Multi-Chess/fh.fd.ci.server/src/main/java/de/fd/fh/ServerApp.java

package de.fd.fh;

import de.fd.fh.server.access.AccessContextEventListener;
import de.fd.fh.server.access.AccessRepository;
import de.fd.fh.server.access.AccessService;
import de.fd.fh.server.access.web.AccessController;
import de.fd.fh.server.user.UserContextEventListener;
import de.fd.fh.server.user.web.UserController;
import de.fd.fh.server.user.UserRepository;
import de.fd.fh.server.user.UserService;


import java.util.HashSet;
import java.util.Observable;
import java.util.Observer;
import java.util.Set;

import static spark.Spark.*;

public class ServerApp
{
    private static AccessRepository accessRepository;
    private static UserRepository userRepository;

    private static final Set<Observer> listeners = new HashSet<>();

    public static void main(String[] args)
    {
        initRepositories();

        initListeners();

        new AccessController((AccessService) addListeners(new AccessService(accessRepository)));
        new UserController((UserService) addListeners(new UserService(userRepository)));

        get("/hello", (req, res) -> "Hello World");

    }

    private static Object addListeners(Observable service)
    {
        listeners.forEach(service::addObserver);

        return service;
    }

    private static void initListeners()
    {
        listeners.add(new AccessContextEventListener(accessRepository));
        listeners.add(new UserContextEventListener(userRepository));
    }

    private static void initRepositories() {
        accessRepository = new AccessRepository();
        userRepository = new UserRepository();
    }
}