Java Tutorial/Swing/Web Browser

Browser by JEditorPane

   <source lang="java">

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();
 }

}</source>

Listening for Hyperlink Events from a JEditorPane Component

   <source lang="java">

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) {
     }
   }
 }

}</source>