Module: MARC::JRubySTAXReader

Includes:
GenericPullParser
Defined in:
lib/marc/xml_parsers.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from GenericPullParser

#characters, #end_element_namespace, #start_element_namespace, #yield_record

Class Method Details

.extended(receiver) ⇒ Object 



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# File 'lib/marc/xml_parsers.rb', line 371

def self.extended(receiver)
  require 'java' # may only be neccesary in jruby 1.6
  receiver.init
end

Instance Method Details

#attributes_to_hash(attributes) ⇒ Object 



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# File 'lib/marc/xml_parsers.rb', line 407

def attributes_to_hash(attributes)
  hash = {}
  @parser.getAttributeCount.times do | i |
    hash[@parser.getAttributeName(i).getLocalPart] = @parser.getAttributeValue(i)
  end
  hash
end

#each(&block) ⇒ Object

Loop through the MARC records in the XML document



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# File 'lib/marc/xml_parsers.rb', line 385

def each(&block)  
  unless block_given?
    return self.enum_for(:each)
  else
    @block = block
    parser_dispatch
  end
end

#init ⇒ Object 



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# File 'lib/marc/xml_parsers.rb', line 376

def init
  @record = {:record=>nil,:field=>nil,:subfield=>nil}
  @current_element = nil
  @ns = "http://www.loc.gov/MARC21/slim"
  @factory = javax.xml.stream.XMLInputFactory.newInstance
  @parser = @factory.createXMLStreamReader(@handle.to_inputstream)
end

#parser_dispatch ⇒ Object 



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# File 'lib/marc/xml_parsers.rb', line 394

def parser_dispatch
  while event = @parser.next and event != javax.xml.stream.XMLStreamConstants.END_DOCUMENT do
    case event
      when javax.xml.stream.XMLStreamConstants.START_ELEMENT
        start_element_namespace(@parser.getLocalName, [], nil,  @parser.getNamespaceURI, nil)
      when javax.xml.stream.XMLStreamConstants.END_ELEMENT
        end_element_namespace(@parser.getLocalName, @parser.getPrefix, @parser.getNamespaceURI)
      when javax.xml.stream.XMLStreamConstants.CHARACTERS
        characters(@parser.getText)
    end
  end
end