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From Stephen McConnell <mcconn...@apache.org>
Subject Re: First pass Token Counter mailet for ANTI SPAM mailet
Date Mon, 19 Aug 2002 05:38:28 GMT

Chris Means wrote:

>This is my first attempt at developing a mailet...so if I've made a mistake
>about how best to implement this...or if I've just done something dumb in my
>code (cos I'm no Java guru either) please let me know.
>I'm following through with a posting I saw on /. regarding using word
>occurance statistics to be able to filter out SPAM from legit messages.
>Here's the original article: http://www.paulgraham.com/spam.html
>I saw this as a two part development.
>Part 1:
>  Routines for building good/bad word-token statistics.
>Part 2:
>  Using the statistics to route or flag new messages as SPAM or not.
>Attached is my first pass at the code for Part 1.
>As I decided to get familiar with JDBC with James at the same time, I've
>coded this to use JDBC as the repository...that may not be the best approach
>as it introduces a time lag at start up (as it loads the existing
>words/occurances) and at shutdown, as it persists the new statistics back
>into the database.
>Let me know what you guys think of my approach...etc.
>P.S.  Hopefully, there's something I don't understand about how to develope
>under James.  I'm using JBuilder 4 to compile my code, then I've got to
>update the James.bar (which JBuilder doesn't recognize as a jar repository)
>with the new class file, then restart James.  I realize there's probably no
>easy way around restarting James, but it would be nice to skip updating the
>.bar all the time...is there a way to do this?

You can safely rename a xxxx.bar files to xxxxx.jar.
The .bar file was an "old" format supported by Phoenix - it basically 
represebnted a Block packaged as a jar file.  Phoneix today does not do 
anytihg special with respect to .bar files.

Cheers, Steve.


Stephen J. McConnell

digital products for a global economy

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