Plugable Swing – A Hello World OSGi Example

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Plugable Swing – A Hello World OSGi Example

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There are a lot of OSGi applications available, but a minority of them is aimed at the client side. Here I will list some on Swing:

  1. http://felix.apache.org/site/apache-felix-application-demonstration.html
  2. http://danielrohe.wordpress.com/2009/04/01/swing-application-on-osgi/
  3. http://www.toedter.com/blog/?p=33
  4. http://code.google.com/p/osgi-in-action/
  5. sip-communicator

Today I tried the same and had luck. It was very fast (~1h) to get all working what I wanted, because I shamelessly stole the code from the example of Apache Felix. It is even more easier than this example but should have the same effect: it shows how one could use OSGi even for a Swing application.

There is a host application called Swing On OSGi – Host with one JMenu which does not change (static) and one (dynamic) JMenu which could be changed from the available plugins (here only one: Swing On OSGi – PluginTest). The source code (Apache License 2) can be checkout via

svn checkout https://timefinder.svn.sourceforge.net/svnroot/timefinder/branches/swingosgi swingosgi

… you will need maven. After ‘mvn install’ for both projects you will only need to start the host application via your IDE or via

java -jar target/host-1.0.0.jar

Then if you see the “dynamic menu” with one menu entry (which was added from the plugin) all is fine:


If you have problems while building this send me an email or comment here.

I got the plugins even working in my timetabling application TimeFinder which uses the client-side framework called Spring Rich Client. The first plugin for Spring Rich Client - read more.

From http://karussell.wordpress.com


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