[jboss-dev-forums] [Design of POJO Server] - Re: VFS isLeaf() vs isDirectory()/isFile()

[scott.stark@jboss.org]

This makes more sense to me, although I still don't believe isArchive is sufficiently different from isLeaf == false to warrant an attribute. Its essentially isLeaf == false + a suffix pattern to indicate this is a special non-leaf. The suggested change of the VFScanner defines such a special non-leaf such that only archives can contain deployable content. Its not clear that the vfs really has sufficient knowledge of a non-leaf to make this distinction. Examples include:

- jars referenced via Class-Path manifest references are not to be considered as deployments.
- we need to support a virtual war/ejb-jar that is directory, that does not have to end in .war/.jar, containing war/ejb-jar contents.

I think we need a basic vfs notion, and an attributed vfs notion where the attributed vfs is a result of metadata coming from the structural analysis. In the attributed vfs I can ask is a non-leaf a deployment container or not.


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