Saxon9.6-HE
http://saxon.sourceforge.net/
saxson9-xqj
XQDataSource ds = new SaxonXQDataSource();
XQConnection xqjc = ds.getConnection();
XQPreparedExpression xqje = xqjc.prepareExpression(new FileInputStream("xml\\foo.xquery"));
XMLInputFactory factory = XMLInputFactory.newInstance();
XMLStreamReader streamReader = factory.createXMLStreamReader(new FileReader("xml\\foo.xml"));
xqje.bindDocument(XQConstants.CONTEXT_ITEM,streamReader, xqjc.createDocumentType());
XQResultSequence xqjs = xqje.executeQuery();
xqjs.writeSequence(System.out, null);