Module: ASpaceImport::XML::DOM
- Included in:
- EACConverter, MarcXMLConverter
- Defined in:
- backend/app/converters/lib/xml_dom.rb
Defined Under Namespace
Modules: ClassMethods
Classes: Config
Class Method Summary
(collapse)
Instance Method Summary
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Class Method Details
+ (Object) included(base)
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# File 'backend/app/converters/lib/xml_dom.rb', line 47
def self.included(base)
base.extend(ClassMethods)
end
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Instance Method Details
- (Object) config
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# File 'backend/app/converters/lib/xml_dom.rb', line 52
def config
self.class.config
end
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- (Object) object(path, defn)
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# File 'backend/app/converters/lib/xml_dom.rb', line 86
def object(path, defn)
@context ||= [@doc]
@context.last.xpath(path).each do |node|
@context << node
obj = ASpaceImport::JSONModel(defn[:obj]).new
@batch << obj
defn[:map].each do |key, defn|
process_field(obj, key, defn)
end
if defn[:defaults]
defn[:defaults].each do |key, val|
if obj[key].nil?
obj[key] = val
end
end
end
yield obj if block_given?
@context.pop
end
if @context.length == 1
@batch.flush
end
end
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- (Object) process_field(obj, key, value)
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# File 'backend/app/converters/lib/xml_dom.rb', line 111
def process_field(obj, key, value)
raise "Received a non-string mapping: #{key}" unless key.is_a?(String)
if value.is_a?(Array)
value.each do |i|
process_field(obj, key, i)
end
elsif value.is_a?(Symbol)
@context.last.xpath(key).each do |node|
if obj[value].is_a?(Array)
obj[value] << node.inner_text
else
obj[value] = node.inner_text
end
end
elsif value.is_a?(Proc)
@context.last.xpath(key).each do |node|
value.call(obj, node)
end
elsif value.is_a?(Hash)
object(key, value) do |sub_obj|
if value[:rel].is_a?(Proc)
value[:rel].call(obj, sub_obj)
else
property_def = obj.class.schema['properties'][value[:rel].to_s]
if property_def.nil?
raise Converter::ConverterMappingError.new("The converter maps '#{key}' to a bad target (property '#{value[:rel]}' on record_type '#{obj.jsonmodel_type}').")
end
property_type = ASpaceImport::Utils.get_property_type(property_def)
filtered_value = ASpaceImport::Utils.value_filter(property_type[0]).call(sub_obj)
obj[value[:rel]] << filtered_value
end
end
else
raise Converter::ConverterMappingError.new("Bad types in mapping: (#{key.class.name}) => (#{value.class.name})")
end
end
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- (Object) run
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# File 'backend/app/converters/lib/xml_dom.rb', line 57
def run
if config.doc_frag_nodes.empty?
@doc = Nokogiri::XML::Document.parse(IO.read(@input_file))
@doc.remove_namespaces!
config.mappings.each do |path, defn|
object(path, defn)
end
else
parser = Saxerator.parser(IO.read(@input_file)) do |config|
config.output_type = :xml
config.ignore_namespaces!
config.strip_namespaces!
end
config.doc_frag_nodes.each do |break_node|
parser.for_tag(break_node).each do |xml|
@doc = xml
@context = [@doc]
config.mappings.each do |path, defn|
object(path, defn)
end
end
end
end
end
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