XMLStreamWriter xsw = soutfactory.createXMLStreamWriter(sw);
xout.output(content, xsw);
xsw.close();
String expect = sw.toString();
StAXStreamBuilder sbuilder = new StAXStreamBuilder();
XMLStreamReader xsr = sinfactory.createXMLStreamReader(new StringReader(expect));
// assertTrue(xsr.getEventType() == XMLStreamConstants.START_DOCUMENT);
// assertTrue(xsr.hasNext());
// xsr.next();
List<Content> backagain = sbuilder.buildFragments(xsr, new DefaultStAXFilter());
// convert the input to a SAX Stream
sw.getBuffer().setLength(0);
xsw = soutfactory.createXMLStreamWriter(sw);