javax.xml.transform.OutputKeys Java Examples

/**
 * Test
 */
@SuppressWarnings("UseSpecificCatch")
public static void main(final String... args) {
    try {
        deleteReportDocument();
        Document document = createOrOpenDocument();
        addResults(document, "benchmark1", "0.01");
        document = createOrOpenDocument();
        addResults(document, "benchmark2", "0.02");
        document = createOrOpenDocument();
        addResults(document, "benchmark3", "0.03");

        final TransformerFactory tranformerFactory = TransformerFactory.newInstance();
        final Transformer tr = tranformerFactory.newTransformer();
        tr.setOutputProperty(OutputKeys.INDENT, "yes");
        tr.transform(new DOMSource(document), new StreamResult(System.out));
    } catch (final Exception e) {
        e.printStackTrace();
    }
}
 

/**
 * Configure the supplied {@link HttpServletResponse}.
 * <p>The default implementation of this method sets the
 * {@link HttpServletResponse#setContentType content type} and
 * {@link HttpServletResponse#setCharacterEncoding encoding}
 * from the "media-type" and "encoding" output properties
 * specified in the {@link Transformer}.
 * @param model merged output Map (never {@code null})
 * @param response current HTTP response
 * @param transformer the target transformer
 */
protected void configureResponse(Map<String, Object> model, HttpServletResponse response, Transformer transformer) {
	String contentType = getContentType();
	String mediaType = transformer.getOutputProperty(OutputKeys.MEDIA_TYPE);
	String encoding = transformer.getOutputProperty(OutputKeys.ENCODING);
	if (StringUtils.hasText(mediaType)) {
		contentType = mediaType;
	}
	if (StringUtils.hasText(encoding)) {
		// Only apply encoding if content type is specified but does not contain charset clause already.
		if (contentType != null && !contentType.toLowerCase().contains(WebUtils.CONTENT_TYPE_CHARSET_PREFIX)) {
			contentType = contentType + WebUtils.CONTENT_TYPE_CHARSET_PREFIX + encoding;
		}
	}
	response.setContentType(contentType);
}
 

public String dumpDocument(Document document) {
    String result;
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        transformerFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        transformerFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
        transformerFactory.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, "");
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");

        transformer.transform(new DOMSource(document),
                new StreamResult(new OutputStreamWriter(baos, StandardCharsets.UTF_8)));
        result = baos.toString("UTF-8");
    } catch (Exception e) {
        result = e + " " + e.getMessage();
    }
    return result;
}
 

public X toObject(Node source) {
   try {
      StringWriter sw = new StringWriter();
      try {
         Transformer t = TransformerFactory.newInstance().newTransformer();
         t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
         t.transform(new DOMSource(source), new StreamResult(sw));
      } catch (TransformerException te) {
         System.out.println("nodeToString Transformer Exception");
      }
      String content =  sw.toString();

      return (X) this.getUnMarshaller().unmarshal(source);
   } catch (JAXBException var5) {
      JAXBException e = var5;

      try {
         LOG.debug("Unable to unmarshall class from source.", e);
         return this.getUnMarshaller().unmarshal(source, this.unmarshallClass).getValue();
      } catch (JAXBException var4) {
         var4.setLinkedException(var5);
         throw handleException(var4);
      }
   }
}
 

/**
 * Pretiffy an XML file
 * @param file Xml file
 * @throws MojoExecutionException Something went wrong
 */
public static final void prettify(File file) throws MojoExecutionException {
	try {

		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		DocumentBuilder builder = factory.newDocumentBuilder();
		Document document = builder.parse(file);

		trimWhitespace(document);
		
		Transformer transformer = TransformerFactory.newInstance().newTransformer();
		transformer.setOutputProperty(OutputKeys.INDENT, "yes");
		transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
		transformer.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC,"yes");			
		transformer.transform(new DOMSource(document), new StreamResult(file));

