[Seaside] Hierarchy of WAHtmlErrorHandlers

[jtuchel at objektfabrik.de]

Hi Philippe,

You mean register a general one first and the special one second?

Joachim



Am 17.07.17 um 15:55 schrieb Philippe Marschall:
> On Mon, Jul 17, 2017 at 2:50 PM, jtuchel at objektfabrik.de
> <jtuchel at objektfabrik.de> wrote:
>> Dear Seasiders
>>
>>
>> I'd like to register a special HTM Error Handler for some Exceptions and one
>> for all others.
>>
>> I've seen there is a class Method #exceptionSelector in WAErrorHandler,
>> where you can define the Exceptions that the handler wants to handle.
>> Of course things are not so easy, because I want one handler for all Errors
>> and one for my special exception type, which, of course, is a subtype of
>> Error.
>>
>> Ho do I either
> I would try the following, add to two WAExceptionFilters
> - the first handles all errors and has an HTML error handler
> - the second handles your specific exception type and has an error
> handler that does your thing
>
> If you look at the source of WAExceptionFiler >> #handleFiltered: and
> WAExceptionHandler >> #handleExceptionsDuring: you'll end up two two
> nested #on:do: blocks which is probably what you want.
>
> Cheers
> Philippe
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