//@Action(input) =="", get it from @WebMethod(action)
WebMethod webMethod = seiMethod.getAnnotation(WebMethod.class);
String soapAction = "";
if (webMethod != null )
soapAction = webMethod.action();
if(!soapAction.equals("")) {
//non-empty soapAction
if(inputAction.equals(""))
// set input action to non-empty soapAction
inputAction = soapAction;