##### Coverage Report - org.apache.any23.extractor.rdfa.XSLTStylesheet

Classes in this File | Line Coverage | Branch Coverage | Complexity
XSLTStylesheet |
0% | 0/22
0% | 0/2
| 2.6666666666666665;2.667

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.
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      * 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 |  |
      *
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      *  http://www.apache.org/licenses/LICENSE-2.0
10 |  |
      *
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      * 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.rdfa;
19 |  |
20 |  |
     import org.slf4j.Logger;
21 |  |
     import org.slf4j.LoggerFactory;
22 |  |
     import org.w3c.dom.Document;
23 |  |
24 |  |
     import javax.xml.transform.Transformer;
25 |  |
     import javax.xml.transform.TransformerConfigurationException;
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     import javax.xml.transform.TransformerException;
27 |  |
     import javax.xml.transform.TransformerFactory;
28 |  |
     import javax.xml.transform.dom.DOMSource;
29 |  |
     import javax.xml.transform.stream.StreamResult;
30 |  |
     import javax.xml.transform.stream.StreamSource;
31 |  |
     import java.io.InputStream;
32 |  |
     import java.io.Writer;
33 |  |
     import java.util.HashMap;
34 |  |
     import java.util.Map;
35 |  |
36 |  |
     /**
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      * An XSLT stylesheet loaded from an InputStream, can be applied
38 |  |
      * to DOM trees and writes the result to a {@link Writer}.
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      *
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      * @author Gabriele Renzi
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      * @author Richard Cyganiak (richard@cyganiak.de)
42 |  |
      */
43 |  |
     public class XSLTStylesheet {
44 |  |
45 | 0 |
         private final static Logger log = LoggerFactory.getLogger(XSLTStylesheet.class);
46 |  |
47 |  |
         private final Transformer transformer;
48 |  |
49 | 0 |
         public XSLTStylesheet(InputStream xsltFile) {
50 |  |
             try {
51 | 0 |
                 transformer = TransformerFactory.newInstance().newTransformer(new StreamSource(xsltFile));
52 | 0 |
             } catch (TransformerConfigurationException e) {
53 | 0 |
                 throw new RuntimeException("Should not happen, we use the default configuration", e);
54 | 0 |
             }
55 | 0 |
         }
56 |  |
57 |  |
         /**
58 |  |
          * Applies the XSLT transformation
59 |  |
          * @param document where apply the transformation
60 |  |
          * @param output the {@link java.io.Writer} where write on
61 |  |
          */
62 |  |
         public synchronized void applyTo(Document document, Writer output)
63 |  |
                 throws XSLTStylesheetException {
64 | 0 |
             this.applyTo(document, output, new HashMap<String, String>());
65 | 0 |
         }
66 |  |
67 |  |
         /**
68 |  |
          * Applies the XSLT transformation
69 |  |
          * @param document where apply the transformation
70 |  |
          * @param output the {@link java.io.Writer} where write on
71 |  |
          * @param parameters the parameters to be passed to {@link Transformer}.
72 |  |
          *              Pass an empty {@link Map} if no parameters are foreseen.
73 |  |
          */
74 |  |
         public synchronized void applyTo(Document document, Writer output,
75 |  |
                                          Map<String, String> parameters) throws XSLTStylesheetException {
76 | 0 |
             for(String parameterKey : parameters.keySet()) {
77 | 0 |
                 transformer.setParameter(parameterKey, parameters.get(parameterKey));
78 |  |
             }
79 |  |
             try {
80 | 0 |
                 transformer.transform(
81 |  |
                         new DOMSource(
82 |  |
                                 document,
83 |  |
                                 document.getBaseURI()
84 |  |
                         ),
85 |  |
                         new StreamResult(output)
86 |  |
                 );
87 | 0 |
             } catch (TransformerException te) {
88 | 0 |
                 log.error("------ BEGIN XSLT Transformer Exception ------");
89 | 0 |
                 log.error("Exception in XSLT Stylesheet transformation.", te);
90 | 0 |
                 log.error("Input DOM node:", document);
91 | 0 |
                 log.error("Input DOM node getBaseURI:", document.getBaseURI());
92 | 0 |
                 log.error("Output writer:", output);
93 | 0 |
                 log.error("------ END XSLT Transformer Exception ------");
94 | 0 |
                 throw new XSLTStylesheetException(" An error occurred during the XSLT transformation", te);
95 | 0 |
             }
96 | 0 |
         }
97 |  |
98 |  |
     }