	} catch (Exception e) {

		throw new MojoExecutionException(e.getMessage(), e);

	}
}
 

private void finishReport() {
	try {
		this.out = this.builder.build();
		// set up a transformer
		rootElement.setAttribute("name", JUnitFormatter.class.getName());
		rootElement.setAttribute("failures",
				String.valueOf(rootElement.getElementsByTagName("failure").getLength()));
		rootElement.setAttribute("skipped",
				String.valueOf(rootElement.getElementsByTagName("skipped").getLength()));
		rootElement.setAttribute("time", sumTimes(rootElement.getElementsByTagName("testcase")));
		if (rootElement.getElementsByTagName("testcase").getLength() == 0) {
			addDummyTestCase(); // to avoid failed Jenkins jobs
		}
		TransformerFactory transfac = TransformerFactory.newInstance();
		Transformer trans = transfac.newTransformer();
		trans.setOutputProperty(OutputKeys.INDENT, "yes");
		StreamResult result = new StreamResult(out);
		DOMSource source = new DOMSource(doc);
		trans.transform(source, result);
		closeQuietly(out);
	} catch (TransformerException e) {
		throw new CucumberException("Error while transforming.", e);
	}
}
 

/**
 * Outputs the given XML {@link Document} as a string.
 *
 * TODO right now reformats the document. Needs to output as-is, respecting white-space.
 *
 * @param doc The document to output. Must not be null.
 * @param log A log in case of error.
 * @return A string representation of the XML. Null in case of error.
 */
static String printXmlString(
        @NonNull Document doc,
        @NonNull IMergerLog log) {
    try {
        Transformer tf = TransformerFactory.newInstance().newTransformer();
        tf.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");        //$NON-NLS-1$
        tf.setOutputProperty(OutputKeys.ENCODING, "UTF-8");                  //$NON-NLS-1$
        tf.setOutputProperty(OutputKeys.INDENT, "yes");                      //$NON-NLS-1$
        tf.setOutputProperty("{http://xml.apache.org/xslt}indent-amount",    //$NON-NLS-1$
                             "4");                                           //$NON-NLS-1$
        StringWriter sw = new StringWriter();
        tf.transform(new DOMSource(doc), new StreamResult(sw));
        return sw.toString();
    } catch (TransformerException e) {
        log.error(Severity.ERROR,
                new FileAndLine(extractXmlFilename(doc), 0),
                "Failed to write XML file: %1$s",
                e.toString());
        return null;
    }
}
 

/**
 * Test
 */
@SuppressWarnings("UseSpecificCatch")
public static void main(final String... args) {
    try {
        deleteReportDocument();
        Document document = createOrOpenDocument();
        addResults(document, "benchmark1", "0.01");
        document = createOrOpenDocument();
        addResults(document, "benchmark2", "0.02");
        document = createOrOpenDocument();
        addResults(document, "benchmark3", "0.03");

        final TransformerFactory tranformerFactory = TransformerFactory.newInstance();
        final Transformer tr = tranformerFactory.newTransformer();
        tr.setOutputProperty(OutputKeys.INDENT, "yes");
        tr.transform(new DOMSource(document), new StreamResult(System.out));
    } catch (final Exception e) {
        e.printStackTrace();
    }
}
 

public synchronized String serializeDMLConfig() 
{
	String ret = null;
	try {
		Transformer transformer = TransformerFactory.newInstance().newTransformer();
		transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
		//transformer.setOutputProperty(OutputKeys.INDENT, "yes");
		StreamResult result = new StreamResult(new StringWriter());
		DOMSource source = new DOMSource(_xmlRoot);
		transformer.transform(source, result);
		ret = result.getWriter().toString();
	}
	catch(Exception ex) {
		throw new DMLRuntimeException("Unable to serialize DML config.", ex);
	}
	
