import crawlercommons.sitemaps.SiteMapIndex; //导入依赖的package包/类
public List<AbstractSiteMap> getSitemapsForUrl(String sitemapUrl) {
	List<AbstractSiteMap> sitemaps = new ArrayList<>();

	SiteMapParser siteMapParser = new SiteMapParser();
	try {
		Uri uri = Uri.create(sitemapUrl);
		Blob blob = Requesters.of(uri.getScheme()).get().get(uri);
		String contentType = blob.getMetadata().getContentMetadata().contentType() != null ? blob.getMetadata().getContentMetadata().contentType()
				: "text/xml";

		AbstractSiteMap sitemap = siteMapParser.parseSiteMap(contentType, IOUtils.toByteArray(blob.getPayload().openStream()), new URL(sitemapUrl));

		if (sitemap.isIndex()) {
			sitemaps.addAll(((SiteMapIndex) sitemap).getSitemaps());
		} else {
			sitemaps.add(sitemap);
		}
	} catch (Exception e) {
		log.debug("", e);
	}
	return sitemaps;
}
 

import crawlercommons.sitemaps.SiteMapIndex; //导入依赖的package包/类
XMLIndexHandler(URL url, LinkedList<String> elementStack, boolean strict) {
    super(elementStack, strict);
    sitemap = new SiteMapIndex(url);
    sitemap.setType(SitemapType.INDEX);
    loc = new StringBuilder();
}