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Ruby on Rails 2.0 Pulls Into Station


New version expands REST support, resource handling

By Alex Handy
January 1, 2008 — 
Ruby on Rails 2.0 chugged into the depot in early December. The new version of this open source Web framework brings with it numerous improvements to the granular syntax of ROR development, and to the way that basic resources are handled.

For developers coding things such as change management systems or forums, a new namespace for routing resources will allow for easier restriction of administrative screens and limited access areas. The push for simpler and more plentiful resource handling also led to the decision to make all resource-based controllers plural by default, allowing users to map multiple contexts and still refer to the same controller.

Of course, improved REST support implies that the framework has moved closer to the HTTP layer itself, and indeed it has. A new module in RoR 2.0 handles authentication and HTTP handshaking; giving the framework a new way to verify APIs via SSL. Also added in version 2.0 is support for HTTP-only cookies, a standard that is not yet supported in all browsers.

Rescuing common exceptions in RoR has previously required an elaborate dance with the command. In version 2.0, a new, more generic “rescue” command has been added to allow developers to declaratively point exceptions to specific actions, such as passing an unauthorized user off to a null page.

Debugging is still something of an Achilles’ heel for Ruby developers, but RoR 2.0 attempts to help with this problem by including a new request profiler. The profiler outputs information on bottlenecks in automatically generated HTML reports.

RoR 2.0 is available for free online at www.rubyonrails.org. The framework may also see a small update to accommodate version 2.0 of the Ruby language, which was expected to arrive in time for Christmas.


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