javax.xml.transform.sax.TransformerHandler Java Examples

/**
 * Performs identity transformation.
 */
public static <T extends Result>
T identityTransform(Source src, T result) throws TransformerException, SAXException, ParserConfigurationException, IOException {
    if (src instanceof StreamSource) {
        // work around a bug in JAXP in JDK6u4 and earlier where the namespace processing
        // is not turned on by default
        StreamSource ssrc = (StreamSource) src;
        TransformerHandler th = ((SAXTransformerFactory) transformerFactory.get()).newTransformerHandler();
        th.setResult(result);
        XMLReader reader = saxParserFactory.get().newSAXParser().getXMLReader();
        reader.setContentHandler(th);
        reader.setProperty(LEXICAL_HANDLER_PROPERTY, th);
        reader.parse(toInputSource(ssrc));
    } else {
        newTransformer().transform(src, result);
    }
    return result;
}
 

/**
 * Test method for the filter.
 *
 * @exception Exception
 *                test failed
 */
@Test
public void testFilter() throws Exception {
    final TransformerFactory tf = TransformerFactory.newInstance();
    final TransformerHandler th = ((SAXTransformerFactory) tf)
            .newTransformerHandler();
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    final Result result = new StreamResult(out);
    th.setResult(result);
    final SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setValidating(false);
    spf.setNamespaceAware(true);
    spf.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
    final SAXParser parser = spf.newSAXParser();
    final XMLFilterImpl filter = new BeansFilter(parser.getXMLReader());
    filter.setContentHandler(th);
    final InputStream in =
        new FileInputStream("../org.jvoicexml.config/src/test/resources/config/test-implementation.xml");
    final InputSource input = new InputSource(in);
    filter.parse(input);
    final String str = out.toString();
    Assert.assertTrue("classpath should be removed",
            str.indexOf("classpath") < 0);
    Assert.assertTrue("repository should be removed",
            str.indexOf("repository") < 0);
}
 

/**
 * Test newTransformerHandler with a Template Handler.
 *
 * @throws Exception If any errors occur.
 */
public void testcase08() throws Exception {
    String outputFile = USER_DIR + "saxtf008.out";
    String goldFile = GOLDEN_DIR + "saxtf008GF.out";

    try (FileOutputStream fos = new FileOutputStream(outputFile)) {
        XMLReader reader = XMLReaderFactory.createXMLReader();
        SAXTransformerFactory saxTFactory
                = (SAXTransformerFactory)TransformerFactory.newInstance();

        TemplatesHandler thandler = saxTFactory.newTemplatesHandler();
        reader.setContentHandler(thandler);
        reader.parse(XSLT_FILE);
        TransformerHandler tfhandler
                = saxTFactory.newTransformerHandler(thandler.getTemplates());

        Result result = new StreamResult(fos);
        tfhandler.setResult(result);

        reader.setContentHandler(tfhandler);
        reader.parse(XML_FILE);
    }
    assertTrue(compareWithGold(goldFile, outputFile));
}
 

void save(IGanttProject project, TransformerHandler handler) throws SAXException {
  AttributesImpl attrs = new AttributesImpl();
  startElement("vacations", handler);
  HumanResource[] resources = project.getHumanResourceManager().getResourcesArray();
  for (int i = 0; i < resources.length; i++) {
    HumanResource p = resources[i];
    if (p.getDaysOff() != null)
      for (int j = 0; j < p.getDaysOff().size(); j++) {
        GanttDaysOff gdo = (GanttDaysOff) p.getDaysOff().getElementAt(j);
        addAttribute("start", gdo.getStart().toXMLString(), attrs);
        addAttribute("end", gdo.getFinish().toXMLString(), attrs);
        addAttribute("resourceid", p.getId(), attrs);
        emptyElement("vacation", attrs, handler);
      }
  }
  endElement("vacations", handler);
}
 

