Module: ADIWG::Mdtranslator::Readers::MdJson::SpatialResolution

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

Class Method Summary collapse

Class Method Details

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



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# File 'lib/adiwg/mdtranslator/readers/mdJson/modules/module_spatialResolution.rb', line 27

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

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

   # return nil object if input is empty
   if hResolution.empty?
      @MessagePath.issueWarning(800, responseObj, inContext)
      return nil
   end

   # instance classes needed in script
   intMetadataClass = InternalMetadata.new
   intResolution = intMetadataClass.newSpatialResolution

   outContext = 'spatial resolution'
   outContext = inContext + ' > ' + outContext unless inContext.nil?

   haveOne = false

   # spatial resolution - scale factor (required if not others)
   if hResolution.has_key?('scaleFactor')
      unless hResolution['scaleFactor'] == ''
         intResolution[:scaleFactor] = hResolution['scaleFactor']
         haveOne = true
      end
   end

   # spatial resolution - measure (required if not others)
   if hResolution.has_key?('measure')
      hMeasure = hResolution['measure']
      unless hMeasure.empty?
         hObject = Measure.unpack(hMeasure, responseObj, outContext)
         unless hObject.nil?
            intResolution[:measure] = hObject
            haveOne = true
         end
      end
   end

   # spatial resolution - coordinate resolution (required if not others)
   if hResolution.has_key?('coordinateResolution')
      hCoordRes = hResolution['coordinateResolution']
      unless hCoordRes.empty?
         hReturn = CoordinateResolution.unpack(hCoordRes, responseObj, outContext)
         unless hReturn.nil?
            intResolution[:coordinateResolution] = hReturn
            haveOne = true
         end
      end
   end

   # spatial resolution - bearing distance resolution (required if not others)
   if hResolution.has_key?('bearingDistanceResolution')
      hBearRes = hResolution['bearingDistanceResolution']
      unless hBearRes.empty?
         hReturn = BearingDistanceResolution.unpack(hBearRes, responseObj, outContext)
         unless hReturn.nil?
            intResolution[:bearingDistanceResolution] = hReturn
            haveOne = true
         end
      end
   end

   # spatial resolution - geographic resolution (required if not others)
   if hResolution.has_key?('geographicResolution')
      hGeoRes = hResolution['geographicResolution']
      unless hGeoRes.empty?
         hReturn = GeographicResolution.unpack(hGeoRes, responseObj, outContext)
         unless hReturn.nil?
            intResolution[:geographicResolution] = hReturn
            haveOne = true
         end
      end
   end

   # spatial resolution - level of detail (required if not others)
   if hResolution.has_key?('levelOfDetail')
      unless hResolution['levelOfDetail'] == ''
         intResolution[:levelOfDetail] = hResolution['levelOfDetail']
         haveOne = true
      end
   end

   # error messages
   unless haveOne
      @MessagePath.issueError(801, responseObj, inContext)
   end

   return intResolution

end