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 sax;
  25 
  26 import java.io.IOException;
  27 import java.io.StringReader;
  28 
  29 import javax.xml.parsers.ParserConfigurationException;
  30 import javax.xml.parsers.SAXParser;
  31 import javax.xml.parsers.SAXParserFactory;
  32 
  33 import org.testng.Assert;
  34 import org.testng.annotations.Listeners;
  35 import org.testng.annotations.Test;
  36 import org.xml.sax.Attributes;
  37 import org.xml.sax.ErrorHandler;
  38 import org.xml.sax.InputSource;
  39 import org.xml.sax.SAXException;
  40 import org.xml.sax.helpers.DefaultHandler;
  41 
  42 /*
  43  * @bug 6809409
  44  * @summary Test SAXException has Cause.
  45  */
  46 @Listeners({jaxp.library.BasePolicy.class})
  47 public class IssueTracker56Test {
  48 
  49     @Test
  50     public void testException() {
  51         try {
  52             SAXParserFactory spf = SAXParserFactory.newInstance();
  53             SAXParser parser = spf.newSAXParser();
  54             String xmlToParse = "<root>Issue 56: SAXException does not do the exception chaining properly</root>";
  55             InputSource source = new InputSource(new StringReader(xmlToParse));
  56             parser.parse(source, new MyHandler());
  57         } catch (SAXException ex) {
  58             System.out.println(ex.getCause());
  59             if (ex.getCause() == null)
  60                 Assert.fail("failed chaining exception properly.");
  61             // ex.printStackTrace(); //will not print out root cause without the
  62             // fix
  63         } catch (IOException ex) {
  64             // shouldn't happen
  65         } catch (ParserConfigurationException ex) {
  66             // shouldn't happen
  67         }
  68     }
  69 
  70     @Test
  71     public void testWorkAround() throws Exception {
  72         try {
  73             SAXParserFactory spf = SAXParserFactory.newInstance();
  74             SAXParser parser = spf.newSAXParser();
  75             String xmlToParse = "<root>Issue 56: SAXException does not do the exception chaining properly</root>";
  76             InputSource source = new InputSource(new StringReader(xmlToParse));
  77             parser.parse(source, new MyHandler1());
  78         } catch (SAXException ex) {
  79             System.out.println(ex.getCause());
  80             // ex.printStackTrace(); //will print out root cause
  81         } catch (IOException ex) {
  82             // shouldn't happen
  83         } catch (ParserConfigurationException ex) {
  84             // shouldn't happen
  85         }
  86 
  87     }
  88 
  89     @Listeners({jaxp.library.BasePolicy.class})
  90 public class MyHandler extends DefaultHandler implements ErrorHandler {
  91 
  92         public void startDocument() throws SAXException {
  93         }
  94 
  95         public void endDocument() throws SAXException {
  96         }
  97 
  98         public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
  99             try {
 100                 System.out.println(uri);
 101                 System.out.println(uri.charAt(56));
 102             } catch (Exception e) {
 103                 throw new SAXException(e);
 104             }
 105 
 106         }
 107 
 108         public void endElement(String uri, String localName, String qName) throws SAXException {
 109         }
 110 
 111         public void characters(char ch[], int start, int length) throws SAXException {
 112         }
 113 
 114     }
 115 
 116     @Listeners({jaxp.library.BasePolicy.class})
 117 public class MyHandler1 extends DefaultHandler implements ErrorHandler {
 118 
 119         public void startDocument() throws SAXException {
 120         }
 121 
 122         public void endDocument() throws SAXException {
 123         }
 124 
 125         public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXExceptionExt {
 126             try {
 127                 System.out.println(uri);
 128                 System.out.println(uri.charAt(56));
 129             } catch (Exception e) {
 130                 throw new SAXExceptionExt(e);
 131             }
 132 
 133         }
 134 
 135         public void endElement(String uri, String localName, String qName) throws SAXException {
 136         }
 137 
 138         public void characters(char ch[], int start, int length) throws SAXException {
 139         }
 140 
 141     }
 142 }