/**
 * Test newTransformerHandler with a Template Handler along with a relative
 * URI in the style-sheet file.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testcase09() throws Exception {
    String outputFile = USER_DIR + "saxtf009.out";
    String goldFile = GOLDEN_DIR + "saxtf009GF.out";

    try (FileOutputStream fos = new FileOutputStream(outputFile)) {
        XMLReader reader = XMLReaderFactory.createXMLReader();
        SAXTransformerFactory saxTFactory
                = (SAXTransformerFactory)TransformerFactory.newInstance();

        TemplatesHandler thandler = saxTFactory.newTemplatesHandler();
        thandler.setSystemId("file:///" + XML_DIR);
        reader.setContentHandler(thandler);
        reader.parse(XSLT_INCL_FILE);
        TransformerHandler tfhandler=
            saxTFactory.newTransformerHandler(thandler.getTemplates());
        Result result = new StreamResult(fos);
        tfhandler.setResult(result);
        reader.setContentHandler(tfhandler);
        reader.parse(XML_FILE);
    }
    assertTrue(compareWithGold(goldFile, outputFile));
}
 

public TransformerHandler getRADECFilter(double rmin, double rmax, double dmin, double dmax) throws TransformerConfigurationException, SAXException,
        ParserConfigurationException, IOException {
    double raMin = RA_MIN; // hours
    double raMax = RA_MAX; // hours
    double decMin = DEC_MIN; // degrees
    double decMax = DEC_MAX; // degrees
    if (rmin < rmax && dmin < dmax) {
        if ((rmin >= RA_MIN && rmin <= RA_MAX) && (rmax >= RA_MIN && rmax <= RA_MAX)) {
            raMin = rmin; // set value of query
            raMax = rmax; // set value of query
        }
        if ((dmin >= DEC_MIN && dmin <= DEC_MAX) && (dmax >= DEC_MIN && dmax <= DEC_MAX)) {
            decMin = dmin; // set value of query
            decMax = dmax; // set value of query
        }

    } else {
        throw new IllegalArgumentException("min must be less than max.\n" + "rmin=" + rmin + ", rmax=" + rmax + ", dmin=" + dmin + ", dmax=" + dmax);
    }

    return ffact.newRADECFilter(raMin, raMax, decMin, decMax);
}
 

/**
 * SAXTFactory.newTransformerhandler() method which takes SAXSource as
 * argument can be set to XMLReader. SAXSource has input XML file as its
 * input source. XMLReader has a content handler which write out the result
 * to output file. Test verifies output file is same as golden file.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testcase02() throws Exception {
    String outputFile = USER_DIR + "saxtf002.out";
    String goldFile = GOLDEN_DIR + "saxtf002GF.out";

    try (FileOutputStream fos = new FileOutputStream(outputFile);
            FileInputStream fis = new FileInputStream(XSLT_FILE)) {
        XMLReader reader = XMLReaderFactory.createXMLReader();
        SAXTransformerFactory saxTFactory
                = (SAXTransformerFactory) TransformerFactory.newInstance();
        SAXSource ss = new SAXSource();
        ss.setInputSource(new InputSource(fis));

        TransformerHandler handler = saxTFactory.newTransformerHandler(ss);
        Result result = new StreamResult(fos);
        handler.setResult(result);
        reader.setContentHandler(handler);
        reader.parse(XML_FILE);
    }
    assertTrue(compareWithGold(goldFile, outputFile));
}
 

/**
 * Performs identity transformation.
 */
public static <T extends Result>
T identityTransform(Source src, T result) throws TransformerException, SAXException, ParserConfigurationException, IOException {
    if (src instanceof StreamSource) {
        // work around a bug in JAXP in JDK6u4 and earlier where the namespace processing
        // is not turned on by default
        StreamSource ssrc = (StreamSource) src;
        TransformerHandler th = ((SAXTransformerFactory) transformerFactory.get()).newTransformerHandler();
        th.setResult(result);
        XMLReader reader = saxParserFactory.get().newSAXParser().getXMLReader();
        reader.setContentHandler(th);
        reader.setProperty(LEXICAL_HANDLER_PROPERTY, th);
        reader.parse(toInputSource(ssrc));
    } else {
        newTransformer().transform(src, result);
    }
    return result;
}
 

