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http://issues.ops4j.org/browse/PAXWICKET-27?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11818#action_11818
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Alin Dreghiciu commented on PAXWICKET-27:
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It is wrong to import META-INF. This because the bundle will be wired to just
one exporter of that package. So, assuming that pax wicket will import META-INF
and there are more bundles that exports it. The framework will wire pax wicket
to just one package, not to both of the bundles that exports it. Case when the
import is worthless as it will not satisfy your use case.
I do not know what is your exact use case but seems like a pattern for an
extender that based on the fact that some info is available in META-INF (like
properties files) it will react and do "something". To help with that you can
use the pax swissbox package.
> the pax wicket bundle should import 'META-INF'
> ----------------------------------------------
>
> Key: PAXWICKET-27
> URL: http://issues.ops4j.org/browse/PAXWICKET-27
> Project: Pax Wicket
> Issue Type: Bug
> Reporter: Ittay Dror
> Assignee: Niclas Hedhman
>
> it is a common idiom for a library to allow other libraries to hook into it
> by providing some special file (usuall properties) in META-INF. these files
> are found by using the context class loader and they can then contain
> reference to classes in the plugin libraries.
> in pax wicket and jetty (pax web) setup, the context class loader is
> BundleClassLoader, which uses the pax wicket bundle to load
> classes/resources. since the bundle doesn't import 'META-INF', it will not
> find the resources in other libraries (assuming they export 'META-INF')
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