Ray-- can't you cast the rebind result to SerializationStreamFactory and use createStreamWriter()/createStreamReader() to throw your own party?
On Wed, Mar 18, 2009 at 10:34 PM, Ray Cromwell <[email protected]>wrote: > > > On Wed, Mar 18, 2009 at 6:11 PM, BobV <[email protected]> wrote: > >> On Wed, Mar 18, 2009 at 7:44 PM, Ray Cromwell <[email protected]> >> wrote: >> > My only criticism of this design is that it only captures a part of the >> use >> > cases where the transport mechanism needs override. That is, it helps in >> > cases where one is making HTTP requests, and needs to modify HTTP >> request >> > parameters or the body, but it leaves out the cases where one can't make >> > direct requests (using XHR). The RequestBuilder stuff is very tightly >> bound >> > to XHR. >> >> It would be possible (if baroque) with this API to substitute in a >> "ScriptTagRequestBuilder" implementation in the doCreate() method. >> > > > I originally tried this approach, but ran into the problem that the Request > class is not abstract enough or decoupled from XHR to pull it off, as well > as being difficult to subclass due to many private/package-protected > methods. > > >> I'll make the unsubstantiated claim that non-XHR transport is a small >> enough portion of the user-base to avoid complicating the client-side >> API as long as you can make that non-XHR transport look like XHR by >> creating a RequestBuilder subclass. > > > I don't have any data to refute that, but I'd offer that two of Google's > major properties APIs: OpenSocial and FriendConnect flat out require > non-XHR, and this touches services with export these APIs (now Orkut, Gmail, > iGoogle, GFC, among others). And that anyone who attempts to create a > cross-domain GWT application that uses RPC will run into it, to the extent > that many GWT users just dump RPC and resort to JSON + script tag injection. > It's one of the often repeated blog tutorials. > > Maybe there's a way to work around the Request class issue. > > -Ray > > >> >> -- >> Bob Vawter >> Google Web Toolkit Team >> > > > > > --~--~---------~--~----~------------~-------~--~----~ http://groups.google.com/group/Google-Web-Toolkit-Contributors -~----------~----~----~----~------~----~------~--~---
