test/jaxp/javax/xml/jaxp/functional/test/auctionportal/UserController.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package test.auctionportal;

 import static javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI;
 import static jaxp.library.JAXPTestUtilities.USER_DIR;
 import static jaxp.library.JAXPTestUtilities.compareDocumentWithGold;
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertFalse;
 import static org.testng.Assert.assertTrue;
 import static test.auctionportal.HiBidConstants.GOLDEN_DIR;
 import static test.auctionportal.HiBidConstants.JAXP_SCHEMA_LANGUAGE;
 import static test.auctionportal.HiBidConstants.PORTAL_ACCOUNT_NS;
 import static test.auctionportal.HiBidConstants.XML_DIR;

 import java.io.FileOutputStream;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.nio.file.StandardCopyOption;

 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;

 import org.testng.annotations.Listeners;
 import org.testng.annotations.Test;
 import org.w3c.dom.Attr;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.NodeList;
 import org.w3c.dom.Text;
 import org.w3c.dom.bootstrap.DOMImplementationRegistry;
 import org.w3c.dom.ls.DOMImplementationLS;
 import org.w3c.dom.ls.LSParser;
 import org.w3c.dom.ls.LSSerializer;

 /**
  * This is the user controller class for the Auction portal HiBid.com.
  */
 /*
  * @test
  * @library /javax/xml/jaxp/libs
  * @run testng/othervm -DrunSecMngr=true test.auctionportal.UserController
  * @run testng/othervm test.auctionportal.UserController
  */
 @Listeners({jaxp.library.FilePolicy.class})
 public class UserController {
     /**
      * Checking when creating an XML document using DOM Level 2 validating
      * it without having a schema source or a schema location It must throw a
      * sax parse exception.
      *
      * @throws Exception If any errors occur.
      */
     @Test
     public void testCreateNewUser() throws Exception {
         String resultFile = USER_DIR + "accountInfoOut.xml";
         DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
         dbf.setNamespaceAware(true);
         dbf.setValidating(true);

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

         Document document = docBuilder.newDocument();

         Element account = document.createElementNS(PORTAL_ACCOUNT_NS, "acc:Account");
         Attr accountID = document.createAttributeNS(PORTAL_ACCOUNT_NS, "acc:accountID");
         account.setAttributeNode(accountID);

         account.appendChild(document.createElement("FirstName"));
         account.appendChild(document.createElementNS(PORTAL_ACCOUNT_NS, "acc:LastName"));
         account.appendChild(document.createElement("UserID"));

         DOMImplementationLS impl
                 = (DOMImplementationLS) DOMImplementationRegistry
                         .newInstance().getDOMImplementation("LS");
         LSSerializer writer = impl.createLSSerializer();
         LSParser builder = impl.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
         try(FileOutputStream output = new FileOutputStream(resultFile)) {
             MyDOMOutput domOutput = new MyDOMOutput();
             domOutput.setByteStream(output);
             writer.write(account, domOutput);
             docBuilder.parse(resultFile);
         }
         assertTrue(eh.isAnyError());
     }

     /**
      * 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());
     }

     /**
      * Checking Text content in XML file.
      * @see <a href="content/accountInfo.xml">accountInfo.xml</a>
      *
      * @throws Exception If any errors occur.
      */
     @Test
     public void testMoreUserInfo() throws Exception {
         String xmlFile = XML_DIR + "accountInfo.xml";
         DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

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

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

         Document document = docBuilder.parse(xmlFile);
         Element account = (Element)document
                 .getElementsByTagNameNS(PORTAL_ACCOUNT_NS, "Account").item(0);
         String textContent = account.getTextContent();
         assertTrue(textContent.trim().regionMatches(0, "Rachel", 0, 6));
         assertEquals(textContent, "RachelGreen744");

         Attr accountID = account.getAttributeNodeNS(PORTAL_ACCOUNT_NS, "accountID");
         assertTrue(accountID.getTextContent().trim().equals("1"));

         assertFalse(eh.isAnyError());
     }

     /**
      * This will check if adoptNode works will adoptNode from
      * @see <a href="content/userInfo.xml">userInfo.xml</a>
      * @see <a href="content/accountInfo.xml">accountInfo.xml</a>. This is
      * adopting a node from the XML file which is validated by a DTD and
      * into an XML file which is validated by the schema This covers Row 5
      * for the table
      * http://javaweb.sfbay/~jsuttor/JSR206/jsr-206-html/ch03s05.html. Filed
      * bug 4893745 because there was a difference in behavior.
      *
      * @throws Exception If any errors occur.
      */
     @Test
     public void testCreateUserAccount() throws Exception {
         String userXmlFile = XML_DIR + "userInfo.xml";
         String accountXmlFile = XML_DIR + "accountInfo.xml";
         DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
         dbf.setNamespaceAware(true);
         dbf.setValidating(true);

