[jboss-dev-forums] [Design the new POJO MicroContainer] - Re: VFS and directory handling

[alesj]

"scott.stark at jboss.org" wrote : A nested jar should simply be seen as a JarInputStream. 
  | 
For NoCopy handling, I can't see any other way then doing either this

  |       // hack the JPA url
  |       VirtualFile root = di.getRootFile();
  |       URL url = root.toURL();
  |       String urlString = url.toExternalForm();
  |       if (urlString.startsWith("vfs"))
  |       {
  |          // unpack, since that's the only way
  |          // to make sure we point to file
  |          VirtualFile file = VFSUtils.unpack(root);
  |          url = file.toURL();
  |          urlString = url.toExternalForm();
  |          if (urlString.startsWith("vfs"))
  |             url = new URL(urlString.substring(3));
  |       }
  |       pi.setPersistenceUnitRootUrl(url);
  | 
or like I've already said, having this check

  | ZipInputStream zis;
  |            if (is instanceof ZipInputStream)
  |               zis = (ZipInputStream)is;
  |            else
  |               zis = new ZipInputStream(is);
  | 
Since probably if you include zis into zis, you don't get anything.
At least that's what I've encountered recently when hacking facelets resource lookup.

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