SourceTransformer transformer = new SourceTransformer();
QName serviceName = new QName("http://jaxws.components.servicemix.org/", "AddNumbersImplService");
String file = "requestWithEnvelope.xml";
Object answer = requestServiceWithFileRequest(serviceName, file);
if (answer instanceof Source) {
answer = transformer.toDOMNode((Source) answer);
}
assertTrue("Should return a DOM Node: " + answer, answer instanceof Node);
Node node = (Node) answer;
System.out.println(transformer.toString(node));
String text = textValueOfXPath(node, "//return").trim();