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Article:
  A Look at Commons Chain, Part 1
Subject:   commons mire
Date:   2005-03-03 07:26:51
From:   t.cowan
Response to: commons mire

that's a good point I've not heard many make but needs to be dealt with. Each commons jar should be independent. Instead of using commons-logging or log4j, for example, it would use a logger interface, and have the dependency injected in any number of ways.
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This concept has been in usage in the JDK with things like JDBC drivers, JAXP parsers and transformers, and while having to
-DfooConcrete=my.foo.Implementation is sometimes inconvenient, it's certainly better than having to include 5 to 10 commons jars when you really only want one of them.