[jboss-dev-forums] [Design the new POJO MicroContainer] - Re: Programmatic policy for jar handling

[alesj]

"adrian at jboss.org" wrote : 
  | At the vfs level this is either a parameter on the initial url a failing that or a different protocol
  | type to support the legacy unpacking mechanism and the return of a "jar:" url
  | from the VirtualFile.toURL().
  | 
  | For programmatic deployment its easy to decide what the URL upfront should be.
  | 
Is there a better way to do this than this:

  |       URL url = getResource("/vfs/context/" + name);
  |       URI uri = new URI(url.toExternalForm() + "?useCopyJarHandler=true");
  | 

"adrian at jboss.org" wrote : 
  | Other more automatic rules should be in the Structure Deployers. They're the ones that know a context is a war and can decide based on some metadata in the deployment or an external rule that a paricular war or all wars should be unpacked when they are subdeployments.
Then it could be too late.
e.g. a War Structure deployer is already going inside war file, checking for WEB-INF and web.xml, by such caching the handler on its parent.
And we already used what we actually wanted to set - we either created the copy, but the policy would say not to create them, or vice versa.

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