Server

mirai-core/src/main/java/net/mamoe/mirai/MiraiMain.java

 package net.mamoe.mirai;
 
 
+import net.mamoe.mirai.event.MiraiEventHook;
+import net.mamoe.mirai.event.events.server.ServerDisableEvent;
+
 /**
  * @author Him188moe @ Mirai Project
  */
@@ -11,5 +14,9 @@ public final class MiraiMain {
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {
             server.shutdown();
         }));
+        server.getEventManager().register(
+                new MiraiEventHook<>(ServerDisableEvent.class)
+                .setHandler(a -> System.out.println("close"))
+        );
     }
 }

mirai-core/src/main/java/net/mamoe/mirai/event/MiraiEventManager.java

@@ -41,6 +41,12 @@ public class MiraiEventManager {
         this.registerUntil(hook,(a) -> false);
     }
 
+    public <D extends MiraiEvent> MiraiEventHook<D> onEvent(Class<D> event){
+        MiraiEventHook<D> hook = new MiraiEventHook<>(event);
+        this.register(hook);
+        return hook;
+    }
+
     public void boardcastEvent(MiraiEvent event){
         hooksLock.lock();
         if(hooks.containsKey(event.getClass())){