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.SAXParser; 30 import javax.xml.parsers.SAXParserFactory; 31 import jaxp.library.JAXPFileBaseTest; 32 import static jaxp.library.JAXPTestUtilities.USER_DIR; 33 import static jaxp.library.JAXPTestUtilities.compareWithGold; 34 import static org.testng.Assert.assertTrue; 35 import org.xml.sax.InputSource; 36 import org.xml.sax.SAXException; 37 import org.xml.sax.XMLReader; 38 import org.xml.sax.helpers.XMLFilterImpl; 39 import static org.xml.sax.ptests.SAXTestConst.GOLDEN_DIR; 40 import static org.xml.sax.ptests.SAXTestConst.XML_DIR; 41 42 /** 43 * Entity resolver should be invoked in XML parse. This test verifies parsing 44 * process by checking the output with golden file. 45 */ 46 public class ResolverTest extends JAXPFileBaseTest { 47 /** 48 * Unit test for entityResolver setter. 49 * 50 * @throws Exception If any errors occur. 51 */ 52 public void testResolver() throws Exception { 53 String outputFile = USER_DIR + "EntityResolver.out"; 54 String goldFile = GOLDEN_DIR + "EntityResolverGF.out"; 55 String xmlFile = XML_DIR + "publish.xml"; 56 57 try(FileInputStream instream = new FileInputStream(xmlFile); 58 MyEntityResolver eResolver = new MyEntityResolver(outputFile)) { 59 SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser(); 60 XMLReader xmlReader = saxParser.getXMLReader(); 61 xmlReader.setEntityResolver(eResolver); 62 InputSource is = new InputSource(instream); 63 xmlReader.parse(is); 64 } 65 assertTrue(compareWithGold(goldFile, outputFile)); 66 } 67 } 68 69 /** 70 * Simple entity resolver to write every entity to an output file. 71 */ 72 class MyEntityResolver extends XMLFilterImpl implements AutoCloseable { 73 /** 74 * FileWriter to write string to output file. 75 */ 76 private final BufferedWriter bWriter; 77 78 /** 79 * Initiate FileWriter when construct a MyContentHandler. 80 * @param outputFileName output file name. 81 * @throws SAXException creation of FileWriter failed. 82 */ 83 MyEntityResolver(String outputFileName) throws SAXException { 84 super(); 85 try { 86 bWriter = new BufferedWriter(new FileWriter(outputFileName)); 87 } catch (IOException ex) { 88 throw new SAXException(ex); 89 } 90 } 91 92 /** 93 * Write In resolveEntity tag along with publicid and systemId when meet 94 * resolveEntity event. 95 * @throws IOException error happen when writing file. 96 */ 97 @Override 98 public InputSource resolveEntity(String publicid, String systemid) 99 throws SAXException, IOException { 100 String str = "In resolveEntity.." + " " + publicid + " " + systemid; 101 bWriter.write( str, 0,str.length()); 102 bWriter.newLine(); 103 return super.resolveEntity(publicid, systemid); 104 } 105 106 /** 107 * Flush the content and close the file. 108 * @throws IOException error happen when writing file or closing file. 109 */ 110 @Override 111 public void close() throws IOException { 112 bWriter.flush(); 113 bWriter.close(); 114 } 115 }