![Cocktail Reporting
class DrinksController < ApplicationController
acts_as_flying_saucer
def mojito
@ingredients = [
"4.0 cl White Rum",
"3.0 cl Fresh lime juice",
"3 sprigs of Mint",
"2 teaspoons Sugar",
"Soda Water"
]
render_pdf :send_file => { :filename => "tasty.pdf" }
end
end](https://image.slidesharecdn.com/jruby-091019015018-phpapp02/85/JRuby-on-Rails-Flying-Saucer-10-320.jpg)
JRuby on Rails, Flying Saucer
- 1. Who's this then? Alexander Malfait Enjoying Rails since 2007 Tallest employee at CAT Solutions
- 3. Wait, didn't we hate Java? JVM is fast JVM is everywhere, corporate approved Tons of useful & widely used libraries Runs great on Windows
- 4. Running Rails jruby -S gem install glassfish jruby -S glassfish -e production config.threadsafe! Works on other app servers (.war file)
- 5. Hiding behind Apache <VirtualHost *:80> ServerName my.awesome.app.be RewriteEngine On ProxyPass / http://localhost:3000/ retry=0 ProxyPassReverse / http://localhost:3000/ ErrorDocument 503 "<b>Come back in 10 seconds</b>" </VirtualHost> http://blog.headius.com/2009/04/apache-jruby-rails-glassfish-easy.html
- 6. Talking to Java Just create java objects like Ruby objects Extend Java classes in Ruby Require jars from Ruby without mucking about with the JVM ClassPath
- 7. Ruby Style Java java.lang.System.current_time_millis x.setSomething(var) => x.something = var button = javax.swing.JButton.new "Press me!" button.add_action_listener do |event| event.source.text = "You did it!" end
- 8. Flying Saucer Renders XHTML/CSS3 to PDF (very well!) Written in Java Handles any reporting problem you can throw at it
- 9. acts_as_flying_saucer Rails apps produce HTML You know HTML Report to PDF using HTML
- 10. Cocktail Reporting class DrinksController < ApplicationController acts_as_flying_saucer def mojito @ingredients = [ "4.0 cl White Rum", "3.0 cl Fresh lime juice", "3 sprigs of Mint", "2 teaspoons Sugar", "Soda Water" ] render_pdf :send_file => { :filename => "tasty.pdf" } end end
- 11. Cocktail Reporting <h1 style="color: green;">Mojito!</h1> <ul> <% @ingredients.each do |ingredient| %> <li><%=h ingredient %></li> <% end %> </ul> render_pdf
- 12. I want my mojito NOW! Rendering drinks/mojito Completed in 16ms ~62 mojitos/second
- 13. Larger documents Rendering the holy bible 4.5MB of HTML Resulting PDF: 1134 pages Completed in 22500ms
- 14. Real Example
- 15. Typical Reporting Problems Repeating headers / footers Paginating/nesting tables Lots of data Maintaining uniform reporting style All covered by the flying saucer!
- 16. Script anything! JFreeChart: powerful charting Apache POI: read & write Excel files JODConvertor: convert (almost) anything to anything using OpenOffice.org Swing Hundreds more...
- 17. References http://github.com/alexandermalfait/acts_as_flying_saucer http://bosmeeuw.wordpress.com/ http://www.catsolutions.be/