	return ret;
}
 

/**
 * Search by XPath in XML
 * @param xml XML
 * @param xpath xpath
 * @return Search result
 */
public static Optional<String> getXmlByXpath(String xml, String xpath)
{
    return XPATH_FACTORY.apply(xPathFactory -> {
        try
        {
            InputSource source = createInputSource(xml);
            NodeList nodeList = (NodeList) xPathFactory.newXPath().evaluate(xpath, source, XPathConstants.NODESET);
            Node singleNode = nodeList.item(0);
            Properties outputProperties = new Properties();
            outputProperties.setProperty(OutputKeys.OMIT_XML_DECLARATION, YES);
            return transform(new DOMSource(singleNode), outputProperties);
        }
        catch (XPathExpressionException e)
        {
            throw new IllegalStateException(e.getMessage(), e);
        }
    });
}
 

private static void insertIndent(InputStream inputStream, OutputStream outputStream)
    throws TransformerException {
  // Prefer Open JDK's default Transformer, rather than the one in net.sf.saxon:Saxon-HE. The
  // latter does not recognize "{http://xml.apache.org/xslt}indent-amount" property.
  System.setProperty(
      "javax.xml.transform.TransformerFactory",
      "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl");

  TransformerFactory transformerFactory = TransformerFactory.newInstance();
  Transformer indentTransformer = transformerFactory.newTransformer();
  indentTransformer.setOutputProperty(OutputKeys.INDENT, "yes");
  // OpenJDK's default Transformer recognizes this property
  indentTransformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
  // Add new line character after doctype declaration
  indentTransformer.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, "yes");

  indentTransformer.transform(new StreamSource(inputStream), new StreamResult(outputStream));
}
 

private Object transformAndUnmarshal(Source source, @Nullable String encoding) throws IOException {
	try {
		Transformer transformer = this.transformerFactory.newTransformer();
		if (encoding != null) {
			transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
		}
		ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
		transformer.transform(source, new StreamResult(os));
		ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray());
		return unmarshalInputStream(is);
	}
	catch (TransformerException ex) {
		throw new MarshallingFailureException(
				"Could not transform from [" + ClassUtils.getShortName(source.getClass()) + "]", ex);
	}
}
 

/**
 * Configure the supplied {@link HttpServletResponse}.
 * <p>The default implementation of this method sets the
 * {@link HttpServletResponse#setContentType content type} and
 * {@link HttpServletResponse#setCharacterEncoding encoding}
 * from the "media-type" and "encoding" output properties
 * specified in the {@link Transformer}.
 * @param model merged output Map (never {@code null})
 * @param response current HTTP response
 * @param transformer the target transformer
 */
protected void configureResponse(Map<String, Object> model, HttpServletResponse response, Transformer transformer) {
	String contentType = getContentType();
	String mediaType = transformer.getOutputProperty(OutputKeys.MEDIA_TYPE);
	String encoding = transformer.getOutputProperty(OutputKeys.ENCODING);
	if (StringUtils.hasText(mediaType)) {
		contentType = mediaType;
	}
	if (StringUtils.hasText(encoding)) {
		// Only apply encoding if content type is specified but does not contain charset clause already.
		if (contentType != null && !contentType.toLowerCase().contains(WebUtils.CONTENT_TYPE_CHARSET_PREFIX)) {
			contentType = contentType + WebUtils.CONTENT_TYPE_CHARSET_PREFIX + encoding;
		}
	}
	response.setContentType(contentType);
}
 

/**
 * Method will transform Document structure by prettify xml elements to file.
 *
 * @param document The {@link Document} object
 * @param filePath The path to the file
 */
public static void transformDomToFile(Document document, String filePath) {
    try {
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer tr = tf.newTransformer();

        //config for beautify/prettify xml content.
        tr.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        tr.setOutputProperty(OutputKeys.INDENT, "yes");
        tr.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");

        DOMSource source = new DOMSource(document);
        File file = CommonUtils.getNewFileAtPathAndRenameExisting(filePath);
        StreamResult result = new StreamResult(file);

