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http://jira.codehaus.org/browse/MNG-2803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Brett Porter closed MNG-2803.
-----------------------------
Assignee: Brett Porter
Resolution: Not A Bug
Fix Version/s: (was: Reviewed Pending Version Assignment)
add combine.children="append" to the element
> Inheritance of plugin <configuration> properties
> ------------------------------------------------
>
> Key: MNG-2803
> URL: http://jira.codehaus.org/browse/MNG-2803
> Project: Maven 2
> Issue Type: Improvement
> Components: Plugin API
> Reporter: Kamen Petroff
> Assignee: Brett Porter
>
> It would be beneficial, if some plugin configuration properties (of list, map
> or array type, not simple types) could be extended from the parent POM by
> inheritance.
> Currently the value specified in the child configuration overwrites the value
> specified by the parent POM. This is OK for simple properties. For collection
> properties however, it would be nice, if the collection specified by the
> parent is extended with the entries specified by the child configuration.
> As an illustration imagine a parent POM defining a plugin configuration:
> ------------------
> ....
> <configuration>
> <imports>
> <import>com.company.package1</import>
> <import>com.company.package2</import>
> </imports>
> </configuration>
> ....
> ------------------
> It would be nice if a child POM could *add* to the <imports> from the parent
> another <import> like this:
> ------------------
> ....
> <configuration>
> <imports>
> <import>com.company.package3</import>
> </imports>
> </configuration>
> ....
> ------------------
> This is however not possible, as the <imports> property in the child
> configuration overwrites the one specified in the parent's configuration.
> This forces the child POM to specify all three <imports> entries in its
> plugin configuration.
> It should be somehow possible to specify on a per property basis, if the
> parent's collection property is to be extended or overwritten.
> I tried to implement this "collection property inheritance" in my plugin, by
> iterating down the parent MavenProjects and accessing their Xpp3Dom
> configuration directly. This works fine. However when the LifeCycle is forked
> (by the clover plugin for example), project.getParent() returns null.
> Does someone have an idea how to access the Parent's POM plugin configuration?
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