Examples of nu.xom.xslt.XSLTransform

nu.xom.xslt.XSLTransform
Serves as an interface to a TrAX aware XSLT processor such as Xalan or Saxon. The following example shows how to apply an XSL Transformation to a XOM document and get the transformation result in the form of a XOM Nodes:
```
public static Nodes transform(Document in)  throws XSLException, ParsingException, IOException { Builder builder = new Builder(); Document stylesheet = builder.build("mystylesheet.xsl"); XSLTransform transform = new XSLTransform(stylesheet); return transform.transform(doc); } 
```
XOM relies on TrAX to perform the transformation. The javax.xml.transform.TransformerFactory Java system property determines which XSLT engine TrAX uses. Its value should be the fully qualified name of the implementation of the abstract javax.xml.transform.TransformerFactory class. Values of this property for popular XSLT processors include:
- Saxon 6.x: com.icl.saxon.TransformerFactoryImpl
- Saxon 7.x and 8.x: net.sf.saxon.TransformerFactoryImpl
- Xalan interpretive: org.apache.xalan.processor.TransformerFactoryImpl
- Xalan XSLTC: org.apache.xalan.xsltc.trax.TransformerFactoryImpl
- jd.xslt: jd.xml.xslt.trax.TransformerFactoryImpl
- Oracle: oracle.xml.jaxp.JXSAXTransformerFactory
- Java 1.5 bundled Xalan: com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl
This property can be set in all the usual ways a Java system property can be set. TrAX picks from them in this order:
1. The most recent value specified by invoking System.setProperty("javax.xml.transform.TransformerFactory", "classname")
2. The value specified at the command line using the -Djavax.xml.transform.TransformerFactory=classname option to the java interpreter
3. The class named in the lib/jaxp.properties properties file in the JRE directory, in a line like this one:
```
javax.xml.parsers.DocumentBuilderFactory=classname
```
4. The class named in the META-INF/services/javax.xml.transform.TransformerFactory file in the JAR archives available to the runtime
5. Finally, if all of the above options fail, a default implementation is chosen. In Sun's JDK 1.4.0 and 1.4.1, this is Xalan 2.2d10. In JDK 1.4.2, this is Xalan 2.4. In JDK 1.4.2_02, this is Xalan 2.4.1. In JDK 1.4.2_03, 1.5 beta 2, and 1.5 RC1 this is Xalan 2.5.2. In JDK 1.4.2_05, this is Xalan 2.4.1. (Yes, Sun appears to have reverted to 2.4.1 in 1.4.2_05.)
@author Elliotte Rusty Harold @version 1.1b3

      throws IOException, ParsingException, XSLException {
        
        File stylesheet = new File(inputDir, "identity.xsl");
        Builder builder = new Builder();
        Document stylesheetDoc = builder.build(stylesheet);
        XSLTransform xform = new XSLTransform(stylesheetDoc, 
          new NodeFactory() {
            public Nodes makeComment(String text) {
                return new Nodes(new Attribute("comment", text));   
            }
        });


        String data = "<a><!--test--></a>";
        Document doc = builder.build(data, "http://www.example.org/");
        
        Nodes result = xform.transform(doc);
        
        assertEquals(1, result.size());
        Element a = (Element) result.get(0);
        assertEquals("a", a.getLocalName());
        assertEquals(0, a.getChildCount());

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      throws IOException, ParsingException, XSLException {  
        
        File stylesheet = new File(inputDir, "identity.xsl");
        Builder builder = new Builder();
        Document stylesheetDoc = builder.build(stylesheet);
        XSLTransform xform = new XSLTransform(stylesheetDoc);


        String data = "<pre:a xmlns:pre='http://www.example.org' " +
                "xmlns='http://www.example.net'>data</pre:a>";
        Document doc = builder.build(data, "http://www.example.org/");
        
        Nodes result = xform.transform(doc);
        
        assertEquals(1, result.size());
        Element a = (Element) result.get(0);
        assertEquals("a", a.getLocalName());
        assertEquals("pre:a", a.getQualifiedName());

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                    try {
                        Document inputDoc = builder.build(input);
                        Document styleDoc = builder.build(style);
                        // If the transform specifies indent="yes".
                        // we remove all white space before comparing
                        XSLTransform xform;
                        if (indentYes(styleDoc)) {
                            xform = new XSLTransform(styleDoc, stripper);
                        }
                        else xform = new XSLTransform(styleDoc);
                        Nodes result = xform.transform(inputDoc);
                        if (output == null) {
                            // transform should have failed
                            fail("Transformed " + id);
                        }
                        else {

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                        // xsl:output at same import precedence, though
                        // 2.6.0 does
                        continue;
                    } 
                    Document inputDoc = builder.build(input);
                    XSLTransform xform;
                    if (strip) xform = new XSLTransform(styleDoc, stripper);
                    else xform = new XSLTransform(styleDoc);
                    Nodes result = xform.transform(inputDoc);
                    if (output == null) {
                        if ("Attributes__89463".equals(id)
                          || "Attributes__89465".equals(id)) {
                            // Processors are allowed to recover from
                            // this problem.

