1 /* 2 * Copyright (c) 2014, 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 java.io.BufferedWriter; 26 import java.io.File; 27 import java.io.FileWriter; 28 import java.io.IOException; 29 import javax.xml.parsers.ParserConfigurationException; 30 import javax.xml.parsers.SAXParser; 31 import javax.xml.parsers.SAXParserFactory; 32 import jaxp.library.JAXPFileBaseTest; 33 import static jaxp.library.JAXPTestUtilities.compareWithGold; 34 import static org.testng.Assert.assertTrue; 35 import org.testng.annotations.Test; 36 import org.xml.sax.Attributes; 37 import org.xml.sax.Locator; 38 import org.xml.sax.SAXException; 39 import org.xml.sax.SAXParseException; 40 import org.xml.sax.helpers.DefaultHandler; 41 import static org.xml.sax.ptests.SAXTestConst.CLASS_DIR; 42 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR; 43 import static org.xml.sax.ptests.SAXTestConst.XML_DIR; 44 45 /** 46 * XMLReader parse XML with default handler that transverses XML and 47 * print all visited node. Test verifies output is same as the golden file. 48 */ 49 public class DefaultHandlerTest extends JAXPFileBaseTest { 50 /** 51 * Test default handler that transverses XML and print all visited node. 52 * 53 * @throws SAXException If any parse errors occur. 54 * @throws IOException if the file exists but is a directory rather than 55 * a regular file, does not exist but cannot be created, or cannot 56 * be opened for any other reason. 57 * @throws ParserConfigurationException if a DocumentBuilder cannot be 58 * created which satisfies the configuration requested. 59 */ 60 @Test 61 public void testDefaultHandler() throws ParserConfigurationException, 62 SAXException, IOException { 63 String outputFile = CLASS_DIR + "DefaultHandler.out"; 64 String goldFile = GOLDEN_DIR + "DefaultHandlerGF.out"; 65 String xmlFile = XML_DIR + "namespace1.xml"; 66 67 SAXParserFactory spf = SAXParserFactory.newInstance(); 68 spf.setNamespaceAware(true); 69 SAXParser saxparser = spf.newSAXParser(); 70 71 MyDefaultHandler handler = new MyDefaultHandler(outputFile); 72 File file = new File(xmlFile); 73 String Absolutepath = file.getAbsolutePath(); 74 String newAbsolutePath = Absolutepath; 75 if (File.separatorChar == '\\') 76 newAbsolutePath = Absolutepath.replace('\\', '/'); 77 saxparser.parse("file:///" + newAbsolutePath, handler); 78 79 assertTrue(compareWithGold(goldFile, outputFile)); 80 81 } 82 } 83 84 class MyDefaultHandler extends DefaultHandler { 85 /** 86 * Prefix to every exception. 87 */ 88 private final static String WRITE_ERROR = "bWrite error"; 89 90 /** 91 * FileWriter to write string to output file. 92 */ 93 private final BufferedWriter bWriter; 94 95 /** 96 * Initiate FileWriter when construct a MyContentHandler. 97 * @param outputFileName output file name. 98 * @throws SAXException creation of FileWriter failed. 99 */ 100 MyDefaultHandler(String outputFileName) throws SAXException { 101 try { 102 bWriter = new BufferedWriter(new FileWriter(outputFileName)); 103 } catch (IOException ex) { 104 throw new SAXException(ex); 105 } 106 } 107 108 /** 109 * Write characters tag along with content of characters when meet 110 * characters event. 111 * @throws IOException error happen when writing file. 112 */ 113 @Override 114 public void characters(char[] ch, int start, int length) throws SAXException { 115 println("characters...\n" + new String(ch, start, length)); 116 } 117 118 /** 119 * Write endDocument tag then flush the content and close the file when meet 120 * endDocument event. 121 * @throws IOException error happen when writing file or closing file. 122 */ 123 @Override 124 public void endDocument() throws SAXException { 125 try { 126 println("endDocument..."); 127 bWriter.flush(); 128 bWriter.close(); 129 } catch (IOException ex) { 130 throw new SAXException(WRITE_ERROR, ex); 131 } 132 } 133 134 /** 135 * Write endElement tag with namespaceURI, localName, qName to the file when 136 * meet endElement event. 137 * @throws IOException error happen when writing file. 138 */ 139 @Override 140 public void endElement(String namespaceURI,String localName,String qName) throws SAXException{ 141 println("endElement...