TD-5: Cleanup and Finalizing

src/main/java/de/towerdefence/server/server/channels/match/MatchWebsocketHandler.java

@@ -83,9 +83,9 @@ public class MatchWebsocketHandler extends JsonWebsocketHandler {
         try {
             String payload = message.getPayload();
             if (!Objects.equals(
-                objectMapper.readTree(payload).get("$id").asText(),
-                RequestTowerPlacingMessage.MESSAGE_ID
-            )) {
+                        objectMapper.readTree(payload).get("$id").asText(),
+                        RequestTowerPlacingMessage.MESSAGE_ID
+                    )) {
                 this.closeSession(session, CloseStatus.BAD_DATA);
                 return;
             }
@@ -101,8 +101,11 @@ public class MatchWebsocketHandler extends JsonWebsocketHandler {
         objectMapper.readValue(payload, RequestTowerPlacingMessage.class);
         Player opponent;
         try {
-            opponent =
-            this.matchService.placeTower(this.sessionPlayers.get(session), msg.getX(), msg.getY());
+            opponent =this.matchService.placeTower(
+                this.sessionPlayers.get(session),
+                msg.getX(),
+                msg.getY()
+            );
         } catch (InvalidPlacementException exception) {
             new InvalidPlacementMessage(msg.getX(), msg.getY(), exception.getReason()).send(session);
             return;