[jboss-dev-forums] [Design of POJO Server] - Re: Embbedded - broken - some fixes - still not working

[epbernard]

"scott.stark at jboss.org" wrote : "epbernard" wrote : 
  |   | Correct, I think Max's train of thoughts goes down to: could the VFS implement openStream() is such a way that it would look like a JAR stream? When I wrote the visitor, this was really the "common interface" I expected URLs I interact with to implement.
  |   | 
  | No, because this requires every protocol handler to conform to this contract.
  | 
  | How does the PersistenceUnitInfo.getJarFileUrls() work with other vendors when the deployment is unpacked?
  | 

There are essentially 3 kinds of app servers out there:
 - the one that provide a URL pointing to a JAR
 - the one that provide a URL pointing to a file directory
 - the one that provide a URL whose protocol name is funny but indeed nothing more that a jar protocol.

And now there is a 4th kind with VFS which is also how Eclipse bundle work. some opaque URL that cannot be read without proprietary API calls

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