Method: Rubydora::DigitalObject#datastreams

Defined in:
lib/rubydora/digital_object.rb

#datastreams ⇒ Array<Rubydora::Datastream> Also known as: datastream

List of datastreams

Returns:



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# File 'lib/rubydora/digital_object.rb', line 150

def datastreams
  @datastreams ||= begin
    h = Hash.new { |h,k| h[k] = datastream_object_for(k) }

    begin
      options = { :pid => pid, :profiles => 'true' }
      options[:asOfDateTime] = asOfDateTime if asOfDateTime
      datastreams_xml = repository.datastreams(options)
      # pre-3.6, the profiles parm will be ignored
      datastreams_xml.gsub! '<objectDatastreams', '<objectDatastreams xmlns="http://www.fedora.info/definitions/1/0/access/"' unless datastreams_xml =~ /xmlns=/
      doc = Nokogiri::XML(datastreams_xml)
      doc.xpath('//access:datastream', {'access' => "http://www.fedora.info/definitions/1/0/access/"}).each do |ds|
        h[ds['dsid']] = datastream_object_for ds['dsid']
      end
      # post-3.6, full ds profiles will be returned
      doc.xpath('//access:datastreamProfile', {'access' => "http://www.fedora.info/definitions/1/0/access/"}).each do |ds|
        # n.b. that the dsID attribute has a different name in the profile response
        h[ds['dsID']] = datastream_object_for(ds['dsID'], {:profile => ProfileParser.hash_datastream_profile_node(ds)})
      end
    rescue RestClient::ResourceNotFound
    end

    h
  end
end