/** @return the out */
 public Writer getOut() {
   Writer out = attributes.getOut(getCurrentRequest());
   if (out == null) {
     try {
       return getCurrentResponse().getWriter();
     } catch (IOException e) {
       throw new ControllerExecutionException(
           "Error retrieving response writer: " + e.getMessage(), e);
     }
   }
   return out;
 }