sitemapUrl.setChangefreq(buf.toString().trim());
                    buf = null;
                }
            } else if (PRIORITY_ELEMENT.equals(qName) && buf != null) {
                sitemapUrl.setPriority(buf.toString().trim());
                buf = null;
            }
        }

        @Override
        public void endDocument() {
            // nothing
        }

        /**

            threads[i] =
                    new Thread(crawlerThreadGroup, crawlerThread, "Crawler-" + crawlerContext.sessionId + "-" + Integer.toString(i + 1));
            threads[i].setDaemon(daemon);
            threads[i].setPriority(threadPriority);
        }

        // run
        crawlerContext.setStatus(CrawlerStatus.RUNNING);
        for (int i = 0; i < crawlerContext.numOfThread; i++) {
            threads[i].start();
        }