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Contents
# encoding: UTF-8
# Copyright 2011 innoQ Deutschland GmbH
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
class Note::SKOS::Base < Note::Base
self.rdf_namespace = 'skos'
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 recieve this kind of notes (#{self.class.name} => #{self.class.name.to_relation_name})."
end
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)
end
def build_rdf(document, subject)
ns, id = "", ""
if (self.rdf_namespace && self.rdf_predicate)
ns, id = self.rdf_namespace, self.rdf_predicate
elsif self.class == Note::SKOS::Base # This could be done by setting self.rdf_predicate to 'note'. But all subclasses would inherit this value.
ns, id = "Skos", "note"
else
raise "Note::SKOS::Base#build_rdf: Class #{self.class.name} needs to define self.rdf_namespace and self.rdf_predicate."
end
if (IqRdf::Namespace.find_namespace_class(ns))
subject.send(ns).send(id, value, :lang => language)
else
raise "Note::SKOS::Base#build_rdf: couldn't find Namespace '#{ns}'."
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems