File tempFile = File.createTempFile("temp-", ".xml");
try {
// Read response into temporary file
req.executeLarge(tempFile);
List<Namespace> namespaces = new ArrayList<Namespace>();
namespaces.add(Namespace.getNamespace("gml", "http://www.opengis.net/gml"));
XmlElementReader reader = new XmlElementReader(new FileInputStream(tempFile), "gml:featureMembers/*", namespaces);