Java Code Examples for org.w3c.dom.ls.LSSerializer#write()

private static String marshall(XMLObject xmlObject) throws org.wso2.carbon.identity.base.IdentityException {
    try {
        System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
                "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");

        MarshallerFactory marshallerFactory = org.opensaml.xml.Configuration.getMarshallerFactory();
        Marshaller marshaller = marshallerFactory.getMarshaller(xmlObject);
        Element element = marshaller.marshall(xmlObject);

        ByteArrayOutputStream byteArrayOutputStrm = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl =
                (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSOutput output = impl.createLSOutput();
        output.setByteStream(byteArrayOutputStrm);
        writer.write(element, output);
        return byteArrayOutputStrm.toString("UTF-8");
    } catch (Exception e) {
        log.error("Error Serializing the SAML Response");
        throw IdentityException.error("Error Serializing the SAML Response", e);
    }
}
 

/**
 * `
 * Serialize XML objects
 *
 * @param xmlObject : XACML or SAML objects to be serialized
 * @return serialized XACML or SAML objects
 * @throws EntitlementException
 */
private String marshall(XMLObject xmlObject) throws EntitlementException {

    try {
        doBootstrap();
        System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
                "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");

        MarshallerFactory marshallerFactory = XMLObjectProviderRegistrySupport.getMarshallerFactory();
        Marshaller marshaller = marshallerFactory.getMarshaller(xmlObject);
        Element element = marshaller.marshall(xmlObject);

        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl =
                (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSOutput output = impl.createLSOutput();
        output.setByteStream(byteArrayOutputStream);
        writer.write(element, output);
        return byteArrayOutputStream.toString();
    } catch (Exception e) {
        log.error("Error Serializing the SAML Response");
        throw new EntitlementException("Error Serializing the SAML Response", e);
    }
}
 

/**
 * Check for DOMErrorHandler handling DOMError. Before fix of bug 4890927
 * DOMConfiguration.setParameter("well-formed",true) throws an exception.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testCreateNewItem2Sell() throws Exception {
    String xmlFile = XML_DIR + "novelsInvalid.xml";

    Document document = DocumentBuilderFactory.newInstance()
            .newDocumentBuilder().parse(xmlFile);

    document.getDomConfig().setParameter("well-formed", true);

    DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
    DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
    MyDOMOutput domOutput = new MyDOMOutput();
    domOutput.setByteStream(System.out);
    LSSerializer writer = impl.createLSSerializer();
    writer.write(document, domOutput);
}
 

/**
 * `
 * Serialize XML objects
 *
 * @param xmlObject : XACML or SAML objects to be serialized
 * @return serialized XACML or SAML objects
 * @throws EntitlementException
 */
private String marshall(XMLObject xmlObject) throws EntitlementException {

    try {
        doBootstrap();
        System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
                "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");

        MarshallerFactory marshallerFactory = org.opensaml.xml.Configuration.getMarshallerFactory();
        Marshaller marshaller = marshallerFactory.getMarshaller(xmlObject);
        Element element = marshaller.marshall(xmlObject);

        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl =
                (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSOutput output = impl.createLSOutput();
        output.setByteStream(byteArrayOutputStream);
        writer.write(element, output);
        return byteArrayOutputStream.toString();
    } catch (Exception e) {
        log.error("Error Serializing the SAML Response");
        throw new EntitlementException("Error Serializing the SAML Response", e);
    }
}
 

/**
 * Serializing a SAML2 object into a String
 *
 * @param xmlObject object that needs to serialized.
 * @return serialized object
 * @throws SAMLSSOException
 */
public static String marshall(XMLObject xmlObject) throws SAMLSSOException {
    try {

        System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
                "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");

        MarshallerFactory marshallerFactory = org.opensaml.xml.Configuration
                .getMarshallerFactory();
        Marshaller marshaller = marshallerFactory.getMarshaller(xmlObject);
        Element element = marshaller.marshall(xmlObject);

        ByteArrayOutputStream byteArrayOutputStrm = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSOutput output = impl.createLSOutput();
        output.setByteStream(byteArrayOutputStrm);
        writer.write(element, output);
        return byteArrayOutputStrm.toString();
    } catch (Exception e) {
        log.error("Error Serializing the SAML Response");
        throw new SAMLSSOException("Error Serializing the SAML Response", e);
    }
}
 

/***
 * Helper method which converts XML Document into pretty formatted string
 *
 * @param doc to convert
 * @return converted XML as String
 */
public static String documentToString(Document doc) {