        //transform your DOM source to the given file location.
        tr.transform(source, result);

    } catch (Exception e) {
        throw new GeneratorException("Exception while DOM conversion to file : " + filePath);
    }
}
 

/**
 * Retrieves a list of dependencies of the given scope
 */
public static List<String> getDependencies(String pom, String scope) throws Exception {
    String expression = "/project/dependencies/dependency[scope='" + scope + "']";

    DocumentBuilder builder = factory.newDocumentBuilder();
    Document doc = builder.parse(pom);
    XPath xpath = xPathfactory.newXPath();
    XPathExpression expr = xpath.compile(expression);

    List<String> dependencies = new LinkedList<>();
    NodeList nodes = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        try (StringWriter writer = new StringWriter()) {
            Transformer transformer = TransformerFactory.newInstance().newTransformer();
            transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
            transformer.transform(new DOMSource(node), new StreamResult(writer));
            String xml = writer.toString();
            dependencies.add(xml);
        }
    }

    return dependencies;
}
 

private Transformer getTransformer(Map<String, Object> model, HttpServletRequest request) throws TransformerConfigurationException {
    Transformer transformer = null;
    boolean showXML = Boolean.TRUE.equals(model.get(XsltConfiguration.SHOW_XML_SOURCE_FLAG));
    boolean refreshXSLT = devMode || Boolean.TRUE.equals(model.get(XsltConfiguration.REFRESH_XSLT_FLAG));
    if (!showXML && devMode) {
        String showXMLString = request.getParameter(XsltConfiguration.SHOW_XML_SOURCE_FLAG);
        if (showXMLString == null) {
            showXMLString = (String) request.getAttribute(XsltConfiguration.SHOW_XML_SOURCE_FLAG);
        }
        showXML = Boolean.parseBoolean(showXMLString);
    }
    if (!refreshXSLT) {
        String refreshXSLTString = request.getParameter(XsltConfiguration.REFRESH_XSLT_FLAG);
        if (refreshXSLTString == null) {
            refreshXSLTString = (String) request.getAttribute(XsltConfiguration.REFRESH_XSLT_FLAG);
        }
        refreshXSLT = Boolean.parseBoolean(refreshXSLTString);
    }
    if (showXML) {
        transformer = getTransformerFactory().newTransformer();
        transformer.setOutputProperty(OutputKeys.MEDIA_TYPE, "text/xml");
    } else {
        transformer = createTransformer(loadTemplates(!refreshXSLT));
    }
    return transformer;
}
 

public void saveToFile(final @Nonnull File file) {
  try {
    Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
    final Element element = document.createElement(MAINFILE_ELEMENT);
    document.appendChild(element);

    this.saveValueToXML(element);

    // Create transformer.
    final Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");

    // Write to file and transform.
    transformer.transform(new DOMSource(document), new StreamResult(new FileOutputStream(file)));

  } catch (ParserConfigurationException | TransformerFactoryConfigurationError
      | FileNotFoundException | TransformerException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
  }
}
 

public static String documentToString(Node document) {
  StringWriter sw = new StringWriter();
  try {
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
    transformer.transform(new DOMSource(document), new StreamResult(sw));
  } catch (TransformerException e) {
    throw new IllegalStateException("An error occurred while converting the XML to a string", e);
  }
  return sw.toString();
}
 

private Object transformAndUnmarshal(Source source, @Nullable String encoding) throws IOException {
	try {
		Transformer transformer = this.transformerFactory.newTransformer();
		if (encoding != null) {
			transformer.setOutputProperty(OutputKeys.ENCODING, encoding);
		}
		ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
		transformer.transform(source, new StreamResult(os));
		ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray());
		return unmarshalInputStream(is);
	}
	catch (TransformerException ex) {
		throw new MarshallingFailureException(
				"Could not transform from [" + ClassUtils.getShortName(source.getClass()) + "]", ex);
	}
}
 

public void transform(Document aDocument, Writer aWriter)
		throws TransformerException {

