  update(dirChoice.getSelectedDir()); } } ); 

      /* file selection listener */
      fileList.addMouseListener(new MouseAdapter() 
      {  public void mouseClicked(MouseEvent e) 
         {  CoFile dir=fileList.getSelectedFile();
	    if(e.getClickCount()>1 && dir!=null) 
               update(dir); } } );

      /* frame exit listener */
      addWindowListener(new WindowAdapter() 
      {  public void windowClosing(WindowEvent e)
         { /* disconnect from server 
	    * this must be always run */
	   cl.disconnect();
	   /* close window frame */
	   JFtpSwingTest.this.dispose(); 
	   System.exit(0); } } ); 
   }

   /* update directory contents 
    * thread safe implementation */
   void update(CoFile dir)
   {  dirChoice.setEnabled(false); 
      fileList.setEnabled(false);
      (new Thread(new Update(dir))).start(); }

   class Update implements Runnable
   {  CoFile dir; CoFile files[]=null;
      Update(CoFile dir) { this.dir=dir; }
      public void run()
      {  if(dir!=null)
         {  if(dir.isDirectory())
  	       files=dir.listCoFiles(); 
	    if(files==null) 
            {  dir=dirChoice.getDir(); files=fileList.getFiles(); }
         }  
         SwingUtilities.invokeLater(new UpdateUI(dir,files)); 
      }
   }

   class UpdateUI implements Runnable
   {  CoFile dir; CoFile files[];
      UpdateUI(CoFile dir,CoFile files[]) 
      {  this.dir=dir; this.files=files; }
      public void run()
      {  dirChoice.setDir(dir); fileList.setFiles(files); }
   }

   public static void main(String args[]) 
   {   
      final JFtpSwingTest frame = new JFtpSwingTest();
      frame.pack(); frame.show();

      /* host = ftp.netscape.com;    path = pub;
       * user = anonymous (default); port = 21 (default); */
      FtpConnect cn = FtpConnect.newConnect
         ("ftp://ftp.netscape.com/pub");
      /* Guest login ok, send your e-mail as password */
      cn.setPassWord("[e-mail]");

      try 
      {  /* connect & login to host */
	 frame.cl.connect(cn);

	 /* get current directory */
	 frame.update(new FtpFile(frame.cl.pwd(),frame.cl));
      } 
      catch (IOException e) 
	 { System.out.println(e); }
   }
}