Re: How to retrieve the spring context in Apache Karaf ?

> That paragraph in the reference docs does imho refer to accessing the
> application context of a *different* bundle. But of course, accessing the
> context programmatically couples your code to Spring. Injecting is the most
> elegant solution.
> I've assumed there is a reason why di can't be used in your case. (If there
> is
> - e.g. because there are prototypes involved - you might want to have a
> look
> at "Lookup method injection".)
>
> regards,
> Franz
>
> Charles Moulliard schrieb am Donnerstag, 25. Juni 2009:
> > Spring team does not like that we use directly the ApplicationContext
> > directly in a bundle. This is a little bit explained in the documentation
> :
> >
> >
> http://static.springframework.org/osgi/docs/1.2.0/reference/html-single/#bn
> >d-app-ctx:app-creation
> >
> > *"Note: the application context is published as a service primarily to
> > facilitate testing, administration, and management. Accessing this
> context
> > object at runtime and invoking getBean() or similar operations is
> > discouraged. The preferred way to access a bean defined in another
> > application context is to export that bean as an OSGi service from the
> > defining context, and then to import a reference to that service in the
> > context that needs access to the service. Going via the service registry
> in
> > this way ensures that a bean only sees services with compatible versions
> of
> > service types, and that OSGi platform dynamics are respected.*"
> >
> > From my point of view, this approach imposes that you use spring
> injection
> > to retrieve by example a bean created instead of
> > ApplicationContext.getBean() in a java class
> >
> > Regards,
> >
> > Charles
> >
> > On Thu, Jun 25, 2009 at 9:37 AM, Franz Seidl <franz.g.seidl@...>
> wrote:
> > > In Spring, there is the ApplicationContextAware-Interface. Won't that
> do
> > > what
> > > you need?
> > > Just out of curiosity: Why can't you inject the bean?
> > >
> > > Regards,
> > > Franz
> > >
> > > Charles Moulliard schrieb am Dienstag, 23. Juni 2009:
> > > > I will provide an example :
> > > >
> > > > Bundle A
> > > >
> > > > In this bundle, I instantiate a bean with parameters like this :
> > > >
> > > >     <bean id="emxHeader"
> > > > class="com.xpectis.x3s.model.backoffice.emx.common.Header">
> > > >         <property name="beginString" value="FIX.4.1"/>
> > > >         <property name="bodyLength" value="58"/>
> > > >         <property name="msgSeqNum" value="32"/>
> > > >         <property name="msgType" value="0"/>
> > > >         <property name="sendCompId" value="CLIENT"/>
> > > >         <property name="clientCompId" value="20090619-08:46:35"/>
> > > >         <property name="targetCompId" value="SERVER"/>
> > > >     </bean>
> > > >
> > > > In the same bundle, I would like from a Java class to retrieve the
> bean
> > >
> > > and
> > >
> > > > use it to do a transformation (using DataFormat of Camel : POJO to
> FIX
> > > > message) locally. The result of this transformation will be next made
> > > > available to another bundle B though a service (getFIXMessage).
> > > >
> > > > Regards,
> > > >
> > > > Charles Moulliard
> > > > Senior Enterprise Architect
> > > > Apache Camel Committer
> > > >
> > > > *****************************
> > > > blog : http://cmoulliard.blogspot.com
> > > >
> > > > On Tue, Jun 23, 2009 at 1:19 AM, Guillaume Nodet <gnodet@...>
> > >
> > > wrote:
> > > > > Not sure what you mean.  If you create your own spring-dm powered
> > > > > bundle, the application context will be exported as an OSGi service
> > > > > (unless you configure your bundle to not do so).
> > > > > You can access this object through the OSGi registry and manipulate
> > > > > it as any other application context.
> > > > >
> > > > > On Mon, Jun 22, 2009 at 12:16, Charles
> > > > > Moulliard<cmoulliard@...>
> > > > >
> > > > > wrote:
> > > > > > Hi,
> > > > > >
> > > > > > I would like to know How I can retrieve the
> > >
> > > org.springframework.osgi.context.support.OsgiBundleXmlApplicationContex
> > >
> > > > > >t published in an OSGI bundle (using Apache Karaf) ? Is there any
> > >
> > > helper
> > >
> > > > > class
> > > > >
> > > > > > in karaf  that I use to have access to beans created by Spring ?
> > > > > >
> > > > > > Regards,
> > > > > >
> > > > > > Charles Moulliard
> > > > > > Senior Enterprise Architect
> > > > > > Apache Camel Committer
> > > > > >
> > > > > > *****************************
> > > > > > blog : http://cmoulliard.blogspot.com
> > > > >
> > > > > --
> > > > > Cheers,
> > > > > Guillaume Nodet
> > > > > ------------------------
> > > > > Blog: http://gnodet.blogspot.com/
> > > > > ------------------------
> > > > > Open Source SOA
> > > > > http://fusesource.com
> > > > >
> > > > >
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> > >
> > > --
> > > Franz Seidl
> > > Bremerstraße 1, App. 131
> > > 67663 Kaiserslautern
> > > Telefon +49 (0) 631 6251291
> > > Mobil +49 (0) 173 6777026
> > >
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>
>
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