1 /*
   2  * Copyright (c) 2003, 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 package org.xml.sax.ptests;
  24 
  25 import static jaxp.library.JAXPTestUtilities.USER_DIR;
  26 import static jaxp.library.JAXPTestUtilities.compareWithGold;
  27 import static org.testng.Assert.assertTrue;
  28 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR;
  29 import static org.xml.sax.ptests.SAXTestConst.XML_DIR;
  30 
  31 import java.io.BufferedWriter;
  32 import java.io.File;
  33 import java.io.FileWriter;
  34 import java.io.IOException;
  35 
  36 import javax.xml.parsers.SAXParser;
  37 import javax.xml.parsers.SAXParserFactory;
  38 
  39 import org.testng.annotations.Listeners;
  40 import org.testng.annotations.Test;
  41 import org.xml.sax.Attributes;
  42 import org.xml.sax.Locator;
  43 import org.xml.sax.SAXException;
  44 import org.xml.sax.SAXParseException;
  45 import org.xml.sax.helpers.DefaultHandler;
  46 
  47 /**
  48  * XMLReader parse XML with default handler that transverses XML and
  49  * print all visited node. Test verifies output is same as the golden file.
  50  */
  51 @Listeners({jaxp.library.FilePolicy.class})
  52 public class DefaultHandlerTest {
  53     /**
  54      * Test default handler that transverses XML and  print all visited node.
  55      *
  56      * @throws Exception If any errors occur.
  57      */
  58     @Test
  59     public void testDefaultHandler() throws Exception {
  60         String outputFile = USER_DIR + "DefaultHandler.out";
  61         String goldFile = GOLDEN_DIR + "DefaultHandlerGF.out";
  62         String xmlFile = XML_DIR + "namespace1.xml";
  63 
  64         SAXParserFactory spf = SAXParserFactory.newInstance();
  65         spf.setNamespaceAware(true);
  66         SAXParser saxparser = spf.newSAXParser();
  67 
  68         MyDefaultHandler handler = new MyDefaultHandler(outputFile);
  69         File file = new File(xmlFile);
  70         String Absolutepath = file.getAbsolutePath();
  71         String newAbsolutePath = Absolutepath;
  72         if (File.separatorChar == '\\')
  73                 newAbsolutePath = Absolutepath.replace('\\', '/');
  74         saxparser.parse("file:///" + newAbsolutePath, handler);
  75 
  76         assertTrue(compareWithGold(goldFile, outputFile));
  77 
  78     }
  79 }
  80 
  81 class MyDefaultHandler extends DefaultHandler {
  82     /**
  83      * Prefix to every exception.
  84      */
  85     private final static String WRITE_ERROR = "bWrite error";
  86 
  87     /**
  88      * FileWriter to write string to output file.
  89      */
  90     private final BufferedWriter bWriter;
  91 
  92     /**
  93      * Initiate FileWriter when construct a MyContentHandler.
  94      * @param outputFileName output file name.
  95      * @throws SAXException creation of FileWriter failed.
  96      */
  97     MyDefaultHandler(String outputFileName) throws SAXException {
  98         try {
  99             bWriter = new BufferedWriter(new FileWriter(outputFileName));
 100         } catch (IOException ex) {
 101             throw new SAXException(ex);
 102         }
 103     }
 104 
 105     /**
 106      * Write characters tag along with content of characters when meet
 107      * characters event.
 108      * @throws IOException error happen when writing file.
 109      */
 110     @Override
 111     public void characters(char[] ch, int start, int length) throws SAXException {
 112         println("characters...\n" + new String(ch, start, length));
 113     }
 114 
 115     /**
 116      * Write endDocument tag then flush the content and close the file when meet
 117      * endDocument event.
 118      * @throws IOException error happen when writing file or closing file.
 119      */
 120     @Override
 121     public void endDocument() throws SAXException {
 122         try {
 123             println("endDocument...");
 124             bWriter.flush();
 125             bWriter.close();
 126         } catch (IOException ex) {
 127             throw new SAXException(WRITE_ERROR, ex);
 128         }
 129     }
 130 
 131     /**
 132      * Write endElement tag with namespaceURI, localName, qName to the file when
 133      * meet endElement event.
 134      * @throws IOException error happen when writing file.
