For #4, I too am looking for a good way to propagate information through
the action chain.
I'm using the model driven interceptor, so combined with the parameter
interceptor, it's a great system for populating my models and it's a
short save() away from persisting via Hibernate.
I was trying break out my actions into different pieces of a chain so I
could reuse it, but it seems that the
ActionContext.getContext().getParameters() map is unmodifiable. So if i
create an ID higher up the chain, I cannot retrieve it down the chain (
without using explicit notation in the valuestack ).
That causes problems since it limits reuse and reordering, a key part of
why I want to use WebWork2 and it's ActionChains
The only way that I have come across is to create a request scoped
HashMap component that would allow something higher up the chain to set
a value and something lower down that chain to retrieve it.
This isn't a showstopper by design, because with careful use of the
PrepareInterceptor, I can still retain a high degree of decoupling and
reusability, but I am curious to know if there is another ( read better
) way I should be approaching this.
-a
by the way, I think I have enough familiarity with the system to help
with documentation, which seems to be in great need. where do i sign up?
On Tue, 2003-11-11 at 04:22, Grzegorz Mucha wrote:
> Hi all!
>
> A couple of quick questions:
>
> 1. Is the current notation for label/name tag attrbutes here to stay?
> (ie. do I have to quote the literal values for those attributes)?
>
> 2. I've a problem with integer conversion - a dropdown select has a list
> of values, most of them are integers save for the headerKey (it's an
> empty string). When I don't select anything in the dropdown and submit
> the form, I get an exception in the CompoundRootAccessor class). Isn't
> the conversion supposed to convert null/empty string/meaningles data
> simply to zero?
>
> 3. Could you give an example of using checkbox tag? From what I've
> observed, there's no way of changing the value attribute of the HTML tag
> (or simply I've found none).
>
> 4. I believe at some time there was a hack in ActionChainResult that
> copied the properties from one action to another - the current code only
> pushes the preceding action to the VS (and in case I want to use the
> customerId property from the previous action, I've to use something like
> valueStack.findValue("[1].customerId") - is there any shortcut for that?
>
> TIA,
> Greg
>
>
>
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