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From "Cameron Taggart" <cameron.tagg...@gmail.com>
Subject Re: [OSGi] Status - Commons and Mina Support
Date Fri, 24 Nov 2006 18:33:51 GMT
Hi John, where is your code?  I don't see it in the Mina sandbox.


On 11/21/06, John E. Conlon <jconlon@verticon.com> wrote:
> As part of the ongoing effort to update support for OSGi ApacheDS and
> Mina I have committed several OSGi projects to the sandbox/jconlon.
> These projects provide:
>   all the need pieces for OSGi Mina
>   and lay the initial foundations for a full featured OSGi ADS backend
> that I will be committing next week.
> Please check out these projects, build them and try them out in an OSGi
> runtime and let me know what you think.  If you have questions I will do
> my best to answer them.
> If you have not worked with OSGi previously and want to get started
> goto:
> http://incubator.apache.org/felix/ and read the documentation, download
> sources, and build.
> (Have tested the committed projects within the felix and equinox OSGi
> runtimes.)
> 1. osgi-commons projects
> Both ADS and Mina depend on third party libraries.  To offer ADS and
> Mina OSGi support these libraries must also support OSGi and be
> installed and their packages exported on the OSGi runtime. To facilitate
> this support (in an interim basis until the Felix commons project is
> initiated or the libraries are made available by their authors as osgi
> bundles) within the sandbox/jconlon/osgi-commons directory you will find
> simple pom based projects for creating annotated jars (aka OSGi bundles)
> for
> antlr, commons-collections, commons-lang, and jzlib.
> Note on the maven Plugin:
> These projects utilize the new org.apache.felix maven-bundle-plugin to
> do the wrapping/annotating of the jars.  This plugin offers some unique
> features over the first generation maven-osgi-plugin so if you have used
> the Enrique's original plugin this one will take a little time getting
> used to.
> To build all the commons projects:
> cd sandbox/jconlon/osgi-commons
> mvn clean install
> 2. osgi-services
> a, logging-service
> Support for an OSGi ApacheDS and Mina will require the slf4j logging
> packages to be made available on the OSGi runtime. Unfortunately since
> not all library authors have adopted slf4j, some like Spring-OSGi
> require commons-logging. So in order to provide the logging packages
> that we and our likely functional collaborators will need -
> Within the sandbox/jconlon/osgi-services/logging-service directory you
> will find an OSGi Bundle offering an implementation of the OSGi
> LogService, library support for Apache slf4j, and slf4j support for
> Apache commons-logging. All services are based on the slf4j simple
> implementation.
> Configuring logging in an OSGi runtime:
> To change the logging configuration from the defaults, create/edit the
> configuration properties in the <osgiruntimeWorkingDir>/
> conf/log4j.properties file, then stop and restart the bundle.
> b. logging-service-integration-test
> This is the OSGi integration-test project for logging-service. This
> project builds a OSGi environment, loads various bundles, and tests the
> logging-service is doing it's thing. It is strictly optional and will
> require downloading and building of the Spring-OSGi sources.
> http://www.springframework.org/osgi
> 3. osgi-mina
> a. integration-osgi
> The pom based project in sandbox/jconlon/osgi-mina/integration-osgi is
> an OSGi annotated jar/bundle for Mina as requested in
> http://issues.apache.org/jira/browse/DIRMINA-27
> For it to resolve in an OSGi it will require the following packages to
> be exported in the runtime:
> com.jcraft.jzlib  (see #1. above)
> org.slf4j, (see #2.a above)
> org.springframework.beans.factory,
> org.springframework.beans.factory.config,
> org.springframework.core.io,
> org.springframework.util
> The springframework packages bundled for OSGi are provided in the Spring
> OSGi sub project: http://www.springframework.org/osgi
> b. mina-osgi-example
> The sandbox/jconlon/osgi-mina/mina-osgi-example is an example of a mina
> osgi server application.  Based on the mina chat example this
> application utilizes Spring-OSGi. The beauty of Spring-OSGi (available
> in spring 2.1) is that with it we can create our beans and provide the
> wiring without any dependencies on OSGi or for that matter Spring. Cool
> eh?
> Project also includes a spring-container server client testcase.
> c. mina-osgi-example-integration-test
> This is the OSGi integration-test project for mina-osgi-example. It is
> strictly optional and will require downloading and building of the
> Spring-OSGi sources at http://www.springframework.org/osgi to get it to
> build and run.
> How does it work?
> This project builds an OSGi environment, loads Spring-OSGi and bundles
> required by Mina and the mina-osgi-example and then starts the mina-
> osgi-example. The Spring-OSGi will detect the start of the mina-osgi-
> example and find its spring configuration, wire the beans and start the
> server. The testcase will bring up a chat client and bounce some
> messages at it.
> feedback, comments?
> John

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