单的JAVA浏览器

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.jdesktop.jdic.browser.IWebBrowser;
import org.jdesktop.jdic.browser.WebBrowser;
import org.jdesktop.jdic.browser.WebBrowserEvent;
import org.jdesktop.jdic.browser.WebBrowserListenerAdapter;
/**
*
* @author hadeslee
*/
public class Test1 extends JPanel implements ActionListener {
private JTextField input;
private JButton go;
private IWebBrowser web;
public Test1() {
super(new BorderLayout());
initWindow();
}
private void initWindow() {
try {
web = new WebBrowser();
web.addWebBrowserListener(new MyListener());
go = new JButton("转到");
input = new JTextField();
JPanel up = new JPanel(new BorderLayout());
up.add(input, BorderLayout.CENTER);
up.add(go, BorderLayout.EAST);
this.add(up, BorderLayout.NORTH);
this.add(web.asComponent(), BorderLayout.CENTER);
input.addActionListener(this);
go.addActionListener(this);
} catch (Exception ex) {
Logger.getLogger(Test1.class.getName()).log(Level.SEVERE, null, ex);
}
JFrame jf = new JFrame("JAVA浏览器");
jf.add(this, BorderLayout.CENTER);
jf.setSize(500, 300);
jf.setLocationRelativeTo(null);
jf.setVisible(true);
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void actionPerformed(ActionEvent ae) {
doOpen();
}
private void doOpen() {
try {
String text = input.getText();
if (text == null || text.equals("")) {
return;
}
if (!text.toLowerCase().startsWith("http://")) {
text = "http://" + text;
}
web.setURL(new URL(text));
} catch (MalformedURLException ex) {
Logger.getLogger(Test1.class.getName()).log(Level.SEVERE, null, ex);
}
}
public static void main(String[] args) {
new Test1();
}
private class MyListener