Re: [eclipselink-dev] Question about OSGI manifest entries

[Tom Ware <tom.ware@xxxxxxxxxx>]

Hi Mitesh,

  Eclipse actually has a fairly decent OSGI manifest editor.  (Although it does 
not pick up on the 72 character limit at the moment)  Any Java EE version of 
Eclipse starting with 3.2 will have it.

  The bundle classpath is automatically added by the editor and I believe it is 
used by the OSGI environment to find classes and resources.  The idea is that 
there could be multiple entries in there.  (i.e. some directories, some jars 
etc...)  For the most part ours just points to ".".

  If the 72 character limit is a big concern, I suggest entering a bug to track 
it.  Have you heard of an OSGI environment where that will likely be a problem?

-Tom

Mitesh Meswani wrote:
> I was going through manifest entries for EclipseLink bundle and had 
> following newbie questions/comments
>
>   1. All the manifest files have entry "Bundle-ClassPath: ." Why is
>      this required?
>   2. Currently the manifest entries for OSGI seems to be generated
>      manually via checked in MANIFEST.MF files. I think we should
>      switch to using some tools. For example GlassFish V3 is using tool
>      call bnd <http://www.aqute.biz/Code/Bnd>. I have personally not
>      played with it a lot but, from my brief interaction I liked the
>      tool. It takes care of many requirements on manifest for OSGI. For
>      example I was told that a valid manifest line for OSGI can only be
>      72 chars long. I could see that at least couple of lines in
>      EclipseLink are more than 72 chars long which might not work on
>      all platforms.
>
> Thanks,
> Mitesh
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