If it's useful, JIRA's SOAP API can be accessed via Ruby with https://github.com/codehaus/jira4r(but SOAP is being deprecated in favour of REST).
For now, this should work with both self-hosted JIRA and JIRA OnDemand, but you're better off using REST as per the answer above for the long term.
Introduction This article will give insight on how a small software development department implemented Atlassian products to enhance and streamline the business process. The privately held company h...
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