Re: [equinox-dev] Adding to the framework exported libraries?

[Thomas Watson <tjwatson@xxxxxxxxxx>]

Another option is to install a fragment
to system.bundle to export the packages from the system.bundle.  This
has the advantage of not overriding the other packages exported by the
system.bundle from the vm execution environment.

Tom

BJ Hargrave/Austin/IBM@IBMUS
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02/09/2007 06:54 PM

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Subject	Re: [equinox-dev] Adding to the framework exported libraries?

Set the system property org.osgi.framework.system.packages
to 
"com.acme.foo;version=1.0.0" before launching Equinox. Then Equinox
will 
export that package from the system bundle and other bundles can wire to
it. The system bundles is the framework and the framework's classloader
will be used to provide that package.

BJ Hargrave
Senior Technical Staff Member, IBM
OSGi Fellow and CTO of the OSGi Alliance
hargrave@xxxxxxxxxx

office: +1 386 848 3788
mobile: +1 386 848 3788




Kabe <kabriel@xxxxxxxxxxxxx> 
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02/09/2007 07:20 PM
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Subject
[equinox-dev] Adding to the framework exported libraries?






Hi, i'm using EclipseStarter to start and integrate the Equinox OSGi 
Platform in a launching application. I want my launching application to
be 
able to expose some services and/or libraries to bundles that run within
the embedded OSGi environment. However i'm having a hard time figuring
out 
how to define this. This may not be conventional, but it would be very
useful for my application. 

As an example, my launcher loads some configuration data and uses that
to 
determine how to launch Equinox, however i want to also expose the 
configuraiton data to my bundles, as a service. As well, the classes that
i use in the launcher that load the configuration are reusable and i want
to expose them as an exported library for my bundles to import and use
to 
load other configuration data. 

In short, what i would want to do is simply reference the OSGi 
object/context and call something like osgi.export( "com.acme.foo",
"1.0.0" ). I know that the classes are available because they
are in my 
launcher and i have started eclipse with my classloader as the parent,
so 
it is just a matter of making the OSGi bundle loader/validation step 
recognize that there are more packages exported then just those that come
with Equinox itself. 

Does this make any sense? I can try to describe this another way if it
would help.

Is there any way to do this? I've looked a bit at the framework 
extensions, but they don't seem to provide what i'm looking for, because
i 
need to pass to the OSGi platform some information, and let it pick up
the 
classes from the parent classloader, rather then giving it a ready bundle
to use. 

Thanks for your help.

....
Kabe_______________________________________________
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