	ApplicationPreferences thePreferences = ApplicationPreferences
			.getInstance();

	Transformer theTransformer = transformerFactory.newTransformer();
	theTransformer.setOutputProperty(OutputKeys.INDENT, "yes");
	theTransformer.setOutputProperty(OutputKeys.METHOD, "xml");
	theTransformer.setOutputProperty(OutputKeys.ENCODING, PlatformConfig
			.getXMLEncoding());
	theTransformer.setOutputProperty(
			"{http://xml.apache.org/xslt}indent-amount", ""
					+ thePreferences.getXmlIndentation());
	theTransformer.transform(new DOMSource(aDocument), new StreamResult(
			aWriter));
}
 

/**
 * Sends the response to the client.
 * @param request The original request.
 * @param response The response object we can use to send the data.
 * @param respBody The XML document of the response.
 * @return A response object for Spark
 */
protected Object sendResponse(final Request request, final Response response, final BaseXMLBuilder respBody) {
    // get the bytes of the XML document
    final ByteArrayOutputStream bos = new ByteArrayOutputStream();

    try {
        final TransformerFactory transformerFactory = TransformerFactory.newInstance();
        final Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");

        final DOMSource source = new DOMSource(respBody.getDocument());
        final StreamResult result = new StreamResult(bos);
        transformer.transform(source, result);
    } catch (TransformerException e) {
        e.printStackTrace();
        return 500;
    }

    byte[] respBytes = bos.toByteArray();
    return this.sendBytesToClient(respBytes, request, response);
}
 

/** Saves parameters to disk. */
private void save(Document document, File outputFile) throws IOException {
    try {
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();

        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");

        Source source = new DOMSource(document);
        outputFile.getParentFile().mkdirs();
        Result result = new StreamResult(Files.newBufferedWriter(outputFile.toPath(), StandardCharsets.UTF_8));
        transformer.transform(source, result);
    } catch (TransformerException e) {
        throw new IOException("Failed to save settings", e);
    }
}
 

protected String documentToString(Document document, boolean omitProlog) throws Exception {
    TransformerFactory transFactory = TransformerFactory.newInstance();

    // Indentation not supported on Android 2.2
    //transFactory.setAttribute("indent-number", 4);

    Transformer transformer = transFactory.newTransformer();

    if (omitProlog) {
        // TODO: UPNP VIOLATION: Terratec Noxon Webradio fails when DIDL content has a prolog
        // No XML prolog! This is allowed because it is UTF-8 encoded and required
        // because broken devices will stumble on SOAP messages that contain (even
        // encoded) XML prologs within a message body.
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    }

    // Again, Android 2.2 fails hard if you try this.
    //transformer.setOutputProperty(OutputKeys.INDENT, "yes");

    StringWriter out = new StringWriter();
    transformer.transform(new DOMSource(document), new StreamResult(out));
    return out.toString();
}
 

/**
 * Write out the XML content to a writer.
 */
public void write(Writer writer) {
  try {
    TransformerFactory factory = TransformerFactory.newInstance();
    factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
    Transformer transformer = factory.newTransformer();

    transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount",
        "2");

    transformer.transform(new DOMSource(document), new StreamResult(writer));
  } catch (TransformerException e) {
    throw new ConfigurationException("Can't write the configuration xml", e);
  }
}
 

@Test(dataProvider = "xsls")
public final void testBug8207760_cdata(String xsl) throws Exception {
    String[] xmls = prepareXML(true);
    Transformer t = createTransformerFromInputstream(
            new ByteArrayInputStream(xsl.getBytes(StandardCharsets.UTF_8)));
    t.setOutputProperty(OutputKeys.ENCODING, StandardCharsets.UTF_8.name());
    StringWriter sw = new StringWriter();
    t.transform(new StreamSource(new StringReader(xmls[0])), new StreamResult(sw));
    Assert.assertEquals(sw.toString().replaceAll(System.lineSeparator(), "\n"), xmls[1]);
}
 

