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https://issues.apache.org/jira/browse/SLING-1482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed SLING-1482.
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> Commons Log should not export OSGi Configuration Admin package but have a
> dynamic dependency
> --------------------------------------------------------------------------------------------
>
> Key: SLING-1482
> URL: https://issues.apache.org/jira/browse/SLING-1482
> Project: Sling
> Issue Type: Improvement
> Components: Commons
> Affects Versions: Commons Log 2.0.6
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: Commons Log 2.1.0
>
>
> Currently the Commons Log module exports the OSGi Configuration Admin package
> to be able to register ManagedService[Factory] services. This is probably
> very bad style but has been done to have the Log mechanism configurable as
> soon as the Configuration Admin service is registered.
> There is a better solution to this problem though:
> * The OSGi Configuration Admin package is imported using
> DynamicImport-Package. This allows for
> dynamic wiring only when the API is used.
> * The ManagedService[Factory] services are registered as ServiceFactory
> services. This means,
> that the actual Configuration Admin API (ManagedService[Factory]
> interfaces and ConfigurationException)
> need only be wired, when these services are actually accessed -- which
> in turn is the case only
> when the ConfigurationAdmin service is registered and starts working.
> Thus we solve the exact problem: Commons Log can be active and will be
> Configuration Admin configurable as soon as the ConfigurationAdmin service is
> active.
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