 135      */
 136     @Override
 137     public void endElement(String namespaceURI,String localName,String qName) throws SAXException{
 138         println("endElement...\n" + "namespaceURI: " + namespaceURI +
 139                 " localName: "+ localName + " qName: " + qName);
 140     }
 141 
 142     /**
 143      * Write endPrefixMapping tag along with prefix to the file when meet
 144      * endPrefixMapping event.
 145      * @throws IOException error happen when writing file.
 146      */
 147     @Override
 148     public void endPrefixMapping(String prefix) throws SAXException {
 149         println("endPrefixmapping .." + prefix);
 150     }
 151 
 152     /**
 153      * Write error tag along with exception to the file when meet recoverable
 154      * error event.
 155      * @throws IOException error happen when writing file.
 156      */
 157     @Override
 158     public void error(SAXParseException e) throws SAXException {
 159         println("error: " + e.getMessage());
 160     }
 161 
 162     /**
 163      * Write fatalError tag along with exception to the file when meet
 164      * unrecoverable error event.
 165      * @throws IOException error happen when writing file.
 166      */
 167     @Override
 168     public void fatalError(SAXParseException e) throws SAXException {
 169         println("fatal error: ");
 170     }
 171 
 172     /**
 173      * Write warning tag along with exception to the file when meet warning event.
 174      * @throws IOException error happen when writing file.
 175      */
 176     @Override
 177     public void warning(SAXParseException e) throws SAXException {
 178         println("warning : ");
 179     }
 180 
 181     /**
 182      * Write ignorableWhitespace tag along with white spaces when meet
 183      * ignorableWhitespace event.
 184      * @throws IOException error happen when writing file.
 185      */
 186     @Override
 187     public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {
 188         String s = new String(ch, start, length);
 189         println("ignorableWhitespace...\n" + s +
 190                 " ignorable white space string length: " + s.length());
 191     }
 192 
 193     /**
 194      * Write processingInstruction tag along with target name and target data
 195      * when meet processingInstruction event.
 196      * @throws IOException error happen when writing file.
 197      */
 198     @Override
 199     public void processingInstruction(String target, String data) throws SAXException {
 200         println("processingInstruction...target:" + target +
 201                         " data: " + data);
 202     }
 203 
 204     @Override
 205     public void setDocumentLocator(Locator locator) {
 206         try {
 207             println("setDocumentLocator...");
 208         } catch (SAXException ex) {
 209             System.err.println(WRITE_ERROR + ex);
 210         }
 211     }
 212 
 213     /**
 214      * Write skippedEntity tag along with entity name when meet skippedEntity
 215      * event.
 216      * @throws IOException error happen when writing file.
 217      */
 218     @Override
 219     public void skippedEntity(String name) throws SAXException {
 220         println("skippedEntity...\n" + "name: " + name);
 221     }
 222 
 223     /**
 224      * Write startDocument tag when meet startDocument event.
 225      * @throws IOException error happen when writing file.
 226      */
 227     @Override
 228     public void startDocument() throws SAXException {
 229         println("startDocument...");
 230     }
 231 
 232     /**
 233      * Write startElement tag along with namespaceURI, localName, qName, number
 234      * of attributes and line number when meet startElement event.
 235      * @throws IOException error happen when writing file.
 236      */
 237     @Override
 238     public void startElement(String namespaceURI, String localName,
 239                                         String qName, Attributes atts) throws SAXException {
 240         println("startElement...\n" + "namespaceURI: " +  namespaceURI +
 241                         " localName: " + localName +  " qName: " + qName +
 242                         " Number of Attributes: " + atts.getLength());
 243     }
 244 
 245     /**
 246      * Write startPrefixMapping tag along with prefix and uri when meet
 247      * startPrefixMapping event.
 248      * @throws IOException error happen when writing file.
 249      */
 250     @Override
 251     public void startPrefixMapping(String prefix, String uri) throws SAXException {
 252         println("startPrefixMapping...\n" + "prefix: " + prefix + " uri: " + uri);
 253     }
 254 
 255     /**
 256      * Write outString to file.
 257      * @param outString String to be written to File
 258      * @throws SAXException if write file failed
 259      */
 260     private void println(String outString) throws SAXException {
 261         try {
 262             bWriter.write( outString, 0, outString.length());
 263             bWriter.newLine();
 264         } catch (IOException ex) {
 265             throw new SAXException(WRITE_ERROR, ex);
 266         }
 267     }
 268 }