rssfeeder.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.tools;

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

import java.awt.*;
import java.net.*;
import javax.swing.*;
import java.util.*;

public class RSSFeeder extends StatusCanvas implements Runnable
{

 Thread runner;
 URL url;
 RSSParser parser;
 
 int HEADER_IVAL = 4000;
 int LOAD_IVAL = 31*60000;
 
 public static String urlstring = Settings.getRSSFeed();
 	 //"http://www.spiegel.de/schlagzeilen/rss/0,5291,,00.xml";

 public RSSFeeder()
 {
 	setPreferredSize(new Dimension(500, 25));
 	runner = new Thread(this);
	runner.start();
 }
 
 public void run()
 {
 	long time;
	
	try
	{
	 	setInterval(10);
		url = new URL(urlstring);
		parser = new RSSParser(url);
		time = System.currentTimeMillis();
	}
	catch(Exception ex)
	{
		ex.printStackTrace();
		return;
	}
	
 	while(true)
	{
		try
		{		 
		 Enumeration e = parser.titles.elements();
		 Enumeration e2 = parser.descs.elements();
		
		 while(e.hasMoreElements())
		 {
			setText((String) e.nextElement());
			LocalIO.pause(HEADER_IVAL);
				
			if(e2.hasMoreElements())
			{ 
			  scrollText((String) e2.nextElement());
			}
		 }
		
		}
		catch(Exception ex)
		{
			ex.printStackTrace();
		}
		
		if(System.currentTimeMillis() > LOAD_IVAL+time) 
		{
			parser = new RSSParser(url);
			time = System.currentTimeMillis();
		}
	}
 }
 
 
}