[jruby-user] How to use GEM from Java application

I am newbie to JRuby. Most of our development is done as Java App, but
for some features we would like to use JRuby scripting. I was able to
get standard RUBY script to run from our App, but when I try to perform
require of GEM, I am getting error.

For e.g., If I have simple Ruby file like test.rb, the following Java
code runs fine after I add jruby.jar as external JAR in my Java project.

TEST.RB
========
puts "Hello World!!!"


TEST.JAVA
=========
package test;
import java.io.FileNotFoundException;
import org.apache.bsf.BSFException;
import org.apache.bsf.BSFManager;
import org.jruby.embed.PathType;

public class BsfLoadPathSample {
  private final static String jrubyhome = "c:/jruby";
  private final String filename = jrubyhome + "/samples/test.rb";

  private BsfLoadPathSample() throws BSFException, FileNotFoundException
{
  BSFManager.registerScriptingEngine("jruby",
"org.jruby.embed.bsf.JRubyEngine", new String[] {"rb"});
  BSFManager manager = new BSFManager();
  manager.setClassPath(jrubyhome);
  manager.exec("jruby", filename, 0, 0, PathType.ABSOLUTE);
  }

  public static void main(String[] args) throws BSFException,
FileNotFoundException {
  new BsfLoadPathSample();
  }
}


BUT when I run this RB file,
FUZZY.RB
========
require 'fuzzystringmatch'
jarow = FuzzyStringMatch::JaroWinkler.create( :pure )
p jarow.getDistance(  "jones",      "johnson" )

(by changing test.rb to fuzzy.rb )

I GET FOLLOWING ERROR
=====================

LoadError: no such file to load -- fuzzystringmatch
  require at org/jruby/RubyKernel.java:1057
   (root) at c:/jruby/samples/fuzzy.rb:1
Oct 13, 2014 5:11:34 PM org.apache.bsf.BSFManager exec

HOW DO I get Java App to look into GEM files? Is there way to compile
GEMS into JAR file that I can include in my Java project? Any other
approaches.

I am using JRuby 1.7.16

Thanks

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