1 /*

     2  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 package javax.xml.transform.ptests;

    25 

    26 import java.io.BufferedWriter;

    27 import java.io.FileWriter;

    28 import java.io.IOException;

    29 import javax.xml.transform.TransformerFactory;

    30 import javax.xml.transform.dom.DOMResult;

    31 import static javax.xml.transform.ptests.TransformerTestConst.GOLDEN_DIR;

    32 import static javax.xml.transform.ptests.TransformerTestConst.XML_DIR;

    33 import javax.xml.transform.sax.SAXSource;

    34 import javax.xml.transform.sax.SAXTransformerFactory;

    35 import javax.xml.transform.sax.TransformerHandler;

    36 import jaxp.library.JAXPFileBaseTest;

    37 import static jaxp.library.JAXPTestUtilities.USER_DIR;

    38 import static jaxp.library.JAXPTestUtilities.compareWithGold;

    39 import static org.testng.Assert.assertTrue;

    40 import org.testng.annotations.Test;

    41 import org.w3c.dom.Attr;

    42 import org.w3c.dom.NamedNodeMap;

    43 import org.w3c.dom.Node;

    44 import org.w3c.dom.NodeList;

    45 import org.xml.sax.InputSource;

    46 import org.xml.sax.XMLReader;

    47 import org.xml.sax.helpers.XMLReaderFactory;

    48 

    49 /**

    50  * DOM parse on test file to be compared with golden output file. No Exception

    51  * is expected.

    52  */

    53 public class DOMResultTest extends JAXPFileBaseTest {

    54     /**

    55      * Unit test for simple DOM parsing.

    56      * @throws Exception If any errors occur.

    57      */

    58     @Test

    59     public void testcase01() throws Exception {

    60         String resultFile = USER_DIR  + "domresult01.out";

    61         String goldFile = GOLDEN_DIR  + "domresult01GF.out";

    62         String xsltFile = XML_DIR + "cities.xsl";

    63         String xmlFile = XML_DIR + "cities.xml";

    64 

    65         XMLReader reader = XMLReaderFactory.createXMLReader();

    66         SAXTransformerFactory saxTFactory

    67                 = (SAXTransformerFactory) TransformerFactory.newInstance();

    68         SAXSource saxSource = new SAXSource(new InputSource(xsltFile));

    69         TransformerHandler handler

    70                 = saxTFactory.newTransformerHandler(saxSource);

    71 

    72         DOMResult result = new DOMResult();

    73 

    74         handler.setResult(result);

    75         reader.setContentHandler(handler);

    76         reader.parse(xmlFile);

    77 

    78         Node node = result.getNode();

    79         try (BufferedWriter writer = new BufferedWriter(new FileWriter(resultFile))) {

    80             writeNodes(node, writer);

    81         }

    82         assertTrue(compareWithGold(goldFile, resultFile));

    83     }

    84 

    85     /**

    86      * Prints all node names, attributes to file

    87      * @param node a node that need to be recursively access.

    88      * @param bWriter file writer.

    89      * @throws IOException if writing file failed.

    90      */

    91     private void writeNodes(Node node, BufferedWriter bWriter) throws IOException {

    92         String str = "Node: " + node.getNodeName();

    93         bWriter.write( str, 0,str.length());

    94         bWriter.newLine();

    95 

    96         NamedNodeMap nnm = node.getAttributes();

    97         if (nnm != null && nnm.getLength() > 0)

    98             for (int i=0; i<nnm.getLength(); i++) {

    99                 str = "AttributeName:" + ((Attr) nnm.item(i)).getName() +

   100                       ", AttributeValue:" +((Attr) nnm.item(i)).getValue();

   101                 bWriter.write( str, 0,str.length());

   102                 bWriter.newLine();

   103             }

   104 

   105         NodeList kids = node.getChildNodes();

   106         if (kids != null)

   107             for (int i=0; i<kids.getLength(); i++)

   108                 writeNodes(kids.item(i), bWriter);

   109     }

   110 }