1 /*
   2  * Copyright (c) 2014, 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 transform.util;
  25 
  26 import java.io.InputStream;
  27 
  28 import javax.xml.parsers.DocumentBuilder;
  29 import javax.xml.transform.Result;
  30 import javax.xml.transform.Source;
  31 import javax.xml.transform.dom.DOMResult;
  32 import javax.xml.transform.dom.DOMSource;
  33 
  34 import org.testng.Assert;
  35 import org.w3c.dom.Document;
  36 
  37 public class DOMUtil extends TransformerUtil {
  38 
  39     DocumentBuilder docBuilder = null;
  40 
  41     private static DOMUtil instance = null;
  42 
  43     /** Creates a new instance of DOMUtil */
  44     private DOMUtil() throws Exception {
  45         if (docBuilder == null)
  46             docBuilder = getDomParser();
  47     }
  48 
  49     public static synchronized DOMUtil getInstance() throws Exception {
  50         if (instance == null)
  51             instance = new DOMUtil();
  52         return instance;
  53     }
  54 
  55     public Source prepareSource(InputStream is) throws Exception {
  56         docBuilder.reset();
  57         Document doc1 = docBuilder.parse(is);
  58         return new DOMSource(doc1);
  59     }
  60 
  61     public Result prepareResult() {
  62         Document target = docBuilder.newDocument();
  63         return new DOMResult(target);
  64     }
  65 
  66     public void checkResult(Result result, String version) {
  67         String resultVersion = ((Document) ((DOMResult) result).getNode()).getXmlVersion();
  68         Assert.assertTrue(version.equals(resultVersion), "Expected XML Version is 1.1, but actual version " + resultVersion);
  69     }
  70 }