private Date createFetchTimeDate(Page page) {
        Date fetchTime;
        if (page.getFetchTime() != 0L) {
            fetchTime = new Date(page.getFetchTime());
        } else {
            fetchTime = new Date(System.currentTimeMillis());
        }
        return fetchTime;
    }
Returns Iterator of WarcReader

@return
@throws IOException
ache/src/main/java/achecrawler/target/repository/WarcTargetRepository.java