1 /*
   2  * Copyright (c) 2014, 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.stream.XMLOutputFactoryTest;
  25 
  26 import java.io.ByteArrayOutputStream;
  27 
  28 import javax.xml.stream.XMLOutputFactory;
  29 import javax.xml.stream.XMLStreamException;
  30 import javax.xml.stream.XMLStreamWriter;
  31 import javax.xml.transform.stream.StreamResult;
  32 
  33 import org.testng.Assert;
  34 import org.testng.annotations.Test;
  35 
  36 /*
  37  * @summary Test the writing of duplicate namespace declarations when IS_REPAIRING_NAMESPACES is ture.
  38  */
  39 public class DuplicateNSDeclarationTest {
  40 
  41     @Test
  42     public void testDuplicateNSDeclaration() {
  43 
  44         // expect only 1 Namespace Declaration
  45         final String EXPECTED_OUTPUT = "<?xml version=\"1.0\" ?>" + "<ns1:foo" + " xmlns:ns1=\"http://example.com/\">" + "</ns1:foo>";
  46 
  47         // have XMLOutputFactory repair Namespaces
  48         XMLOutputFactory ofac = XMLOutputFactory.newInstance();
  49         ofac.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, new Boolean(true));
  50 
  51         // send output to a Stream
  52         ByteArrayOutputStream buffer = new ByteArrayOutputStream();
  53         StreamResult sr = new StreamResult(buffer);
  54         XMLStreamWriter w = null;
  55 
  56         // write a duplicate Namespace Declaration
  57         try {
  58             w = ofac.createXMLStreamWriter(sr);
  59             w.writeStartDocument();
  60             w.writeStartElement("ns1", "foo", "http://example.com/");
  61             w.writeNamespace("ns1", "http://example.com/");
  62             w.writeNamespace("ns1", "http://example.com/");
  63             w.writeEndElement();
  64             w.writeEndDocument();
  65             w.close();
  66         } catch (XMLStreamException xmlStreamException) {
  67             xmlStreamException.printStackTrace();
  68             Assert.fail(xmlStreamException.toString());
  69         }
  70 
  71         // debugging output for humans
  72         System.out.println();
  73         System.out.println("actual:   \"" + buffer.toString() + "\"");
  74         System.out.println("expected: \"" + EXPECTED_OUTPUT + "\"");
  75 
  76         // are results as expected?
  77         Assert.assertEquals(EXPECTED_OUTPUT, buffer.toString());
  78     }
  79 }