title: CXF: Logging request and response
body: <p>I have a soap web service and I want to log the response and the request as xml strings.
  I know about interceptors but for some reason, that does not matter, I can't use them. 
  How can I construct the xml request (and response) from the object that the xml messages get unmarshaled to? How can I remarshal the object to a xml string? </p>
  
  <p>Thank you for your help.</p>