1 /* 2 * Copyright (c) 2020, 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; 25 26 import java.io.ByteArrayOutputStream; 27 import java.io.OutputStream; 28 import java.io.Reader; 29 import java.io.StringReader; 30 import javax.xml.parsers.SAXParser; 31 import javax.xml.parsers.SAXParserFactory; 32 import javax.xml.stream.XMLEventWriter; 33 import javax.xml.stream.XMLOutputFactory; 34 import javax.xml.stream.XMLStreamWriter; 35 import javax.xml.transform.Transformer; 36 import javax.xml.transform.TransformerFactory; 37 import javax.xml.transform.stax.StAXResult; 38 import javax.xml.transform.stream.StreamSource; 39 import org.testng.annotations.BeforeClass; 40 import org.testng.annotations.Test; 41 import org.xml.sax.InputSource; 42 import org.xml.sax.helpers.DefaultHandler; 43 44 /* 45 * @test 46 * @bug 8238183 47 * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest 48 * @run testng/othervm transform.ResultTest 49 * @summary Verifies that the output of a transformation is well-formed when 50 * StAXResult is used. 51 */ 52 public class ResultTest { 53 // The XML contains a comment before the root element 54 final static String XML = 55 "<?xml version=\"1.0\" ?>\n" 56 + "<!--comment-->\n" 57 + "<root />\n"; 58 static Transformer T; 59 60 @BeforeClass 61 public void setup() { 62 try { 63 T = TransformerFactory.newInstance().newTransformer(); 64 } catch (Exception e) { 65 throw new RuntimeException(e.getMessage()); 66 } 67 } 68 69 /** 70 * Transforms the XML using a StAXResult with a StreamWriter. 71 * @throws Exception if the process fails 72 */ 73 @Test 74 public void testStreamWriter() throws Exception { 75 try (Reader reader = new StringReader(XML); 76 OutputStream out = new ByteArrayOutputStream()) { 77 XMLOutputFactory factory = XMLOutputFactory.newFactory(); 78 XMLStreamWriter writer = factory.createXMLStreamWriter(out); 79 StreamSource source = new StreamSource(reader); 80 StAXResult result = new StAXResult(writer); 81 T.transform(source, result); 82 // verify the output is well-formed 83 parseXML(out.toString()); 84 } 85 } 86 87 /** 88 * Transforms the XML using a StAXResult with a EventWriter. 89 * @throws Exception if the process fails 90 */ 91 @Test 92 public void testEventWriter() throws Exception { 93 try (Reader reader = new StringReader(XML); 94 OutputStream out = new ByteArrayOutputStream()) { 95 XMLOutputFactory ofactory = XMLOutputFactory.newInstance(); 96 XMLEventWriter writer = ofactory.createXMLEventWriter(out); 97 StAXResult result = new StAXResult(writer); 98 StreamSource source = new StreamSource(reader); 99 T.transform(source, result); 100 parseXML(out.toString()); 101 } 102 } 103 104 // parses the xml to verify that it's well-formed 105 private void parseXML(String xml) throws Exception { 106 SAXParser parser = SAXParserFactory.newInstance().newSAXParser(); 107 parser.parse(new InputSource(new StringReader(xml)), new DefaultHandler()); 108 } 109 }