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

/**
 * 史上最烂最精简的java版浏览器
 */
public class Explorer {
	public static void main(String args[]) {
		new LinkWin();
	}
}

class LinkWin extends JFrame implements ActionListener, Runnable {
	Button button;
	URL url;
	TextField text;
	JEditorPane editpane;
	byte b[] = new byte[118];
	Thread thread;

	public LinkWin() {
		text = new TextField(20);
		editpane = new JEditorPane();
		editpane.setEditable(false);
		button = new Button("确定");
		button.addActionListener(this);
		thread = new Thread(this);
		Panel p = new Panel();
		p.add(new Label("输入网址"));
		p.add(text);
		p.add(button);
		ScrollPane scroll = new ScrollPane();
		scroll.add(editpane);
		add(scroll, BorderLayout.CENTER);
		add(p, BorderLayout.NORTH);
		setBounds(60, 60, 360, 300);
		setVisible(true);
		validate();
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		editpane.addHyperlinkListener(new HyperlinkListener() {
			public void hyperlinkUpdate(HyperlinkEvent e) {
				if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
					try {
						editpane.setPage(e.getURL());
					} catch (IOException e1) {
						editpane.setText("" + e1);
					}
				}
			}
		});
	}

	public void actionPerformed(ActionEvent e) {
		if (!(thread.isAlive()))
			thread = new Thread(this);
		try {
			thread.start();
		} catch (Exception ee) {
			text.setText("我正在读取" + url);
		}
	}

	public void run() {
		try {
			editpane.setText(null);
			url = new URL(text.getText().trim());
			editpane.setPage(url);
		} catch (Exception e1) {
			text.setText("" + e1);
			return;
		}
	}
}