@Test
public final void testXMLStackOverflowBug() throws TransformerConfigurationException, IOException, SAXException {
    try {
        SAXTransformerFactory stf = (SAXTransformerFactory) TransformerFactory.newInstance();
        TransformerHandler ser = stf.newTransformerHandler();
        ser.setResult(new StreamResult(System.out));

        StringBuilder sb = new StringBuilder(4096);
        for (int x = 4096; x > 0; x--) {
            sb.append((char) x);
        }
        ser.characters(sb.toString().toCharArray(), 0, sb.toString().toCharArray().length);
        ser.endDocument();
    } catch (StackOverflowError se) {
        se.printStackTrace();
        Assert.fail("StackOverflow");
    }
}
 

@Test
public void testXMLSerialisation() throws SAXException, IOException {
    FSManifestIterable it = new FSManifestIterable(bundlerepo);
    BundleRepoDescriptor repo = new BundleRepoDescriptor(bundlerepo.toURI(),
            ExecutionEnvironmentProfileProvider.getInstance());
    repo.populate(it.iterator());

    SAXTransformerFactory tf = (SAXTransformerFactory) SAXTransformerFactory.newInstance();
    TransformerHandler hd;
    try {
        hd = tf.newTransformerHandler();
    } catch (TransformerConfigurationException e) {
        throw new BuildException("Sax configuration error: " + e.getMessage(), e);
    }

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    StreamResult stream = new StreamResult(out);
    hd.setResult(stream);

    OBRXMLWriter.writeManifests(it, hd, false);

    ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
    BundleRepoDescriptor repo2 = OBRXMLParser.parse(bundlerepo.toURI(), in);

    assertEquals(repo, repo2);
}
 

/**
 * Performs identity transformation.
 */
public static <T extends Result>
T identityTransform(Source src, T result) throws TransformerException, SAXException, ParserConfigurationException, IOException {
    if (src instanceof StreamSource) {
        // work around a bug in JAXP in JDK6u4 and earlier where the namespace processing
        // is not turned on by default
        StreamSource ssrc = (StreamSource) src;
        TransformerHandler th = ((SAXTransformerFactory) transformerFactory.get()).newTransformerHandler();
        th.setResult(result);
        XMLReader reader = saxParserFactory.get().newSAXParser().getXMLReader();
        reader.setContentHandler(th);
        reader.setProperty(LEXICAL_HANDLER_PROPERTY, th);
        reader.parse(toInputSource(ssrc));
    } else {
        newTransformer().transform(src, result);
    }
    return result;
}
 

/**
 * Performs identity transformation.
 */
public static <T extends Result>
T identityTransform(Source src, T result) throws TransformerException, SAXException, ParserConfigurationException, IOException {
    if (src instanceof StreamSource) {
        // work around a bug in JAXP in JDK6u4 and earlier where the namespace processing
        // is not turned on by default
        StreamSource ssrc = (StreamSource) src;
        TransformerHandler th = ((SAXTransformerFactory) transformerFactory.get()).newTransformerHandler();
        th.setResult(result);
        XMLReader reader = saxParserFactory.get().newSAXParser().getXMLReader();
        reader.setContentHandler(th);
        reader.setProperty(LEXICAL_HANDLER_PROPERTY, th);
        reader.parse(toInputSource(ssrc));
    } else {
        newTransformer().transform(src, result);
    }
    return result;
}
 

