eclipse-rdf4jGH-5058: additional parser code (WIP)

core/rio/csvw/src/main/java/org/eclipse/rdf4j/rio/csvw/parsers/CellParserBoolean.java

@@ -0,0 +1,44 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Eclipse RDF4J contributors.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Distribution License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *******************************************************************************/
+package org.eclipse.rdf4j.rio.csvw.parsers;
+
+import java.util.Set;
+
+import org.eclipse.rdf4j.model.IRI;
+import org.eclipse.rdf4j.model.Namespace;
+import org.eclipse.rdf4j.model.Value;
+import org.eclipse.rdf4j.model.util.Values;
+
+/**
+ *
+ * @author Bart Hanssens
+ */
+public class CellParserBoolean extends CellParser {
+	private String valueTrue;
+	private String valueFalse;
+
+	@Override
+	public void setFormat(String format) {
+		String[] values = format.split("\\|");
+		valueTrue = values[0];
+		valueFalse = values[1];
+	}
+
+	@Override
+	public Value parse(String cell) {
+		String s = cell;
+		if ((s == null || s.isEmpty()) && (defaultValue != null)) {
+			s = defaultValue;
+		}
+		return Values.literal(valueTrue.equals(s) ? "true" : "false", dataType);
+	}
+
+}

core/rio/csvw/src/main/java/org/eclipse/rdf4j/rio/csvw/parsers/CellParserDate.java

@@ -37,12 +37,7 @@ public void setFormat(String format) {
 		formatter = DateTimeFormatter.ofPattern(format);
 	}
 
-	/**
-	 * Get the value from a cell
-	 *
-	 * @param cell
-	 * @return
-	 */
+	@Override
 	public Value parse(String cell) {
 		String s = cell;
 		if ((s == null || s.isEmpty()) && (defaultValue != null)) {

core/rio/csvw/src/main/java/org/eclipse/rdf4j/rio/csvw/parsers/CellParserFactory.java

@@ -29,6 +29,8 @@ public static CellParser create(IRI datatype) {
 
 		if (datatype.equals(XSD.DATE.getIri())) {
 			p = new CellParserDate();
+		} else if (datatype.equals(XSD.BOOLEAN.getIri())) {
+			p = new CellParserBoolean();
 		} else {
 			p = new CellParser();
 		}

core/rio/csvw/src/test/java/org/eclipse/rdf4j/rio/csvw/CSVWMetadataFinderTest.java

@@ -30,8 +30,6 @@
  */
 @ExtendWith(MockServerExtension.class)
 public class CSVWMetadataFinderTest extends AbstractTest {
-	private MockServerClient client;
-
 	@BeforeEach
 	public void init(MockServerClient client) throws IOException {
 		this.client = client;

core/rio/csvw/src/test/resources/painters-metadata.json

@@ -22,7 +22,10 @@
            "format": "d/M/yyyy"
         } },
       { "name": "maried",
-        "datatype": "boolean" },
+        "datatype": {
+            "base": "boolean",
+            "format": "Yes|No"
+        } },
       { "name": "languages",
         "separator": " " }
     ],

core/rio/csvw/src/test/resources/painters.csv

@@ -1,5 +1,5 @@
 "wikidata_id","first_name","last_name,country_id","country_name_nl","country_name_en","date_of_birth","married","languages"
-"Q5582","Vincent","van Gogh","Q29999","Nederland","The Netherlands","30/3/1853","false","dutch french"
-"Q164712","Paul,Delvaux","Q31","België","Belgium","23/9/1897","true",french"
-"Q46408","Georgia","O'Keeffe","Q30","Verenigde Staten","United States","15/11/1887","true","english"
+"Q5582","Vincent","van Gogh","Q29999","Nederland","The Netherlands","30/3/1853","No","dutch french"
+"Q164712","Paul","Delvaux","Q31","België","Belgium","23/9/1897","Yes","french"
+"Q46408","Georgia","O'Keeffe","Q30","Verenigde Staten","United States","15/11/1887","Yes","english"