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[equinox-dev] Checking whether a class is available in the target platform

Hello,

we are currently facing problems, when trying to figure out if a class is available in the target platform or not.
So in case certain bundles are removed from the target platform the E4 application model should be cleaned up accordingly, which means that referenced model objects, should be removed from the E4 application model, if the contributing bundle is not available any more.


Thomas Watson suggested this solution https://bugs.eclipse.org/bugs/show_bug.cgi?id=445663#c4, which unfortunately causes the bundles to load.
This is undesired and therefore this patch has been reverted: https://git.eclipse.org/r/#/c/55249/9/bundles/org.eclipse.ui.ide.application/src/org/eclipse/ui/internal/ide/application/addons/ModelCleanupAddon.java


So is it somehow possible to figure out if a certain class is available, when we have the Bundle-SymbolicName and the full qualified classname, without activating/loading the bundle?

Thanks in advance and regards,

Simon

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