import java.awt.*;
import java.io.*;
import java.net.*;

public class ReadStream extends java.applet.Applet implements Runnable {

  URL url;
  Thread runner;
  TextArea ta = new TextArea("Read Stream...");
  
  public void init() {
    try { 
      url = new URL(getCodeBase(), "ReadStream.java"); 
    } catch ( MalformedURLException e) {
      System.out.println("Bad URL: " + url);
    }
    setLayout(new BorderLayout());
    ta.setFont(new Font("TimesRoman", Font.BOLD, 18));
    add("Center", ta);
  }
  
  public void start() {
    if (runner == null) {
      runner = new Thread(this);
      runner.start();
    }
  }
  
  public void stop() {
    if (runner != null) {
      runner.stop();
      runner = null;
    }
  }
  
  public void run() {
    DataInputStream data = null;
    String line;
    StringBuffer buf = new StringBuffer();
    try { 
      ta.setText("Open Stream...");
      data = new DataInputStream(new BufferedInputStream(
        url.openStream()));
      ta.setText("Reading data...");
      while ((line = data.readLine()) != null)
        buf.append(line + "\n");
      ta.setText(buf.toString());
    } catch (IOException e) {
      System.out.println("IO Error:" + e.getMessage());
    }
  }
  
} // end ReadStream class