Web Service With Dynamic URL (Very Basic Conceptual Question)

Hi everyone,
I would like to employ JAX-WS to generate and publish a web service along with a web-based client which uses the service. The problem is: I want to deliver both the server (with its service) and the client to a customer, who will install the server on an internal machine, and who will have to configure the client to look for the web service at the IP of that internal machine, ideally by just putting the IP into some configuration setting. Both the services' path (on the server) as well as the services remain constant.
From everything I have found so far, it appears as if one fixes the service's IP during compilation, i.e., when generating the WSDL and stubs using wsgen/wsimport. I guess that's fine when the server remains with me & a fixed IP, but doesn't this approach break down as soon as you need some flexibility in the server's IP, as, e.g., in my above scenario? I guess I am missing something, but unfortunately all the documentation I have found so far either neglects this issue or comes up with rather complex solutions indeed. - Or would one not use SOAP+WSDL in the above scenario in the first place? Any other best practices?
I'd very grateful for any hints,
Message was edited by:

thanks for your reply. Of course, I agree I could alter the generated code, but, as you say, I would not want to do that, since it will make automatic builds and deployment rather complicated.
I guess my expectations on the "flexibility"/"design" of some of the generated artifacts is just a bit skewed, and I'll have to find a compromise between my expectations and the Java 6 way of web services. For instance, I also find it somewhat annoying that wsgen will apparently only generate the service against an implementing class, not an interface. E.g., when I have the following web service interface MyService and an implementing class MyDummyService:
public interface MyService
    public String getString();
@WebService(endpointInterface = "com....MyService")
public class MyDummyService implements MyService {
   public String getString() {
      return "Just a dummy.";
}Then the service in the WSDL specifies its Port as "MyDummyServicePort", so if I ever change the implementation---without actually changing the (web service) interface, I will also have to regenerate all client stubs. I would have hoped that wsgen's "service" option would help in this regard, but apparently it doesn't. Unfortunately, the documentation on the whole issue is in a pitiful state, IMHO.

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