Thanks and keep on with the good works at Restlet. For those interested in the issue, GWT 2.0 seems to offer solution in JsonpRequestBuilder http://google-web-toolkit.googlecode.com/svn/javadoc/2.0/index.html? overview-summary.html
Duong BaTien DBGROUPS and BudhNet On Mon, 2009-12-21 at 18:03 +0100, Thierry Boileau wrote: > Hello Duong, > > >Yes, this is what I referred to: Same Origin Policy (SOP) of browser. I > >have explored GWT StockWatcher for cross-site JSONP request/response. > > I wonder if you should instead explore the track of a kinf of reverse > proxy implemented by a Restlet redirector. > The ajax request goes to the redirector (with the target url as a query > parameter for example) which then relays to the target url. > > >I wonder if GWT Reslet client has that facility in place?. > > A ClientResource instance is dedicated to a single resource (ie a single > URI). Thus you can multiply the clientresource/callback pairs. > > > Best regards, > Thierry Boileau > >> Hello Duong, > >> > >>> 1) Whether the Restlet client has the Same Server Origin (SSO) > >>> restriction as with JavaSript? > >>> > >>> > >> Actually, this is at the end pure javascript code, so the restriction > >> applies plainly. > >> see http://code.google.com/p/google-web-toolkit-doc-1-5/wiki/FAQ_SOP > >> > >> > > Yes, this is what I referred to: Same Origin Policy (SOP) of browser. I > > have explored GWT StockWatcher for cross-site JSONP request/response. > > > > > >>> 2) If there is SSO restriction as in the case of JavaScript, are there > >>> facilities to manage request/response from the client to different > >>> servers to make sure that the response coming from its request? > >>> > >> I'm sorry, I'm not sure to fully understand your question. > >> > > > > In that cross-site mashup, one needs a facility to store requested > > callbacks so it can cancel the no-response callback after certain time > > lapsed and identify the callback actually coming from its request. This > > may require a facility more sophisticated than just a HashMap of > > callbacks as shown in GWT StockWatcher. I wonder if GWT Reslet client > > has that facility in place?. > > > >>> Same as the server to make sure that the request comes from legitimate > >>> clients? > >>> > >>> > >> Since the server exposes resources to the whole Web, I suppose you are > >> talking about the "authentication" topic. You want the server to check > >> that the incoming request comes from an authenticated client. It can use > >> one of the available authentication mechanism such as HTTP_BASIC, > >> HTTP_DIGEST, HTTP_BASIC+HTTPS, cookies, etc. > >> > > > > It is much more complicated than that. When the server serves a > > resource, it identifies the request with a user profile and its unique > > token. If the user has not been authenticated, then guest Id with > > location may be in the user profile. When user is authenticated, the > > profile is changed accordingly. User second request and/or client state > > maintained at the browser always has the server token so the server know > > the client state, and if required can be directed to Authentication > > process. > > > > I wonder if Restlet and/or anyone has explored this area working with > > GAE. I am also exploring Google Wave where Wave robots are at the Web > > Server served by servlet urls. The web server uses Reslet for resource > > Request/Response to be integrated with Wave server. Any comment in this > > area is appreciated. > > > > Thanks > > Duong BaTien > > DBGROUPS and BudhNet > > > >> Best regards, > >> Thierry Boileau > >> > >> > >> > >>> Thanks > >>> Duong Batien > >>> DBGROUPS and BudhNet > >>> > >>> > >>> On Thu, 2009-12-17 at 09:38 +0100, Thierry Boileau wrote: > >>> > >>> > >>>> Hello Robert, > >>>> > >>>> >Is restlet appropriate for this needs? > >>>> yes, as any other kind of server! > >>>> > >>>> >How would you realize the communication between Client (Javascript) > >>>> and Server (Java) with the help of restlet? > >>>> Ajax, surely. When the user click on the load button, the second frame > >>>> is refreshed and the URL of the target page is sent to the server > >>>> resource by the ajax client (which is better than sending the whole > >>>> document). The targeted resource retrieves the HTML page (which can be > >>>> tidied using *http://tidy.sourceforge.net > >>>> <http://tidy.sourceforge.net/>). The server resource then returns data > >>>> (rdf or xml, or json, etc) to the ajax client in order to refresh the > >>>> main frame. > >>>> > >>>> *So, one server resource either accepting GET request (with a query > >>>> parameter that contains the target URI), or accepting POST requests > >>>> (with the target URI in the body). It returns either RDF, XML, etc > >>>> according to the client preferences. > >>>> > >>>> Best regards, > >>>> Thierry Boileau > >>>> > >>>> > >>>>> Hey! > >>>>> > >>>>> I want to develop a webapplication with the following functionality: > >>>>> > >>>>> 0) overview: http://dl.dropbox.com/u/1266822/overview.jpg > >>>>> > >>>>> 1) The html,css,javascript content is delivered by the server. > >>>>> 2) The page consists of 2 frames. the second one loads the webpages the > >>>>> user wants to open. > >>>>> 3) The server receives the DOM of the loaded page. > >>>>> 4) The client receives data in the form of rdf or xml. > >>>>> > >>>>> > >>>>> Is restlet appropriate for this needs? How would you realize the > >>>>> communication between Client (Javascript) and Server (Java) with the > >>>>> help of restlet? > >>>>> Would be really nice if you could give me a short overview of what I > >>>>> have to take care of. > >>>>> > >>>>> Thanks in advance, > >>>>> Robert > >>>>> > >>>>> ------------------------------------------------------ > >>>>> http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2430835 > >>>>> > >>>>> > >>>>> > >>>>> > >>>> ------------------------------------------------------ > >>>> http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2431075 > >>>> > >>>> > >>> ------------------------------------------------------ > >>> http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2431201 > >>> > >>> > >>> > >> ------------------------------------------------------ > >> http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2431515 > >> > > > > ------------------------------------------------------ > > http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2431626 > > > > > > ------------------------------------------------------ > http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2432040 ------------------------------------------------------ http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2432090
