private void initDirsForEveryEntry(BaseFeed feed, String baseDir) {
        String entryUUID, fullPath;

        for (BaseEntry entry : feed.getEntries()) {
            entryUUID = helper.getMD5Code(entry.getLink().getBytes());
            fullPath = String.format("%s/%s", baseDir, entryUUID);

            if (!helper.isPathExists(fullPath)) {
                boolean success = new File(fullPath).mkdir();
                if (!success) {
                    throw new RuntimeException("can not create dir at path:" + fullPath);
                }
            }
        }
    }