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Intercepting filter and Front Controller patterns issues.

 
Steven Colley
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Hi,

I got a litlle confused with some issues reagrding "IF" and "FC".

1 - What is the best pattern for "authentication" and "authorization" issues?

2- What is teh best pattern for validing request params?

Tks.

cya
 
Connie Ky Leung
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Originally posted by Felipe Pittella:
Hi,

I got a litlle confused with some issues reagrding "IF" and "FC".

1 - What is the best pattern for "authentication" and "authorization" issues?

2- What is teh best pattern for validing request params?

Tks.

cya


1) If the logic of authentication and authorization is common for all or a lot of servlets in a web application, then you should encapsulate the logic in a filter class. I had a question in similar context during the exam, I chose Intercepting Filter pattern and was marked correct.

2) I will say Front Controller because Strut allows developer to define a form bean to validate request parameters and then forward the request to appropriate page based on the result of the validation.

Please correct me if I am wrong.
 
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