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annotate software/mpdl-services/mpiwg-mpdl-xml/src/de/mpg/mpiwg/berlin/mpdl/xml/transform/FragmentTransformer.java @ 23:e845310098ba
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| author | Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de> |
|---|---|
| date | Tue, 27 Nov 2012 12:35:19 +0100 |
| parents | dc5e9fcb3fdc |
| children |
| rev | line source |
|---|---|
| 18 | 1 package de.mpg.mpiwg.berlin.mpdl.xml.transform; |
| 2 | |
| 3 import java.io.IOException; | |
| 4 import java.io.StringWriter; | |
| 5 import java.net.URL; | |
| 6 | |
| 7 import javax.xml.transform.stream.StreamSource; | |
| 8 | |
| 9 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException; | |
| 10 | |
| 11 import net.sf.saxon.s9api.Processor; | |
| 12 import net.sf.saxon.s9api.QName; | |
| 13 import net.sf.saxon.s9api.SaxonApiException; | |
| 14 import net.sf.saxon.s9api.Serializer; | |
| 15 import net.sf.saxon.s9api.XdmAtomicValue; | |
| 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 FragmentTransformer { | |
| 22 private Processor processor; | |
| 23 private XsltCompiler xsltCompiler; | |
| 24 private XsltTransformer xsltFragmentTransformer; | |
| 25 | |
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26 public FragmentTransformer() throws ApplicationException { |
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27 init(); |
| 18 | 28 } |
| 29 | |
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30 public FragmentTransformer(String xmlFileName) throws ApplicationException { |
| 18 | 31 init(); |
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32 try { |
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33 StreamSource xmlDoc = new StreamSource(xmlFileName); |
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34 xsltFragmentTransformer.setSource(xmlDoc); // needs some time for bigger documents |
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35 } catch (SaxonApiException e) { |
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36 throw new ApplicationException(e); |
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37 } |
| 18 | 38 } |
| 39 | |
| 40 private void init() throws ApplicationException { | |
| 41 try { | |
| 42 processor = new Processor(false); | |
| 43 xsltCompiler = processor.newXsltCompiler(); | |
| 44 URL getFragmentXslUrl = FragmentTransformer.class.getResource("getFragment.xsl"); | |
| 45 StreamSource xslStreamSource = new StreamSource(getFragmentXslUrl.openStream()); | |
| 46 XsltExecutable xsltExecutable = xsltCompiler.compile(xslStreamSource); | |
| 47 xsltFragmentTransformer = xsltExecutable.load(); | |
| 48 } catch (SaxonApiException e) { | |
| 49 throw new ApplicationException(e); | |
| 50 } catch (IOException e) { | |
| 51 throw new ApplicationException(e); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 public String getFragment(String xmlFileName, String ms1Name, int ms1Pos, String ms2Name, int ms2Pos) throws ApplicationException { | |
| 56 String pageFragment = null; | |
| 57 try { | |
| 58 StreamSource xmlDoc = new StreamSource(xmlFileName); | |
| 59 Serializer serializer = new Serializer(); | |
| 60 serializer.setOutputWriter(new StringWriter()); | |
| 61 serializer.setOutputProperty(Serializer.Property.INDENT, "yes"); | |
| 62 xsltFragmentTransformer.setSource(xmlDoc); // needs some time for bigger documents | |
| 63 xsltFragmentTransformer.setDestination(serializer); | |
| 64 QName ms1NameQName = new QName("ms1Name"); | |
| 65 XdmValue ms1NameXdmValue = new XdmAtomicValue(ms1Name); | |
| 66 QName ms1PositionQName = new QName("ms1Position"); | |
| 67 XdmValue ms1PositionXdmValue = new XdmAtomicValue(ms1Pos); | |
| 68 QName ms2NameQName = new QName("ms2Name"); | |
| 69 XdmValue ms2NameXdmValue = new XdmAtomicValue(ms2Name); | |
| 70 QName ms2PositionQName = new QName("ms2Position"); | |
| 71 XdmValue ms2PositionXdmValue = new XdmAtomicValue(ms2Pos); | |
| 72 xsltFragmentTransformer.setParameter(ms1NameQName, ms1NameXdmValue); | |
| 73 xsltFragmentTransformer.setParameter(ms1PositionQName, ms1PositionXdmValue); | |
| 74 xsltFragmentTransformer.setParameter(ms2NameQName, ms2NameXdmValue); | |
| 75 xsltFragmentTransformer.setParameter(ms2PositionQName, ms2PositionXdmValue); | |
| 76 xsltFragmentTransformer.transform(); // needs some time for bigger documents | |
| 77 pageFragment = serializer.getOutputDestination().toString(); | |
| 78 } catch (Exception e) { | |
| 79 throw new ApplicationException(e); | |
| 80 } | |
| 81 return pageFragment; | |
| 82 } | |
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83 |
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84 public String getFragment(String ms1Name, int ms1Pos, String ms2Name, int ms2Pos) throws ApplicationException { |
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85 String pageFragment = null; |
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86 try { |
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87 Serializer serializer = new Serializer(); |
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88 serializer.setOutputWriter(new StringWriter()); |
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89 serializer.setOutputProperty(Serializer.Property.INDENT, "yes"); |
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90 xsltFragmentTransformer.setDestination(serializer); |
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91 QName ms1NameQName = new QName("ms1Name"); |
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92 XdmValue ms1NameXdmValue = new XdmAtomicValue(ms1Name); |
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93 QName ms1PositionQName = new QName("ms1Position"); |
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94 XdmValue ms1PositionXdmValue = new XdmAtomicValue(ms1Pos); |
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95 QName ms2NameQName = new QName("ms2Name"); |
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96 XdmValue ms2NameXdmValue = new XdmAtomicValue(ms2Name); |
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97 QName ms2PositionQName = new QName("ms2Position"); |
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98 XdmValue ms2PositionXdmValue = new XdmAtomicValue(ms2Pos); |
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99 xsltFragmentTransformer.setParameter(ms1NameQName, ms1NameXdmValue); |
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100 xsltFragmentTransformer.setParameter(ms1PositionQName, ms1PositionXdmValue); |
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101 xsltFragmentTransformer.setParameter(ms2NameQName, ms2NameXdmValue); |
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102 xsltFragmentTransformer.setParameter(ms2PositionQName, ms2PositionXdmValue); |
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103 xsltFragmentTransformer.transform(); // needs some time for bigger documents |
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104 pageFragment = serializer.getOutputDestination().toString(); |
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105 } catch (Exception e) { |
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106 throw new ApplicationException(e); |
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107 } |
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108 return pageFragment; |
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109 } |
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110 |
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111 |
| 18 | 112 } |