CloudStorage.java

	public StorageObject uploadFile(String bucketName, File file, String remoteDirectory) throws Exception {
		InputStream stream = new BufferedInputStream(new FileInputStream(file));

		try {
			InputStreamContent mediaContent = new InputStreamContent("application/octet-stream", stream);
			mediaContent.setLength(file.length());
			Storage.Objects.Insert insert = storage.objects().insert(bucketName, null, mediaContent);
			insert.getMediaHttpUploader().setDisableGZipContent(true);
			if (mediaContent.getLength() > 0 && mediaContent.getLength() <= 2 * 1000 * 1000 /* 2MB */) {
				insert.getMediaHttpUploader().setDirectUploadEnabled(true);
			}
			insert.setName(Joiner.on('/').join(remoteDirectory, file.getName()));

			return insert.execute();
		} finally {
			stream.close();
		}
	}