If you use Spring Security you can also check against the SecurityContext.
Regards,
Otho
2008/12/11 Allex Juang <[EMAIL PROTECTED]>
> Thanks Peter, It works.
>
> Allex J.
>
> Peter Stavrinides 提到:
>
>> Use an application state object (it is session scoped), so on your login
>> page you could have:
>>
>> @ApplicationState
>> private UserStateTracker stateTracker;
>>
>> @InjectPage
>> private Home homePage;
>>
>> Object onActivate(){
>> if(stateTracker.isSignedIn()){
>> //user is already signed in so redirect
>> return homePage;
>> }
>> }
>>
>>
>> If you need something slightly more complex (i.e.:filtering per request)
>> then you need to implement a request filter and do the checking there:
>>
>> public class PageAccessController implements RequestFilter {
>>
>> public PageAccessController(ApplicationStateManager asm) {
>> asm_ = asm;
>> }
>>
>> public boolean service(Request request, Response response,
>> RequestHandler handler) throws IOException {
>> UserStateTracker stateTracker =
>> asm_.get(UserStateTracker.class);
>>
>> if(!stateTracker.isSignedIn())
>> //user is not signed in so redirect him to the login page
>>
>> }
>>
>>
>> }
>>
>> You also will need a contribution in your AppModule:
>> public static void contributeRequestHandler(
>> OrderedConfiguration<RequestFilter> configuration,
>> @InjectService("TimingFilter") RequestFilter
>> filter, @InjectService("PageAccessController")
>> RequestFilter pageAccessController) {
>> configuration.add("Timing", filter);
>> configuration.add("PageAccessController",
>> pageAccessController,
>> "before:PageRender");
>> }
>>
>> cheers,
>> Peter
>>
>> ----- Original Message -----
>> From: "Allex Juang" <[EMAIL PROTECTED]>
>> To: "Tapestry users" <users@tapestry.apache.org>
>> Sent: Wednesday, 10 December, 2008 9:31:29 AM GMT +02:00 Athens, Beirut,
>> Bucharest, Istanbul
>> Subject: Redirect before page render
>>
>> Hi,
>>
>> I have a Login page, and user will navigate to, say, Work page after
>> success authenticate process.
>> But when an authenticated user access Login page, I wish to just redirect
>> to Work page.
>> How can I do that?
>>
>> Allex J.
>>
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