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

Defined in:
lib/adiwg/mdtranslator/readers/mdJson/mdJson_reader.rb,
lib/adiwg/mdtranslator/readers/mdJson/mdJson_validator.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_date.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_party.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_phone.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_scope.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_domain.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_entity.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_extent.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_format.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_locale.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_mdJson.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_medium.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_schema.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_series.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_source.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_address.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_contact.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_funding.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geoJson.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_graphic.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_keyword.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_lineage.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_measure.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_voucher.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_citation.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_dateTime.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_duration.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geodetic.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_metadata.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_taxonomy.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_algorithm.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_attribute.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_dimension.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_allocation.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_constraint.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_domainItem.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_identifier.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_processing.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_timePeriod.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_valueRange.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_boundingBox.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_dataQuality.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_distributor.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_entityIndex.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geologicAge.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_maintenance.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_processStep.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_timeInstant.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_distribution.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_metadataInfo.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_orderProcess.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_resourceInfo.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_resourceType.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_timeInterval.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_vectorObject.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_keywordObject.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_processReport.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_releasability.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_resourceUsage.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_verticalDatum.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_attributeGroup.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_coverageResult.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_dataDictionary.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geometryObject.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_onlineResource.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_temporalExtent.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_transferOption.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_verticalExtent.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_entityAttribute.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geometryFeature.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_legalConstraint.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_localProjection.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_taxonomicSystem.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_entityForeignKey.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_evaluationMethod.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geographicExtent.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_imageDescription.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_obliqueLinePoint.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_responsibleParty.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_scopeDescription.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_spatialReference.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_conformanceResult.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_dataQualityReport.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_descriptiveResult.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_featureCollection.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_nominalResolution.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_spatialResolution.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_associatedResource.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_contactPostprocess.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geometryCollection.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geometryProperties.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_gridRepresentation.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_metadataRepository.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_quantitativeResult.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_securityConstraint.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_coverageDescription.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_coordinateResolution.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_geographicResolution.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_projectionParameters.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_vectorRepresentation.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_spatialRepresentation.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_additionalDocumentation.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_rangeElementDescription.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_taxonomicClassification.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_bearingDistanceResolution.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_referenceSystemParameters.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_georectifiedRepresentation.rb,
lib/adiwg/mdtranslator/readers/mdJson/modules/module_georeferenceableRepresentation.rb

Defined Under Namespace

Modules: AdditionalDocumentation, Address, Algorithm, Allocation, AssociatedResource, Attribute, AttributeGroup, BearingDistanceResolution, BoundingBox, Citation, ConformanceResult, Constraint, Contact, ContactPost, CoordinateResolution, CoverageDescription, CoverageResult, DataDictionary, DataQuality, DataQualityReport, Date, DateTime, DescriptiveResult, Dimension, Distribution, Distributor, Domain, DomainItem, Duration, Entity, EntityAttribute, EntityForeignKey, EntityIndex, EvaluationMethod, Extent, FeatureCollection, Format, Funding, GeoJson, Geodetic, GeographicExtent, GeographicResolution, GeologicAge, GeometryCollection, GeometryFeature, GeometryObject, GeometryProperties, GeorectifiedRepresentation, GeoreferenceableRepresentation, Graphic, GridRepresentation, Identifier, ImageDescription, Keyword, KeywordObject, LegalConstraint, LocalProjection, Locale, Maintenance, MdJson, Measure, Medium, Metadata, MetadataInfo, MetadataRepository, NominalResolution, ObliqueLinePoint, OnlineResource, OrderProcess, Party, Phone, ProcessStep, ProcessStepReport, Processing, ProjectionParameters, QuantitativeResult, RangeElementDescription, ReferenceSystemParameters, Releasability, ResourceInfo, ResourceLineage, ResourceType, ResourceUsage, ResponsibleParty, Schema, Scope, ScopeDescription, SecurityConstraint, Series, Source, SpatialReferenceSystem, SpatialRepresentation, SpatialResolution, TaxonomicClassification, TaxonomicSystem, Taxonomy, TemporalExtent, TimeInstant, TimeInterval, TimePeriod, TransferOption, ValueRange, VectorObject, VectorRepresentation, VerticalDatum, VerticalExtent, Voucher

Class Method Summary collapse

Class Method Details

.readFile(file, hResponseObj) ⇒ Object



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# File 'lib/adiwg/mdtranslator/readers/mdJson/mdJson_reader.rb', line 34

def self.readFile(file, hResponseObj)

