1. Ruby on Java Luc Castera http://dambalah.com luc.castera@gmail.com

2. JRuby JSR-223: Scripting for Java Bean Scripting Framework Java @ work Ruby @ home Java + Ruby Motivation Solutions

3. Option 1Option 2Option 3

4. JRuby JRuby is an 100% pure-Java implementation of Ruby Import Mature Java Libraries into Ruby Facilitate Ruby Deployment in Enterprise Threads + Internalization friendly JRuby 1.0 'almost' Ruby 1.8.x compatible JRuby on Rails: active-record-jdbc, goldspike, glassfish-rails) ‏ JRuby compiler to Java bytecode -> Performance!

5. JRuby Example

6. JSR-223 The JSR-223 defines scripting in the Java platform. Sun's implementation of Java SE 6 includes Rhino engine for Javascript. Other Script Engines exists for other languages such as Ruby, Python, Tcl, PHP... You may include scripting support in your Java application for various reasons: - Sophisticated configuration options - User-defined functionality - Ease of maintenance - Skill set of users - Reuse of code modules in other languages

7. JSR-223 Example 1

8. Example 2 Jill Bob Jill Bob Dana

9. BSF Similar to JSR-223 Created by IBM, then donated to Apache S.F. http://jakarta.apache.org/bsf/

10. Resources http://jruby.codehaus.org/ http://dist.codehaus.org/jruby/talks/ http://developers.sun.com/events/techdays/presentations /2007/TD_GEN_JavaSE_Scripting.pdf http://headius.blogspot.com/ https://scripting.dev.java.net/ http://java.sun.com/developer/technicalArticles/J2SE/De sktop/scripting/ http://www.jrubyinside.com/ http://jcp.org/en/jsr/detail?id=223