Liferay 6.2 add multipart File to DL

Multipart Upload to DL

private FileEntry addFileEntry(CommonsMultipartFile multipartFile, long userId, long repositoryId,
			ServiceContext serviceContext, long folderId, String sourceFileName, String mimeType, String title,
			String changeLog, String description) throws PortalException, SystemException {

		FileEntry fileEntry = null;

		try {

			fileEntry = DLAppLocalServiceUtil.addFileEntry(userId, repositoryId, folderId, sourceFileName, mimeType,
					title, description, changeLog, multipartFile.getBytes(), serviceContext);

		} catch (DuplicateFileException dfe) {

			String extention = FileUtil.getExtension(title);
			String strippedTitle = FileUtil.stripExtension(title);
			String newTitle = strippedTitle + StringPool.UNDERLINE + String.valueOf(new Date().getTime())
					+ StringPool.PERIOD + extention;

			fileEntry = addFileEntry(multipartFile, userId, repositoryId, serviceContext, folderId, sourceFileName,
					mimeType, newTitle, changeLog, description);
		}

		return fileEntry;
	}