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

         Document document = docBuilder.parse(userXmlFile);
         Element user = (Element) document.getElementsByTagName("FirstName").item(0);
         // Set schema after parsing userInfo.xml. Otherwise it will conflict
         // with DTD validation.
         dbf.setAttribute(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA_NS_URI);
         DocumentBuilder docBuilder1 = dbf.newDocumentBuilder();
         docBuilder1.setErrorHandler(eh);
         Document accDocument = docBuilder1.parse(accountXmlFile);

         Element firstName = (Element) accDocument
                 .getElementsByTagNameNS(PORTAL_ACCOUNT_NS, "FirstName").item(0);
         Element adoptedAccount = (Element) accDocument.adoptNode(user);

         Element parent = (Element) firstName.getParentNode();
         parent.replaceChild(adoptedAccount, firstName);

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

         MyDOMOutput mydomoutput = new MyDOMOutput();
         mydomoutput.setByteStream(System.out);

         writer.write(document, mydomoutput);
         writer.write(accDocument, mydomoutput);

         assertFalse(eh.isAnyError());
     }

     /**
      * Checking for Row 8 from the schema table when setting the schemaSource
      * without the schemaLanguage must report an error.
      *
      * @throws Exception If any errors occur.
      */
     @Test(expectedExceptions = IllegalArgumentException.class)
     public void testUserError() throws Exception {
         String xmlFile = XML_DIR + "userInfo.xml";
         String schema = "http://java.sun.com/xml/jaxp/properties/schemaSource";
         String schemaValue = "http://dummy.com/dummy.xsd";

         DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
         dbf.setNamespaceAware(true);
         dbf.setValidating(true);
         dbf.setAttribute(schema, schemaValue);

         DocumentBuilder docBuilder = dbf.newDocumentBuilder();
         MyErrorHandler eh = new MyErrorHandler();
         docBuilder.setErrorHandler(eh);
         docBuilder.parse(xmlFile);
         assertFalse(eh.isAnyError());
     }

     /**
      * 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("myid@hibid.com");
             userEmail.appendChild(email);
             screenName.appendChild(userEmail);
             document.normalizeDocument();

             MyDOMOutput domoutput = new MyDOMOutput();
             domoutput.setByteStream(output);
             writer.write(document, domoutput);
         }
         assertTrue(compareDocumentWithGold(goldFile, resultFile));
     }
 }
	/*
	* Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/
	package test.auctionportal;

	import static javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI;
	import static jaxp.library.JAXPTestUtilities.USER_DIR;
	import static jaxp.library.JAXPTestUtilities.compareDocumentWithGold;
	import static org.testng.Assert.assertEquals;
	import static org.testng.Assert.assertFalse;
	import static org.testng.Assert.assertTrue;
	import static test.auctionportal.HiBidConstants.GOLDEN_DIR;
	import static test.auctionportal.HiBidConstants.JAXP_SCHEMA_LANGUAGE;
	import static test.auctionportal.HiBidConstants.PORTAL_ACCOUNT_NS;
	import static test.auctionportal.HiBidConstants.XML_DIR;

	import java.io.FileOutputStream;
	import java.nio.file.Files;
	import java.nio.file.Paths;
	import java.nio.file.StandardCopyOption;

	import javax.xml.parsers.DocumentBuilder;
	import javax.xml.parsers.DocumentBuilderFactory;

	import org.testng.annotations.Listeners;
	import org.testng.annotations.Test;
	import org.w3c.dom.Attr;
	import org.w3c.dom.Document;
	import org.w3c.dom.Element;
	import org.w3c.dom.NodeList;
	import org.w3c.dom.Text;
	import org.w3c.dom.bootstrap.DOMImplementationRegistry;
	import org.w3c.dom.ls.DOMImplementationLS;
	import org.w3c.dom.ls.LSParser;
	import org.w3c.dom.ls.LSSerializer;

	/**
	* This is the user controller class for the Auction portal HiBid.com.
	*/
	/*
	* @test
	* @library /javax/xml/jaxp/libs
	* @run testng/othervm -DrunSecMngr=true test.auctionportal.UserController
	* @run testng/othervm test.auctionportal.UserController
	*/
	@Listeners({jaxp.library.FilePolicy.class})
	public class UserController {
	/**
	* Checking when creating an XML document using DOM Level 2 validating
	* it without having a schema source or a schema location It must throw a
	* sax parse exception.
	*
	* @throws Exception If any errors occur.
	*/
	@Test
	public void testCreateNewUser() throws Exception {
	String resultFile = USER_DIR + "accountInfoOut.xml";
	DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
	dbf.setNamespaceAware(true);
	dbf.setValidating(true);

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

	Document document = docBuilder.newDocument();

