Ok thanks!
________________________________ From: [email protected] [mailto:[email protected]] On Behalf Of Simon J Archer Sent: Friday, September 24, 2010 2:13 PM To: OSGi Developer Mail List Cc: [email protected]; [email protected] Subject: Re: [osgi-dev] Question about converting legacy app to OSGi model Hello Kailash While it's difficult to give concrete advice over email, I would recommend that you start small and learn a little more about what OSGi is and the benefits that you can expect to gain from using it. I would like to recommend the book "OSGi and Equinox: Creating Highly Modular Java Systems" (see http://equinoxosgi.org) <http://equinoxosgi.org/> . The book is a great introduction to OSGi and talks about taking regular Java code and moving it to OSGi and the OSGi services programming model. Regarding Jetty, yes you can certainly use Jetty with OSGi, as you can with Tomcat and other larger enterprise servers. Goods luck, Simon From: Kailash Kothari <[email protected]> To: [email protected] Date: 09/23/2010 05:07 PM Subject: [osgi-dev] Question about converting legacy app to OSGi model Sent by: [email protected] ________________________________ Hi, I'm an newbie to the OSGi specification, and as much as the concept itself is appealing, Im a little unclear on how a legacy application can be migrated over so as to provide services via bundles. Lets say I have an enterprise application server with 4-5 different webapps each having its own context and custom startup servlets. How do I go about the migration process? Should i let the webapp definitions be the way they are and make the startup servlets bundles which are started independently using a custom script after the app server is up? With regard to Struts - is a bundle a combination of Action and Model classes? Or is each action class supposed to be a bundle that talks to the Model class which is its own bundle? The examples are great, but I'm having trouble visualizing how a full scale legacy enterprise app would look in the OSGi model. Any case studies would be great. One last point, would OSGi implementations work on light weight containers like Jetty? Thanks in advance! Kailash. _______________________________________________ OSGi Developer Mail List [email protected] https://mail.osgi.org/mailman/listinfo/osgi-dev <https://mail.osgi.org/mailman/listinfo/osgi-dev>
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