@Override public synchronized void sendXmlMessage(User user, final XmlMessage xmlMessage) { if (!myUI.connectAndLogin(null)) { return; } final String threadId = getThreadId(user); final PacketCollector packetCollector = myFacade.getConnection().createPacketCollector(new ThreadFilter(threadId)); doSendMessage(xmlMessage, user, threadId); if (xmlMessage.needsResponse()) { //noinspection HardCodedStringLiteral final Runnable responseWaiterRunnable = () -> { try { processResponse(xmlMessage, packetCollector); } finally { packetCollector.cancel(); } }; myIdeFacade.runOnPooledThread(responseWaiterRunnable); } else { packetCollector.cancel(); } }