    String strMsg = "";
    try {
        DOMImplementation domImpl = doc.getImplementation();
        DOMImplementationLS domImplLS = (DOMImplementationLS) domImpl.getFeature("LS", "3.0");
        LSSerializer lsSerializer = domImplLS.createLSSerializer();
        lsSerializer.getDomConfig().setParameter("format-pretty-print", true);

        Writer stringWriter = new StringWriter();
        LSOutput lsOutput = domImplLS.createLSOutput();
        lsOutput.setEncoding("UTF-8");
        lsOutput.setCharacterStream(stringWriter);
        lsSerializer.write(doc, lsOutput);
        strMsg = stringWriter.toString();
    } catch (Exception e) {
        logger.warn("Error occurred when converting document to string", e);
    }
    return strMsg;
}
 

/**
 * Serializing a SAML2 object into a String
 *
 * @param xmlObject object that needs to serialized.
 * @return serialized object
 * @throws Exception
 */
public static String marshall(XMLObject xmlObject) throws Exception {
    try {
        doBootstrap();
        System.setProperty("javax.xml.parsers.DocumentBuilderFactory",
                "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");

        MarshallerFactory marshallerFactory = XMLObjectProviderRegistrySupport.getMarshallerFactory();
        Marshaller marshaller = marshallerFactory.getMarshaller(xmlObject);
        Element element = marshaller.marshall(xmlObject);

        ByteArrayOutputStream byteArrayOutputStrm = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl =
                (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSOutput output = impl.createLSOutput();
        output.setByteStream(byteArrayOutputStrm);
        writer.write(element, output);
        return byteArrayOutputStrm.toString();
    } catch (Exception e) {
        throw new Exception("Error Serializing the SAML Response", e);
    }
}
 

@SuppressWarnings("unchecked")
   private void getGroupings(Integer organisationId, HttpServletResponse response) throws IOException {
Document doc = OrganisationGroupServlet.docBuilder.newDocument();
Element groupsElement = doc.createElement("groups");
doc.appendChild(groupsElement);

List<OrganisationGrouping> groupings = userManagementService.findByProperty(OrganisationGrouping.class,
	"organisationId", organisationId);
for (OrganisationGrouping grouping : groupings) {
    Element groupingElement = doc.createElement("grouping");
    groupingElement.setAttribute("id", grouping.getGroupingId().toString());
    groupingElement.setAttribute("name", StringEscapeUtils.escapeXml(grouping.getName()));
    groupsElement.appendChild(groupingElement);
    for (OrganisationGroup group : grouping.getGroups()) {
	Element groupElement = doc.createElement("group");
	groupElement.setAttribute("id", group.getGroupId().toString());
	groupElement.setAttribute("name", StringEscapeUtils.escapeXml(group.getName()));
	groupingElement.appendChild(groupElement);
	for (User user : group.getUsers()) {
	    Element userElement = doc.createElement("user");
	    userElement.setAttribute("id", user.getUserId().toString());
	    userElement.setAttribute("firstname", StringEscapeUtils.escapeXml(user.getFirstName()));
	    userElement.setAttribute("lastname", StringEscapeUtils.escapeXml(user.getLastName()));
	    groupElement.appendChild(userElement);
	}
    }
}

response.setContentType("text/xml");
response.setCharacterEncoding("UTF-8");

DOMImplementationLS domImplementation = (DOMImplementationLS) doc.getImplementation();
LSSerializer lsSerializer = domImplementation.createLSSerializer();
LSOutput lsOutput = domImplementation.createLSOutput();
lsOutput.setEncoding("UTF-8");
lsOutput.setByteStream(response.getOutputStream());
lsSerializer.write(doc, lsOutput);
   }
 

/**
 * Serialize XML objects
 *
 * @param xmlObject : XACML or SAML objects to be serialized
 * @return serialized XACML or SAML objects
 */
private String marshall(XMLObject xmlObject) throws EntitlementProxyException {

    try {
        doBootstrap();
        System.setProperty(
                DOCUMENT_BUILDER_FACTORY,
                DOCUMENT_BUILDER_FACTORY_IMPL);

        MarshallerFactory marshallerFactory = org.opensaml.xml.Configuration.getMarshallerFactory();
        Marshaller marshaller = marshallerFactory.getMarshaller(xmlObject);
        Element element = marshaller.marshall(xmlObject);

