class Geocoder::Lookup::Yahoo

def results(query)
  return [] unless doc = fetch_data(query)
  doc = doc['bossresponse']
  if doc['responsecode'].to_i == 200
    if doc['placefinder']['count'].to_i > 0
      return doc['placefinder']['results']
    else
      return []
    end
  else
    warn "Yahoo Geocoding API error: #{doc['responsecode']} (#{doc['reason']})."
    return []
  end
end