box-o-sand/rails/hamster/app/controllers/solr_controller.rb

require 'open-uri'
require 'rexml/document'


class SolrController < ApplicationController
  $select_url = 'http://localhost:8983/solr/select/'

  def index
    @search = request[:q]
    if @search != nil
      raw_results = open("#{$select_url}?q=#{@search}&indent=on").read
      xml_results = REXML::Document.new raw_results

      @results = []
      REXML::XPath.each(xml_results, '//result/doc') do |doc|
        @results.push({
          :id => doc.elements['./str[@name="id"]'],
          :description => doc.elements['./str[@name="name"]']
        })
      end

    end
  end

end