/**
 * 将Map转换为XML格式的字符串
 *
 * @param data Map类型数据
 * @return XML格式的字符串
 * @throws Exception
 */
public static String mapToXml(Map<String, String> data) throws Exception {
    org.w3c.dom.Document document = WXPayXmlUtil.newDocument();
    org.w3c.dom.Element root = document.createElement("xml");
    document.appendChild(root);
    for (String key: data.keySet()) {
        String value = data.get(key);
        if (value == null) {
            value = "";
        }
        value = value.trim();
        org.w3c.dom.Element filed = document.createElement(key);
        filed.appendChild(document.createTextNode(value));
        root.appendChild(filed);
    }
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    DOMSource source = new DOMSource(document);
    transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
    transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    StringWriter writer = new StringWriter();
    StreamResult result = new StreamResult(writer);
    transformer.transform(source, result);
    String output = writer.getBuffer().toString(); //.replaceAll("\n|\r", "");
    try {
        writer.close();
    }
    catch (Exception ex) {
    }
    return output;
}
 

public static String toPrettyString(String xml, int indent) {
    try {
        // Turn xml string into a document
        Document document = DocumentBuilderFactory.newInstance()
                .newDocumentBuilder()
                .parse(new InputSource(new ByteArrayInputStream(xml.getBytes("utf-8"))));

        // Remove whitespaces outside tags
        document.normalize();
        XPath xPath = XPathFactory.newInstance().newXPath();
        NodeList nodeList = (NodeList) xPath.evaluate("//text()[normalize-space()='']",
                                                      document,
                                                      XPathConstants.NODESET);

        for (int i = 0; i < nodeList.getLength(); ++i) {
            Node node = nodeList.item(i);
            node.getParentNode().removeChild(node);
        }

        // Setup pretty print options
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        transformerFactory.setAttribute("indent-number", indent);
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");

        // Return pretty print xml string
        StringWriter stringWriter = new StringWriter();
        transformer.transform(new DOMSource(document), new StreamResult(stringWriter));
        return stringWriter.toString();
    } catch (Exception e) {
        log.warn("Failed to format xml", e);
    }
    return xml;
}
 

/**
 * Extracts the node content. Basically returns every character in the subsection element.
 *
 * @param subsection
 *         the subsection of a rule
 *
 * @return the node content
 * @throws TransformerException
 *         in case of an error
 */
private String extractNodeContent(final Element subsection) throws TransformerException {
    StringWriter content = new StringWriter();
    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    transformer.transform(new DOMSource(subsection), new StreamResult(content));
    String text = content.toString();
    String prefixRemoved = StringUtils.substringAfter(text, ">");
    String suffixRemoved = StringUtils.substringBeforeLast(prefixRemoved, "<");

    String endSourceRemoved = StringUtils.replace(suffixRemoved, "</source>", "</code></pre>");

    return StringUtils.replace(endSourceRemoved, "<source>", "<pre><code>");
}
 

private String nodeToText(Node node) throws TransformerException {
    Transformer trans = TransformerFactory.newInstance().newTransformer();
    trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    StringWriter writer = new StringWriter();
    StreamResult result = new StreamResult(writer);
    trans.transform(new DOMSource(node), result);
    String bodyContent = writer.toString();
    System.out.println("SOAP body content read by SAAJ:"+bodyContent);
    return bodyContent;
}
 

private String nodeToText(Node node) throws TransformerException {
    Transformer trans = TransformerFactory.newInstance().newTransformer();
    trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
    StringWriter writer = new StringWriter();
    StreamResult result = new StreamResult(writer);
    trans.transform(new DOMSource(node), result);
    String bodyContent = writer.toString();
    System.out.println("SOAP body content read by SAAJ:"+bodyContent);
    return bodyContent;
}