Overriding status code on http response for soap service

[William Blackburn]

I have implemented a webservice and successfully exposed it via soap  
using CXF. I have now been asked to set an http response code of 404  
under certain conditions. Though I am not in agreement with straying  
into unspecified behavior, I don't have much choice in the matter. I  
have tried everything I could find in the documentation to do this,  
but cannot make it work.

I have successfully acquired the web service context using:
    @Resource
    WebServiceContext wsc;

At the point I usually return a value from the service, I have tried  
both:

    MessageContext context = wsc.getMessageContext();
    context.put(Message.RESPONSE_CODE, new Integer(404));

and

    HttpServletResponse response = (HttpServletResponse)  
context.get(AbstractHTTPDestination.HTTP_RESPONSE);
    response.setStatus(new Integer(404));

In either case, the status code actually received is 200/OK

What, if any, is the proper way to do this?

Thanks in advance for any help.