private void saveCustomProperties(IGanttProject project, HumanResource resource, TransformerHandler handler)
    throws SAXException {
  // CustomPropertyManager customPropsManager =
  // project.getHumanResourceManager().getCustomPropertyManager();
  AttributesImpl attrs = new AttributesImpl();
  List<CustomProperty> properties = resource.getCustomProperties();
  for (int i = 0; i < properties.size(); i++) {
    CustomProperty nextProperty = properties.get(i);
    CustomPropertyDefinition nextDefinition = nextProperty.getDefinition();
    assert nextProperty != null : "WTF? null property in properties=" + properties;
    assert nextDefinition != null : "WTF? null property definition for property=" + i + "(value="
        + nextProperty.getValueAsString() + ")";
    if (nextProperty.getValue() != null && !nextProperty.getValue().equals(nextDefinition.getDefaultValue())) {
      addAttribute("definition-id", nextDefinition.getID(), attrs);
      addAttribute("value", nextProperty.getValueAsString(), attrs);
      emptyElement("custom-property", attrs, handler);
    }
  }
}
 

/**
 * Get a TransformerHandler object that can process SAX ContentHandler
 * events based on a copy transformer.
 * Uses com.sun.org.apache.xalan.internal.processor.TransformerFactory.
 */
public TransformerHandler newTransformerHandler()
    throws TransformerConfigurationException
{
    if (_xalanFactory == null) {
        createXalanTransformerFactory();
    }
    if (_errorlistener != null) {
        _xalanFactory.setErrorListener(_errorlistener);
    }
    if (_uriresolver != null) {
        _xalanFactory.setURIResolver(_uriresolver);
    }
    return _xalanFactory.newTransformerHandler();
}
 

/**
 * Returns an appropriate Tika ContentHandler for the
 *  requested content type. Normally you'll let this
 *  work as default, but if you need fine-grained
 *  control of how the Tika events become text then
 *  override and supply your own.
 */
protected ContentHandler getContentHandler(String targetMimeType, Writer output) 
               throws TransformerConfigurationException
{
   if(MimetypeMap.MIMETYPE_TEXT_PLAIN.equals(targetMimeType)) 
   {
      return new BodyContentHandler(output);
   }
   
   SAXTransformerFactory factory = (SAXTransformerFactory)
         SAXTransformerFactory.newInstance();
   TransformerHandler handler = factory.newTransformerHandler();
   handler.getTransformer().setOutputProperty(OutputKeys.INDENT, "yes");
   handler.setResult(new StreamResult(output));
   
   if(MimetypeMap.MIMETYPE_HTML.equals(targetMimeType))
   {
      handler.getTransformer().setOutputProperty(OutputKeys.METHOD, "html");
      return new ExpandedTitleContentHandler(handler);
   }
   else if(MimetypeMap.MIMETYPE_XHTML.equals(targetMimeType) ||
           MimetypeMap.MIMETYPE_XML.equals(targetMimeType))
   {
      handler.getTransformer().setOutputProperty(OutputKeys.METHOD, "xml");
   }
   else
   {
      throw new TransformerInfoException(
            WRONG_FORMAT_MESSAGE_ID,
            new IllegalArgumentException("Requested target type " + targetMimeType + " not supported")
      );
   }
   return handler;
}
 

/**
 * javax.xml.transform.sax.SAXTransformerFactory implementation.
 * Get a TransformerHandler object that can process SAX ContentHandler
 * events into a Result, based on the transformation instructions
 * specified by the argument.
 *
 * @param src The source of the transformation instructions.
 * @return A TransformerHandler object that can handle SAX events
 * @throws TransformerConfigurationException
 */
@Override
public TransformerHandler newTransformerHandler(Source src)
    throws TransformerConfigurationException
{
    final Transformer transformer = newTransformer(src);
    if (_uriResolver != null) {
        transformer.setURIResolver(_uriResolver);
    }
    return new TransformerHandlerImpl((TransformerImpl) transformer);
}
 

