code: public String getXML()
      {
          SOAPMessage message = (SOAPMessage)this.getRawData();
          if (message != null)
              return SOAPMessageTransport.messageToString(message);
          return super.getXML();
      }
docs: Convert this tree to a XML string.
  Override this.
  @param root The room jaxb item.
  @return The dom tree.