DataHandler dataHandler = new DataHandler(fileDataSource);
String attachmentID = mc.addAttachment(dataHandler);
SOAPFactory fac = OMAbstractFactory.getSOAP11Factory();
SOAPEnvelope env = fac.getDefaultEnvelope();
OMNamespace omNs = fac.createOMNamespace(
"http://service.soapwithattachments.sample", "swa");
OMElement uploadFile = fac.createOMElement("uploadFile", omNs);
OMElement nameEle = fac.createOMElement("name", omNs);
nameEle.setText(destinationFile);
OMElement idEle = fac.createOMElement("attchmentID", omNs);