1 /* 2 * Copyright (c) 2019, 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.ByteArrayInputStream; 27 import java.io.ByteArrayOutputStream; 28 import java.io.InputStream; 29 import java.io.PrintStream; 30 31 import javax.xml.transform.ErrorListener; 32 import javax.xml.transform.TransformerConfigurationException; 33 import javax.xml.transform.TransformerException; 34 import javax.xml.transform.TransformerFactory; 35 import javax.xml.transform.sax.SAXSource; 36 import org.testng.Assert; 37 import org.testng.annotations.AfterClass; 38 import org.testng.annotations.BeforeClass; 39 import org.testng.annotations.Test; 40 import org.xml.sax.InputSource; 41 42 /* 43 * @test 44 * @bug 8157830 45 * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest 46 * @run testng/othervm transform.ErrorListenerTest 47 * @summary Verifies that ErrorListeners are handled properly 48 */ 49 public class ErrorListenerTest { 50 51 static final private String INVALID_STYLESHEET = "xxx"; 52 static final private String SYSTEM_ID = "http://openjdk_java_net/xsl/dummy.xsl"; 53 54 PrintStream original; 55 56 @BeforeClass 57 public void setUpClass() throws Exception { 58 // save the PrintStream 59 original = System.err; 60 } 61 62 @AfterClass 63 protected void tearDown() throws Exception { 64 // set back to the original 65 System.setErr(original); 66 } 67 68 /** 69 * Verifies that when an ErrorListener is registered, parser errors are passed 70 * onto the listener without other output. 71 * 72 * @throws Exception 73 */ 74 @Test 75 public void test() throws Exception { 76 InputStream is = new ByteArrayInputStream(INVALID_STYLESHEET.getBytes()); 77 InputSource source = new InputSource(is); 78 source.setSystemId(SYSTEM_ID); 79 80 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 81 PrintStream ps = new PrintStream(baos); 82 System.setErr(ps); 83 84 TransformerFactory factory = TransformerFactory.newInstance(); 85 factory.setErrorListener(new ErrListener()); 86 87 try { 88 factory.newTransformer(new SAXSource(source)); 89 } catch (TransformerConfigurationException e) { 90 // nothing 91 } 92 93 // all errors are handled by the ErrorListener, no other output 94 Assert.assertEquals(baos.toString(), ""); 95 96 } 97 98 class ErrListener implements ErrorListener { 99 100 @Override 101 public void error(TransformerException exception) 102 throws TransformerException { 103 System.out.println("Correctly handled error: " + exception.getMessage()); 104 } 105 106 @Override 107 public void fatalError(TransformerException exception) 108 throws TransformerException { 109 System.out.println("Correctly handled fatal: " + exception.getMessage()); 110 } 111 112 @Override 113 public void warning(TransformerException exception) 114 throws TransformerException { 115 System.out.println("Correctly handled warning: " + exception.getMessage()); 116 } 117 } 118 }