+ * Handles a CTCP message.
+ *
+ * @param client
+ * The client sending the message
+ * @param message
+ * The message
+ */
+ private void handleCtcp(Source client, String message) {
+ String[] messageWords = message.substring(1, message.length() - 1).split(" +");
+ String ctcpCommand = messageWords[0];
+ if (ctcpCommand.equalsIgnoreCase("DCC")) {
+ if (messageWords[1].equalsIgnoreCase("SEND")) {
+ Optional<InetAddress> inetAddress = parseInetAddress(messageWords[3]);
+ Optional<Integer> port = Optional.fromNullable(Ints.tryParse(messageWords[4]));
+ long fileSize = Optional.fromNullable(Longs.tryParse(messageWords[5])).or(-1L);
+ if (inetAddress.isPresent() && port.isPresent()) {
+ eventBus.post(new DccSendReceived(this, client, messageWords[2], inetAddress.get(), port.get(), fileSize));
+ } else {
+ logger.warn(String.format("Received malformed DCC SEND: “%s”", message));
+ }
+ } else if (messageWords[1].equalsIgnoreCase("ACCEPT")) {
+ Optional<Integer> port = Optional.fromNullable(Ints.tryParse(messageWords[3]));
+ long position = (messageWords.length > 4) ? Optional.fromNullable(Longs.tryParse(messageWords[4])).or(-1L) : -1;
+ if (port.isPresent()) {
+ eventBus.post(new DccAcceptReceived(this, client, messageWords[2], port.get(), position));
+ } else {
+ logger.warn(String.format("Received malformed DCC ACCEPT: “%s”", message));
+ }
+ }
+ }
+ }
+
+ /**