//package examples.hello;
import java.rmi.*;
import java.rmi.server.UnicastRemoteObject;
import java.net.*;
import java.util.*;
import java.lang.*;

public class HelloImpl extends UnicastRemoteObject implements Hello
{
    private int counter = -1;
    ArrayList clients;

    public HelloImpl() throws RemoteException {
	// The superclass constrctor exports the interface and gets a port
	super();
	clients = new ArrayList();
    }

    public synchronized void send(String str) throws RemoteException{
	System.out.println("I am supposed to be sending: " + str);
	Iterator itt = clients.iterator();
	Player player;

	while(itt.hasNext()) {
	    player = (Player) itt.next();
	    try {
		player.send(str);
	    } catch(RemoteException e) {
		System.out.println("Removing player...");
		clients.remove(player);
	    };
	};
    };

    public synchronized void register(Player player) throws RemoteException {
	player.send("you are registered");
	clients.add(player);
    };
    
    public synchronized String sayHello() throws RemoteException {
	// This is the "service" provided.
	System.out.println("Serving new request...");
	counter++;
	return  "Hello World! " + counter;     
    }

    public static void main(String args[])
    {
	// Create and install a security manager
	System.setSecurityManager(new RMISecurityManager());

	try
	    {
		
		// Construct the server object.
		HelloImpl obj = new HelloImpl();

		// Register the server with the name server.
		Naming.rebind("HelloServer", obj);
	    }
	catch (RemoteException e) {
	    System.out.println("HelloApplet RemoteException caught");
	}
	catch (MalformedURLException e) {
	    System.out.println("HelloApplet MalformedURLException caught");
	}
    }
};