Module: ADIWG::Mdtranslator::Readers::MdJson::ReferenceSystemParameters

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

Class Method Summary collapse

Class Method Details

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



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# File 'lib/adiwg/mdtranslator/readers/mdJson/modules/module_referenceSystemParameters.rb', line 19

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

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

   # return nil object if input is empty
   if hParams.empty?
      @MessagePath.issueWarning(660, responseObj, inContext)
      return nil
   end

   # instance classes needed in script
   intMetadataClass = InternalMetadata.new
   intParamSet = intMetadataClass.newReferenceSystemParameterSet

   outContext = 'reference system parameter set'
   outContext = inContext + ' ' + outContext unless inContext.nil?

   haveParams = false

   # reference system parameters - projection parameters
   if hParams.has_key?('projection')
      unless hParams['projection'].empty?
         hReturn = ProjectionParameters.unpack(hParams['projection'], responseObj, outContext)
         unless hReturn.nil?
            intParamSet[:projection] = hReturn
            haveParams = true
         end
      end
   end

   # reference system parameters - ellipsoid parameters
   if hParams.has_key?('geodetic')
      unless hParams['geodetic'].empty?
         hReturn = Geodetic.unpack(hParams['geodetic'], responseObj, outContext)
         unless hReturn.nil?
            intParamSet[:geodetic] = hReturn
            haveParams = true
         end
      end
   end

   # reference system parameters - vertical datum parameters
   if hParams.has_key?('verticalDatum')
      unless hParams['verticalDatum'].empty?
         hReturn = VerticalDatum.unpack(hParams['verticalDatum'], responseObj, outContext)
         unless hReturn.nil?
            intParamSet[:verticalDatum] = hReturn
            haveParams = true
         end
      end
   end

   # error messages
   unless haveParams
      @MessagePath.issueWarning(661, responseObj, inContext)
   end

   return intParamSet
end