A diff for two XML-InputStreams

isSameXMLContent

private static boolean isSameXMLContent(InputStream s1, InputStream s2)
throws ParserConfigurationException, SAXException, IOException {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setNamespaceAware(true);
        dbf.setCoalescing(true);
        dbf.setIgnoringElementContentWhitespace(true);
        dbf.setIgnoringComments(true);
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document doc1 = db.parse(s1);
        doc1.normalizeDocument();
        Document doc2 = db.parse(s2);
        doc2.normalizeDocument();
        return doc1.isEqualNode(doc2);
}