if (!Strings.isNullOrEmpty(directory)) {
opt = opt.inDirectory(directory);
}
for (StorageMetadata md : blobStore.list(container, opt.maxResults(maxMessagesPerPoll).recursive())) {
String blobName = md.getName();
if (md.getType().equals(StorageType.BLOB)) {
if (!Strings.isNullOrEmpty(blobName)) {
InputStream body = JcloudsBlobStoreHelper.readBlob(blobStore, container, blobName);
if (body != null) {