Created
January 15, 2010 23:03
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~/projects/jruby/tmp ➔ cat ruby_util.rb | |
require 'java' | |
require 'vendor/gems/environment' | |
require 'rake' | |
class MyRubyUtility | |
java_signature ['String'] => 'void' | |
def self.runRakeTask(name) | |
ARGV.replace([name]) | |
Rake.application.run | |
end | |
java_signature ['String[]'] => 'void' | |
def self.main(args) | |
args.each {|arg| runRakeTask(arg)} | |
end | |
end | |
~/projects/jruby/tmp ➔ jrubyc --java ruby_util.rb | |
Compiling ruby_util.rb to class ruby_util | |
Generating Java class MyRubyUtility to MyRubyUtility.java | |
javac -cp /Users/headius/projects/jruby/lib/jruby-complete.jar:. MyRubyUtility.java | |
~/projects/jruby/tmp ➔ ls *.class | |
MyRubyUtility.class ruby_util.class | |
~/projects/jruby/tmp ➔ cat Gemfile | |
gem 'rake' | |
~/projects/jruby/tmp ➔ gem bundle | |
Calculating dependencies... | |
Updating source: http://gems.rubyforge.org | |
Caching: rake-0.8.7.gem | |
Installing rake (0.8.7) | |
Done. | |
~/projects/jruby/tmp ➔ cp ../lib/jruby-complete.jar rake_runner.jar | |
~/projects/jruby/tmp ➔ cat mymanifest | |
Main-Class: MyRubyUtility | |
~/projects/jruby/tmp ➔ jar ufm rake_runner.jar mymanifest ruby_util.class MyRubyUtility.class `find vendor -name \*.rb` | |
Jan 15, 2010 4:59:11 PM java.util.jar.Attributes read | |
WARNING: Duplicate name in Manifest: Main-Class | |
~/projects/jruby/tmp ➔ cat Rakefile | |
require 'rake' | |
task :hello do | |
puts "hello world!" | |
end | |
~/projects/jruby/tmp ➔ java -jar rake_runner.jar hello | |
(in /Users/headius/projects/jruby/tmp) | |
hello world! |
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