EchoString jaxb = factory.createEchoString();
jaxb.setInput("Hello World");
JAXBBlockContext context = new JAXBBlockContext(EchoString.class.getPackage().getName());
JAXBContext jaxbContext = context.getJAXBContext();
JAXBIntrospector jbi = JAXBUtils.getJAXBIntrospector(jaxbContext);
QName expectedQName = jbi.getElementName(jaxb);
// On inbound, there will already be a probably be an OM
// which represents the message. In this scenario, the OM contains
// a OMSourcedElement that is backed by EchoString.
OMFactory omFactory = OMAbstractFactory.getOMFactory();