Server.java

package server;

import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.util.ArrayList;
import java.util.Observable;
import java.util.Scanner;

import remote.IClientController;
import remote.IDrawingController;

public class Server extends Observable {

    public static void main(String[] args)  {

        try {

            //Export the remote math object to the Java RMI runtime so that it
            //can receive incoming remote calls.
            //Because RemoteMath extends UnicastRemoteObject, this
            //is done automatically when the object is initialized.
            //
            //RemoteMath obj = new RemoteMath();
            //IRemoteMath stub = (IRemoteMath) UnicastRemoteObject.exportObject(obj, 0);
            //
            IDrawingController drawingController = new DrawingController();
            IClientController clientController = new ClientController();

            //Publish the remote object's stub in the registry under the name "Compute"
            Registry registry = LocateRegistry.getRegistry();
            registry.rebind("DrawingController", drawingController);
            registry.rebind("ClientController", clientController);

            System.out.println("Server is ready");


            // Test client update command
            // Get client registry
            ArrayList<String> usernameList = new ArrayList<>();
            Scanner keyboard = new Scanner(System.in);
            String command;
            while(true) {
                command = keyboard.nextLine();
                switch (command) {
                    case "test1":
                        usernameList = clientController.getUsernameList();
                        if (!usernameList.isEmpty()) {
                            for (int i = 0; i < usernameList.size(); i++) {
                                System.out.println(usernameList.get(i));
                            }
                        }
                        break;
                    default:
                        System.out.println("nothing");
                        break;
                }
            }


        } catch (Exception e) {
            e.printStackTrace();
        }

    }


}