Method: Note::SKOS::Base.build_from_rdf

Defined in:
app/models/note/skos/base.rb

.build_from_rdf(subject, predicate, object) ⇒ Object 



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# File 'app/models/note/skos/base.rb', line 21

def self.build_from_rdf(subject, predicate, object)
  unless subject.class.reflections.include?(self.name.to_relation_name)
    raise "Note::SKOS::Base#build_from_rdf: Subject (#{subject}) must be able to receive this kind of note (#{self.class.name} => #{self.class.name.to_relation_name})."
  end

  case object
  when String # Literal
    unless object =~ /^"(.*)"(@(.+))$/
      raise "Note::SKOS::Base#build_from_rdf: Object (#{object}) must be a string literal"
    end
    lang = $3
    value = JSON.parse(%Q{["#{$1}"]})[0].gsub("\\n", "\n") # Trick to decode \uHHHHH chars
    subject.send(self.name.to_relation_name) << self.new(:value => value, :language => lang)
  when Array # Blank node
    note = self.create!(:owner => subject)
    object.each do |annotation|
      ns, pred = *annotation.first.split(":", 2)
      note.annotations.create! do |a|
        a.namespace = ns
        a.predicate = pred
        a.value = annotation.last.match(/^"(.+)"$/)[1]
      end
    end
  end
end