/**
 * Creates a new identity transformer.
 */
public static TransformerHandler createTransformerHandler(boolean disableSecureProcessing) {
    try {
        SAXTransformerFactory tf = (SAXTransformerFactory)XmlFactory.createTransformerFactory(disableSecureProcessing);
        return tf.newTransformerHandler();
    } catch (TransformerConfigurationException e) {
        throw new Error(e); // impossible
    }
}
 

@Override
protected void parsingCompleted(Exchange exchange, Message msg, AsyncXMLReader xmlReader){
    TransformerHandler handler = (TransformerHandler)xmlReader.getContentHandler();
    DOMResult result = (DOMResult)handler.getTransformer().getParameter(DOMResult.class.getName());
    MediaType mt = msg.getPayload().getMediaType();
    String contentType = mt.withCharset(IOUtil.UTF_8.name()).toString();
    try{
        msg.setPayload(new DOMPayload(contentType, result.getNode(), false, -1));
    }catch(Throwable thr){
        exchange.resume(thr);
        return;
    }
    super.parsingCompleted(exchange, msg, xmlReader);
}
 

@Override
protected void setSAXConsumer(final SAXConsumer consumer) {
    TransformerHandler transformerHandler;
    try {
        transformerHandler = TRAX_FACTORY.newTransformerHandler(this.templates);
    } catch (Exception e) {
        throw new SetupException("Could not initialize transformer handler.", e);
    }

    if (this.parameters != null) {
        final Transformer transformer = transformerHandler.getTransformer();

        this.parameters.forEach((name, values) -> {
            // is valid XSLT parameter name
            if (XSLT_PARAMETER_NAME_PATTERN.matcher(name).matches()) {
                transformer.setParameter(name, values);
            }
        });
    }

    final SAXResult result = new SAXResult();
    result.setHandler(consumer);
    // According to TrAX specs, all TransformerHandlers are LexicalHandlers
    result.setLexicalHandler(consumer);
    transformerHandler.setResult(result);

    final SAXConsumerAdapter saxConsumerAdapter = new SAXConsumerAdapter();
    saxConsumerAdapter.setContentHandler(transformerHandler);
    super.setSAXConsumer(saxConsumerAdapter);
}
 

@Test
@Ignore("No contract to call endDocument() in case of an Exception")
public void testX31ContentHandlerAsStreamError() throws Exception {
	
	CloseObservableOutputStream cos = new CloseObservableOutputStream() {

		@Override
		public void write(byte[] arg0, int arg1, int arg2) {
			throw new RuntimeException("fakeFailure");
		}
		
	};
	Result result = new StreamResult(cos);
	SAXTransformerFactory tf = (SAXTransformerFactory) TransformerFactory.newInstance();
	TransformerHandler transformerHandler = tf.newTransformerHandler();
	transformerHandler.setResult(result);

	try (MessageOutputStream stream = new MessageOutputStream(null, transformerHandler, (IForwardTarget)null, null, null)) {

		try {
			try (Writer writer = stream.asWriter()) {
				writer.write(testString);
			}
			fail("exception should be thrown");
		} catch (Exception e) {
			assertThat(e.getMessage(),StringContains.containsString("fakeFailure"));
		}

	}
	assertTrue(cos.isCloseCalled());
}
 

/**
 * Creates a new identity transformer.
 */
public static TransformerHandler createTransformerHandler(boolean disableSecureProcessing) {
    try {
        SAXTransformerFactory tf = (SAXTransformerFactory)XmlFactory.createTransformerFactory(disableSecureProcessing);
        return tf.newTransformerHandler();
    } catch (TransformerConfigurationException e) {
        throw new Error(e); // impossible
    }
}
 

