Web Browser.....Code is inside...but clarify few things!

Question

HI All,
this is pilot ..sorry to bother u again but this time its kinda important
here is my program for a web browser--
now i wanna know a few things HyperlinkListener just not support javascript nor does it support flash ...thats 2 and i wanna know wht else restrictions that are in this simple browser....
and can u tell me how can i make this browser more faster and i wanna add a JProgressBar to it and i have no clue...please help/
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JEditorPane;
import javax.swing.JLabel;
import java.io.IOException;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.UIManager;
import javax.swing.JEditorPane;
import javax.swing.event.HyperlinkListener;
import javax.swing.event.HyperlinkEvent;
import javax.swing.JOptionPane;
public class Browser implements ActionListener
     JTextField t1;
     JLabel l1;
     JButton b1;
     GridBagLayout gbl;
     GridBagConstraints gbc;
     JPanel p;
     JFrame frame;
     JScrollPane scrollPane;
     JEditorPane jep;
     static String initialPage;
public Browser()
     //JFrame.setDefaultLookAndFeelDecorated(true);
     /*try
        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
     catch(Exception e)
         e.printStackTrace();
     frame=new JFrame("Simple Web Browser");
     gbl=new GridBagLayout();
     gbc=new GridBagConstraints();
     p=new JPanel();
     p.setLayout(gbl);
     jep = new JEditorPane();
     t1=new JTextField();
     b1=new JButton("Check it out!");
     b1.addActionListener(this);
     frame.getRootPane().setDefaultButton(b1);
     l1=new JLabel("Address");
     gbc.anchor=GridBagConstraints.NORTHEAST;
     gbc.fill=GridBagConstraints.HORIZONTAL;
     gbc.gridx=0;
     gbc.gridy=0;
     gbc.weightx=0.0;
     gbl.setConstraints(l1,gbc);
     p.add(l1);
     gbc.anchor=GridBagConstraints.NORTHEAST;
     gbc.gridx=1;
     gbc.gridy=0;
     gbc.weightx=1.0;
     gbl.setConstraints(t1,gbc);
     p.add(t1);
     gbc.anchor=GridBagConstraints.NORTHWEST;
     gbc.gridx=2;
     gbc.gridy=0;
     gbc.weightx=0.0;
     gbl.setConstraints(b1,gbc);
     p.add(b1);
    scrollPane = new JScrollPane(jep);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().add(p,BorderLayout.NORTH);
     frame.getContentPane().add(scrollPane);
    frame.setSize(1000,700);
    frame.setVisible(true);
public void actionPerformed(ActionEvent e)
          initialPage=t1.getText();
          char a=initialPage.charAt(0);
          char b=initialPage.charAt(1);
          char c=initialPage.charAt(2);
          char d=initialPage.charAt(3);
          char ea=initialPage.charAt(4);
          char f=initialPage.charAt(5);
          char g=initialPage.charAt(6);
          if((a=='h')&&(b=='t')&&(c=='t')&&(d=='p')&&(ea==':')&&(f=='/')&&(g=='/'))
               initialPage=t1.getText();
          else
               initialPage="http://"+initialPage;
          jep.setEditable(false);
          jep.addHyperlinkListener(new second(jep));
         try
           jep.setPage(initialPage);
         catch (IOException ae)
            JOptionPane.showMessageDialog(frame,new String("Error: "+ae));
public static void main(String[] args)
          new SimpleWebBrowser();
class second implements HyperlinkListener
  private JEditorPane pane;
  public second(JEditorPane pane)
    this.pane = pane;
public void hyperlinkUpdate(HyperlinkEvent evt)
   if (evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED)
      try
       pane.setPage(evt.getURL());
     catch (Exception e){}
  }}}

Answer 1

Broken Browser excuse me/...check this out ---> run it and tell me if the code is broken...
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JEditorPane;
import javax.swing.JLabel;
import java.io.IOException;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.UIManager;
import javax.swing.JEditorPane;
import javax.swing.event.HyperlinkListener;
import javax.swing.event.HyperlinkEvent;
import javax.swing.JOptionPane;
public class Browser implements ActionListener
     JTextField t1;
     JLabel l1;
     JButton b1;
     GridBagLayout gbl;
     GridBagConstraints gbc;
     JPanel p;
     JFrame frame;
     JScrollPane scrollPane;
     JEditorPane jep;
     static String initialPage;
public Browser()
     //JFrame.setDefaultLookAndFeelDecorated(true);
     /*try
        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
     catch(Exception e)
         e.printStackTrace();
     frame=new JFrame("Simple Web Browser");
     gbl=new GridBagLayout();
     gbc=new GridBagConstraints();
     p=new JPanel();
     p.setLayout(gbl);
     jep = new JEditorPane();
     t1=new JTextField();
     b1=new JButton("Check it out!");
     b1.addActionListener(this);
     frame.getRootPane().setDefaultButton(b1);
     l1=new JLabel("Address");
     gbc.anchor=GridBagConstraints.NORTHEAST;
     gbc.fill=GridBagConstraints.HORIZONTAL;
     gbc.gridx=0;
     gbc.gridy=0;
     gbc.weightx=0.0;
     gbl.setConstraints(l1,gbc);
     p.add(l1);
     gbc.anchor=GridBagConstraints.NORTHEAST;
     gbc.gridx=1;
     gbc.gridy=0;
     gbc.weightx=1.0;
     gbl.setConstraints(t1,gbc);
     p.add(t1);
     gbc.anchor=GridBagConstraints.NORTHWEST;
     gbc.gridx=2;
     gbc.gridy=0;
     gbc.weightx=0.0;
     gbl.setConstraints(b1,gbc);
     p.add(b1);
    scrollPane = new JScrollPane(jep);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().add(p,BorderLayout.NORTH);
     frame.getContentPane().add(scrollPane);
    frame.setSize(1000,700);
    frame.setVisible(true);
public void actionPerformed(ActionEvent e)
          initialPage=t1.getText();
          char a=initialPage.charAt(0);
          char b=initialPage.charAt(1);
          char c=initialPage.charAt(2);
          char d=initialPage.charAt(3);
          char ea=initialPage.charAt(4);
          char f=initialPage.charAt(5);
          char g=initialPage.charAt(6);
          if((a=='h')&&(b=='t')&&(c=='t')&&(d=='p')&&(ea==':')&&(f=='/')&&(g=='/'))
               initialPage=t1.getText();
          else
               initialPage="http://"+initialPage;
          jep.setEditable(false);
          jep.addHyperlinkListener(new second(jep));
         try
           jep.setPage(initialPage);
         catch (IOException ae)
            JOptionPane.showMessageDialog(frame,new String("Error: "+ae));
public static void main(String[] args)
          new Browser();
class second implements HyperlinkListener
  private JEditorPane pane;
  public second(JEditorPane pane)
    this.pane = pane;
public void hyperlinkUpdate(HyperlinkEvent evt)
   if (evt.getEventType() == HyperlinkEvent.EventType.ACTIVATED)
      try
       pane.setPage(evt.getURL());
     catch (Exception e){}
  }}}