file.delete();
            file.mkdirs();
            file.deleteOnExit();
            fileTransformer.setPath(file.getAbsolutePath());
            crawler.setBackground(true);
            ((UrlFilterImpl) crawler.urlFilter).setIncludeFilteringPattern("$1$2$3.*");
            crawler.addUrl(url);
            crawler.getCrawlerContext().setMaxAccessCount(maxCount);

                    }
                });
            }

            if (logger.isDebugEnabled()) {
                logger.debug("Crawling {}", urlsStr);
            }

            crawler.setBackground(true);
            crawler.setThreadPriority(crawlerPriority);

            crawlerList.add(crawler);
            crawlerStatusList.add(Constants.READY);
        }

        // File

    /**
     * Sets the background mode for the crawler.
     * If true, the execute method will not wait for termination.
     * @param background true to run in background, false otherwise.
     */
    public void setBackground(final boolean background) {
        this.background = background;
    }

    /**
     * Checks if the crawler threads are daemon threads.
     * @return true if daemon threads, false otherwise.
     */