servicemonitor.java

First of all, the Applet-phone is a SIP User-Agent with audio and text messaging capabilities. But

/*
 * ServiceMonitor.java
 *
 * Created on October 15, 2003, 9:43 AM
 */

package gov.nist.security.bcs.monitor;

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

/**
 * Class instantiated at the starting of a service
 * this class will open a socket towards the stateless proxy
 * and send the sipURI and the port of the registered service
 * @author  DERUELLE Jean
 */
class ServiceMonitor implements Runnable {
    /**the service monitor thread */
    private Thread monitorThread= null;    
    /**the socket which will send information to the stateless proxy*/
    private Socket socket = null;
    /**the IP Address where this service is uploaded and running*/
    private String ipAddress= null;
    /**the port on wich to Start the socket*/
    private String port= null;
    /**the main class name of the service*/
    private String serviceName= null;
    /**Output of the socket*/
    private PrintWriter sout =null;    
    /** Creates a new instance of ServiceMonitor */
    public ServiceMonitor() {
        
    }
    
    /** Creates a new instance of ServiceMonitor
     * @param ipAddress - the IP Address where this service is uploaded and running
     * @param port - the port on wich to Start the socket
     * @param serviceName - the main class name of the service
     */
    public ServiceMonitor(String ipAddress,String port, String serviceName) {
        this.ipAddress=ipAddress;
        this.port=port;
        this.serviceName=serviceName;
    }
    
    /**
     * start the monitor thread
     */
    public void start() {
        if (monitorThread== null) {
            monitorThread= new Thread(this);
            monitorThread.start();
        }
    }
    /**
     * @see java.lang.Runnable#run()
     */
    public void run() {        
        int portNumber = 0;
	try {	    
	    try {
		portNumber = Integer.parseInt(port);                
	    }
	    catch (NumberFormatException e) {
		System.err.println("Wrong port number");
		System.exit(1);
	    }
	    socket = new Socket(ipAddress, portNumber);
            sout = new PrintWriter(socket.getOutputStream());
            sendStartedNotification();
	    /*System.out.println("Connection successfull on "+socket.getInetAddress()+" port n