In my case, I want to invoke a global-forward when a certain attribute is missing from the HTTPSession. I want this rule to be applicable across the whole site, but I don't want to have to include it in every Action subclass.
One possibility is to subclass Action for my site, (say CheckConditionsAction), do the checks in the execute method and forward if the conditions are not met. If the conditions are met, then call an abstract method which is implemented in subclasses of CheckConditionsAction and does the job of the original execute method.
I don't like this approach for two reasons:
1. it changes the way Action is used, and
2. it only works for action forwards with associated classes (i.e. it doesn't work for action forwards defined in struts-config.xml without a type attribute)
Any suggestions would be greatly appreciated.
TIA
Russell
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