validator-core - add hability to validate GML files from PCRS

[mborne]

Use case

See github.com - cnigfr/PCRS where :

• GML files contains multiple FeatureCollection
• GML files are described by an XSD schema : https://cnigfr.github.io/PCRS/schemas/CNIG_PCRS_v2.0.xsd

Proposal

• Add a new type of FileModel (type=multi_table, with initial support for GML)
• Add an optional xsdSchema: URL on FileModel (covers PCRS needs and allow improvements for other validators)
• Add XsdSchemaValidator to validate conformance according to xsdSchema
• Add tests with the following DocumentModel to validate a sample PCRS datasets
• Adapt data normalization
• Adapt document-info.json generation
• Allow geometry validation with an automatically generated table model (see validator-core - allows to specify an explicit FeatureType location to describe tables #233)
• Adapt validation database loader
• Adapt AttributeUniqueValidator to support MultiTableModel
• Adapt AttributeReferenceValidator to support MultiTableModel
• Test on a set of documents and review report
• projections.json - Add support for projections for Coniques Conformes Zone 1 to 9 #243

Main changes at code level

• file.TableModel is renamed to file.SingleTableModel
• file.MultiTableModel is added
• MultiTableModel and SingleTableModel shares a TableModel interface providing the FeatureType

[mborne]

See

• XsdSchemaValidator
• FileModel types with the new MultiTableModel
• Test resources :
  • Document : https://github.com/IGNF/validator/tree/master/validator-core/src/test/resources/documents
  • DocumentModel : https://github.com/IGNF/validator/tree/master/validator-core/src/test/resources/config-json/CNIG_PCRS_v2.0

[mborne]

(create dedicated milestone to avoid risks with GpU 4.2.bis)

[mborne]

v4.2.0 should allow the first experimentations. The main problem to fix is related to "curve geometries" and it has a dedicated issue #232 as it may lead to a huge change.