long fileEntryTypeId = ParamUtil.getLong(
serviceContext, "fileEntryTypeId", -1L);
Map<String, Fields> fieldsMap = getFieldsMap(
serviceContext, fileEntryTypeId);
DLFileEntry dlFileEntry = dlFileEntryLocalService.updateFileEntry(
userId, fileEntryId, sourceFileName, mimeType, title, description,
changeLog, majorVersion, fileEntryTypeId, fieldsMap, null, is, size,
serviceContext);