Jruby Cookbook

By: Justin Edelson

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Paperback | 21 November 2008

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207 Pages

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If you're interested in JRuby, you probably don't need a tutorial on Ruby, Rails, or Java -- you just need to know how to get things done. This Cookbook offers practical solutions for using the Java implementation of the Ruby language, with targeted recipes for deploying Rails web applications on Java servers, integrating JRuby code with Java technologies, developing JRuby desktop applications with Java toolkits, and more. Using numerous reusable code samples, JRuby Cookbook shows you how to:

Install and update JRuby on Windows, Mac OS X, and Linux, and IDEs such as NetBeans and Eclipse
Package and deploy Rails apps on Java Servlet containers and Java EE application servers, including JBoss, Tomcat, and GlassFish
Integrate Ruby and Rails applications with popular Java EE technologies such as JMS, JMX, JPA, Spring, and Hibernate
Develop desktop and client applications with cross-platform Java UI technologies and toolkits such as Swing, SWT, and Java 2D
Maximize the flexibility of your testing and build environment, using both existing Java-based tools such as Ant and Maven and newer Ruby-based tools such as Rake, Raven, and Buildr

The JRuby interpreter combines Ruby's simplicity and ease of use with Java's extensive libraries and technologies, a potent blend that opens new possibilities for Ruby, Rails, and Java. This Cookbook helps you take full advantage of JRuby's potential.

"The JRuby Cookbook is an excellent book for any polyglot who is trying to bridge the gap between Java and Ruby. It provides solutions to specific problems developers face in both their development and testing environments, along with the applications they're building."-- Bob McWhirter, Research & Prototyping, Red Hat Middleware

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You Can Find This Book In

Non-Fiction Computing & I.T.Computer Programming & Software Development Object-Oriented Programming or OOP Graphical & Digital Media Applications Web Graphics & Design Web Programming Programming & Scripting Languages Software Engineering Booktopia Publisher Services John Wiley & Sons Publishers UK

Preface	p. vii
Getting Started	p. 1
Installing JRuby	p. 4
Managing Packages with RubyGems	p. 8
Using Both Ruby and JRuby	p. 9
Sharing RubyGems	p. 11
Referencing Java Classes from Ruby	p. 12
Converting a Ruby Array into a Java Array	p. 15
Adding JAR Files to the Classpath	p. 16
Extending a Java Class in Ruby	p. 17
Implementing a Java Interface in Ruby	p. 18
Opening Java Classes with JRuby	p. 22
Setting Up Eclipse for JRuby Development	p. 24
Setting Up NetBeans for JRuby Development	p. 28
Platform Detection in a JRuby Application	p. 31
JRuby on Rails	p. 33
Installing and Setting Up Rails	p. 34
Packaging Rails As a Java EE Web Application	p. 37
Using an External Gem Repository with a Web Application	p. 39
Configuring the JRuby-Rack Servlet	p. 39
Packaging Rails with a JNDI DataSource	p. 41
Deploying Rails on Tomcat	p. 42
Deploying Rails on JBoss	p. 44
Deploying Rails on Jetty	p. 46
Deploying Rails with jetty_rails	p. 47
Deploying Rails with Mongrel	p. 49
Deploying Rails on the GlassFish v2 Server	p. 51
Using the GlassFish v3 Gem	p. 52
Using ActiveRecord Outside of Rails	p. 53
Accessing Common Java Servlet Information	p. 55
Configuring Session Storage	p. 56
Controlling the Classes, Directories, and Other Files Packaged into a Rails WAR File	p. 57
Changing the Name of the WAR File and the Staging Area	p. 58
Deploying a Rails Application to the Root Context	p. 58
Creating a Rails Application with Aptana Studio	p. 60
Accessing Static Files in Your Rails Java EE Application	p. 63
Java Integration	p. 65
Executing Ruby from Java	p. 66
Invoking JRuby Through the Bean Scripting Framework	p. 70
Invoking JRuby Through Java Scripting Support	p. 72
Logging from Ruby with Jakarta Commons Logging	p. 75
Using the Java Concurrency Utilities	p. 77
Creating JavaBean Style Accessor Methods	p. 79
Writing Consistent Code	p. 80
Transforming XML with TrAX	p. 80
Creating a Pool of JRuby Runtimes	p. 82
Performing Remote Management with JMX	p. 84
Accessing Native Libraries with JRuby	p. 86
Enterprise Java	p. 89
Creating a JNDI Context	p. 90
Sending JMS Messages	p. 92
Receiving JMS Messages	p. 95
Implementing an Enterprise JavaBean with JRuby	p. 96
Defining Spring Beans in JRuby	p. 100
Creating Refreshable JRuby Spring Beans	p. 103
Defining JRuby Spring Beans Inline	p. 106
Applying Spring-Aware Interfaces to JRuby Objects	p. 107
Creating Spring MVC Controllers with JRuby	p. 110
Using Hibernate with JRuby	p. 113
Using the Java Persistence API with JRuby	p. 115
Making SOAP Calls	p. 116
Simplifying LDAP Access	p. 118
User Interface and Graphics	p. 121
Creating Swing Applications	p. 122
Swing Event Handling	p. 123
Long-Running Tasks in Swing Applications	p. 124
Packaging Standalone Applications	p. 126
Packaging JRuby Web Start Applications	p. 128
Creating JRuby Applets	p. 130
Manipulating Images	p. 133
Creating SWT Applications	p. 136
Accessing the Native Desktop	p. 138
Accessing the System Tray	p. 139
Swing Development with JRuby Domain-Specific Languages	p. 141
Using the Monkeybars Framework for Swing Development	p. 144
Creating Qt Applications with JRuby	p. 148
Build Tools	p. 153
Adding Ruby Scripting to Ant Builds	p. 154
Using Ruby in Ant Conditions	p. 156
Writing an Ant Task in Ruby	p. 158
Adding Ruby Scripting to Maven Builds	p. 158
Writing a Maven Plugin with JRuby	p. 161
Building Java Projects with Raven	p. 164
Referencing Libraries with Raven	p. 165
Hosting a Private Raven Repository	p. 166
Running JUnit Tests with Raven	p. 167
Building Java Projects with Buildr	p. 168
Referencing Libraries with Buildr	p. 171
Building with Rake Inside Hudson	p. 172
Adding Ruby Script to a Hudson Job	p. 173
Testing	p. 175
Unit Testing Java Code with Test/Unit	p. 176
Unit Testing Java Code with dust	p. 178
Unit Testing Java Code with Expectations	p. 179
Testing Java Code with RSpec	p. 181
Creating Mock Objects with Mocha	p. 185
Modifying the JtestR Classpath	p. 187
Grouping Tests for JtestR	p. 188
Using the JtestR Command-Line Options	p. 188
Running JtestR with Ant	p. 190
Running JtestR with Maven	p. 190
Improving JtestR Performance	p. 192
The JRuby Community	p. 195
Building JRuby from Source	p. 195
Submitting an Issue Report for JRuby	p. 196
Using the JRuby Mailing Lists	p. 198
Index	p. 199
Table of Contents provided by Ingram. All Rights Reserved.

Jruby Cookbook

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