Local proxy question

Is it possible to install a proxy locally (on Windows XP) and redirect, for example, all traffic from "google.com" to "yahoo.com".

If I call http://www.google.com/test it should redirect it to http://www.yahoo.com/test and return the response from yahoo.

Long story sh开发者_JAVA百科ort : I have an old program and there is a URL used in it (for a Web service), but the value of the URL is compiled in the app. For now, it's connecting in production but I'd like to make some tests in QA, so I would just redirect the URL "http://prod.webservice.website.com" to "http://qa.webservice.website.com" without having to recompile the old application.

Maybe Fiddler will do the job. It's a local proxy that is capable of transforming requests.

You can setup a host file (or edit), if it's just your computer. Would that suffice?