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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.
24   * See <a href="http://dublincore.org/">Dublin Core</a>.
25   */
26  public class DCTerms extends Vocabulary {
27  
28      public static final String NS = "http://purl.org/dc/terms/";
29  
30      // Properties
31      public final IRI license = createProperty(NS, "license");
32      public final IRI title   = createProperty(NS, "title"  );
33      public final IRI creator = createProperty(NS, "creator");
34      public final IRI related = createProperty(NS, "related");
35      public final IRI date    = createProperty(NS, "date"   );
36      public final IRI source  = createProperty(NS, "source" );
37  
38      private DCTerms(){
39        super(NS);
40      }
41  
42  	private static DCTerms instance;
43  
44      public static DCTerms getInstance() {
45          if(instance == null) {
46              instance = new DCTerms();
47          }
48          return instance;
49      }
50  }