How do redirect to another page in GWT?
On 27 abr, 06:29, Sripathi Krishnan <sripathikrish...@gmail.com>
wrote:
> Just have a custom class the extends AsyncCallback, like below, and mandate
> that everybody uses it instead of directly using AsyncCallback.
>
> public abstract class MyAsyncCallback<T> implements AsyncCallback<T> {
>
> public void onFailure(Throwable caught) {
> if(caught instanceof AuthenticationException) {
> //redirect to login page
> }
> else if(caught instanceof AuthorizationException) {
> //tell the user he doesn't have rights to perform this
> operation
> }
>
> try {
> //allow your application to handle the exception
> handleFailure(caught);
> }
> catch(Throwable e) {
> //default application-wide error handling
> }
> }
>
> //provide a default implementation. Code that wants to handle
> exceptions can do so by overriding this method
> //Lazy developers can just ignore it, and the app-wide error handling
> framework will do the needful
> public void handleFailure(Throwable t) throws Exception {
> throw t;
> }
>
> }
>
> --Sri
>
> On 27 April 2010 12:38, StrongSteve <swe.sta...@gmail.com> wrote:
>
>
>
> > Thanks for your quick reply.
>
> > I am just wondering if there is no easier way to do this.
>
> > I mean, adding an exception to all server methods and checking it in
> > every onFailure block does not seem so pratical to me.
>
> > There should be an easier way!
>
> > Thanks in Advance!
> > Stefan
>
> > On Apr 26, 5:08 pm, kozura <koz...@gmail.com> wrote:
> > > Easiest is probably to just create an exception for session timeout,
> > > and throw it on the server side after you check for session validity.
> > > Then put a standard method in your onFailure call to popup the error
> > > when that exception is received.
>
> > > On Apr 26, 8:25 am,StrongSteve<swe.sta...@gmail.com> wrote:
>
> > > > Hi Everbody,
>
> > > > I am looking for a way to implement a session timeout behaviour into
> > > > my GWT application.
>
> > > > On the ServerSide I have a session listener that sets the value for
> > > > the session timeout as soon as a new session is being created.
>
> > > > Now what I would like to do is to present the user a popup as soon as
> > > > the session has experied.
> > > > This does not have to happen automatically. It is also ok to show this
> > > > popup as soon as a new request is addressed against the server.
>
> > > > Now I am looking for some best practices on how to deal with this
> > > > problem.
> > > > I believe some of you have already dealt with similar problem! ;)
>
> > > > Thanks in Advance for your help!
>
> > > > Greetings
> > > > Stefan
>
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