/*
* Append DataTransfer state information if debug mode is enabled.
*/
if (presence != null && presence.isAvailable()) {
final NetTransferMode transferMode = dataTransferManager
.getTransferMode(jid);
if (transferMode != NetTransferMode.NONE) {
styledString.append(
" " + MessageFormat.format(connected_using, transferMode), //$NON-NLS-1$