Extract HTML Body and output as (X)HTML standards

Hi,

I need to read arbitrary HTML (HTML 4 transitional, XHTML 1.0 strict, ...) extract the body as a fragment and output it again as another (XHTML standard).

Reading the file is simple enough:

		Parser p = new Parser(resource);
		NodeFilter f = new NodeClassFilter(BodyTag.class);
		NodeList listOfBodies = p.extractAllNodesThatMatch(f);
		Node firstBody = listOfBodies.elementAt(0);
		NodeList bodyChildren = firstBody.getChildren();
		System.out.println(bodyChildren.toHtml());

>From this hpw can I output either valid HTML 4.0 code or valid XHTML 1.0 code?

Best regards
Oliver 
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