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.FileInputStream; 27 import java.io.FileWriter; 28 import java.io.IOException; 29 import java.nio.file.Files; 30 import java.nio.file.Path; 31 import java.nio.file.Paths; 32 import javax.xml.parsers.ParserConfigurationException; 33 import javax.xml.parsers.SAXParserFactory; 34 import static jaxp.library.JAXPTestUtilities.compareWithGold; 35 import static jaxp.library.JAXPTestUtilities.failCleanup; 36 import static jaxp.library.JAXPTestUtilities.failUnexpected; 37 import static org.testng.Assert.assertTrue; 38 import org.testng.annotations.Test; 39 import org.xml.sax.Attributes; 40 import org.xml.sax.ContentHandler; 41 import org.xml.sax.InputSource; 42 import org.xml.sax.Locator; 43 import org.xml.sax.SAXException; 44 import org.xml.sax.XMLReader; 45 import org.xml.sax.helpers.XMLFilterImpl; 46 import static org.xml.sax.ptests.SAXTestConst.CLASS_DIR; 47 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR; 48 import static org.xml.sax.ptests.SAXTestConst.XML_DIR; 49 50 /** 51 * Class registers a content event handler to XMLReader. Content event handler 52 * transverses XML and print all visited node when XMLreader parses XML. Test 53 * verifies output is same as the golden file. 54 */ 55 public class ContentHandlerTest { 56 /** 57 * Content event handler visit all nodes to print to output file. 58 */ 59 @Test 60 public void testcase01() { 61 String outputFile = CLASS_DIR + "Content.out"; 62 String goldFile = GOLDEN_DIR + "ContentGF.out"; 63 String xmlFile = XML_DIR + "namespace1.xml"; 64 65 try(FileInputStream instream = new FileInputStream(xmlFile)) { 66 SAXParserFactory spf = SAXParserFactory.newInstance(); 67 spf.setNamespaceAware(true); 68 XMLReader xmlReader = spf.newSAXParser().getXMLReader(); 69 ContentHandler cHandler = new MyContentHandler(outputFile); 70 xmlReader.setContentHandler(cHandler); 71 InputSource is = new InputSource(instream); 72 xmlReader.parse(is); 73 assertTrue(compareWithGold(goldFile, outputFile)); 74 } catch( IOException | SAXException | ParserConfigurationException ex) { 75 failUnexpected(ex); 76 } finally { 77 try { 78 Path outputPath = Paths.get(outputFile); 79 if(Files.exists(outputPath)) 80 Files.delete(outputPath); 81 } catch (IOException ex) { 82 failCleanup(ex, outputFile); 83 } 84 } 85 } 86 } 87 88 /** 89 * A content write out handler. 90 */ 91 class MyContentHandler extends XMLFilterImpl { 92 /** 93 * Prefix to every exception. 94 */ 95 private final static String WRITE_ERROR = "bWriter error"; 96 97 /** 98 * FileWriter to write string to output file. 99 */ 100 private final BufferedWriter bWriter; 101 102 /** 103 * Default document locator. 104 */ 105 private Locator locator; 106 107 /** 108 * Initiate FileWriter when construct a MyContentHandler. 109 * @param outputFileName output file name. 110 * @throws SAXException creation of FileWriter failed. 111 */ 241 */ 242 @Override 243 public void startPrefixMapping(String prefix, String uri) throws SAXException { 244 println("startPrefixMapping...\n" + "prefix: " + prefix + 245 " uri: " + uri); 246 } 247 248 /** 249 * Write outString to file. 250 * @param outString String to be written to File 251 * @throws SAXException if write file failed 252 */ 253 private void println(String outString) throws SAXException { 254 try { 255 bWriter.write( outString, 0, outString.length()); 256 bWriter.newLine(); 257 } catch (IOException ex) { 258 throw new SAXException(WRITE_ERROR, ex); 259 } 260 } 261 } | 1 /* 2 * Copyright (c) 2003, 2015, 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.FileInputStream; 27 import java.io.FileWriter; 28 import java.io.IOException; 29 import javax.xml.parsers.SAXParserFactory; 30 import jaxp.library.JAXPFileBaseTest; 31 import static jaxp.library.JAXPTestUtilities.USER_DIR; 32 import static jaxp.library.JAXPTestUtilities.compareWithGold; 33 import static org.testng.Assert.assertTrue; 34 import org.testng.annotations.Test; 35 import org.xml.sax.Attributes; 36 import org.xml.sax.InputSource; 37 import org.xml.sax.Locator; 38 import org.xml.sax.SAXException; 39 import org.xml.sax.XMLReader; 40 import org.xml.sax.helpers.XMLFilterImpl; 41 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR; 42 import static org.xml.sax.ptests.SAXTestConst.XML_DIR; 43 44 /** 45 * Class registers a content event handler to XMLReader. Content event handler 46 * transverses XML and print all visited node when XMLreader parses XML. Test 47 * verifies output is same as the golden file. 48 */ 49 public class ContentHandlerTest extends JAXPFileBaseTest { 50 /** 51 * Content event handler visit all nodes to print to output file. 52 * 53 * @throws Exception If any errors occur. 54 */ 55 @Test 56 public void testcase01() throws Exception { 57 String outputFile = USER_DIR + "Content.out"; 58 String goldFile = GOLDEN_DIR + "ContentGF.out"; 59 String xmlFile = XML_DIR + "namespace1.xml"; 60 61 try(FileInputStream instream = new FileInputStream(xmlFile); 62 MyContentHandler cHandler = new MyContentHandler(outputFile)) { 63 SAXParserFactory spf = SAXParserFactory.newInstance(); 64 spf.setNamespaceAware(true); 65 XMLReader xmlReader = spf.newSAXParser().getXMLReader(); 66 xmlReader.setContentHandler(cHandler); 67 xmlReader.parse(new InputSource(instream)); 68 } 69 assertTrue(compareWithGold(goldFile, outputFile)); 70 } 71 } 72 73 /** 74 * A content write out handler. 75 */ 76 class MyContentHandler extends XMLFilterImpl implements AutoCloseable { 77 /** 78 * Prefix to every exception. 79 */ 80 private final static String WRITE_ERROR = "bWriter error"; 81 82 /** 83 * FileWriter to write string to output file. 84 */ 85 private final BufferedWriter bWriter; 86 87 /** 88 * Default document locator. 89 */ 90 private Locator locator; 91 92 /** 93 * Initiate FileWriter when construct a MyContentHandler. 94 * @param outputFileName output file name. 95 * @throws SAXException creation of FileWriter failed. 96 */ 226 */ 227 @Override 228 public void startPrefixMapping(String prefix, String uri) throws SAXException { 229 println("startPrefixMapping...\n" + "prefix: " + prefix + 230 " uri: " + uri); 231 } 232 233 /** 234 * Write outString to file. 235 * @param outString String to be written to File 236 * @throws SAXException if write file failed 237 */ 238 private void println(String outString) throws SAXException { 239 try { 240 bWriter.write( outString, 0, outString.length()); 241 bWriter.newLine(); 242 } catch (IOException ex) { 243 throw new SAXException(WRITE_ERROR, ex); 244 } 245 } 246 247 /** 248 * Close the writer if it's initiated. 249 * @throws IOException if any IO error when close buffered writer. 250 */ 251 @Override 252 public void close() throws IOException { 253 if (bWriter != null) 254 bWriter.close(); 255 } 256 } |