/**
 * javax.xml.transform.sax.SAXTransformerFactory implementation.
 * Get a TransformerHandler object that can process SAX ContentHandler
 * events into a Result, based on the transformation instructions
 * specified by the argument.
 *
 * @param src The source of the transformation instructions.
 * @return A TransformerHandler object that can handle SAX events
 * @throws TransformerConfigurationException
 */
@Override
public TransformerHandler newTransformerHandler(Source src)
    throws TransformerConfigurationException
{
    final Transformer transformer = newTransformer(src);
    if (_uriResolver != null) {
        transformer.setURIResolver(_uriResolver);
    }
    return new TransformerHandlerImpl((TransformerImpl) transformer);
}
 

/**
 * Get a TransformerHandler object that can process SAX ContentHandler
 * events based on a transformer specified by the stylesheet Source.
 * Uses com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactory.
 */
public TransformerHandler newTransformerHandler(Templates templates)
    throws TransformerConfigurationException
{
    if (_xsltcFactory == null) {
        createXSLTCTransformerFactory();
    }
    if (_errorlistener != null) {
        _xsltcFactory.setErrorListener(_errorlistener);
    }
    if (_uriresolver != null) {
        _xsltcFactory.setURIResolver(_uriresolver);
    }
    return _xsltcFactory.newTransformerHandler(templates);
}
 

@Override
protected void addHandlers(AsyncXMLReader xmlReader) throws Exception{
    TransformerHandler handler = TransformerUtil.newTransformerHandler(null, false, -1, null);
    SAXUtil.setHandler(xmlReader, handler);
    DOMResult result = createDOMResult();
    handler.setResult(result);
    handler.getTransformer().setParameter(DOMResult.class.getName(), result);
}
 

/**
 * Creates a new identity transformer.
 */
public static TransformerHandler createTransformerHandler(boolean disableSecureProcessing) {
    try {
        SAXTransformerFactory tf = (SAXTransformerFactory)XmlFactory.createTransformerFactory(disableSecureProcessing);
        return tf.newTransformerHandler();
    } catch (TransformerConfigurationException e) {
        throw new Error(e); // impossible
    }
}
 

/**
 * Get a TransformerHandler object that can process SAX ContentHandler
 * events based on a transformer specified by the stylesheet Source.
 * Uses com.sun.org.apache.xalan.internal.processor.TransformerFactory.
 */
public TransformerHandler newTransformerHandler(Source src)
    throws TransformerConfigurationException
{
    if (_xalanFactory == null) {
        createXalanTransformerFactory();
    }
    if (_errorlistener != null) {
        _xalanFactory.setErrorListener(_errorlistener);
    }
    if (_uriresolver != null) {
        _xalanFactory.setURIResolver(_uriresolver);
    }
    return _xalanFactory.newTransformerHandler(src);
}
 

protected LinkedList<TransformerHandler> getTransformHandlerList(MCRParameterCollector parameterCollector)
    throws TransformerConfigurationException, SAXException, ParserConfigurationException {
    checkTemplateUptodate();
    LinkedList<TransformerHandler> xslSteps = new LinkedList<>();
    //every transformhandler shares the same ErrorListener instance
    MCRErrorListener errorListener = MCRErrorListener.getInstance();
    for (Templates template : templates) {
        TransformerHandler handler = tFactory.newTransformerHandler(template);
        parameterCollector.setParametersTo(handler.getTransformer());
        handler.getTransformer().setErrorListener(errorListener);
        if (TRACE_LISTENER_ENABLED) {
            TransformerImpl transformer = (TransformerImpl) handler.getTransformer();
            TraceManager traceManager = transformer.getTraceManager();
            try {
                traceManager.addTraceListener(TRACE_LISTENER);
            } catch (TooManyListenersException e) {
                LOGGER.warn("Could not add MCRTraceListener.", e);
            }
        }
        if (!xslSteps.isEmpty()) {
            Result result = new SAXResult(handler);
            xslSteps.getLast().setResult(result);
        }
        xslSteps.add(handler);
    }
    return xslSteps;
}
 

