opening source file in source jar file at line and position

[richard emberson]

Many times sources are in jar/zip/gzip-tar files (examples, Java and Scala
distribute sources in jar/zip files).

Given that one has the source file name, line and column numbers,
and which jar file it is in, within a script how to get vim
to open the jar file, jump to the source file, open the source
file and then jump to the line/column.
Is there some existing built in mechanism just for this case,
an existing plugin, or must a script be written.

Thanks
Richard
--
Quis custodiet ipsos custodes