1 /* 2 * Copyright (c) 2014, 2016, 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 parsers; 25 26 import java.io.StringReader; 27 28 import javax.xml.parsers.SAXParser; 29 import javax.xml.parsers.SAXParserFactory; 30 31 import org.testng.Assert; 32 import org.testng.annotations.Listeners; 33 import org.testng.annotations.Test; 34 import org.xml.sax.InputSource; 35 import org.xml.sax.helpers.DefaultHandler; 36 37 /* 38 * @summary Test SAXParser doesn't accept empty stream. 39 */ 40 @Listeners({jaxp.library.BasePolicy.class}) 41 public class ParseEmptyStream { 42 43 SAXParserFactory factory = null; 44 45 public ParseEmptyStream(String name) { 46 try { 47 factory = SAXParserFactory.newInstance(); 48 factory.setNamespaceAware(true); 49 } catch (Exception ex) { 50 Assert.fail(ex.getMessage()); 51 } 52 } 53 54 @Test 55 public void testEmptyStream() { 56 try { 57 SAXParser parser = factory.newSAXParser(); 58 InputSource source = new InputSource(new StringReader("")); 59 parser.parse(source, new MyHandler()); 60 Assert.fail("Inputstream without document element accepted"); 61 } catch (Exception ex) { 62 System.out.println("Exception thrown: " + ex.getMessage()); 63 // Premature end of file exception expected 64 } 65 } 66 67 @Test 68 public void testXmlDeclOnly() { 69 try { 70 SAXParser parser = factory.newSAXParser(); 71 InputSource source = new InputSource(new StringReader("<?xml version='1.0' encoding='utf-8'?>")); 72 parser.parse(source, new MyHandler()); 73 Assert.fail("Inputstream without document element accepted"); 74 } catch (Exception ex) { 75 System.out.println("Exception thrown: " + ex.getMessage()); 76 // Premature end of file exception expected 77 } 78 } 79 80 static class MyHandler extends DefaultHandler { 81 public void startDocument() { 82 System.out.println("Start document called"); 83 } 84 85 public void endDocument() { 86 System.out.println("End document called"); 87 } 88 } 89 90 }