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http://jira.codehaus.org/browse/MNG-1957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_101065
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Carl Johansson commented on MNG-1957:
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I just had brief look at the code and to me, implementing VersionRange-like
syntax, comes down to three choices:
* Use the existing VersionRange classes (which seems rather artifact
dependendant, at least when it comes to naming. It's coupled with, for example,
ArtifactVersion)
* Copy the VersionRange class and make it compatible with the problem with try
to solve here (code duplication? :)
* Make VersionRange more abstract, make it handle different types versions.
Such as Java JDK versions? They are a bit special since they use '_' to denote
upgrade releases. But if you'd really like to use the VersionRange class, I
guess you can trick it to handle JDK versions like ArtifactVersions (upgrade
number can become build number).
I'm rather new to the Maven source code, so I'm in need of some guidance on
this.
> <jdk></jdk> clause in the activation section has to provide more complex
> expressions.
> -------------------------------------------------------------------------------------
>
> Key: MNG-1957
> URL: http://jira.codehaus.org/browse/MNG-1957
> Project: Maven 2
> Issue Type: Improvement
> Components: POM
> Affects Versions: 2.0, 2.0.1
> Reporter: Trustin Lee
> Fix For: 2.0.x
>
>
> For now, <jdk></jdk> provides only one operator '!' which means negation, but
> it would be great if i can use '+' and ~ operator:
> <jdk>1.5+</jdk> <!-- this will be activated when the current JDK version is
> 1.5 or above (e.g. 1.6) -->
> <jdk>1.1 ~ 1.4</jdk> <!-- this will be activated when the current JDK version
> is between 1.1 and 1.4 -->
> <jdk>~ 1.3</jdk> <!-- this will be activated when the current JDK version is
> 1.3 or below -->
> <jdk>1.4 ~</jdk. <!-- the same with 1.5+ -->
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