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ExampleExtractor xref
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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.extractor.example;
19  
20  import org.apache.any23.extractor.ExtractionContext;
21  import org.apache.any23.extractor.ExtractionException;
22  import org.apache.any23.extractor.ExtractionParameters;
23  import org.apache.any23.extractor.ExtractionResult;
24  import org.apache.any23.extractor.ExtractorDescription;
25  import org.apache.any23.vocab.FOAF;
26  import org.apache.any23.extractor.Extractor.BlindExtractor;
27  import org.eclipse.rdf4j.model.IRI;
28  import org.eclipse.rdf4j.model.vocabulary.RDF;
29  
30  import java.io.IOException;
31  
32  /**
33   * Example concrete implementation of {@link org.apache.any23.extractor.Extractor.BlindExtractor}.
34   */
35  public class ExampleExtractor implements BlindExtractor {
36  
37      private static final FOAF vFOAF = FOAF.getInstance();
38  
39      @Override
40      public void run(ExtractionParameters extractionParameters, ExtractionContext extractionContext, IRI documentIRI,
41              ExtractionResult out) throws IOException, ExtractionException {
42          out.writeTriple(documentIRI, RDF.TYPE, vFOAF.Document);
43      }
44  
45      @Override
46      public ExtractorDescription getDescription() {
47          return ExampleExtractorFactory.getDescriptionInstance();
48      }
49  }