* @param next
*/
private void sendDirectory(final YokeRequest request, final String dir, final Handler<Object> next) {
final FileSystem fileSystem = vertx().fileSystem();
fileSystem.readDir(dir, new AsyncResultHandler<String[]>() {
@Override
public void handle(AsyncResult<String[]> asyncResult) {
if (asyncResult.failed()) {
next.handle(asyncResult.cause());
} else {