Re: [equinox-dev] How to use exttension bundle and adaptor hooks?

[Thomas Watson <tjwatson@xxxxxxxxxx>]

When you launch from PDE it is using
the launcher jar (org.eclipse.equinox.launcher_1.0.0.jar) to start the
framework.  The launcher jar is responsible for finding the org.eclipse.osgi
jar and any extensions jars that are configured (from the osgi.framework.extensions
property).  To do this outside of PDE you must place all three jars
(org.eclipse.osgi, org.eclipse.equinox.launcher and org.eclipse.equinox.examples.simpleloaderhook)
in the same directory and use the following command:

java -Dosgi.framework.extensions=org.eclipse.equinox.examples.simpleloaderhook
-jar org.eclipse.equinox.launcher_1.0.0.v20070208.jar -noExit -console

org.eclipse.equinox.launcher is the
replacement for the old startup.jar in 3.2.  If using the old startup.jar
then you would have to place your jars in a "plugins" directory
and have the startup.jar in the parent directory of the "plugins"
directory.  For example:

/equinox/startup.jar
/equinox/plugins/org.eclipse.osgi_3.3.0.jar
/equinox/plugins/org.eclipse.equinox.examples.simpleloaderhook_1.0.0.jar

Then you would launch with this command

java -Dosgi.framework.extensions=org.eclipse.equinox.examples.simpleloaderhook
-jar startup.jar -noExit -console

If you do not use the launcher jar or
statup.jar then you must place your extension jars on the classpath of
the framework yourself.  This would be done with the following command

java -Dosgi.framework.extensions=com.ibm.cds
-cp org.eclipse.osgi_3.3.0.v20070208.jar;com.ibm.cds_2.0.2.200702090919.jar
org.eclipse.core.runtime.adaptor.EclipseStarter -noExit -console -debug

HTH

Tom

Tony Wang <w19995@xxxxxxxxxxxx>
Sent by: equinox-dev-bounces@xxxxxxxxxxx

02/09/2007 02:30 AM

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Subject	[equinox-dev] How to use exttension bundle and adaptor hooks?

Hi,
I have make an extension bundle to hook
the process of OSGi classloading. I have read the article at http://wiki.eclipse.org/index.php/Adaptor_Hooks
and do a demo following the guide step by step. It works fine in eclipse
ide, but doesn't work out of ide. I can't understand why?
 
The command line used out of ide is

"java -Dosgi.framework.extensions=org.eclipse.equinox.examples.simpleloaderhook
-jar org.eclipse.osgi_3.3.0.jar -console -clean"
 
And in eclipse ide, no special arguments
are set.
" -Dosgi.framework.extensions=org.eclipse.equinox.examples.simpleloaderhook".
 
I have traced the code of org.eclipse.osgi,
and found the classloader of system bundle can't load the resource of org.eclipse.equinox.examples.simpleloaderhook.
But in IDE, it works.
 
The code in org.eclipse.osgi.
hookConfigurators = cl != null ?
cl.getResources(HookRegistry.HOOK_CONFIGURATORS_FILE) : ClassLoader.getSystemResources(HookRegistry.HOOK_CONFIGURATORS_FILE);
 
Can any one help me? 
 
thanks,
Tony Wang

 

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