If you have multiple modules in the same app, you would need to do the same thing for all of them.I guess that's true, but subclassing the request processor doesn't take much. And I only need to over ride processpreprocess to get my stuff done, its like 20 lines of code. Anything else that's fundamentally wrong with this approach?
If you switch an app from using the standard RequestProcessor to the Tiles one, you need to change which class you are subclassing in your preprocessor version, since Java doesn't support multiple inheritance.
On the other hand, you might not be running on a Servlet 2.3 or later platform, so filters aren't an option for you.
This isn't a "right versus wrong" decision ... it should be a decision based on minimizing the long term maintenance costs for *your* particular environment.
Craig
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