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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *  http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17
    18  package org.apache.any23.vocab;
    19
    20  import org.eclipse.rdf4j.model.IRI;
    21
    22  /**
    23   * The <i>DCTERMS</i> vocabulary. See <a href="http://dublincore.org/">Dublin Core</a>.
    24   */
    25  public class DCTerms extends Vocabulary {
    26
    27      public static final String NS = "http://purl.org/dc/terms/";
    28
    29      // Properties
    30      public final IRI license = createProperty(NS, "license");
    31      public final IRI title = createProperty(NS, "title");
    32      public final IRI creator = createProperty(NS, "creator");
    33      public final IRI related = createProperty(NS, "related");
    34      public final IRI date = createProperty(NS, "date");
    35      public final IRI source = createProperty(NS, "source");
    36
    37      private DCTerms() {
    38          super(NS);
    39      }
    40
    41      private static DCTerms instance;
    42
    43      public static DCTerms getInstance() {
    44          if (instance == null) {
    45              instance = new DCTerms();
    46          }
    47          return instance;
    48      }
    49  }