private static String getTitle(Source source) {
Element titleElement = source.getFirstElement(HTMLElementName.TITLE);
if (titleElement == null) return null;
// TITLE element never contains other tags so just decode it collapsing whitespace:
return CharacterReference.decodeCollapseWhiteSpace(titleElement.getContent());
}
/**
* Returns the textual content inside the given HTML element from the given HTML source. Returns
* null if the HTML element is not found.
*/
private String getElementContent(Source source, String elementName) {
Element el = source.getNextElement(0, elementName);
return el == null ? null : CharacterReference.decode(el.getTextExtractor().toString());
}