        ByteArrayOutputStream byteArrayOutputStrm = new ByteArrayOutputStream();
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl =
                (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSOutput output = impl.createLSOutput();
        output.setByteStream(byteArrayOutputStrm);
        writer.write(element, output);
        return new String(byteArrayOutputStrm.toByteArray(), Charset.forName("UTF-8"));
    } catch (Exception e) {
        log.error("Error Serializing the SAML Response");
        throw new EntitlementProxyException("Error Serializing the SAML Response", e);
    }
}
 

/**
 * Write a DOM Document to an output stream.
 * 
 * @param doc
 *        The DOM Document to write.
 * @param out
 *        The output stream.
 */
public static String writeDocumentToString(Document doc)
{
	try
	{
		
		StringWriter sw = new StringWriter();
		
		  DocumentBuilder builder = dbFactory.newDocumentBuilder();
		  DOMImplementation impl = builder.getDOMImplementation();
		  
		
		DOMImplementationLS feature = (DOMImplementationLS) impl.getFeature("LS",
		"3.0");
		LSSerializer serializer = feature.createLSSerializer();
		LSOutput output = feature.createLSOutput();
		output.setCharacterStream(sw);
		output.setEncoding("UTF-8");
		serializer.write(doc, output);
		
		sw.flush();
		return sw.toString();
	}
	catch (Exception any)
	{
		log.warn("writeDocumentToString: " + any.toString());
		return null;
	}
}
 

/**
 * string value of document
 *
 * @return the string
 */
public final String stringValue()
{
  if(log.isDebugEnabled())
  {
    log.debug("stringValue()");
  }

  if(document == null)
  {
    return this.xml.toString();
  }
  else
  {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
	DOMImplementationRegistry registry = DOMImplementationRegistry
			.newInstance();
	DOMImplementationLS impl = (DOMImplementationLS) registry
			.getDOMImplementation("LS");
	LSSerializer writer = impl.createLSSerializer();
	writer.getDomConfig().setParameter("format-pretty-print",
			Boolean.TRUE);
	LSOutput output = impl.createLSOutput();
	output.setByteStream(out);
	writer.write(document, output);
} catch (Exception e) {
	log.error(e.getMessage(), e);
}
return out.toString();	
  }
}
 

/**
 * Write a DOM Document to an output stream.
 * 
 * @param doc
 *        The DOM Document to write.
 * @param out
 *        The output stream.
 */
public static String writeDocumentToString(Document doc)
{
	try
	{
		
		StringWriter sw = new StringWriter();
		
		  DocumentBuilder builder = dbFactory.newDocumentBuilder();
		  DOMImplementation impl = builder.getDOMImplementation();
		  
		
		DOMImplementationLS feature = (DOMImplementationLS) impl.getFeature("LS",
		"3.0");
		LSSerializer serializer = feature.createLSSerializer();
		LSOutput output = feature.createLSOutput();
		output.setCharacterStream(sw);
		output.setEncoding("UTF-8");
		serializer.write(doc, output);
		
		sw.flush();
		return sw.toString();
	}
	catch (Exception any)
	{
		log.warn("writeDocumentToString: " + any.toString());
		return null;
	}
}
 

/**
 * Writes a Node out to a Writer using the DOM, level 3, Load/Save serializer. The written content is encoded using
 * the encoding specified in the writer configuration.
 *
 * @param node the node to write out
 * @param output the writer to write the XML to
 * @param serializerParams parameters to pass to the {@link DOMConfiguration} of the serializer
 *         instance, obtained via {@link LSSerializer#getDomConfig()}. May be null.
 */
public static void writeNode(Node node, Writer output, Map<String, Object> serializerParams) {
  DOMImplementationLS domImplLS = getLSDOMImpl(node);

  LSSerializer serializer = getLSSerializer(domImplLS, serializerParams);

  LSOutput serializerOut = domImplLS.createLSOutput();
  serializerOut.setCharacterStream(output);

  serializer.write(node, serializerOut);
}
 

/**
 * Checking for namespace normalization.
 * @see <a href="content/screenName.xml">screenName.xml</a> has prefix of
 * userName is bound to "http://hibid.com/user" namespace normalization
 * will create a namespace of prefix us and attach userEmail.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testCheckScreenNameExists() throws Exception {
    String resultFile = USER_DIR + "screenName.out";
    String xmlFile = XML_DIR + "screenName.xml";
    String goldFile = GOLDEN_DIR + "screenNameGold.xml";

