[Rubygems-developers] Ability to require jar-files
ola.bini at ki.se
Tue Oct 3 01:08:50 EDT 2006
Michael Studman wrote:
>> JRuby-specific extensions to RubyGems. One small feature that would be
>> very welcome for us would be to make it possible to require jar-files in
>> the regular load-path. We have added support for JRuby such that executing
>> require 'bin_ext'
>> will search for bin_ext.rb and bin_ext.jar on the load path. If the same
>> would be possible with gems, it would mean we can package extensions and
>> people can use them the same way .so-extensions are used.
> I think this is all already working. I'm nearly done porting the
> .so-extension of a certain Ruby gem to a Java extension and I can get
> JRuby & Gem loading my jar just fine through "require 'bin_ext'" (which
> finds the jar at
> I can also confirm that require_gem with a version requirement loads the
> right jar too!
> It was a pleasant surprise that this all just worked for me. I had to
> check multiple times to ensure I hadn't inadvertently sprinkled some
> Java classpath pixy dust which made it all work when it shouldn't have.
> The only problem I had when creating this JRuby-specific variant of the
> Gem was that there was no Gem::Platform::Java or Gem::Platform::JRuby to
> use for the spec's platform (I'm just using "java" in the mean time).
> If I've misunderstood what you're actually asking here, Ola, then sorry
> for the line noise.
It doesn't work for me, at least.
Ola Bini (http://ola-bini.blogspot.com)
JvYAML, RbYAML, JRuby and Jatha contributor
System Developer, Karolinska Institutet (http://www.ki.se)
OLogix Consulting (http://www.ologix.com)
"Yields falsehood when quined" yields falsehood when quined.
More information about the Rubygems-developers