[ http://jira.codehaus.org/browse/MNG-2270?page=all ]
Brett Porter closed MNG-2270:
-----------------------------
Assign To: Brett Porter
Resolution: Won't Fix
put the dependency in a profile. The profile can be set to activate only on jdk
1.3
> Support non-required dependencies
> ---------------------------------
>
> Key: MNG-2270
> URL: http://jira.codehaus.org/browse/MNG-2270
> Project: Maven 2
> Type: New Feature
> Components: Dependencies
> Versions: 2.0.4
> Reporter: Felipe Leme
> Assignee: Brett Porter
>
>
> One feature I miss on Maven is the possibility of setting a dependency as
> non-required. Let me explain an use case that would make it clearer: I'm
> migrating dbunit to use Maven 2 (it uses Maven 1 currently) and in order to
> compile it, either you use JDK 1.4+ or you add the javax.sql-jdbc-std-2.0
> dependency (dbunit requires JDK 1.3).
> In other words, there is currently no way to build dbunit out-of-the box -
> you have to either install the dependency manually (which is fine when
> cutting a release or on CI builds) or comment the dependency in the POM
> (which is not cool for occasional users of the framework - it goes against
> the 'just type mvn and wait' philosophy).
> So, what I think it would be nice is if I could declare that dependency as
> non-required (I would say 'optional', but that already has another meaning):
> if Maven cannot download that dependency, it would continue the build (of
> course, if Maven is ran using JDK 1.3, it would fail; but in most cases, it
> would suceed). It should be something like this:
> <dependency>
> <groupId>javax.sql</groupId>
> <artifactId>jdbc-stdext</artifactId>
> <version>2.0</version>
> <required>false</required>
> </dependency>
> Or, even better, I could use a logic expression:
> <dependency>
> <groupId>javax.sql</groupId>
> <artifactId>jdbc-stdext</artifactId>
> <version>2.0</version>
> <required>${java.version == 1.3}</required>
> </dependency>
> Or in a more powerful way:
> <dependency>
> <groupId>javax.sql</groupId>
> <artifactId>jdbc-stdext</artifactId>
> <version>2.0</version>
> <required>${versionLessThan( java.version, '1.3' }</required>
> </dependency>
> Is that any plan to provide such a feature on Maven 2.1? I think the scenario
> makes sense and it appers to be easy to implement (at least the initial
> alternative that only accepts literals).
> -- Felipe
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