Class: ActiveFedora::QualifiedDublinCoreDatastream

Inherits:

NokogiriDatastream

• Object
• Rubydora::Datastream
• Datastream
• NokogiriDatastream
• ActiveFedora::QualifiedDublinCoreDatastream

show all

Defined in:

lib/active_fedora/qualified_dublin_core_datastream.rb

Overview

Constant Summary

DCTERMS =

A frozen array of Dublincore Terms.

[
  :contributor, :coverage, :creator,  :description, :identifier, :language, :publisher, :relation,  :source, :title, :abstract, :accessRights, :accrualMethod, :accrualPeriodicity, :accrualPolicy, :alternative, :audience, :available, :bibliographicCitation, :conformsTo, :contributor, :coverage, :created, :creator, :date, :dateAccepted, :dateCopyrighted, :dateSubmitted, :description, :educationLevel, :extent, :hasFormat, :hasPart, :hasVersion, :identifier, :instructionalMethod, :isFormatOf, :isPartOf, :isReferencedBy, :isReplacedBy, :isRequiredBy, :issued, :isVersionOf, :language, :license, :mediator, :medium, :modified, :provenance, :publisher, :references, :relation, :replaces, :requires, :rights, :rightsHolder, :source, :spatial, :subject, :tableOfContents, :temporal,  :valid
]

Instance Attribute Summary (collapse)

• - (Object) fields

  TODO this can be removed when Model.find_by_fields_by_solr has been removed.

Attributes inherited from NokogiriDatastream

#internal_solr_doc

Attributes included from MetadataDatastreamHelper

#xml_loaded

Attributes inherited from Datastream

#digital_object, #dirty, #last_modified

Class Method Summary (collapse)

• + (Object) xml_template

Instance Method Summary (collapse)

• - (Object) field(name, tupe = nil, opts = {})

  This method generates the various accessor and mutator methods on self for the datastream metadata attributes.

• - (QualifiedDublinCoreDatastream) initialize(digital_object, dsid) constructor

  Constructor.

• - (Object) to_solr(solr_doc = Hash.new)

  :nodoc:.

• - (Object) update_indexed_attributes(params = {}, opts = {})

Methods inherited from NokogiriDatastream

#content=, #find_by_terms, #from_solr, from_xml, #generate_solr_symbol, #get_values, #get_values_from_solr, #has_solr_name?, #is_hierarchical_term_pointer?, #ng_xml, #ng_xml=, #om_term_values, #om_update_values, #term_values, #to_xml, #update_values

Methods included from MetadataDatastreamHelper

#ensure_xml_loaded, included, #serialize!

Methods inherited from Datastream

#add_ds_location, #add_mime_type, #create, #dirty?, from_xml, #inspect, #new_object?, #profile_from_hash, #save, #serialize!, #size, #solrize_profile, #to_param, #validate_content_present

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# File 'lib/active_fedora/qualified_dublin_core_datastream.rb', line 33

def initialize(digital_object, dsid )
  super(digital_object, dsid)
  DCTERMS.each do |el|
    field el, :string, :multiple=>true
  end
end

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# File 'lib/active_fedora/qualified_dublin_core_datastream.rb', line 12

def fields
  @fields
end

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# File 'lib/active_fedora/qualified_dublin_core_datastream.rb', line 94

def self.xml_template
   Nokogiri::XML::Document.parse("<dc xmlns:dcterms='http://purl.org/dc/terms/' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'/>")
end

name=(arg) 
name

:element_attrs =>{:foo=>:bar} -  hash of xml element attributes
:xml_node => :nodename  - The xml node to be used to represent this object (in dcterms namespace)
:encoding=>foo, or encodings_scheme  - causes an xsi:type attribute to be set to 'foo'
:multiple=>true -  mark this field as a multivalue field (on by default)

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# File 'lib/active_fedora/qualified_dublin_core_datastream.rb', line 66

def field(name, tupe=nil, opts={})
  fields ||= {}
  @fields[name.to_s.to_sym]={:type=>tupe, :values=>[]}.merge(opts)
  # add term to template
  self.class.class_fields << name.to_s
  # add term to terminology
  unless self.class.terminology.has_term?(name.to_sym)
    term = OM::XML::Term.new(name.to_sym, {:xmlns=>"http://purl.org/dc/terms/", :namespace_prefix => "dcterms"}, self.class.terminology)
    self.class.terminology.add_term(term)
    term.generate_xpath_queries!
  end
  
end

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# File 'lib/active_fedora/qualified_dublin_core_datastream.rb', line 98

def to_solr(solr_doc = Hash.new) # :nodoc:
  @fields.each do |field_key, field_info|
    things = send(field_key)
    if things 
      field_symbol = ActiveFedora::SolrService.solr_name(field_key, field_info[:type])
      things.val.each do |val|    
        ::Solrizer::Extractor.insert_solr_field_value(solr_doc, field_symbol, val )         
      end
    end
  end
  return solr_doc
end

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# File 'lib/active_fedora/qualified_dublin_core_datastream.rb', line 80

def update_indexed_attributes(params={}, opts={})
  # if the params are just keys, not an array, make then into an array.
  new_params = {}
  params.each do |key, val|
    if key.is_a? Array
      new_params[key] = val
    else
      new_params[[key.to_sym]] = val
    end
  end
  super(new_params, opts)
end