}
if (command != null && !command.isEmpty()) {
guiData.startProgressIndicator(hostName, "Executing command");
}
host.execCommand(new ExecCommandConfig().command(command)
.execCallback(new ExecCallback() {
@Override
public void done(final String answer) {
if (command != null && !command.isEmpty()) {
guiData.stopProgressIndicator(hostName, "Executing command");
}