Add support for pre-3.4 Eclipse installations

[mcculls]

Originally reported on Google Code with ID 39

From: Sylvain Mina

The org.ops4j.peaberry.eclipse.ExtensionListener class implements
IRegistryEventListener which appears in Eclipse 3.4. The previous way to
track the events participating in extension/extension points changes was to
use the IRegistryChangeListener. It provides an IRegistryChangedEvent which
delta information about extension and extension point.

Reported by mcculls on 2009-07-17 08:09:06

[mcculls]

Suggested patch from Sylvain

Reported by mcculls on 2009-07-17 08:12:04

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- _Attachment: [eclipse_hook_patch.txt](https://storage.googleapis.com/google-code-attachments/peaberry/issue-39/comment-1/eclipse_hook_patch.txt)_

[mcculls]

Is this still in backlog ?

Reported by sylvain.mina on 2011-03-29 13:10:46

[mcculls]

Correct

Reported by mcculls on 2011-03-29 13:22:41

[mcculls]

Reported by mcculls on 2011-10-11 17:13:15

• Labels removed: Milestone-Release1.2

[mcculls]

Will add this as a fall-back for when the IRegistryEventListener is unavailable, rather
than replacing IRegistryChangeListener - just in case the old API is deprecated in
the future.

Reported by mcculls on 2012-08-04 21:58:17

• Status changed: Accepted
• Labels added: Peaberry-Extension