	Element account = document.createElementNS(PORTAL_ACCOUNT_NS, "acc:Account");
	Attr accountID = document.createAttributeNS(PORTAL_ACCOUNT_NS, "acc:accountID");
	account.setAttributeNode(accountID);

	account.appendChild(document.createElement("FirstName"));
	account.appendChild(document.createElementNS(PORTAL_ACCOUNT_NS, "acc:LastName"));
	account.appendChild(document.createElement("UserID"));

	DOMImplementationLS impl
	= (DOMImplementationLS) DOMImplementationRegistry
	.newInstance().getDOMImplementation("LS");
	LSSerializer writer = impl.createLSSerializer();
	LSParser builder = impl.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
	try(FileOutputStream output = new FileOutputStream(resultFile)) {
	MyDOMOutput domOutput = new MyDOMOutput();
	domOutput.setByteStream(output);
	writer.write(account, domOutput);
	docBuilder.parse(resultFile);
	}
	assertTrue(eh.isAnyError());
	}

	/**
	* 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());
	}

	/**
	* Checking Text content in XML file.
	* @see <a href="content/accountInfo.xml">accountInfo.xml</a>
	*
	* @throws Exception If any errors occur.
	*/
	@Test
	public void testMoreUserInfo() throws Exception {
	String xmlFile = XML_DIR + "accountInfo.xml";
	DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

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

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

	Document document = docBuilder.parse(xmlFile);
	Element account = (Element)document
	.getElementsByTagNameNS(PORTAL_ACCOUNT_NS, "Account").item(0);
	String textContent = account.getTextContent();
	assertTrue(textContent.trim().regionMatches(0, "Rachel", 0, 6));
	assertEquals(textContent, "RachelGreen744");

	Attr accountID = account.getAttributeNodeNS(PORTAL_ACCOUNT_NS, "accountID");
	assertTrue(accountID.getTextContent().trim().equals("1"));

	assertFalse(eh.isAnyError());
	}

	/**
	* This will check if adoptNode works will adoptNode from
	* @see <a href="content/userInfo.xml">userInfo.xml</a>
	* @see <a href="content/accountInfo.xml">accountInfo.xml</a>. This is
	* adopting a node from the XML file which is validated by a DTD and
	* into an XML file which is validated by the schema This covers Row 5
	* for the table
	* http://javaweb.sfbay/~jsuttor/JSR206/jsr-206-html/ch03s05.html. Filed
	* bug 4893745 because there was a difference in behavior.
	*
	* @throws Exception If any errors occur.
	*/
	@Test
	public void testCreateUserAccount() throws Exception {
	String userXmlFile = XML_DIR + "userInfo.xml";
	String accountXmlFile = XML_DIR + "accountInfo.xml";
	DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
	dbf.setNamespaceAware(true);
	dbf.setValidating(true);

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

	Document document = docBuilder.parse(userXmlFile);
	Element user = (Element) document.getElementsByTagName("FirstName").item(0);
	// Set schema after parsing userInfo.xml. Otherwise it will conflict
	// with DTD validation.
	dbf.setAttribute(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA_NS_URI);
	DocumentBuilder docBuilder1 = dbf.newDocumentBuilder();
	docBuilder1.setErrorHandler(eh);
	Document accDocument = docBuilder1.parse(accountXmlFile);

	Element firstName = (Element) accDocument
	.getElementsByTagNameNS(PORTAL_ACCOUNT_NS, "FirstName").item(0);
	Element adoptedAccount = (Element) accDocument.adoptNode(user);

	Element parent = (Element) firstName.getParentNode();
	parent.replaceChild(adoptedAccount, firstName);

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

	MyDOMOutput mydomoutput = new MyDOMOutput();
	mydomoutput.setByteStream(System.out);

	writer.write(document, mydomoutput);
	writer.write(accDocument, mydomoutput);

	assertFalse(eh.isAnyError());
	}

	/**
	* Checking for Row 8 from the schema table when setting the schemaSource
	* without the schemaLanguage must report an error.
	*
	* @throws Exception If any errors occur.
	*/
	@Test(expectedExceptions = IllegalArgumentException.class)
	public void testUserError() throws Exception {
	String xmlFile = XML_DIR + "userInfo.xml";
	String schema = "http://java.sun.com/xml/jaxp/properties/schemaSource";
	String schemaValue = "http://dummy.com/dummy.xsd";

	DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
	dbf.setNamespaceAware(true);
	dbf.setValidating(true);
	dbf.setAttribute(schema, schemaValue);

	DocumentBuilder docBuilder = dbf.newDocumentBuilder();
	MyErrorHandler eh = new MyErrorHandler();
	docBuilder.setErrorHandler(eh);
	docBuilder.parse(xmlFile);
	assertFalse(eh.isAnyError());
	}

	/**
	* 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("myid@hibid.com");
	userEmail.appendChild(email);
	screenName.appendChild(userEmail);
	document.normalizeDocument();

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