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From "Richard S. Hall (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FELIX-2197) Please implement something like Equinox's org.eclipse.osgi.baseadaptor.hooks.ClassLoadingHook
Date Wed, 29 Feb 2012 16:19:57 GMT

    [ https://issues.apache.org/jira/browse/FELIX-2197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219319#comment-13219319
] 

Richard S. Hall commented on FELIX-2197:
----------------------------------------

I assume we can close this now that we have R4.3 class weaving hooks?
                
> Please implement something like Equinox's org.eclipse.osgi.baseadaptor.hooks.ClassLoadingHook
> ---------------------------------------------------------------------------------------------
>
>                 Key: FELIX-2197
>                 URL: https://issues.apache.org/jira/browse/FELIX-2197
>             Project: Felix
>          Issue Type: New Feature
>          Components: Framework
>    Affects Versions: framework-2.0.4
>         Environment: irrelevant
>            Reporter: Martin Zdila
>         Attachments: framework.patch
>
>
> Please implement something like Equinox's org.eclipse.osgi.baseadaptor.hooks.ClassLoadingHook.
We need it for running Felix under Terracotta (there is HOWTO for Equinox: http://www.terracotta.org/confluence/display/wiki/Run+with+Eclipse+Equinox).

> We patched the Felix Framework for the workaround. The patch is attached. We use it like
this:
> ...
> import org.apache.felix.framework.ClassLoaderHook;
> import org.apache.felix.framework.Felix;
> import com.tc.object.bytecode.hook.impl.ClassProcessorHelper;
> import com.tc.object.loaders.NamedClassLoader;
> ...
> 	final Properties properties = new Properties();
> ...
> 	properties.put("classLoaderHook", new ClassLoaderHook() {
> 		@Override
> 		public void classLoaderCreared(final ClassLoader classLoader) {
> 			if (classLoader instanceof NamedClassLoader) {
> 				((NamedClassLoader) classLoader).__tc_setClassLoaderName(classLoader.toString());
> 				ClassProcessorHelper.registerGlobalLoader((NamedClassLoader) classLoader, null);
> 			}
> 		}
> 	});
> 		
> 	return new Felix(properties);
> ...
> Thanks in advance.

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