Module: ADIWG::Mdtranslator::Readers::MdJson::VerticalDatum

Defined in:
lib/adiwg/mdtranslator/readers/mdJson/modules/module_verticalDatum.rb

Class Method Summary collapse

Class Method Details

.unpack(hDatum, responseObj, inContext = nil) ⇒ Object 



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# File 'lib/adiwg/mdtranslator/readers/mdJson/modules/module_verticalDatum.rb', line 18

def self.unpack(hDatum, responseObj, inContext = nil)

   @MessagePath = ADIWG::Mdtranslator::Readers::MdJson::MdJson

   # return nil object if input is empty
   if hDatum.empty?
      @MessagePath.issueWarning(920, responseObj, inContext)
      return nil
   end

   # instance classes needed in script
   intMetadataClass = InternalMetadata.new
   intDatum = intMetadataClass.newVerticalDatum

   outContext = 'vertical datum'
   outContext = inContext + ' > ' + outContext unless inContext.nil?

   # vertical datum - identifier {identifier} (required)
   if hDatum.has_key?('datumIdentifier')
      unless hDatum['datumIdentifier'].empty?
         hReturn = Identifier.unpack(hDatum['datumIdentifier'], responseObj, outContext)
         unless hReturn.nil?
            intDatum[:datumIdentifier] = hReturn
         end
      end
   end
   if intDatum[:datumIdentifier].empty?
      @MessagePath.issueError(921, responseObj, inContext)
   end

   # TODO remove when mdJson version 3
   # vertical datum - datum name (deprecated), move to datumIdentifier
   # skip datumName if identifier is already present
   if hDatum.has_key?('datumName')
      unless hDatum['datumName'] == ''
         @MessagePath.issueWarning(922, responseObj, inContext)
         if intDatum[:datumIdentifier].empty?
            intDatum[:datumIdentifier] = intMetadataClass.newIdentifier
            intDatum[:datumIdentifier][:identifier] = hDatum['datumName']
            @MessagePath.issueNotice(925, responseObj, inContext)
            @MessagePath.issueNotice(923, responseObj, inContext)
         end
      end
   end

   haveOthers  = 0

   # vertical datum - encoding method
   if hDatum.has_key?('encodingMethod')
      unless hDatum['encodingMethod'] == ''
         intDatum[:encodingMethod] = hDatum['encodingMethod']
         haveOthers += 1
      end
   end

   # vertical datum - is depth system {Boolean} (required)
   if hDatum.has_key?('isDepthSystem')
      if hDatum['isDepthSystem'] === true
         intDatum[:isDepthSystem] = true
      end
   end

   # vertical datum - vertical resolution
   if hDatum.has_key?('verticalResolution')
      unless hDatum['verticalResolution'] == ''
         intDatum[:verticalResolution] = hDatum['verticalResolution']
         haveOthers += 1
      end
   end

   # vertical datum - unit of measure
   if hDatum.has_key?('unitOfMeasure')
      unless hDatum['unitOfMeasure'] == ''
         intDatum[:unitOfMeasure] = hDatum['unitOfMeasure']
         haveOthers += 1
      end
   end

   # error messages
   unless haveOthers == 0 || haveOthers == 3
      @MessagePath.issueError(924, responseObj, inContext)
   end

   return intDatum

end