| Get required plugins [message #79288] |
Sun, 17 December 2006 10:52  |
Eclipse User |
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Originally posted by: dastoaster.web.de
Hi!
Is there an easy way to get the required plugins/bundles (or names and
versions of them) of a plugin/bundle?
P.e. in the eclipse-ide you can push the "required plugins"-button at the
launch configuration of a plugin to compute only the necessary bundles.
Can I use this mechanism in my own standalone rcp application without
implementing it for myself?
Thanks!
DasToaster
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| Re: Get required plugins [message #79926 is a reply to message #79421] |
Wed, 27 December 2006 21:43  |
| Eclipse User |
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Originally posted by: slewis.composent.com
Hi Tom,
Tom Watson wrote:
> In OSGi there is a service org.osgi.service.packageadmin.PackageAdmin.
> This OSGi service can be used to get bundle dependencies. I find this
> service very cumbersome though. For example, you can get all the
> available bundles and exported packages and then see who depends on
> them. But it is pretty hard to use PackageAdmin to find out what a
> particular bundle depends on.
>
> In Equinox we have another service that exposes the resolver state used
> by the framework (org.eclipse.osgi.service.resolve.PlatformAdmin). You
> can use PlatformAdmin to get a resolver State. The State holds
> BundleDescription objects which represent each Bundle installed in the
> Framework. The BundleDescription object can be used to get all the
> dependencies for a bundle. There is also a useful class StateHelper
> that can be used to get all visible packages for a particular bundle.
>
> The PlatformAdmin service is used by PDE and others to model an OSGi
> framework.
In searching through the eclipse 3.3m4 source the only *.pde.* reference
I found to PlatformAdmin was in org.eclipse.pde.internal.core.PDECore
(the Activator for the org.eclipse.ecf.pde.core bundle)...and the
acquirePlatform() method in PDECore doesn't seem to be used anywhere
else in pde.
Maybe this is a message more suitable for pde-build-dev, but are there
more/other pointers to PDE example usage (or other usage) of
PlatformAdmin/State that would be easy to point to?
thanksinadvance,
Scott
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