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What is Intercepting Filter pattern?

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What is Intercepting Filter pattern?

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What is Intercepting Filter pattern?

The intercepting filter design pattern is used when we want to do some pre-processing / post-processing with request or response of the application. Filters are defined and applied on the request before passing the request to actual target application. Filters can do the authentication/ authorization/ logging or tracking of request and then pass the requests to corresponding handlers.

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