Java Tutorial/Swing/Web Browser

Browser by JEditorPane

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.IDN;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
public class WebBrowserBasedOnJEditorPane extends JFrame implements HyperlinkListener {
  private JTextField txtURL= new JTextField("");
  JEditorPane ep = new JEditorPane();
  private JLabel lblStatus= new JLabel(" ");
  public WebBrowserBasedOnJEditorPane() {
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    JPanel pnlURL = new JPanel();
    pnlURL.setLayout(new BorderLayout());
    pnlURL.add(new JLabel("URL: "), BorderLayout.WEST);
    pnlURL.add(txtURL, BorderLayout.CENTER);
    getContentPane().add(pnlURL, BorderLayout.NORTH);
    getContentPane().add( ep, BorderLayout.CENTER);
    getContentPane().add(lblStatus, BorderLayout.SOUTH);
    ActionListener al = new ActionListener() {
      public void actionPerformed(ActionEvent ae) {
        try {
          String url = ae.getActionCommand().toLowerCase();
          if (url.startsWith("http://"))
            url = url.substring(7);
          ep.setPage("http://" + IDN.toASCII(url));
        } catch (Exception e) {
          e.printStackTrace();
          JOptionPane.showMessageDialog(WebBrowserBasedOnJEditorPane.this, "Browser problem: " + e.getMessage());
        }
      }
    };
    txtURL.addActionListener(al);
    setSize(300, 300);
    setVisible(true);
  }
  public void hyperlinkUpdate(HyperlinkEvent hle) {
    HyperlinkEvent.EventType evtype = hle.getEventType();
    if (evtype == HyperlinkEvent.EventType.ENTERED)
      lblStatus.setText(hle.getURL().toString());
    else if (evtype == HyperlinkEvent.EventType.EXITED)
      lblStatus.setText(" ");
  }
  public static void main(String[] args) {
    new WebBrowserBasedOnJEditorPane();
  }
}

Listening for Hyperlink Events from a JEditorPane Component

import java.io.IOException;
import javax.swing.JEditorPane;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
public class Main {
  public static void main(String[] argv) throws Exception{
    String url = "http://java.sun.ru";
    JEditorPane editorPane = new JEditorPane(url);
    editorPane.setEditable(false);
    editorPane.addHyperlinkListener(new MyHyperlinkListener());
  }
}
class MyHyperlinkListener implements HyperlinkListener {
  public void hyperlinkUpdate(HyperlinkEvent evt) {
    if (evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
      JEditorPane pane = (JEditorPane) evt.getSource();
      try {
        // Show the new page in the editor pane.
        pane.setPage(evt.getURL());
      } catch (IOException e) {
      }
    }
  }
}