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Practical JRuby on Rails Web 2.0 Projects: Bringing Ruby on Rails to Java (Expert's Voice in Java) 2007th Edition
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Top Customer Reviews
The book takes a measured pace, introducing Rails early on and then building in different components from the Java world as it works through four different projects. Use of JDBC within a rails app, calling ruby code from Java, deployment strategies, packaging a Rails app as a .jar that can be dropped into an application server, and making use of java for interfacing with SOAP web services are all covered.
Readers will probably need to spend some time experimenting with each feature to really get comfortable with them, but the book works well to get you started and point in the right direction. The introduction to Ruby and Rails is a case in point, as Ola dives right in to his examples after a brief lead-in. That may work well for experienced developers who will enjoy exploring the accompanying code, but it is worth being aware of.
It did feel like there were some missed opportunities later in the book, particularly in the final project, to introduce more of Rails' "RESTful" features since that example really invited that style of design, and it would have been interesting to have some discussion of the pros and cons of treating the libraries built to interface with external services as models within a rails app, making the interface more transparent.Read more ›
Still recommend it if you are looking to get a head state on jruby. You will run into a few surprises once you download and install the latest rails but nothing you cannot overcome am sure.