In Apache JAMES we have a multimodule project depending on javamail.
We want to easily switch from sun's javamail to geronimo javamail and
back for testing purposes.
What is the maven best practice for this?
I don't want to go through all of our modules dependencies and alter
their declaration and at the same time I don't want my parent pom (in
the multimodule root) to include a dependency on that as not all of the
modules should require javamail.
I currently added
<properties>
<javax.mail.groupId>org.apache.geronimo.javamail</javax.mail.groupId>
<javax.mail.artifactId>geronimo-javamail_1.4_mail</javax.mail.artifactId>
<javax.activation.groupId>org.apache.geronimo.specs</javax.activation.groupId>
<javax.activation.artifactId>geronimo-activation_1.1_spec</javax.activation.artifactId>
<!--
<javax.activation.groupId>javax.activation</javax.activation.groupId>
<javax.activation.artifactId>activation</javax.activation.artifactId>
<javax.mail.groupId>javax.mail</javax.mail.groupId>
<javax.mail.artifactId>mail</javax.mail.artifactId>
-->
</properties>
to my main pom and then used similar snippets in child poms:
<dependency>
<groupId>${javax.mail.groupId}</groupId>
<artifactId>${javax.mail.artifactId}</artifactId>
</dependency>
Is this the best way?
I would have preferred a way in dependencyManagement to declare that a
given artifact already provides/substitute another artifactId/groupId
because I will not be able to always tune childs this way and also I
have to manually exclude sun's javamail dependency from any other
dependency I have otherwise I end up with both implementations included
in the classpath.
Stefano
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