Module: ADIWG::Mdtranslator::Readers::MdJson::Geodetic

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

Class Method Summary collapse

Class Method Details

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



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

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

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

   # return nil object if input is empty
   if hGeodetic.empty?
      @MessagePath.issueWarning(310, responseObj, inContext)
      return nil
   end

   # instance classes needed in script
   intMetadataClass = InternalMetadata.new
   intGeodetic = intMetadataClass.newGeodetic

   outContext = 'geodetic parameters'
   outContext = inContext + ' > ' + outContext unless inContext.nil?

   # geodetic - datum identifier {identifier}
   if hGeodetic.has_key?('datumIdentifier')
      unless hGeodetic['datumIdentifier'].empty?
         hReturn = Identifier.unpack(hGeodetic['datumIdentifier'], responseObj, outContext)
         unless hReturn.nil?
            intGeodetic[:datumIdentifier] = hReturn
         end
      end
   end

   # TODO remove when mdJson version 3
   # geodetic - datum name (deprecated), move to datumIdentifier
   # skip datumName if identifier is already present
   if hGeodetic.has_key?('datumName')
      unless hGeodetic['datumName'] == ''
         @MessagePath.issueWarning(311, responseObj, inContext)
         if intGeodetic[:datumIdentifier].empty?
            intGeodetic[:datumIdentifier] = intMetadataClass.newIdentifier
            intGeodetic[:datumIdentifier][:identifier] = hGeodetic['datumName']
            @MessagePath.issueNotice(313, responseObj, inContext)
            @MessagePath.issueNotice(315, responseObj, inContext)
         end
      end
   end

   # geodetic - ellipsoid identifier {identifier}
   if hGeodetic.has_key?('ellipsoidIdentifier')
      unless hGeodetic['ellipsoidIdentifier'].empty?
         hReturn = Identifier.unpack(hGeodetic['ellipsoidIdentifier'], responseObj, outContext)
         unless hReturn.nil?
            intGeodetic[:ellipsoidIdentifier] = hReturn
         end
      end
   end

   # TODO remove when mdJson version 3
   # geodetic - ellipsoid name (deprecated), move to ellipsoidIdentifier
   # skip ellipsoidName if identifier is already present
   if hGeodetic.has_key?('ellipsoidName')
      unless hGeodetic['ellipsoidName'] == ''
         @MessagePath.issueWarning(312, responseObj, inContext)
         if intGeodetic[:ellipsoidIdentifier].empty?
            intGeodetic[:ellipsoidIdentifier] = intMetadataClass.newIdentifier
            intGeodetic[:ellipsoidIdentifier][:identifier] = hGeodetic['ellipsoidName']
            @MessagePath.issueNotice(314, responseObj, inContext)
            @MessagePath.issueNotice(316, responseObj, inContext)
         end
      end
   end

   haveOthers = 0

   # geodetic - semi-major axis
   if hGeodetic.has_key?('semiMajorAxis')
      unless hGeodetic['semiMajorAxis'] == ''
         intGeodetic[:semiMajorAxis] = hGeodetic['semiMajorAxis']
         haveOthers += 1
      end
   end

   # geodetic - axis units
   if hGeodetic.has_key?('axisUnits')
      unless hGeodetic['axisUnits'] == ''
         intGeodetic[:axisUnits] = hGeodetic['axisUnits']
         haveOthers += 1
      end
   end

   # geodetic - denominator of flattening ratio
   if hGeodetic.has_key?('denominatorOfFlatteningRatio')
      unless hGeodetic['denominatorOfFlatteningRatio'] == ''
         intGeodetic[:denominatorOfFlatteningRatio] = hGeodetic['denominatorOfFlatteningRatio']
         haveOthers += 1
      end
   end

   # error messages
   if intGeodetic[:ellipsoidIdentifier].empty?
      unless haveOthers == 0
         @MessagePath.issueError(317, responseObj, inContext)
      end
   else
      unless haveOthers == 0 || haveOthers == 3
         @MessagePath.issueError(317, responseObj, inContext)
      end
   end

   return intGeodetic

end