1
|
/**
|
2
|
* Copyright (C) 2007 EDIT
|
3
|
* European Distributed Institute of Taxonomy
|
4
|
* http://www.e-taxonomy.eu
|
5
|
*
|
6
|
* The contents of this file are subject to the Mozilla Public License Version 1.1
|
7
|
* See LICENSE.TXT at the top of this package for the full license terms.
|
8
|
*/
|
9
|
package eu.etaxonomy.cdm.print;
|
10
|
|
11
|
import java.io.IOException;
|
12
|
import java.io.InputStream;
|
13
|
import java.net.URL;
|
14
|
|
15
|
import javax.xml.transform.Templates;
|
16
|
import javax.xml.transform.Transformer;
|
17
|
import javax.xml.transform.TransformerException;
|
18
|
import javax.xml.transform.TransformerFactory;
|
19
|
import javax.xml.transform.stream.StreamSource;
|
20
|
|
21
|
import org.apache.logging.log4j.LogManager;
|
22
|
import org.apache.logging.log4j.Logger;
|
23
|
import org.jdom.Document;
|
24
|
import org.jdom.transform.JDOMResult;
|
25
|
import org.jdom.transform.JDOMSource;
|
26
|
import org.jdom.transform.XSLTransformException;
|
27
|
|
28
|
/**
|
29
|
* Perform XSL transformations.
|
30
|
*
|
31
|
* Note: This class provides access to the JAXP XSL transformer currently active.
|
32
|
*
|
33
|
* @author n.hoffmann
|
34
|
* @since Apr 20, 2010
|
35
|
*/
|
36
|
public class Transformator {
|
37
|
|
38
|
private static final Logger logger = LogManager.getLogger(Transformator.class);
|
39
|
private Transformer transformer;
|
40
|
|
41
|
|
42
|
public Transformator(InputStream stylesheet) throws XSLTransformException{
|
43
|
if(stylesheet == null){
|
44
|
throw new IllegalArgumentException("Stylsheet may not be null");
|
45
|
}
|
46
|
|
47
|
try {
|
48
|
TransformerFactory transformerFactory = TransformerFactory.newInstance();
|
49
|
Templates templates = transformerFactory.newTemplates(new StreamSource(stylesheet));
|
50
|
transformer = templates.newTransformer();
|
51
|
}
|
52
|
catch (TransformerException e) {
|
53
|
throw new XSLTransformException("Could not construct XSLTransformer", e);
|
54
|
|
55
|
}
|
56
|
}
|
57
|
|
58
|
|
59
|
public Transformator(URL stylesheet) throws XSLTransformException, IOException {
|
60
|
this(stylesheet.openStream());
|
61
|
}
|
62
|
|
63
|
/**
|
64
|
* Transforms the given document to an output document.
|
65
|
*
|
66
|
* @param inputDoc input document
|
67
|
* @param resolver entity resolver for the input document
|
68
|
* @return transformed output document
|
69
|
* @throws XSLTransformException if there's a problem in the transformation
|
70
|
*/
|
71
|
public Document transform(org.jdom.Document inputDocument) throws XSLTransformException {
|
72
|
JDOMSource source = new JDOMSource(inputDocument);
|
73
|
JDOMResult result = new JDOMResult();
|
74
|
try {
|
75
|
logger.trace("Transforming input document: " + inputDocument);
|
76
|
|
77
|
transformer.transform(source, result);
|
78
|
Document resultDocument = result.getDocument();
|
79
|
|
80
|
resultDocument.getContent();
|
81
|
return resultDocument;
|
82
|
}
|
83
|
catch (TransformerException e) {
|
84
|
logger.error(e);
|
85
|
throw new XSLTransformException("Could not perform transformation", e);
|
86
|
}
|
87
|
}
|
88
|
}
|