@Override
public void extract(MetadataTarget target, CachedUrl cu, Emitter emitter) throws IOException {
ArticleMetadata am = new SimpleHtmlMetaTagMetadataExtractor().extract(target, cu);
am.cook(tagMap);
String url = am.get(MetadataField.FIELD_ACCESS_URL);
ArchivalUnit au = cu.getArchivalUnit();
if (url == null || url.isEmpty() || !au.makeCachedUrl(url).hasContent()) {
url = cu.getUrl();
}
am.replace(
MetadataField.FIELD_ACCESS_URL,
HttpToHttpsUtil.AuUtil.normalizeHttpHttpsFromBaseUrl(au, url));
emitter.emitMetadata(cu, am);
}