##### Coverage Report - org.apache.any23.extractor.html.HeadLinkExtractor

Classes in this File | Line Coverage | Branch Coverage | Complexity
HeadLinkExtractor |
0% | 0/18
0% | 0/10
| 3.5;3.5

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.html;
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.extractor.ExtractorFactory;
26 |  |
     import org.apache.any23.extractor.SimpleExtractorFactory;
27 |  |
     import org.apache.any23.rdf.PopularPrefixes;
28 |  |
     import org.apache.any23.vocab.XHTML;
29 |  |
     import org.apache.any23.extractor.Extractor.TagSoupDOMExtractor;
30 |  |
     import org.openrdf.model.URI;
31 |  |
     import org.openrdf.model.ValueFactory;
32 |  |
     import org.openrdf.model.impl.ValueFactoryImpl;
33 |  |
     import org.w3c.dom.Document;
34 |  |
     import org.w3c.dom.Node;
35 |  |
36 |  |
     import java.io.IOException;
37 |  |
     import java.util.Arrays;
38 |  |
     import java.util.List;
39 |  |
40 |  |
     /**
41 |  |
      * This {@link org.apache.any23.extractor.Extractor.TagSoupDOMExtractor} implementation
42 |  |
      * retrieves the <code>LINK</code>s declared within the <code>HTML/HEAD</code> page header.
43 |  |
      */
44 | 0 |
     public class HeadLinkExtractor implements TagSoupDOMExtractor {
45 |  |
46 |  |
         public void run(
47 |  |
                 ExtractionParameters extractionParameters,
48 |  |
                 ExtractionContext extractionContext,
49 |  |
                 Document in,
50 |  |
                 ExtractionResult out
51 |  |
         ) throws IOException, ExtractionException {
52 | 0 |
             HTMLDocument html = new HTMLDocument(in);
53 | 0 |
             ValueFactory vf = ValueFactoryImpl.getInstance();
54 |  |
55 | 0 |
             final List<Node> headLinkNodes = DomUtils.findAll(
56 |  |
                     in,
57 |  |
                     "/HTML/HEAD/LINK[(" +
58 |  |
                             "@type='application/rdf+xml' or " +
59 |  |
                             "@type='text/rdf' or " +
60 |  |
                             "@type='application/x-turtle' or " +
61 |  |
                             "@type='application/turtle' or " +
62 |  |
                             "@type='text/turtle' or " +
63 |  |
                             "@type='text/rdf+n3'" +
64 |  |
                             ") and @href and @rel]"
65 |  |
             );
66 | 0 |
             for (Node node : headLinkNodes) {
67 | 0 |
                 final URI href = html.resolveURI(DomUtils.find(node, "@href"));
68 | 0 |
                 final String rel = DomUtils.find(node, "@rel");
69 | 0 |
                 out.writeTriple(
70 |  |
                         extractionContext.getDocumentURI(),
71 |  |
                         vf.createURI(XHTML.NS + rel),
72 |  |
                         href
73 |  |
                 );
74 | 0 |
                 final String title = DomUtils.find(node, "@title");
75 | 0 |
                 if (title != null && !"".equals(title)) {
76 | 0 |
                     out.writeTriple(
77 |  |
                             href,
78 |  |
                             factory.getPrefixes().expand("dcterms:title"),
79 |  |
                             vf.createLiteral(title)
80 |  |
                     );
81 |  |
                 }
82 | 0 |
                 final String type = DomUtils.find(node, "@type");
83 | 0 |
                 if (type != null && !"".equals(type)) {
84 | 0 |
                     out.writeTriple(
85 |  |
                             href,
86 |  |
                             factory.getPrefixes().expand("dcterms:format"),
87 |  |
                             vf.createLiteral(type)
88 |  |
                     );
89 |  |
                 }
90 | 0 |
             }
91 | 0 |
         }
92 |  |
93 |  |
         public ExtractorDescription getDescription() {
94 | 0 |
             return factory;
95 |  |
         }
96 |  |
97 | 0 |
         public final static ExtractorFactory<HeadLinkExtractor> factory =
98 |  |
                 SimpleExtractorFactory.create(
99 |  |
                         "html-head-links",
100 |  |
                         PopularPrefixes.createSubset("xhtml", "dcterms"),
101 |  |
                         Arrays.asList("text/html;q=0.05", "application/xhtml+xml;q=0.05"),
102 |  |
                         "example-head-link.html",
103 |  |
                         HeadLinkExtractor.class);
104 |  |
     }