readserverfile.java

东西比较杂

/**
 * 
 */
package com.tiankong;

import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import javax.swing.*;
import javax.swing.event.*;
/**
 * @author Administrator
 *
 */
public class ReadServerFile extends JFrame{
	private JTextField enter;
	private JEditorPane contents;
	public ReadServerFile(){
		super("Simple Web Brower");
		Container c=getContentPane();
		enter=new JTextField("Enter file url here");
		enter.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				getThePage(e.getActionCommand());
			}
		});
		c.add(enter,BorderLayout.NORTH);
		contents=new JEditorPane();
		contents.setEditable(false);
		contents.addHyperlinkListener(new HyperlinkListener(){
			public void hyperlinkUpdate(HyperlinkEvent e){
				if(e.getEventType()==HyperlinkEvent.EventType.ACTIVATED)
					getThePage(e.getURL().toString());
			}
		});
		c.add(new JScrollPane(contents),BorderLayout.CENTER);
		setSize(400,300);
		setVisible(true);
	}

	/**
	 * @param args
	 */
	private void getThePage(String location){
		setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
		try{
			contents.setPage(location);
			enter.setText(location);
		}catch(IOException e){
			JOptionPane.showMessageDialog(this, "Error retrieving spcified url","Bad URL",JOptionPane.ERROR_MESSAGE);
		}
		this.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		ReadServerFile app=new ReadServerFile();
		app.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
}