Thanks Eelco, your example was extremely helpful and I agree that the API is
not obvious when it comes to this type of stuff. It also doesn't help when
the javadoc for RequestCycle.onRuntimeException refers to
"DefaultExceptionResponseStrategy" which does not exist in 1.3.
Thanks
Craig
Eelco Hillenius wrote:
>
> You can return the page you want to be displayed and have full
> control. I know the API currently is non-obvious; I complained about
> this in another thread.
>
> For example, this is what I'm using for the project I'm working on:
>
> ....
> public Page onRuntimeException(Page page, RuntimeException e) {
>
> if (e instanceof AuthorizationException) {
> return super.onRuntimeException(page, e);
> } else if (e instanceof PageExpiredException) {
> Ts4Session session = Ts4Session.get();
> if (session.isTemporary() || session.getUserId() ==
> null) {
> // this was an actual session expiry
> log
> .info("session expired and
> request cannot be honored, cycleId: "
> + cycleId);
> return super.onRuntimeException(page, e);
> } else {
> log.error("unable to find page for an active
> session!");
> // hmmm, we have a logged in user, but the page
> could not be
> // found. Fall through to display an error page
> or exception
> // page
> }
> }
>
> if (Application.DEPLOYMENT.equals(Application.get()
> .getConfigurationType())) {
> return new ErrorPage(e, page, cycleId);
> } else {
> return new ExceptionErrorPage(e, page);
> }
> }
>
> eelco
>
>> Overriding the onRuntimeException does not work because you don't have
>> access
>> to the page that you are directing to. The page parameter in this method
>> if
>> the context from where the exception was thrown.
>>
>> -Craig
>>
>>
>>
>> Rüdiger_Schulz wrote:
>> >
>> > Make a subclass of WebRequestCycle, and override onRuntimeException().
>> > Works like a charm for me.
>> >
>> > 2007/5/22, craigdd <[EMAIL PROTECTED]>:
>> >>
>> >> True the wicket session is mandatory, thanks for pointing that out.
>> >>
>> >> As for my question though, I'm looking for the best way to implement
>> this
>> >> strategy. I could override the respond method in RequestCycle, but
>> I'd
>> >> have
>> >> to rewrite the given logic, which most of it I want. I'm wondering if
>> >> there
>> >> are any other hooks that I can implement that leaves the respond
>> method
>> >> alone but have the exception and internal page available.
>> >>
>> >> -Craig
>> >>
>> >>
>> >>
>> >> Mr Mean wrote:
>> >> >
>> >> > As far as i know the wicket session is mandatory in wicket but that
>> >> > does not mean you have to use it to store information. Other then
>> that
>> >> > i see no reason why your proposed strategy should not work.
>> >> >
>> >> > Maurice
>> >> >
>> >> > On 5/22/07, craigdd <[EMAIL PROTECTED]> wrote:
>> >> >>
>> >> >> Basically what I want to do is set the internal error page to my
>> own
>> >> >> internal
>> >> >> page, i.e. my login page, and add a message from the a resource
>> >> bundle,
>> >> >> .properties file, that includes an error code that is generated
>> from
>> >> an
>> >> >> internal RuntimeException. Another requirement is that a Session
>> is
>> >> >> optional, meaning that this should work with or without a Session.
>> >> >>
>> >> >> -Craig
>> >> >>
>> >> >>
>> >> >> craigdd wrote:
>> >> >> >
>> >> >> > What is the best way to implement your own exception strategy in
>> >> wicket
>> >> >> > 1.3? I want to add some added logic to my application when an
>> >> >> unexcepted
>> >> >> > exception occurs. During this added logic I want a handle on the
>> >> page
>> >> >> > that is being redirected to, ie the internal error page.
>> >> >> >
>> >> >> > Thanks
>> >> >> > Craig
>> >> >> >
>> >> >>
>> >> >> --
>> >> >> View this message in context:
>> >> >>
>> >>
>> http://www.nabble.com/Exception-Strategy-in-1.3-tf3793570.html#a10730008
>> >> >> Sent from the Wicket - User mailing list archive at Nabble.com.
>> >> >>
>> >> >>
>> >> >>
>> >>
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>> >> >
>> >>
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>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://www.nabble.com/Exception-Strategy-in-1.3-tf3793570.html#a10737906
>> >> Sent from the Wicket - User mailing list archive at Nabble.com.
>> >>
>> >>
>> >>
>> -------------------------------------------------------------------------
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>> >
>> >
>> > --
>> > greetings from Berlin,
>> >
>> > Rüdiger Schulz
>> >
>> > www.2rue.de
>> >
>> >
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>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/Exception-Strategy-in-1.3-tf3793570.html#a10742036
>> Sent from the Wicket - User mailing list archive at Nabble.com.
>>
>>
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>
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