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diff between Filer class and request processor

 
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in struts 1.X based web application.request processor process the request and response.Then why Filer class needs for an application.what is the diff between both
[ May 10, 2008: Message edited by: jacob deiter ]
 
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Jacob,
Filters were introduced to J2EE after Struts 1.0 came out. For newer code, I would use a filter rather than adding things to the request processor.
 
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