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Chaining formatters?
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mkloster  
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 More options Aug 15 2012, 5:19 pm
From: mkloster <mikeklos...@gmail.com>
Date: Wed, 15 Aug 2012 14:19:00 -0700 (PDT)
Subject: Chaining formatters?
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Can formatters be chained? That is, can a logger have multiple formatters
applied to it? It appears calling [logger setFormatter] replaces the
previous formatter.

Use case could be to use a formatter which applies a logging format, and
another which functions as a whitelist filter.

thanks,
Michael


 
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Discussion subject changed to "Re : Chaining formatters?" by Robbie Hanson
Robbie Hanson  
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 More options Aug 15 2012, 11:00 pm
From: Robbie Hanson <robbiehan...@deusty.com>
Date: Wed, 15 Aug 2012 20:00:40 -0700
Local: Wed, Aug 15 2012 11:00 pm
Subject: Re : Chaining formatters?
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I've considered something like this in the past...  

When I was first designing lumberjack, and researching other logging frameworks, I noticed things like separation of filters and formatters and chained formatters, etc. Ultimately I decided to "keep it simple".  A formatter is a filter is a formatter. I felt that keeping the architecture conceptually simple (at least at this level) would pay off. My intent is that complexity can be added within the formatter itself. For example, one could craft a "formatter container" which accepts a list of independent formatters, and applies them serially. This allows for advanced techniques such as chaining, headers/footers, etc.

I hope this helps. Let me know your thoughts.  

--  
Robbie Hanson
Sent with Sparrow (http://www.sparrowmailapp.com/?sig)

Le mercredi 15 août 2012 à 14:19, mkloster a écrit :


 
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