private void printElement(Element e) throws Exception {
OutputFormat of = new OutputFormat(e.getOwnerDocument(), "UTF-8", true);
XMLSerializer xmls = new XMLSerializer(of);
StringWriter sw = new StringWriter();
xmls.setOutputCharStream(sw);
xmls.serialize(e);
System.err.println("element=" + sw.toString());
}
private boolean compareFiles(DataHandler dh1, DataHandler dh2)
throws FileNotFoundException, IOException {