GH-5709: added vocabularies typically used in EU projects

Author: barthanssens

core/model-api/src/main/java/org/eclipse/rdf4j/model/base/Vocabularies.java

@@ -0,0 +1,75 @@
+/*******************************************************************************
+ * Copyright (c) 2020 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.model.base;
+
+import org.eclipse.rdf4j.common.annotation.InternalUseOnly;
+import org.eclipse.rdf4j.model.IRI;
+import org.eclipse.rdf4j.model.Namespace;
+
+/**
+ * Utility methods related to RDF vocabularies.
+ *
+ * @author Alessandro Bollini
+ * @implNote To be eventually removed or merged with {@code org.eclipse.rdf4j.model.util.Vocabularies}.
+ * @since 3.5.0
+ */
+@InternalUseOnly
+public final class Vocabularies {
+
+	private Vocabularies() {
+	}
+
+	/**
+	 * Create a new vocabulary namespace
+	 *
+	 * @param prefix    prefix
+	 * @param namespace full namespace
+	 * @return
+	 */
+	public static Namespace createNamespace(String prefix, String namespace) {
+		return new VocabularyNamespace(prefix, namespace);
+	}
+
+	private static class VocabularyNamespace extends AbstractNamespace {
+
+		private final String prefix;
+		private final String namespace;
+
+		public VocabularyNamespace(String prefix, String namespace) {
+
+			this.prefix = prefix;
+			this.namespace = namespace;
+		}
+
+		@Override
+		public String getPrefix() {
+			return prefix;
+		}
+
+		@Override
+		public String getName() {
+			return namespace;
+		}
+	}
+
+	/**
+	 * Create an (interned) IRI
+	 *
+	 * @param namespace
+	 * @param localName
+	 * @return
+	 */
+	public static IRI createIRI(String namespace, String localName) {
+		return new InternedIRI(namespace, localName);
+	}
+
+}

core/model-vocabulary-annotation/pom.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.eclipse.rdf4j</groupId>
+		<artifactId>rdf4j-core</artifactId>
+		<version>6.0.0-SNAPSHOT</version>
+	</parent>
+	<artifactId>rdf4j-model-vocabulary-annotation</artifactId>
+	<packaging>jar</packaging>
+	<name>RDF4J: RDF Vocabularies Annotation</name>
+	<description>Well-known RDF Vocabularies for annotations, feedback etc</description>
+	<dependencies>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>rdf4j-model-api</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+	</dependencies>
+</project>