Igor,
It seems to work with Link.onClick also.
Cristiano Kliemann wrote:
>
> Yes, it works, at least when the exception is thrown in Button.onSubmit. I
> haven't tried with Link.onClick.
>
>
> igor.vaynberg wrote:
>>
>> have you tried it and does it work?
>>
>> -igor
>>
>>
>> On Feb 15, 2008 1:17 PM, Cristiano Kliemann <[EMAIL PROTECTED]> wrote:
>>>
>>> Hi!
>>>
>>> I have some business runtime exceptions that I want to be automatically
>>> catched and its message rendered in the same page that threw it instead
>>> of
>>> redirecting to an error page.
>>>
>>> Is there a safe way to do that?
>>>
>>> These 'business exceptions' are usually thrown in some specific methods
>>> like
>>> onSubmit and onClick. Extending the specific components is not an option
>>> for
>>> me.
>>>
>>> I did something I think it dangerous. Something like:
>>>
>>> public Page onRuntimeException(Page page, RuntimeException e) {
>>>
>>> Throwable current = e;
>>> while (current != null && !(current instanceof MyBusinessException))
>>> {
>>> current = current.getCause();
>>> }
>>> if (current != null) {
>>> // MyBusinessException detected
>>> page.error("Error: " + current.getMessage());
>>> return page;
>>> } else {
>>> return super.onRuntimeException(page, e);
>>> }
>>> }
>>>
>>> When as exception is thrown, all the execution flow breaks, making some
>>> things not happen. The question is: is the above code safe assuming that
>>> MyException could be thrown only by methods like onSubmit and onClick?
>>> --
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>>>
>>>
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>>>
>>
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>
>
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