Resolve "Implement function to validate data against a scheme"

Closes #7 (closed)

src/main/java/org/subGoettingen/dev/SHACL.java

+package org.subGoettingen.dev;
+
+import org.apache.jena.graph.Graph;
+import org.apache.jena.riot.Lang;
+import org.apache.jena.riot.RDFDataMgr;
+import org.apache.jena.shacl.ShaclValidator;
+import org.apache.jena.shacl.Shapes;
+import org.apache.jena.shacl.ValidationReport;
+import org.apache.jena.shacl.lib.ShLib;
+
+/*******************************************************************************
+ * This software is copyright (c) 2021 by
+ * 
+ * State and University Library Goettingen
+ *
+ * This is free software. You can redistribute it and/or modify it under the terms described in the
+ * GNU Lesser General Public License v3 of which you should have received a copy. Otherwise you can
+ * download it from
+ *
+ * http://www.gnu.org/licenses/lgpl-3.0.txt
+ *
+ * @copyright State and University Library Goettingen
+ * @license GNU Lesser General Public License v3 (http://www.gnu.org/licenses/lgpl-3.0.txt)
+ * @author Maximilian Behnert-Brodhun (behnert-brodhun@sub.uni-goettingen.de)
+ ******************************************************************************/
+
+
+
+/**
+ * Class to collect all SHACL specific functions
+ *  
+ * @author Maximilian Behnert-Brodhun SUB Goettingen
+ * @version 1.0.0
+ * 
+ */
+
+public class SHACL {
+	
+	/**
+	 * Takes a schema file and data file and checks if the data file is valid against the provided schema
+	 * 
+	 * @param shapesGraph contains the schema file
+	 * @param dataGraph contains the data file
+	 * 
+	 * @return boolean if the data file is valid against the provided schema
+	 */
+	public boolean validateDataAgainstGraph(Graph shapesGraph, Graph dataGraph) {
+
+	    Shapes shapes = Shapes.parse(shapesGraph);
+	    ShaclValidator.get().parse(dataGraph);
+	    ValidationReport report = ShaclValidator.get().validate(shapes, dataGraph);
+	    //ShLib.printReport(report);
+	    //System.out.println();
+	    //RDFDataMgr.write(System.out, report.getModel(), Lang.TTL);
+
+	    return report.conforms();
+	}
+}