case UNSUBSCRIBE:
UnsubscribeMessage unsubscribeMessage = (UnsubscribeMessage) message;
handlePubSubMessage(unsubscribeMessage, null, unsubscribeMessage.getTopicURI(), unsubscribeMethods);
break;
case PREFIX:
PrefixMessage prefixMessage = (PrefixMessage) message;
handlePrefixMessage(prefixMessage);
break;
default:
break;
}