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 java.nio.file.StandardCopyOption.REPLACE_EXISTING; 26 import static jaxp.library.JAXPTestUtilities.USER_DIR; 27 import static jaxp.library.JAXPTestUtilities.compareWithGold; 28 import static org.testng.Assert.assertTrue; 29 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR; 30 import static org.xml.sax.ptests.SAXTestConst.XML_DIR; 31 32 import java.io.BufferedWriter; 33 import java.io.File; 34 import java.io.FileInputStream; 35 import java.io.FileWriter; 36 import java.io.IOException; 37 import java.net.URI; 38 import java.net.URISyntaxException; 39 import java.nio.file.Files; 40 import java.nio.file.Paths; 41 42 import javax.xml.parsers.SAXParser; 43 import javax.xml.parsers.SAXParserFactory; 44 45 import org.testng.annotations.Listeners; 46 import org.testng.annotations.Test; 47 import org.xml.sax.InputSource; 48 import org.xml.sax.SAXException; 49 import org.xml.sax.XMLReader; 50 import org.xml.sax.helpers.XMLFilterImpl; 51 52 /** 53 * Entity resolver should be invoked in XML parse. This test verifies parsing 54 * process by checking the output with golden file. 55 */ 56 @Test 57 @Listeners({jaxp.library.FilePolicy.class}) 58 public class ResolverTest { 59 /** 60 * Unit test for entityResolver setter. 61 * 62 * @throws Exception If any errors occur. 63 */ 64 public void testResolver() throws Exception { 65 String outputFile = USER_DIR + "EntityResolver.out"; 66 String goldFile = GOLDEN_DIR + "EntityResolverGF.out"; 67 String xmlFile = XML_DIR + "publish.xml"; 68 69 Files.copy(Paths.get(XML_DIR + "publishers.dtd"), 70 Paths.get(USER_DIR + File.separator + "publishers.dtd"), REPLACE_EXISTING); 71 Files.copy(Paths.get(XML_DIR + "familytree.dtd"), 72 Paths.get(USER_DIR + File.separator + "familytree.dtd"), REPLACE_EXISTING); 73 74 try(FileInputStream instream = new FileInputStream(xmlFile); 75 MyEntityResolver eResolver = new MyEntityResolver(outputFile)) { 76 SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); 77 XMLReader xmlReader = saxParser.getXMLReader(); 78 xmlReader.setEntityResolver(eResolver); 79 InputSource is = new InputSource(instream); 80 xmlReader.parse(is); 81 } 82 assertTrue(compareWithGold(goldFile, outputFile)); 83 } 84 } 85 86 /** 87 * Simple entity resolver to write every entity to an output file. 88 */ 89 class MyEntityResolver extends XMLFilterImpl implements AutoCloseable { 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 MyEntityResolver(String outputFileName) throws SAXException { 101 super(); 102 try { 103 bWriter = new BufferedWriter(new FileWriter(outputFileName)); 104 } catch (IOException ex) { 105 throw new SAXException(ex); 106 } 107 } 108 109 /** 110 * Write In resolveEntity tag along with publicid and systemId when meet 111 * resolveEntity event. 112 * @throws IOException error happen when writing file. 113 */ 114 @Override 115 public InputSource resolveEntity(String publicid, String systemid) 116 throws SAXException, IOException { 117 String str = "In resolveEntity.." + " " + publicid + " " + getFileName(systemid); 118 bWriter.write( str, 0,str.length()); 119 bWriter.newLine(); 120 return super.resolveEntity(publicid, systemid); 121 } 122 123 /** 124 * Flush the content and close the file. 125 * @throws IOException error happen when writing file or closing file. 126 */ 127 @Override 128 public void close() throws IOException { 129 bWriter.flush(); 130 bWriter.close(); 131 } 132 133 private String getFileName(String systemid) { 134 try { 135 return Paths.get(new URI(systemid)).getFileName().toString(); 136 } catch (URISyntaxException e) { 137 throw new RuntimeException(e); 138 } 139 } 140 }