A simple script to grab the info about the last build on jenkins/hudson, take apart the XML and expose it as a Ruby object

collect_build_info_from_jenkins.rb

require 'uri'
require 'net/http'
require 'rexml/document'

class BuildInfo
  
  def self.getLastBuildInfo(server, job_name, username, password)
    resp = nil
    Net::HTTP.start(server) {|http|
      req = Net::HTTP::Get.new("/job/#{job_name}/lastBuild/api/xml")
      req.basic_auth username, password
      resp = http.request(req)
    }
    BuildInfo.new(resp.body)
  end
  
  attr_accessor :xml
  attr_reader :name, :result, :changes

  def initialize(xml)
    @xml = xml
    parsed = REXML::Document.new(xml)
    
    @name = parsed.elements['//fullDisplayName/text()']
    @result = parsed.elements['//result/text()']
    @changes = parsed.elements.to_a('//item').collect {|item| "#{item.elements['id/text()']}\t#{item.elements['author/fullName/text()']}\t#{item.elements['date/text()']}\n#{item.elements['comment/text()']}" }
    
  end
  
  def formatInfo
    "* #{name} : #{result}\n#{changes.empty? ? "" : "** "}#{changes.join("** ")}"
    
  end
end