\n" + "namespaceURI: " + namespaceURI + 142 " localName: "+ localName + " qName: " + qName); 143 } 144 145 /** 146 * Write endPrefixMapping tag along with prefix to the file when meet 147 * endPrefixMapping event. 148 * @throws IOException error happen when writing file. 149 */ 150 @Override 151 public void endPrefixMapping(String prefix) throws SAXException { 152 println("endPrefixmapping .." + prefix); 153 } 154 155 /** 156 * Write error tag along with exception to the file when meet recoverable 157 * error event. 158 * @throws IOException error happen when writing file. 159 */ 160 @Override 161 public void error(SAXParseException e) throws SAXException { 162 println("error: " + e.getMessage()); 163 } 164 165 /** 166 * Write fatalError tag along with exception to the file when meet 167 * unrecoverable error event. 168 * @throws IOException error happen when writing file. 169 */ 170 @Override 171 public void fatalError(SAXParseException e) throws SAXException { 172 println("fatal error: "); 173 } 174 175 /** 176 * Write warning tag along with exception to the file when meet warning event. 177 * @throws IOException error happen when writing file. 178 */ 179 @Override 180 public void warning(SAXParseException e) throws SAXException { 181 println("warning : "); 182 } 183 184 /** 185 * Write ignorableWhitespace tag along with white spaces when meet 186 * ignorableWhitespace event. 187 * @throws IOException error happen when writing file. 188 */ 189 @Override 190 public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException { 191 String s = new String(ch, start, length); 192 println("ignorableWhitespace...\n" + s + 193 " ignorable white space string length: " + s.length()); 194 } 195 196 /** 197 * Write processingInstruction tag along with target name and target data 198 * when meet processingInstruction event. 199 * @throws IOException error happen when writing file. 200 */ 201 @Override 202 public void processingInstruction(String target, String data) throws SAXException { 203 println("processingInstruction...target:" + target + 204 " data: " + data); 205 } 206 207 @Override 208 public void setDocumentLocator(Locator locator) { 209 try { 210 println("setDocumentLocator..."); 211 } catch (SAXException ex) { 212 System.err.println(WRITE_ERROR + ex); 213 } 214 } 215 216 /** 217 * Write skippedEntity tag along with entity name when meet skippedEntity 218 * event. 219 * @throws IOException error happen when writing file. 220 */ 221 @Override 222 public void skippedEntity(String name) throws SAXException { 223 println("skippedEntity...\n" + "name: " + name); 224 } 225 226 /** 227 * Write startDocument tag when meet startDocument event. 228 * @throws IOException error happen when writing file. 229 */ 230 @Override 231 public void startDocument() throws SAXException { 232 println("startDocument..."); 233 } 234 235 /** 236 * Write startElement tag along with namespaceURI, localName, qName, number 237 * of attributes and line number when meet startElement event. 238 * @throws IOException error happen when writing file. 239 */ 240 @Override 241 public void startElement(String namespaceURI, String localName, 242 String qName, Attributes atts) throws SAXException { 243 println("startElement...\n" + "namespaceURI: " + namespaceURI + 244 " localName: " + localName + " qName: " + qName + 245 " Number of Attributes: " + atts.getLength()); 246 } 247 248 /** 249 * Write startPrefixMapping tag along with prefix and uri when meet 250 * startPrefixMapping event. 251 * @throws IOException error happen when writing file. 252 */ 253 @Override 254 public void startPrefixMapping(String prefix, String uri) throws SAXException { 255 println("startPrefixMapping...\n" + "prefix: " + prefix + " uri: " + uri); 256 } 257 258 /** 259 * Write outString to file. 260 * @param outString String to be written to File 261 * @throws SAXException if write file failed 262 */ 263 private void println(String outString) throws SAXException { 264 try { 265 bWriter.write( outString, 0, outString.length()); 266 bWriter.newLine(); 267 } catch (IOException ex) { 268 throw new SAXException(WRITE_ERROR, ex); 269 } 270 } 271 }