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 org.xml.sax.helpers.DefaultHandler; 26 import org.xml.sax.helpers.LocatorImpl; 27 import org.xml.sax.Locator; 28 import org.xml.sax.Attributes; 29 import java.io.BufferedWriter; 30 import java.io.IOException; 31 import java.io.FileWriter; 32 import org.xml.sax.SAXException; 33 34 class MyNSContentHandler extends DefaultHandler implements AutoCloseable{ 35 /** 36 * Prefix for written string. 37 */ 38 private final static String WRITE_ERROR = "bWrite error"; 39 40 /** 41 * FileWriter to write output file. 42 */ 43 private final BufferedWriter bWriter; 44 45 /** 46 * Default locator. 47 */ 48 Locator locator = new LocatorImpl(); 49 50 /** 51 * Initiate FileWrite. 52 * @param outputFileName file name of output file. 53 * @throws SAXException when open output file failed. 54 */ 55 public MyNSContentHandler(String outputFileName) throws SAXException { 56 try { 57 bWriter = new BufferedWriter(new FileWriter(outputFileName)); 58 } catch (IOException ex) { 59 throw new SAXException(ex); 60 } 61 } 62 63 /** 64 * Write characters tag along with content of characters when meet 65 * characters event. 66 * @throws IOException error happen when writing file. 67 */ 68 @Override 69 public void characters(char[] ch, int start, int length) 70 throws SAXException { 71 String s = new String(ch, start, length); 72 println("characters...length is:" + s.length() + "\n" 73 + "<" + s + ">"); 74 } 75 76 /** 77 * Write endDocument tag then flush the content and close the file when meet 78 * endDocument event. 79 * @throws IOException error happen when writing file or closing file. 80 */ 81 @Override 82 public void endDocument() throws SAXException { 83 try { 84 println("endDocument..."); 85 bWriter.flush(); 86 bWriter.close(); 87 } catch (IOException ex) { 88 throw new SAXException(WRITE_ERROR, ex); 89 } 90 } 91 92 /** 93 * Write endElement tag with namespaceURI, localName, qName to the file when 94 * meet endElement event. 95 * @throws IOException error happen when writing file. 96 */ 97 @Override 98 public void endElement(String namespaceURI, String localName, String qName) 99 throws SAXException { 100 println("endElement...\n" + "namespaceURI: <" + namespaceURI 101 + "> localName: <" + localName + "> qName: <" + qName + ">"); 102 } 103 104 /** 105 * Write endPrefixMapping tag along with prefix to the file when meet 106 * endPrefixMapping event. 107 * @throws IOException error happen when writing file. 108 */ 109 @Override 110 public void endPrefixMapping(String prefix) throws SAXException { 111 println("endPrefixMapping...\n" + "prefix: <" + prefix + ">"); 112 } 113 114 /** 115 * Write ignorableWhitespace tag along with white spaces when meet 116 * ignorableWhitespace event. 117 * @throws IOException error happen when writing file. 118 */ 119 @Override 120 public void ignorableWhitespace(char[] ch, int start, int length) 121 throws SAXException { 122 String s = new String(ch, start, length); 123 println("ignorableWhitespace...\n" + s 124 + " ignorable white space string length: " + s.length()); 125 } 126 127 /** 128 * Write processingInstruction tag along with target name and target data 129 * when meet processingInstruction event. 130 * @throws IOException error happen when writing file. 131 */ 132 @Override 133 public void processingInstruction(String target, String data) 134 throws SAXException { 135 println("processingInstruction...target:<" + target 136 + "> data: <" + data + ">"); 137 } 138 139 /** 140 * Write setDocumentLocator tag when meet setDocumentLocator event. 141 */ 142 @Override 143 public void setDocumentLocator(Locator locator) { 144 try { 145 this.locator = locator; 146 println("setDocumentLocator..."); 147 } catch (SAXException ex) { 148 System.err.println(WRITE_ERROR + ex); 149 } 150 } 151 152 /** 153 * Write skippedEntity tag along with entity name when meet skippedEntity 154 * event. 155 * @throws IOException error happen when writing file. 156 */ 157 @Override 158 public void skippedEntity(String name) throws SAXException { 159 println("skippedEntity...\n" + "name: <" + name + ">"); 160 } 161 162 /** 163 * Write startDocument tag when meet startDocument event. 164 * @throws IOException error happen when writing file. 165 */ 166 @Override 167 public void startDocument() throws SAXException { 168 println("startDocument..."); 169 } 170 171 /** 172 * Write startElement tag along with namespaceURI, localName, qName, number 173 * of attributes and line number when meet startElement event. 174 * @throws IOException error happen when writing file. 175 */ 176 @Override 177 public void startElement(String namespaceURI, String localName, 178 String qName, Attributes atts) throws SAXException { 179 println("startElement...\n" + "namespaceURI: <" + namespaceURI 180 + "> localName: <" + localName + "> qName: <" + qName 181 + "> Number of Attributes: <" + atts.getLength() 182 + "> Line# <" + locator.getLineNumber() + ">"); 183 } 184 185 /** 186 * Write startPrefixMapping tag along with prefix and uri when meet 187 * startPrefixMapping event. 188 * @throws IOException error happen when writing file. 189 */ 190 @Override 191 public void startPrefixMapping(String prefix, String uri) 192 throws SAXException { 193 println("startPrefixMapping...\n" + "prefix: <" + prefix 194 + "> uri: <" + uri + ">"); 195 } 196 /** 197 * Write outString to output file. 198 * @param outString string to be written. 199 * @throws SAXException 200 */ 201 private void println(String outString) throws SAXException { 202 try { 203 bWriter.write( outString, 0, outString.length()); 204 bWriter.newLine(); 205 } catch (IOException ex) { 206 throw new SAXException(WRITE_ERROR, ex); 207 } 208 } 209 210 /** 211 * Close writer if it's initiated. 212 * @throws IOException if any I/O error when close writer. 213 */ 214 @Override 215 public void close() throws IOException { 216 if (bWriter != null) 217 bWriter.close(); 218 } 219 }