OCObject dataObject = app.findDataObject(objectTypePair, uuid);
Message out = exchange.getOut();
OCXDTOSerializer serializer = app.getXDTOSerializer();
OCXMLWriter writer = app.newXMLWriter();
writer.setString("UTF-8");
serializer.writeXML(writer, dataObject);
out.setBody(writer.close(), String.class);
}