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‎modules/shexsrdf4j/LICENSE

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The MIT License (MIT)
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Copyright (c) 2016 Jose Emilio Labra Gayo
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎modules/shexsrdf4j/README.md

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# ShExS Jena
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This module that wraps the Scala version of ShEx to be used with Jena Models
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Although the Apache Jena already implements a built-in ShEx validator,
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this is wrapper around the Scala implementation which may be useful to compare results from different implementations.
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‎modules/shexsrdf4j/src/main/scala/es/weso/shexsrdf4j/ShExsRDF4jValidator.pending

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package es.weso.shexsrdf4j
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import es.weso.shex.Schema
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import es.weso.rdf.nodes.RDFNode
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import es.weso.shex.ShapeLabel
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import es.weso.shapemaps.ResultShapeMap
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import es.weso.shex.ResolvedSchema
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import es.weso.shex.validator._
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import cats.effect.IO
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import es.weso.shex.validator.ExternalResolver._
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import es.weso.rdf.nodes.IRI
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import cats._
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import cats.data._
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import cats.implicits._
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import cats.implicits._
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import cats.effect.unsafe.implicits.global
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import es.weso.utils.IOUtils._
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import es.weso.shapemaps._
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import cats.data.NonEmptyList
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import es.weso.utils.VerboseLevel
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import java.io.InputStream
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import org.eclipse.rdf4j.model.Model
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import es.weso.rdf.rdf4j.RDFAsRDF4jModel
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case class ShExsRDF4jValidator(schema: Schema) {
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/** Validates a node with a shape label in the schema
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*/
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def validateNodeShapeSync(
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model: Model,
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node: String,
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shape: String
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): ResultShapeMap = {
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val verbose = VerboseLevel.Nothing
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val cmp: IO[ResultShapeMap] = RDFAsRDF4jModel.empty.flatMap(
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_.use(builder =>
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for {
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nodeIri <- fromES(IRI.fromString(node))
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rdf <- RDFAsRDF4jModel.fromModel(model, None, None, Map())
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resolvedSchema <- ResolvedSchema.resolve(schema, None, verbose)
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validator = Validator(resolvedSchema, NoAction, builder)
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result <- validator.validateNodeShape(rdf, nodeIri, shape, verbose)
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resultShapeMap <- result.toResultShapeMap
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} yield resultShapeMap
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)
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)
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cmp.unsafeRunSync()
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}
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def validateShapeMapSync(
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model: Model,
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shapeMap: String
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): ResultShapeMap = {
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val verbose = VerboseLevel.Nothing
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val cmp: IO[ResultShapeMap] = RDFAsRDF4jModel.empty.flatMap(
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_.use(builder =>
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for {
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rdf <- RDFAsRDF4jModel.fromModel(model, None, None, Map())
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resolvedSchema <- ResolvedSchema.resolve(schema, None, verbose)
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validator = Validator(resolvedSchema, NoAction, builder)
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rdfPrefixMap <- rdf.getPrefixMap
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shapeMap <- fromESNel(
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ShapeMap.fromString(shapeMap, "COMPACT", None, rdfPrefixMap, schema.prefixMap)
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)
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fixedShapeMap <- ShapeMap.fixShapeMap(shapeMap, rdf, rdfPrefixMap, schema.prefixMap)
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result <- validator.validateShapeMap(rdf, fixedShapeMap, verbose)
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resultShapeMap <- result.toResultShapeMap
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} yield resultShapeMap
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)
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)
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cmp.unsafeRunSync()
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}
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def fromESNel[A](e: Either[NonEmptyList[String], A]): IO[A] =
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fromES(e.leftMap(es => es.toList.mkString(",")))
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}
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‎modules/shexsrdf4j/src/main/scala/es/weso/shexsrdf4j/ShExsRDF4jValidatorBuilder.pending

