Module: ADIWG::Mdtranslator::Readers::Fgdc::MetadataInformation

Defined in:
lib/adiwg/mdtranslator/readers/fgdc/modules/module_metadataInfo.rb

Class Method Summary collapse

Class Method Details

.unpack(xMetaInfo, hResponseObj) ⇒ Object 



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/module_metadataInfo.rb', line 20

def self.unpack(xMetaInfo, hResponseObj)

   # instance classes needed in script
   intMetadataClass = InternalMetadata.new
   hMetadataInfo = intMetadataClass.newMetadataInfo
   hLegal = intMetadataClass.newLegalConstraint

   # metadata information 7.1 (metd) - metadata date (required)
   # -> metadataInfo.metadataDates.date{type=creation}
   date = xMetaInfo.xpath('./metd').text
   unless date.empty?
      hDate = Date.unpack(date, '', 'creation', hResponseObj)
      unless hDate.nil?
         hMetadataInfo[:metadataDates] << hDate
      end
   end
   if date.empty?
      hResponseObj[:readerExecutionMessages] << 'WARNING: FGDC reader: metadata creation date is missing'
   end

   # metadata information 7.2 (metrd) - metadata review date
   # -> metadataInfo.metadataDates.date{type=review}
   date = xMetaInfo.xpath('./metrd').text
   unless date.empty?
      hDate = Date.unpack(date, '', 'review', hResponseObj)
      unless hDate.nil?
         hMetadataInfo[:metadataDates] << hDate
      end
   end

   # metadata information 7.3 (metfrd) - metadata future review date
   # -> metadataInfo.metadataDates.date{type=nextReview}
   date = xMetaInfo.xpath('./metfrd').text
   unless date.empty?
      hDate = Date.unpack(date, '', 'nextReview', hResponseObj)
      unless hDate.nil?
         hMetadataInfo[:metadataDates] << hDate
      end
   end

   # metadata information 7.4 (metc) - metadata contact (required)
   # -> metadataInfo.metadataContacts.responsibility{roleType=pointOfContact}
   xContact = xMetaInfo.xpath('./metc')
   unless xContact.empty?
      hResponsibility = Contact.unpack(xContact, hResponseObj)
      unless hResponsibility.nil?
         hResponsibility[:roleName] = 'pointOfContact'
         hMetadataInfo[:metadataContacts] << hResponsibility
      end
   end
   if xContact.empty?
      hResponseObj[:readerExecutionMessages] << 'WARNING: FGDC reader: metadata point of contact is missing'
   end

   # metadata information 7.5 (metstdn) - metadata standard name (required)
   # -> set by writer

   # metadata information 7.6 (metstdv) - metadata standard version (required)
   # -> set by writer

   # metadata information 7.7 (mettc) - metadata time convention
   # -> read by date/time modules

   # metadata information 7.8 (metac) - metadata access constraint
   # -> resourceInfo.constraints.legalConstraint.accessCodes
   accessCode = xMetaInfo.xpath('metac').text
   unless accessCode.empty?
      hLegal[:accessCodes] << accessCode
   end

   # metadata information 7.9 (metuc) - metadata use constraint
   # -> resourceInfo.constraints.legalConstraint.useCodes
   useCode = xMetaInfo.xpath('metuc').text
   unless useCode.empty?
      hLegal[:useCodes] << useCode
   end

   legal = accessCode + useCode
   if legal != ''
      hConstraint = intMetadataClass.newConstraint
      hConstraint[:type] = 'legal'
      hConstraint[:legalConstraint] = hLegal
      hMetadataInfo[:metadataConstraints] << hConstraint
   end

   # metadata information 7.10 (metsi) - metadata security information
   xSecurity = xMetaInfo.xpath('./metsi')
   unless xSecurity.empty?

      hSecurity = intMetadataClass.newSecurityConstraint

      # metadata information 7.10.1 (metscs) - metadata security classification system
      # -> resourceInfo.constraints.securityConstraint.classificationSystem
      system = xSecurity.xpath('./metscs').text
      unless system.empty?
         hSecurity[:classSystem] = system
      end

      # metadata information 7.10.2 (metsc) - metadata security classification
      # -> resourceInfo.constraints.securityConstraint.classification
      classCode = xSecurity.xpath('./metsc').text
      unless classCode.empty?
         hSecurity[:classCode] = classCode
      end

      # metadata information 7.10.3 (metshd) - metadata security handling description
      # -> resourceInfo.constraints.securityConstraint.handlingDescription
      handling = xSecurity.xpath('./metshd').text
      unless handling.empty?
         hSecurity[:handling] = handling
      end

      security = system + classCode + handling
      if security != ''
         hConstraint = intMetadataClass.newConstraint
         hConstraint[:type] = 'security'
         hConstraint[:securityConstraint] = hSecurity
         hMetadataInfo[:metadataConstraints] << hConstraint
      end

   end

   # metadata information 7.11 (metextns) - metadata extension []

   # metadata information 7.11.1 (onlink) - online linkage []
   # -> set by writer, reader assumes NBII biological extension is present

   # metadata information 7.11.2 (metprof) - profile name
   # -> set by writer, reader assumes NBII biological extension is present

   return hMetadataInfo

end