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.rdf;
19
20 import org.apache.any23.extractor.ExtractionContext;
21 import org.apache.any23.extractor.ExtractionResult;
22 import org.apache.any23.extractor.ExtractorDescription;
23 import org.apache.any23.extractor.ExtractorFactory;
24 import org.apache.any23.extractor.SimpleExtractorFactory;
25 import org.openrdf.rio.RDFParser;
26 import org.openrdf.rio.helpers.RDFParserBase;
27
28 import java.util.Arrays;
29
30 /**
31 * Concrete implementation of {@link org.apache.any23.extractor.Extractor.ContentExtractor}
32 * handling NTriples <a href="http://www.w3.org/2001/sw/RDFCore/ntriples/">NTriples</a> format.
33 */
34 public class NTriplesExtractor extends BaseRDFExtractor {
35
36 public final static ExtractorFactory<NTriplesExtractor> factory =
37 SimpleExtractorFactory.create(
38 "rdf-nt",
39 null,
40 Arrays.asList(
41 "text/nt;q=0.1",
42 "text/ntriples;q=0.1",
43 "text/plain;q=0.1"
44 ),
45 "example-ntriples.nt",
46 NTriplesExtractor.class
47 );
48
49 public NTriplesExtractor(boolean verifyDataType, boolean stopAtFirstError) {
50 super(verifyDataType, stopAtFirstError);
51 }
52
53 /**
54 * Default constructor, with no verification of data types and no stop at first error.
55 */
56 public NTriplesExtractor() {
57 this(false, false);
58 }
59
60 public ExtractorDescription getDescription() {
61 return factory;
62 }
63
64 @Override
65 protected RDFParser getParser(ExtractionContext extractionContext, ExtractionResult extractionResult) {
66 return RDFParserFactory.getInstance().getNTriplesParser(
67 isVerifyDataType(), isStopAtFirstError(), extractionContext, extractionResult
68 );
69 }
70
71 }