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Doubt on struts2 Architechture.

 
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source Source

The Struts Action Framework makes it easy to share solutions to these concerns using an "Interceptor" strategy. When you request a resource that maps to an "action", the framework invokes the Action object. But, before the Action is executed, the invocation can be intercepted by another object. After the Action executes, the invocation could be intercepted again. Unsurprisingly, we call these objects "Interceptors."

what is the need of executing the interceptors after action is executed.

Thanks you.
 
Mohana Rao Sv
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I thought interceptors are triggered again after result is rendered, but after action execution and before result rendering they gonna execute. Please correct me if i was wrong.
 
Don't get me started about those stupid light bulbs.
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