   # parse mdJson file
   begin
      hMdJson = JSON.parse(file)
   rescue JSON::JSONError => err
      hResponseObj[:readerStructureMessages] << 'ERROR: mdJson reader: Parsing mdJson Failed - see following message(s):\n'
      hResponseObj[:readerStructureMessages] << err.to_s.slice(0, 300)
      hResponseObj[:readerStructurePass] = false
      return {}
   end

   # file must contain an mdJson object
   if hMdJson.empty?
      hResponseObj[:readerStructureMessages] << 'ERROR: mdJson reader: object is empty'
      hResponseObj[:readerStructurePass] = false
      return {}
   end

   # schema - (required)
   unless hMdJson.has_key?('schema')
      hResponseObj[:readerStructureMessages] << 'ERROR: mdJson reader: schema definition is missing '
      hResponseObj[:readerStructurePass] = false
      return {}
   end

   # schema - name (required) (must = 'mdJson')
   unless hMdJson['schema'].has_key?('name')
      hResponseObj[:readerStructureMessages] << 'ERROR: mdJson reader: schema element is missing'
      hResponseObj[:readerStructurePass] = false
      return {}
   end
   schemaName = hMdJson['schema']['name']
   if schemaName.nil? || schemaName == ''
      hResponseObj[:readerStructureMessages] << 'ERROR: mdJson reader: schema name is missing'
      hResponseObj[:readerStructurePass] = false
      return {}
   end
   unless schemaName.downcase == 'mdjson'
      hResponseObj[:readerStructureMessages] << "ERROR: mdJson reader: schema name is '#{schemaName}', should be mdJson"
      hResponseObj[:readerStructurePass] = false
      return {}
   end

   # schema - version (required)
   unless hMdJson['schema'].has_key?('version')
      hResponseObj[:readerStructureMessages] << 'ERROR: mdJson reader: schema version element is missing'
      hResponseObj[:readerStructurePass] = false
      return {}
   end
   requestedVersion = hMdJson['schema']['version']
   if requestedVersion.nil? || requestedVersion == ''
      hResponseObj[:readerStructureMessages] << 'ERROR: mdJson reader: schema version is missing'
      hResponseObj[:readerStructurePass] = false
      return {}
   end

   # schema - 2.0.0 =< requested version =< current version
   currentVersion = Gem::Specification.find_by_name('adiwg-mdjson_schemas').version.to_s
   hResponseObj[:readerVersionRequested] = requestedVersion
   hResponseObj[:readerVersionUsed] = currentVersion
   aCurVersion = currentVersion.split('.')
   aReqVersion = requestedVersion.split('.')
   approved = false
   if aReqVersion[0] == aCurVersion[0]
      if aReqVersion[1] <= aCurVersion[1]
         approved = true
      end
   end
   unless approved
      approvedVersion = aCurVersion[0] + '.0.0'
      hResponseObj[:readerStructureMessages] << "ERROR: mdJson reader: schema version '#{requestedVersion}' is not supported"
      hResponseObj[:readerStructureMessages] << "... mdTranslator supports mdJson schema version '#{approvedVersion}' through '#{currentVersion}'"
      hResponseObj[:readerStructurePass] = false
      return {}
   end

   # validate file against mdJson schema definition
   unless hResponseObj[:readerValidationLevel] == 'none'
      validate(hMdJson, hResponseObj)
      unless hResponseObj[:readerValidationPass]
         return {}
      end
   end

   # unpack the mdJson into the internal object
   return MdJson.unpack(hMdJson, hResponseObj)

end

.validate(file, responseObj) ⇒ Object

validate json against the adiwg-json_schemas only a single schema version is supported at this time



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# File 'lib/adiwg/mdtranslator/readers/mdJson/mdJson_validator.rb', line 25

def self.validate(file, responseObj)

   bStrict = false
   if responseObj[:readerValidationLevel] == 'strict'
      bStrict = true
   end
   ADIWG::MdjsonSchemas::Utils.load_schemas(false)

   begin
      aErrors = []
      aErrors = JSON::Validator.fully_validate('schema.json', file, :strict => bStrict)

      unless aErrors.empty?
         responseObj[:readerValidationMessages] << 'ERROR: mdJson reader: schema validation Failed - see following message(s)'
         responseObj[:readerValidationMessages] << aErrors
         responseObj[:readerValidationPass] = false
         return
      end

   rescue JSON::Schema::ValidationError
      responseObj[:readerValidationMessages] << 'ERROR: mdJson reader: schema validation Failed - see following message(s)'
      responseObj[:readerValidationMessages] << $!.message
      responseObj[:readerValidationPass] = false
      return
   end

end