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package es.weso.shexsrdf4j
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import es.weso.shex.Schema
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import cats.effect.IO
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import cats.effect.unsafe.implicits.global
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import java.io.InputStream
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object ShExsRDF4jValidatorBuilder {
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def fromStringSync(schemaStr: String, format: String = "SHEXC"): ShExsRDF4jValidator = {
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val cmp: IO[ShExsRDF4jValidator] = for {
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schema <- Schema.fromString(schemaStr, format, None, None)
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} yield ShExsRDF4jValidator(schema)
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cmp.unsafeRunSync()
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}
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def fromInputStreamSync(is: InputStream, format: String = "SHEXC"): ShExsRDf4jValidator = {
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val cmp: IO[ShExsRDF4jValidator] = for {
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schema <- Schema.fromInputStream(is, format, None, None)
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} yield ShExsRDF4jValidator(schema)
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cmp.unsafeRunSync()
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}
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}

‎modules/shexsrdf4j/src/test/java/es/weso/shexsrdf4j/ShExsValidatorTest.pending

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package es.weso.shexsrdf4j;
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import static org.junit.Assert.assertEquals;
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import org.junit.Test;
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import es.weso.shapemaps.*;
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import org.apache.jena.rdf.model.Model;
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import org.apache.jena.rdf.model.ModelFactory;
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import org.apache.commons.io.IOUtils;
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import es.weso.utils.VerboseLevel;
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import es.weso.rdf.nodes.IRI;
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import es.weso.rdf.nodes.RDFNode;
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import java.net.*;
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import es.weso.shapemaps.IRILabel;
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public class ShExsValidatorTest {
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@Test
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public void exampleAddition() {
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assertEquals(1 + 1, 2);
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}
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@Test
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public void exampleValidatorPass() throws URISyntaxException {
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String schemaStr =
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"prefix : <http://example.org/>\n" +
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":S {\n" +
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" :p .\n" +
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"}";
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String rdfStr =
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"prefix : <http://example.org/>\n" +
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":x :p 1 ." ;
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ShExsJenaValidator validator =
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ShExsJenaValidatorBuilder.fromStringSync(schemaStr,"ShExC");
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// Create Jena Model from RDF String
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Model model = ModelFactory.createDefaultModel()
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.read(IOUtils.toInputStream(rdfStr, "UTF-8"), null, "TURTLE");
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ResultShapeMap result =
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validator.validateNodeShapeSync(model,
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"http://example.org/x",
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"http://example.org/S");
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RDFNode x = new IRI(new URI("http://example.org/x"));
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IRILabel s = new IRILabel(new IRI(new URI("http://example.org/S")));
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// System.out.println("ResultShapeMap = " + result);
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// System.out.println("ConformantShapes(x) = " + result.getConformantShapes(x));
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// System.out.println("ConformantShapes(x).contains(s) = " + result.getConformantShapes(x).contains(s));
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assertEquals(true, result.getConformantShapes(x).contains(s));
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}
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@Test
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public void exampleValidatorFails() throws URISyntaxException {
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String schemaStr =
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"prefix : <http://example.org/>\n" +
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":S {\n" +
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" :p .\n" +
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"}";
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String rdfStr =
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"prefix : <http://example.org/>\n" +
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":x :other 1 ." ;
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ShExsJenaValidator validator =
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ShExsJenaValidatorBuilder.fromStringSync(schemaStr,"ShExC");
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// Create Jena Model from RDF String
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Model model = ModelFactory.createDefaultModel()
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.read(IOUtils.toInputStream(rdfStr, "UTF-8"), null, "TURTLE");
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ResultShapeMap result =
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validator.validateNodeShapeSync(model,
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"http://example.org/x",
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"http://example.org/S");
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RDFNode x = new IRI(new URI("http://example.org/x"));
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IRILabel s = new IRILabel(new IRI(new URI("http://example.org/S")));
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assertEquals(false, result.getConformantShapes(x).contains(s));
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}
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}

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