[websocket] Override AbstractWebSocket.toString()

smack-websocket/src/main/java/org/jivesoftware/smack/websocket/impl/AbstractWebSocket.java

@@ -1,6 +1,6 @@
 /**
  *
- * Copyright 2020 Aditya Borikar, 2020-2021 Florian Schmaus
+ * Copyright 2020 Aditya Borikar, 2020-2023 Florian Schmaus
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -156,4 +156,9 @@ public abstract class AbstractWebSocket {
     }
 
     public abstract SSLSession getSSLSession();
+
+    @Override
+    public final String toString() {
+        return getClass().getSimpleName() + "[" + connectionInternal.connection + "]";
+    }
 }