Redmine

class RSSParser

  require 'rexml/document'

  def self.run(url)

    xml = REXML::Document.new Net::HTTP.get(URI.parse(url))

    data = {

      :title    => xml.root.elements['channel/title'].text,

      :home_url => xml.root.elements['channel/link'].text,

      :rss_url  => url,

      :items    => []

    }

    xml.elements.each '//item' do |item|

      new_items = {} and item.elements.each do |e| 

        new_items[e.name.gsub(/^dc:(\w)/,"\1").to_sym] = e.text

      end

      data[:items] << new_items

    end

    data

  end

end