Niall Pemberton wrote:
More info on the circumstances would be helpful..
1) How Often - just for one particular Action, for all Actions or somewhere
in between?
I'm looking for a generic solution for about 6 to 10 Actions that all
work on a set of objects.
2) What kind of ActionForms are you using - regular or DynaActionForm?
Regular
3) Are you using the validator framework?
No, just validate(...) methods.
Having said that there are a number of possibilities
1) Put the check in the ActionForm validate method, before you do your other
validations.
Problem is, I can't forward from the ActionForm, if an error occurs then
its off to "input" before I could forward in the Action.
2) Set the validate="false" in the struts-config.xml - Struts won't then
call the ActionForm's validate() method. You could then do the check in your
Action and if its OK then call the ActionForm's validate method yourself
from the Action's execute method. Smething like...
// Check if Stale
ActionErrors errors = null;
if (isStale()) {
errors = new ActionErrors();
errors.add(....);
saveErrors(request, errors);
return mapping.getInputForward();
}
// Do ActionForm validation
errors = form.validate(mapping, request);
if (errors != null && errors.size() > 0)
saveErrors(request, errors);
return mapping.getInputForward();
}
This is probibly the approach I will need to take.
3) If its something you want to do for every Action you could put the above
option in a 'base' Action that you extend all your Action's from.
Alternatively you could implement your own custom RequestProcessor -
overriding the processValidate() method - you would have to duplicate the
code to forward to the input though.
Oof, not sure I want to go that far yet.
-thanks!
Mark
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