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        File style = new File(base, "MSFT_CONFORMANCE_TESTS/KEYS/input.xsl");
        File output = new File(base, "MSFT_CONFORMANCE_TESTS/KEYS/out/PerfRepro3.txt");;
 
        Document styleDoc = builder.build(style);
        Document inputDoc = builder.build(input);
        XSLTransform xform = new XSLTransform(styleDoc);
        Nodes result = xform.transform(inputDoc);
        Document expectedResult = builder.build(output);
        Document actualResult = XSLTransform.toDocument(result);
        assertEquals(expectedResult, actualResult);
     
    }

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        File style = new File(base, "MSFT_CONFORMANCE_TESTS/Sorting/2_5_13_repeat.xsl");
        File output = new File(base, "MSFT_CONFORMANCE_TESTS/Sorting/out/89749.txt");;
 
        Document styleDoc = builder.build(style);
        Document inputDoc = builder.build(input);
        XSLTransform xform = new XSLTransform(styleDoc);
        Nodes result = xform.transform(inputDoc);
        /*Document expectedResult = builder.build(output);
        Document actualResult = XSLTransform.toDocument(result);
        assertEquals(expectedResult, actualResult); */
     
    }

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   * @throws XSLException if there are XSL problems transforming with stylesheets
   * @throws IOException if there are problems reading or parsing the Schematron file
   */
  public List<ValidationMessage> validateWithSchematron(File schematronFile) throws XSLException, IOException {
    List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
    XSLTransform schematronTransform = Util.buildSchematronTransform(schematronFile);
    Nodes nodes = schematronTransform.transform(new Document(getXOMElementCopy()));
    Document doc = XSLTransform.toDocument(nodes);


    XPathContext context = XPathContext.makeNamespaceContext(doc.getRootElement());
    String svrlNamespace = context.lookup("svrl");
    Nodes outputNodes = doc.query("//svrl:failed-assert | //svrl:successful-report", context);

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    }
    Document schDocument = Util.buildXmlDocument(new FileInputStream(schematronFile));
    String queryBinding = getSchematronQueryBinding(schDocument);


    // long time = new Date().getTime();
    XSLTransform phase1 = getSchematronIncludeTransform();
    // System.out.println((new Date().getTime() - time) + "ms (Include)");


    // time = new Date().getTime();
    XSLTransform phase2 = getSchematronAbstractTransform();
    // System.out.println((new Date().getTime() - time) + "ms (Abstract)");


    // time = new Date().getTime();
    XSLTransform phase3 = getSchematronSvrlTransform(queryBinding);
    // System.out.println((new Date().getTime() - time) + "ms (SVRL)");


    // time = new Date().getTime();
    Nodes nodes = phase3.transform(phase2.transform(phase1.transform(schDocument)));
    // System.out.println((new Date().getTime() - time) + "ms (Base transformation 1, 2, 3)");


    // time = new Date().getTime();
    XSLTransform finalTransform = new XSLTransform(XSLTransform.toDocument(nodes));
    // System.out.println((new Date().getTime() - time) + "ms (Schematron Validation)");


    return (finalTransform);
  }

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   * @return the phase one transform
   */
  private synchronized static XSLTransform getSchematronIncludeTransform() throws IOException, XSLException {
    if (_schematronIncludeTransform == null) {
      InputStream includeStylesheet = getLoader().getResourceAsStream("schematron/iso_dsdl_include.xsl");
      _schematronIncludeTransform = new XSLTransform(Util.buildXmlDocument(includeStylesheet));
    }
    return (_schematronIncludeTransform);
  }

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   * @return the phase two transform
   */
  private synchronized static XSLTransform getSchematronAbstractTransform() throws IOException, XSLException {
    if (_schematronAbstractTransform == null) {
      InputStream abstractStylesheet = getLoader().getResourceAsStream("schematron/iso_abstract_expand.xsl");
      _schematronAbstractTransform = new XSLTransform(Util.buildXmlDocument(abstractStylesheet));
    }
    return (_schematronAbstractTransform);
  }

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