public Attachment[] getRequestAttachments() {
   return multipartMessageSupport == null
       ? new Attachment[0]
       : multipartMessageSupport.getAttachments();
 }
 public String getRequestContent() {
   return multipartMessageSupport == null
       ? requestContent
       : multipartMessageSupport.getContentAsString();
 }
 public void setOperation(WsdlOperation operation) {
   if (multipartMessageSupport != null) multipartMessageSupport.setOperation(operation);
 }