    String nsTagName = "http://hibid.com/screenName";
    String userNs = "http://hibid.com/user";

    try (FileOutputStream output = new FileOutputStream(resultFile)) {
        DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
        LSSerializer writer = impl.createLSSerializer();
        LSParser builder = impl.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
        Document document = builder.parseURI(xmlFile);
        NodeList nl = document.getElementsByTagNameNS(nsTagName, "screen-name");
        assertEquals(nl.getLength(), 1);
        Element screenName = (Element)nl.item(0);
        Element userEmail = document.createElementNS(userNs, "userEmail");
        assertTrue(userEmail.isDefaultNamespace(userNs));

        Text email = document.createTextNode("[email protected]");
        userEmail.appendChild(email);
        screenName.appendChild(userEmail);
        document.normalizeDocument();

        MyDOMOutput domoutput = new MyDOMOutput();
        domoutput.setByteStream(output);
        writer.write(document, domoutput);
    }
    assertTrue(compareDocumentWithGold(goldFile, resultFile));
}
 

public static String getIndented(String inXml) throws IOException {
    try {
        final InputSource src = new InputSource(new StringReader(inXml));
        final Document domDoc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(src);
        String encoding = domDoc.getXmlEncoding();
        if (encoding == null) {
            // defaults to UTF-8
            encoding = "UTF-8";
        }
        final Node document = domDoc.getDocumentElement();
        final boolean keepDeclaration = inXml.startsWith("<?xml");
        final DOMImplementationRegistry registry = DOMImplementationRegistry.newInstance();
        final DOMImplementationLS impl = (DOMImplementationLS) registry.getDOMImplementation("LS");
        final LSSerializer writer = impl.createLSSerializer();
        writer.setNewLine("\n");
        writer.getDomConfig().setParameter("format-pretty-print", true); // Set this to true if the output needs to be beautified.
        writer.getDomConfig().setParameter("xml-declaration", keepDeclaration); // Set this to true if the declaration is needed to be outputted.
        LSOutput lsOutput = impl.createLSOutput();
        lsOutput.setEncoding(encoding);
        Writer stringWriter = new StringWriter();
        lsOutput.setCharacterStream(stringWriter);
        writer.write(document, lsOutput);
        return stringWriter.toString();
    }
    catch (ParserConfigurationException | SAXException | ClassNotFoundException | InstantiationException | IllegalAccessException ex) {
        throw new XMLException(null, ex);
    }
}
 

public static void serialize(final Element value, final JsonWriter sw) {
	Document document = value.getOwnerDocument();
	DOMImplementationLS domImplLS = (DOMImplementationLS) document.getImplementation();
	LSSerializer serializer = domImplLS.createLSSerializer();
	LSOutput lsOutput = domImplLS.createLSOutput();
	lsOutput.setEncoding("UTF-8");
	StringWriter writer = new StringWriter();
	lsOutput.setCharacterStream(writer);
	serializer.write(document, lsOutput);
	StringConverter.serialize(writer.toString(), sw);
}
 

public String stringFromDoc(Document doc) {
    DOMImplementation impl = doc.getImplementation();
    DOMImplementationLS implLS = (DOMImplementationLS) impl.getFeature("LS", "3.0");
    LSSerializer lsSerializer = implLS.createLSSerializer();
    lsSerializer.getDomConfig().setParameter("format-pretty-print", true);

    LSOutput lsOutput = implLS.createLSOutput();
    lsOutput.setEncoding("UTF-8");
    Writer stringWriter = new StringWriter();
    lsOutput.setCharacterStream(stringWriter);
    lsSerializer.write(doc, lsOutput);

    return stringWriter.toString();
}
 

/**
 * Checking conflicting namespaces and use renameNode and normalizeDocument.
 * @see <a href="content/accountInfo.xml">accountInfo.xml</a>
 *
 * @throws Exception If any errors occur.
 */
@Test
public void testAddUser() throws Exception {
    String resultFile = USER_DIR + "accountRole.out";
    String xmlFile = XML_DIR + "accountInfo.xml";

    // Copy schema for outputfile
    Files.copy(Paths.get(XML_DIR, "accountInfo.xsd"),
            Paths.get(USER_DIR, "accountInfo.xsd"),
            StandardCopyOption.REPLACE_EXISTING);
    MyErrorHandler eh = new MyErrorHandler();
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

    dbf.setAttribute(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA_NS_URI);
    dbf.setNamespaceAware(true);
    dbf.setValidating(true);

    DocumentBuilder docBuilder = dbf.newDocumentBuilder();
    docBuilder.setErrorHandler(eh);

    Document document = docBuilder.parse(xmlFile);
    Element sell = (Element) document.getElementsByTagNameNS(PORTAL_ACCOUNT_NS, "Sell").item(0);
    Element role = (Element) sell.getParentNode();

