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From Rob Walker <r...@ascert.com>
Subject Re: Java webstart - loading bundles
Date Fri, 18 Jul 2008 06:03:59 GMT
We've also done a similar approach to that which Richard describes.

Our web-start just brings down a very thin "launcher" JAR - this goes 
back to the URL to pull down the felix.propeties, and via "variable 
substitution" the bundle JARs get pulled down automatically e.g.

felix.auto.install.1="${bundle.root}/lib/ext/osgi.compendium.jar" \

For local use ${bundle.root} has a file:// URL value to load bundles 
from the local file system - which is set by our command / EXE startup 

For the "shim" launcher for WebStart we make sure this property is set 
in the JNLP:

      <j2se version="1.4+" href="http://java.sun.com/products/autodl/j2se"/>
      <j2se version="1.4+"/>
      <jar href="lib/launch.jar" main="true" download="eager"/>
      <jar href="lib/felix.jar" download="eager"/>
      <property name="bundle.root" value="$$context"/>

I forget - but I think $$context uses a standard webstart servlet auto 
replacement - to make the JNLP portable regardless of the mounted URL

-- Rob

Richard S. Hall wrote:
> Just a guess...
> I assume you have packaged everything into a single JAR file that Web 
> Start downloads, including embedded bundle JARs. Could you simply do a 
> getResource() specifying the path to the embedded bundle JAR and use 
> the returned URL to install the bundle?
> -> richard
> Sebastian Heib wrote:
>> Hi,
>> I have a felix application (sip-communicator) that gets started with
>> webstart.
>> In the felix.client.run.properties file I refer to the bundles that
>> should be loaded at startup. Does anybody know a possibility, how I can
>> refer to the jars (my bundles) that webstart has downloaded? I tried the
>> following, but neither of them worked:
>> jar:file://www.mydomain.com/foo/bar.jar!/ (see
>> http://docs.sun.com/source/819-0913/author/jar.html#jarprotocol)
>> jar:http://www.mydomain.com/foo/bar.jar!/ (as documented in the javadoc,
>> JarURLConnection)
>> Sebastian


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