1 /* 2 * Copyright (c) 2014, 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 24 package transform.util; 25 26 import java.io.File; 27 import java.io.FileInputStream; 28 import java.io.FileOutputStream; 29 import java.io.InputStream; 30 31 import javax.xml.parsers.DocumentBuilder; 32 import javax.xml.parsers.SAXParser; 33 import javax.xml.parsers.SAXParserFactory; 34 import javax.xml.transform.Result; 35 import javax.xml.transform.Source; 36 import javax.xml.transform.stream.StreamResult; 37 import javax.xml.transform.stream.StreamSource; 38 39 import org.testng.Assert; 40 import org.w3c.dom.Document; 41 42 import transform.VersionDefaultHandler; 43 44 public class StreamUtil extends TransformerUtil { 45 46 DocumentBuilder docBuilder = null; 47 48 private static StreamUtil instance = null; 49 50 /** Creates a new instance of StreamUtil */ 51 private StreamUtil() throws Exception { 52 if (docBuilder == null) 53 docBuilder = getDomParser(); 54 } 55 56 public static synchronized StreamUtil getInstance() throws Exception { 57 if (instance == null) 58 instance = new StreamUtil(); 59 return instance; 60 } 61 62 public Source prepareSource(InputStream is) throws Exception { 63 return new StreamSource(is); 64 } 65 66 public Result prepareResult() throws Exception { 67 FileOutputStream fos = new FileOutputStream(TEMP_FILE); 68 return new StreamResult(fos); 69 } 70 71 public void checkResult(Result result, String inputVersion) throws Exception { 72 ((StreamResult) result).getOutputStream().close(); 73 FileInputStream fis = new FileInputStream(TEMP_FILE); 74 checkStream(fis, inputVersion); 75 } 76 77 public void checkStream(FileInputStream fis, String inputVersion) throws Exception { 78 docBuilder.reset(); 79 Document output = docBuilder.parse(fis); 80 String version = output.getXmlVersion(); 81 Assert.assertTrue(inputVersion.equals(version), "Expected XML Version is 1.1, but actual version " + version); 82 } 83 84 public void checkResult(Result result, String version, String encoding) throws Exception { 85 // use sax parser, as encoding info cannot be set on DOM document 86 SAXParser parser = SAXParserFactory.newInstance().newSAXParser(); 87 VersionDefaultHandler dh = new VersionDefaultHandler(); 88 parser.parse(new File(TEMP_FILE), dh); 89 Assert.assertTrue(dh.getVersion().equals(version), "Expected version is " + version + " actual version " + dh.getVersion()); 90 Assert.assertTrue(dh.getEncoding().equals(encoding), "Expected version is " + encoding + " actual version " + dh.getEncoding()); 91 } 92 }