/**
 * Unit test newTransformerHandler with a DOMSource.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testcase06() throws Exception {
    String outputFile = USER_DIR + "saxtf006.out";
    String goldFile = GOLDEN_DIR + "saxtf006GF.out";

    try (FileOutputStream fos = new FileOutputStream(outputFile)) {
        XMLReader reader = XMLReaderFactory.createXMLReader();
        SAXTransformerFactory saxTFactory
                = (SAXTransformerFactory)TransformerFactory.newInstance();

        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setNamespaceAware(true);
        DocumentBuilder docBuilder = dbf.newDocumentBuilder();
        Node node = (Node)docBuilder.parse(new File(XSLT_INCL_FILE));

        DOMSource domSource = new DOMSource(node, "file:///" + XML_DIR);
        TransformerHandler handler =
                    saxTFactory.newTransformerHandler(domSource);

        Result result = new StreamResult(fos);
        handler.setResult(result);
        reader.setContentHandler(handler);
        reader.parse(XML_FILE);
    }
    assertTrue(compareWithGold(goldFile, outputFile));
}
 

/**
 * javax.xml.transform.sax.SAXTransformerFactory implementation.
 * Get a TransformerHandler object that can process SAX ContentHandler
 * events into a Result. This method will return a pure copy transformer.
 *
 * @return A TransformerHandler object that can handle SAX events
 * @throws TransformerConfigurationException
 */
@Override
public TransformerHandler newTransformerHandler()
    throws TransformerConfigurationException
{
    final Transformer transformer = newTransformer();
    if (_uriResolver != null) {
        transformer.setURIResolver(_uriResolver);
    }
    return new TransformerHandlerImpl((TransformerImpl) transformer);
}
 

@Test
public void testPipe()
throws TransformerException, TransformerConfigurationException, 
        SAXException, IOException	   
{
   // Instantiate  a TransformerFactory.
 	TransformerFactory tFactory = TransformerFactory.newInstance();
   // Determine whether the TransformerFactory supports The use uf SAXSource 
   // and SAXResult
   if (tFactory.getFeature(SAXSource.FEATURE) && tFactory.getFeature(SAXResult.FEATURE))
   { 
     // Cast the TransformerFactory to SAXTransformerFactory.
     SAXTransformerFactory saxTFactory = ((SAXTransformerFactory) tFactory);	  
     // Create a TransformerHandler for each stylesheet.
     TransformerHandler tHandler1 = saxTFactory.newTransformerHandler(new StreamSource(PipeTest.class.getResourceAsStream("foo1.xsl")));
     TransformerHandler tHandler2 = saxTFactory.newTransformerHandler(new StreamSource(PipeTest.class.getResourceAsStream("foo2.xsl")));
     TransformerHandler tHandler3 = saxTFactory.newTransformerHandler(new StreamSource(PipeTest.class.getResourceAsStream("foo3.xsl")));
   
     // Create an XMLReader.
    XMLReader reader = XMLReaderFactory.createXMLReader();
     reader.setContentHandler(tHandler1);
     reader.setProperty("http://xml.org/sax/properties/lexical-handler", tHandler1);

     tHandler1.setResult(new SAXResult(tHandler2));
     tHandler2.setResult(new SAXResult(tHandler3));

     // transformer3 outputs SAX events to the serializer.
     java.util.Properties xmlProps = OutputPropertiesFactory.getDefaultMethodProperties("xml");
     xmlProps.setProperty("indent", "yes");
     xmlProps.setProperty("standalone", "no");
     Serializer serializer = SerializerFactory.getSerializer(xmlProps);
     serializer.setOutputStream(System.out);
     tHandler3.setResult(new SAXResult(serializer.asContentHandler()));

    // Parse the XML input document. The input ContentHandler and output ContentHandler
     // work in separate threads to optimize performance.   
     reader.parse(new InputSource(PipeTest.class.getResourceAsStream("foo.xml")));
   }
 }