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 stream.XMLStreamWriterTest;
  25 
  26 import java.io.ByteArrayOutputStream;
  27 
  28 import javax.xml.stream.XMLOutputFactory;
  29 import javax.xml.stream.XMLStreamWriter;
  30 
  31 import org.testng.Assert;
  32 import org.testng.annotations.Listeners;
  33 import org.testng.annotations.Test;
  34 
  35 /*
  36  * @summary Test XMLStreamWriter writes a document with encoding setting.
  37  */
  38 @Listeners({jaxp.library.BasePolicy.class})
  39 public class EncodingTest {
  40 
  41     private static final XMLOutputFactory XML_OUTPUT_FACTORY = XMLOutputFactory.newInstance();
  42 
  43     /*
  44      * Tests writing a document with UTF-8 encoding, by setting UTF-8 on writer.
  45      */
  46     @Test
  47     public void testWriteStartDocumentUTF8() {
  48 
  49         final String EXPECTED_OUTPUT = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><root></root>";
  50         XMLStreamWriter writer = null;
  51         ByteArrayOutputStream byteArrayOutputStream = null;
  52 
  53         try {
  54             byteArrayOutputStream = new ByteArrayOutputStream();
  55             writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(byteArrayOutputStream, "UTF-8");
  56 
  57             writer.writeStartDocument("UTF-8", "1.0");
  58             writer.writeStartElement("root");
  59             writer.writeEndElement();
  60             writer.writeEndDocument();
  61             writer.flush();
  62 
  63             String actualOutput = byteArrayOutputStream.toString();
  64             Assert.assertEquals(EXPECTED_OUTPUT, actualOutput);
  65 
  66         } catch (Exception e) {
  67             e.printStackTrace();
  68             Assert.fail(e.toString());
  69         }
  70 
  71     }
  72 
  73     /*
  74      * Tests writing a document with UTF-8 encoding on default enocding writer.
  75      * This scenario should result in an exception as default encoding is ASCII.
  76      */
  77     @Test
  78     public void testWriteStartDocumentUTF8Fail() {
  79 
  80         XMLStreamWriter writer = null;
  81         ByteArrayOutputStream byteArrayOutputStream = null;
  82 
  83         // pick a different encoding to use v. default encoding
  84         String defaultCharset = java.nio.charset.Charset.defaultCharset().name();
  85         String useCharset = "UTF-8";
  86         if (useCharset.equals(defaultCharset)) {
  87             useCharset = "US-ASCII";
  88         }
  89 
  90         System.out.println("defaultCharset = " + defaultCharset + ", useCharset = " + useCharset);
  91 
  92         try {
  93             byteArrayOutputStream = new ByteArrayOutputStream();
  94             writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(byteArrayOutputStream);
  95 
  96             writer.writeStartDocument(useCharset, "1.0");
  97             writer.writeStartElement("root");
  98             writer.writeEndElement();
  99             writer.writeEndDocument();
 100             writer.flush();
 101 
 102             Assert.fail("Expected XMLStreamException as default underlying stream encoding of " + defaultCharset
 103                     + " differs from explicitly specified encoding of " + useCharset);
 104         } catch (Exception e) {
 105             e.printStackTrace();
 106         }
 107     }
 108 }