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comparison software/mpdl-services/mpiwg-mpdl-cms/src/de/mpg/mpiwg/berlin/mpdl/cms/transform/XslResourceTransformer.java @ 23:e845310098ba

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diverse Korrekturen
author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Tue, 27 Nov 2012 12:35:19 +0100
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22:6a45a982c333 23:e845310098ba
1 package de.mpg.mpiwg.berlin.mpdl.cms.transform;
2
3 import java.io.IOException;
4 import java.io.StringReader;
5 import java.io.StringWriter;
6 import java.net.URL;
7
8 import javax.xml.transform.stream.StreamSource;
9
10 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
11
12 import net.sf.saxon.s9api.Processor;
13 import net.sf.saxon.s9api.QName;
14 import net.sf.saxon.s9api.SaxonApiException;
15 import net.sf.saxon.s9api.Serializer;
16 import net.sf.saxon.s9api.XdmValue;
17 import net.sf.saxon.s9api.XsltCompiler;
18 import net.sf.saxon.s9api.XsltExecutable;
19 import net.sf.saxon.s9api.XsltTransformer;
20
21 public class XslResourceTransformer {
22 private Processor processor;
23 private XsltCompiler xsltCompiler;
24 private Serializer serializer;
25 private XsltTransformer xsltTransformer;
26
27 public XslResourceTransformer(String resourceName) throws ApplicationException {
28 init(resourceName);
29 }
30
31 private void init(String resourceName) throws ApplicationException {
32 try {
33 processor = new Processor(false);
34 xsltCompiler = processor.newXsltCompiler();
35 URL xslUrl = XslResourceTransformer.class.getResource(resourceName);
36 StreamSource xslStreamSource = new StreamSource(xslUrl.openStream());
37 XsltExecutable xsltExecutable = xsltCompiler.compile(xslStreamSource);
38 xsltTransformer = xsltExecutable.load();
39 } catch (SaxonApiException e) {
40 throw new ApplicationException(e);
41 } catch (IOException e) {
42 throw new ApplicationException(e);
43 }
44 }
45
46 public String transform(String xmlFileName) throws ApplicationException {
47 String result = null;
48 try {
49 StreamSource xmlDoc = new StreamSource(xmlFileName);
50 serializer = new Serializer();
51 serializer.setOutputWriter(new StringWriter());
52 xsltTransformer.setSource(xmlDoc); // needs some time for bigger documents
53 xsltTransformer.setDestination(serializer);
54 xsltTransformer.transform(); // needs some time for bigger documents
55 result = serializer.getOutputDestination().toString();
56 } catch (Exception e) {
57 throw new ApplicationException(e);
58 }
59 return result;
60 }
61
62 public String transformStr(String xmlStr) throws ApplicationException {
63 String retStr = null;
64 try {
65 StringReader inputStrReader = new StringReader(xmlStr);
66 StreamSource xmlDoc = new StreamSource(inputStrReader);
67 serializer = new Serializer();
68 serializer.setOutputWriter(new StringWriter());
69 xsltTransformer.setSource(xmlDoc); // needs some time for bigger documents
70 xsltTransformer.setDestination(serializer);
71 xsltTransformer.transform(); // needs some time for bigger documents
72 retStr = serializer.getOutputDestination().toString();
73 } catch (Exception e) {
74 throw new ApplicationException(e);
75 }
76 return retStr;
77 }
78
79 public void setParameter(QName name, XdmValue value) throws ApplicationException {
80 try {
81 xsltTransformer.setParameter(name, value);
82 } catch (Exception e) {
83 throw new ApplicationException(e);
84 }
85 }
86
87 public void setOutputProperty(Serializer.Property property, String value) throws ApplicationException {
88 try {
89 serializer.setOutputProperty(property, value);
90 } catch (Exception e) {
91 throw new ApplicationException(e);
92 }
93 }
94 }