Description Camille Letavernier 2011-10-11 05:42:51 EDT

To edit a property configuration contributed by a plug-in, we first need to make a copy of it (As the plug-in contributions are read-only).

However, the current implementation of the copy action is really expensive (It takes a few minutes for UML). The problem comes from the fact it is not possible to list a folder's contents when this folder is stored in an archive (Such as a Jar plug-in). Thus, we need to rely on the EcoreUtil#resolveAll method to retrieve all the resources related to the configuration.

Although we're only interested on the file names, this methods fully loads all the resources in memory, which takes a lot of times when it comes to *.xwt files (~500 files for UML, with an expensive parsing operation). Moreover, we know that these *.xwt files do not contain any useful cross-reference to other resources : it is not necessary to load them.

We should re-implement a method similar to EcoreUtil#resolveAll, while ignoring the *.xwt files.