updated version, event system reworked

pom.xml

@@ -16,6 +16,9 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.5.1</version>
 				<configuration>
+					<excludes>
+						<exclude>de/mrbesen/test/**</exclude>
+					</excludes>
 					<source />
 					<target />
 				</configuration>
@@ -48,4 +51,5 @@
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
 	</properties>
+
 </project>

src/main/java/de/mrbesen/telegram/event/EventListener.java

@@ -1,6 +0,0 @@
-package de.mrbesen.telegram.event;
-
-public interface EventListener<T extends Event> {
-
-	public void handleEvent(T event);
-}

src/main/java/de/mrbesen/telegram/event/EventManager.java

@@ -6,40 +6,44 @@ import java.lang.reflect.Array;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.function.Consumer;
 
 public class EventManager {
 
-	private HashMap<Class<? extends Event>, ArrayList<EventListener>> listeners = new HashMap<>();
+	private HashMap<Class<? extends Event>, ArrayList<Consumer>> listeners = new HashMap<>();
 
 	public EventManager() {}
 
-	public void registerEvent(Class<? extends Event> eventtype, EventListener listener) {
-		if (listener == null) {
+	public void registerEvent(Class<? extends Event> eventtype, Consumer handler) {
+		if (handler == null) {
 			throw new NullPointerException();
 		}
 
 		//get list
-		ArrayList<EventListener> list = listeners.get(eventtype);
+		ArrayList<Consumer> list = listeners.get(eventtype);
 		if (list == null) {
-			list = new ArrayList<EventListener>();
+			//create and add list
+			list = new ArrayList<>();
 			listeners.put(eventtype, list);
-		} else if(list.contains(listener)) {
+		} else if(list.contains(handler)) {
 			throw new IllegalArgumentException("listener allready registered");
 		}
 
-		list.add(listener);
+		list.add(handler); // ad to list
 	}
 
 	public Event callEvent(Event e) {
 		if(e == null)
 			throw new NullPointerException("event is not allowed to be null!");
-		ArrayList<EventListener> listner = listeners.get(e.getClass());
-		for(EventListener listn : listner) {
-			try {
-				listn.handleEvent(e);
-			} catch(Throwable t) {
-				System.err.println("Error occurred on Handling Event: " + e.getClass().getSimpleName());
-				t.printStackTrace();
+		ArrayList<Consumer> listner = listeners.get(e.getClass());
+		if(listner != null) {
+			for (Consumer listn : listner) {
+				try {
+					listn.accept(e);
+				} catch (Throwable t) {
+					System.err.println("Error occurred on Handling Event: " + e.getClass().getSimpleName());
+					t.printStackTrace();
+				}
 			}
 		}
 		return e;

src/main/java/de/mrbesen/test/Main.java

@@ -3,8 +3,6 @@ package de.mrbesen.test;
 import java.util.Scanner;
 
 import de.mrbesen.telegram.TelegramAPI;
-import de.mrbesen.telegram.event.EventListener;
-import de.mrbesen.telegram.event.events.UserCallbackEvent;
 import de.mrbesen.telegram.event.events.UserSendMessageEvent;
 import de.mrbesen.telegram.objects.TMessage;
 import de.mrbesen.telegram.objects.TUser.Status;
@@ -13,7 +11,7 @@ import de.mrbesen.test.commands.ReplyKeyboardRemoveTC;
 import de.mrbesen.test.commands.ReplyKeyboardTestCase;
 import de.mrbesen.test.commands.SimpleTestCase;
 
-public class Main implements EventListener<UserSendMessageEvent>, Runnable {
+public class Main implements Runnable {
 
 	TelegramAPI api;
 	private int action = 0;
@@ -30,10 +28,11 @@ public class Main implements EventListener<UserSendMessageEvent>, Runnable {
 		api.getCommandManager().registerCommand(new InlineKeyboardTC());
 		api.getCommandManager().registerCommand(new ReplyKeyboardTestCase());
 		api.getCommandManager().registerCommand(new ReplyKeyboardRemoveTC());
-		api.getEventManager().registerEvent(UserSendMessageEvent.class, this);
+		api.getEventManager().registerEvent(UserSendMessageEvent.class, this::handleEvent);
 	}
 	
-	public void handleEvent(UserSendMessageEvent e) {
+	public void handleEvent(Object event) {
+		UserSendMessageEvent e = (UserSendMessageEvent) event;
 		//api.sendMessage(new MessageBuilder().setText("this is a reply").setReciver(e.getUser().getID()).setSilent(true).setNoWebView(true).build());
 		
 		if(oldmsg != null) {