    Element buy = (Element) document.renameNode(sell, PORTAL_ACCOUNT_NS, "acc:Buy");
    role.appendChild(buy);

    DOMImplementationLS impl
            = (DOMImplementationLS) DOMImplementationRegistry
                    .newInstance().getDOMImplementation("LS");
    LSSerializer writer = impl.createLSSerializer();


    try(FileOutputStream output = new FileOutputStream(resultFile)) {
        MyDOMOutput mydomoutput = new MyDOMOutput();
        mydomoutput.setByteStream(output);
        writer.write(document, mydomoutput);
    }

    docBuilder.parse(resultFile);
    assertFalse(eh.isAnyError());
}
 

/**
 * Saves the working project.
 */
public void saveWorkingProject() throws ParserConfigurationException
{
    if( workingProject != null )
    {
        // Create document
        DocumentBuilder db = dbFactory.newDocumentBuilder();
        Document dom = db.newDocument();

        // XML entry for the path waypoints and vars
        Element pathElement = dom.createElement("Path" );

        // Save generator type
        pathElement.setAttribute( "GeneratorType", settings.getGeneratorType().name() );

        // Save shared vars
        settings.getSharedGeneratorVars().writeXMLAttributes( pathElement );

        // Write generator vars to xml file
        settings.getGeneratorVars().writeXMLAttributes( pathElement );
        dom.appendChild( pathElement );

        // Write waypoints to xml file
        for( Waypoint wp : waypointList )
        {
            Element waypointEle = dom.createElement("Waypoint" );
            Element xEle = dom.createElement("X" );
            Element yEle = dom.createElement("Y" );
            Element angleEle = dom.createElement("Angle" );
            Text xText = dom.createTextNode("" + wp.getX() );
            Text yText = dom.createTextNode("" + wp.getY() );
            Text angleText = dom.createTextNode("" + wp.getAngle() );

            xEle.appendChild( xText );
            yEle.appendChild( yText );
            angleEle.appendChild( angleText );

            waypointEle.appendChild( xEle );
            waypointEle.appendChild( yEle );
            waypointEle.appendChild( angleEle );

            pathElement.appendChild( waypointEle );
        }

        FileOutputStream fos;
        try
        {
            fos = new FileOutputStream( workingProject );
            DOMImplementationRegistry reg = DOMImplementationRegistry.newInstance();
            DOMImplementationLS impl = (DOMImplementationLS) reg.getDOMImplementation("LS" );
            LSSerializer serializer = impl.createLSSerializer();
            
            serializer.getDomConfig().setParameter("format-pretty-print", Boolean.TRUE );
            
            LSOutput lso = impl.createLSOutput();
            lso.setByteStream( fos );
            serializer.write( dom, lso );
           
        }
        catch( Exception e )
        {
            throw new RuntimeException( e );
        }
    }
}
 

public String toXml()
{
    Document document;
    DocumentBuilder docBuilder;
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    try
    {
        docBuilder = factory.newDocumentBuilder();
        document = docBuilder.newDocument();
    }
    catch (ParserConfigurationException e)
    {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }
    DOMImplementationLS implLS = (DOMImplementationLS) docBuilder.getDOMImplementation();
    LSSerializer domWriter = implLS.createLSSerializer();
    LSOutput output = implLS.createLSOutput();
    
    //DOMException: FEATURE_NOT_SUPPORTED: The parameter format-pretty-print is recognized but the requested value cannot be set.
    //domWriter.getDomConfig().setParameter(Constants.DOM_FORMAT_PRETTY_PRINT, Boolean.TRUE);
    
    output.setEncoding("UTF-8");
    ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    output.setByteStream(outStream);
    
    
    Element root = document.createElement("requests");
    for(Request req : _requests)
    {
        Element reqNode = document.createElement("request");
        reqNode.setAttribute("id", Integer.toString(req.getId()));
        reqNode.setAttribute("type", req.getType());
        for(RequestPart part : req.getParts())
        {
            Element partNode = null;
            if(part instanceof RequestForPart)
            {
                partNode = document.createElement("for");
                writeForPart(partNode, (RequestForPart) part, document);
            }
            else
            {
                partNode = document.createElement("part");
                partNode.setAttribute("name", part.getName());
                partNode.setAttribute("value", part.getValue());
            }
            reqNode.appendChild(partNode);
        }
        root.appendChild(reqNode);
    }
    
    document.appendChild(root);
    domWriter.write(document, output);
    
    return outStream.toString();
}