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

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author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Tue, 27 Nov 2012 12:35:19 +0100
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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1 package de.mpg.mpiwg.berlin.mpdl.cms.transform;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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2
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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3 import java.io.IOException;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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4 import java.io.StringReader;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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5 import java.io.StringWriter;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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6 import java.net.URL;
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7
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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8 import javax.xml.transform.stream.StreamSource;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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9
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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10 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
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11
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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12 import net.sf.saxon.s9api.Processor;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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13 import net.sf.saxon.s9api.QName;
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14 import net.sf.saxon.s9api.SaxonApiException;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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15 import net.sf.saxon.s9api.Serializer;
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16 import net.sf.saxon.s9api.XdmAtomicValue;
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17 import net.sf.saxon.s9api.XdmValue;
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18 import net.sf.saxon.s9api.XsltCompiler;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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19 import net.sf.saxon.s9api.XsltExecutable;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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20 import net.sf.saxon.s9api.XsltTransformer;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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21
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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22 public class TocTransformer {
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23 private Processor processor;
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24 private XsltCompiler xsltCompiler;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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25 private XsltTransformer tocTransformer;
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26
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27 public TocTransformer() throws ApplicationException {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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28 init();
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29 }
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30
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31 private void init() throws ApplicationException {
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32 try {
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33 processor = new Processor(false);
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34 xsltCompiler = processor.newXsltCompiler();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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35 URL tocXslUrl = TocTransformer.class.getResource("tocOut.xsl");
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36 StreamSource xslStreamSource = new StreamSource(tocXslUrl.openStream());
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37 XsltExecutable xsltExecutable = xsltCompiler.compile(xslStreamSource);
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38 tocTransformer = xsltExecutable.load();
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39 } catch (SaxonApiException e) {
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40 throw new ApplicationException(e);
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41 } catch (IOException e) {
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42 throw new ApplicationException(e);
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43 }
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44 }
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45
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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46 public String transform(String inputStr, String type, String outputFormat) throws ApplicationException {
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47 String result = null;
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48 try {
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49 StringReader inputStrReader = new StringReader(inputStr);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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50 StreamSource xmlDoc = new StreamSource(inputStrReader);
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51 Serializer serializer = new Serializer();
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52 serializer.setOutputWriter(new StringWriter());
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53 serializer.setOutputProperty(Serializer.Property.SAXON_STYLESHEET_VERSION, "2.0");
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54 serializer.setOutputProperty(Serializer.Property.METHOD, "xhtml");
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55 serializer.setOutputProperty(Serializer.Property.INDENT, "no");
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56 serializer.setOutputProperty(Serializer.Property.OMIT_XML_DECLARATION, "yes");
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57 serializer.setOutputProperty(Serializer.Property.ENCODING, "utf-8");
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58 tocTransformer.setSource(xmlDoc);
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59 tocTransformer.setDestination(serializer);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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60 QName typeQName = new QName("type");
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61 XdmValue typeXdmValue = new XdmAtomicValue(type);
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62 QName outputFormatQName = new QName("outputFormat");
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63 XdmValue outputFormatXdmValue = new XdmAtomicValue(outputFormat);
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64 tocTransformer.setParameter(typeQName, typeXdmValue);
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65 tocTransformer.setParameter(outputFormatQName, outputFormatXdmValue);
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66 tocTransformer.transform();
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67 result = serializer.getOutputDestination().toString();
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68 } catch (Exception e) {
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69 throw new ApplicationException(e);
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70 }
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71 return result;
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72 }
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73
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74 }