import java.rmi.*;

public class MyClient 
	extends java.rmi.server.UnicastRemoteObject implements WorkListener {

    public static void main(String [] args) throws RemoteException {
		System.setSecurityManager(new RMISecurityManager());
		new MyClient( args[0] );
	}

	public MyClient(String host) throws RemoteException {
		try {
			Server server = (Server)Naming.lookup("//"+host+"/NiftyServer");

			System.out.println( server.getDate() );
			System.out.println( server.execute( new MyCalculation(2) ) );
			StringEnumeration se = server.getList();
			while ( se.hasMoreItems() )
				System.out.println( se.nextItem() );
			server.asyncExecute( new MyCalculation(100), this );

		} catch (java.io.IOException e) { 
			// I/O Error or bad URL
System.out.println(e);
		} catch (NotBoundException e) { 
			// NiftyServer isn't registered
System.out.println(e);
		}
    }

	public void workCompleted( WorkRequest request, Object result ) throws RemoteException {
		System.out.println("Async work result = " + result);
		System.out.flush();
	}
}