import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class TinyBrowser implements ActionListener,HyperlinkListener {
    static Frame frame = new Frame("Hello, world!");
    static JEditorPane browser = new JEditorPane();
    static TextField url = new TextField("http://www.yahoo.com/", 60);
    static Button go = new Button("Go!");

    static public void main(String args[]) {

	JScrollPane editorScrollPane = new JScrollPane(browser);
	editorScrollPane.setVerticalScrollBarPolicy(
						    JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
	editorScrollPane.setPreferredSize(new Dimension(600,600));


	frame.setLayout(new FlowLayout());
	frame.add(url);
	frame.add(go);
       	frame.add(editorScrollPane);

	TinyBrowser me = new TinyBrowser();

	browser.setEditable(false);
	browser.addHyperlinkListener(me);
	go.addActionListener(me);
	go.setActionCommand("go");

	frame.setSize(600,600);
	frame.show();

    }

    public void hyperlinkUpdate(HyperlinkEvent e) {
	if(e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
	    try {
		browser.setPage(e.getURL());
		url.setText(e.getURL());
	    }
	    catch(IOException ioe) {
		System.out.println(e.toString());
	    }
	}
    }

    public void actionPerformed(ActionEvent e) {
	if(e.getActionCommand().equals("go")) {
	    try {
		browser.setPage(url.getText());
	    }
	    catch(IOException ioe) {
		System.out.println(ioe.toString());
	    }
	    frame.repaint();
	}
    }
}