import java.applet.Applet;
import java.awt.Graphics;
import java.net.URL;
import java.net.URLConnection;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.*;

public class SendRequest extends Applet
{
    private int state;
    private String response;

    public SendRequest() {
    }
    
    // applet methods
    // ====================================
    public void init() {
      state     = 0;
      response  = "";
    }
    
    public void start() {
      if(response.lenght() == 0 && state = 0) {
        Thread t = new Thread() {
          public void run() {
            requestData();
          }
        });
        t.setName("Task Handler");
        t.start();
      }
    }
    
    public void stop() {
    }
    
    public void destroy() {
      response = "";
      state = 0;
    }
    // -------------------------------------
    
    private String getState() {
      switch(state) {
        case 0:
          return "Initializing";
        case 1:
          return "Requesting data";
        case 2:
          return "Processing data";
        case 3:
          return "Creating XML";
        case 4:
          return "Done";
      }
    }
    
    
    
    private void requestData() {
      state = 1;
      
      // do stuff
      
      processData();
    }
    
    private void processData() {
      state = 2;

      // do stuff
      
      processXML();
    }
    
    private void processXML() {
      state = 3;

      // do stuff
      
      response = "XML DATA";
      
      state = 4;
    }

    public void paint(Graphics g) {
        g.drawRect(0, 0, 499, 149);
        g.drawString(getState(), 5, 70);
    }

    public String getResponseText() {
      return response;
    }
}