1cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath/* 2cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Licensed to the Apache Software Foundation (ASF) under one or more 3cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * contributor license agreements. See the NOTICE file distributed with 4cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * this work for additional information regarding copyright ownership. 5cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * The ASF licenses this file to You under the Apache License, Version 2.0 6cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * (the "License"); you may not use this file except in compliance with 7cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * the License. You may obtain a copy of the License at 8cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 9cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * http://www.apache.org/licenses/LICENSE-2.0 10cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 11cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Unless required by applicable law or agreed to in writing, software 12cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * distributed under the License is distributed on an "AS IS" BASIS, 13cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * See the License for the specific language governing permissions and 15cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * limitations under the License. 16cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 17cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 18cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathpackage tests.util; 19cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 20cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.ByteArrayInputStream; 21cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.ByteArrayOutputStream; 22cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.File; 23cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.FileOutputStream; 24cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.IOException; 25cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.InputStream; 26cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.ObjectInputStream; 27cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.ObjectOutputStream; 28cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.io.OutputStream; 29cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathimport java.net.URL; 30cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 31cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath/** 32cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * This class simplifies the serialization test. 33cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 34cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamathpublic class SerializationTester { 35cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath private SerializationTester() { 36cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 37cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 38cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 39cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 40cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Serialize an object and then deserialize it. 41cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 42cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param inputObject the input object 43cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @return the deserialized object 44cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 45cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public static Object getDeserilizedObject(Object inputObject) 46cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath throws IOException, ClassNotFoundException { 47cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ByteArrayOutputStream bos = new ByteArrayOutputStream(); 48cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ObjectOutputStream oos = new ObjectOutputStream(bos); 49cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath oos.writeObject(inputObject); 50cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath oos.close(); 51cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 52cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray()); 53cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ObjectInputStream ois = new ObjectInputStream(bis); 54cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath Object outputObject = ois.readObject(); 55cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ois.close(); 56cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return outputObject; 57cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 58cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 59cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 60cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Tests the serialization and deserialization of const objects. 61cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 62cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param inputObject A const object 63cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @return true if the deserialized object is the same as the input object, 64cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * otherwise false 65cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @throws Exception If any occurs. 66cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 67cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public static boolean assertSame(Object inputObject) throws Exception { 68cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return inputObject == getDeserilizedObject(inputObject); 69cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 70cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 71cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 72cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Tests the serialization and deserialization of instance objects. 73cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 74cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param inputObject An object 75cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @return true if the deserialized object is equal to the input object, 76cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * otherwise false 77cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @throws Exception If any occurs. 78cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 79cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public static boolean assertEquals(Object inputObject) throws Exception { 80cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return inputObject.equals(getDeserilizedObject(inputObject)); 81cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 82cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 83cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 84cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Tests the serialization compatibility with reference const objects. 85cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 86cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param obj the object to be checked 87cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param fileName the serialization output file generated by reference 88cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @return true if compatible, otherwise false 89cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @throws Exception If any occurs. 90cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 91cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public static boolean assertCompabilitySame(Object obj, String fileName) 92cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath throws Exception { 93cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return obj == readObject(obj, fileName); 94cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 95cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 96cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 97cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Tests the serialization compatibility with reference for instance 98cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * objects. 99cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 100cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param obj the object to be checked 101cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param fileName the serialization output file generated by reference 102cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @return true if compatible, otherwise false 103cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @throws Exception If any occurs. 104cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 105cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public static boolean assertCompabilityEquals(Object obj, String fileName) 106cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath throws Exception { 107cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return obj.equals(readObject(obj, fileName)); 108cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 109cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 110cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /** 111cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Deserialize an object from a file. 112cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 113cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param obj the object to be serialized if no serialization file is found 114cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param fileName the serialization file 115cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @return the deserialized object 116cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @throws Exception If any occurs. 117cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 118cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public static Object readObject(Object obj, String fileName) 119cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath throws Exception { 120cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath InputStream input = null; 121cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ObjectInputStream oinput = null; 1229aab36ec35b4591cb9ba9ae0e4586cb642c39587Narayan Kamath URL url = SerializationTester.class.getClassLoader().getResource(fileName); 123cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath if (null == url) { 124cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // serialization file does not exist, create one in the current dir 125cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath writeObject(obj, new File(fileName).getName()); 126cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath throw new Error( 127cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath "Serialization file does not exist, created in the current dir."); 128cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 129cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath input = url.openStream(); 130cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 131cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath oinput = new ObjectInputStream(input); 132cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath Object newObj = oinput.readObject(); 133cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath return newObj; 134cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } finally { 135cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 136cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath if (null != oinput) { 137cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath oinput.close(); 138cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 139cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } catch (Exception e) { 140cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // ignore 141cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 142cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 143cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath if (null != input) { 144cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath input.close(); 145cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 146cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } catch (Exception e) { 147cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // ignore 148cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 149cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 150cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 151cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath 152cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath /* 153cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * Creates a serialization output. 154cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * 155cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @param obj the object to be serialized @param fileName the output file 156cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath * @throws Exception If any occurs. 157cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath */ 158cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath public static void writeObject(Object obj, String fileName) 159cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath throws Exception { 160cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // String path = SerializationTester.class.getResource(".").getPath(); 161cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // if (path.endsWith(".")) { 162cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // path = path.substring(0, path.length() - 1); 163cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // } 164cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // if (!path.endsWith("/")) { 165cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // path += "/"; 166cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // } 167cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // path += fileName; 168cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // System.out.println(path); 169cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath OutputStream output = null; 170cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ObjectOutputStream ooutput = null; 171cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 172cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath output = new FileOutputStream(fileName); 173cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ooutput = new ObjectOutputStream(output); 174cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ooutput.writeObject(obj); 175cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } finally { 176cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 177cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath if (null != ooutput) { 178cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath ooutput.close(); 179cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 180cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } catch (Exception e) { 181cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // ignore 182cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 183cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath try { 184cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath if (null != output) { 185cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath output.close(); 186cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 187cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } catch (Exception e) { 188cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath // ignore 189cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 190cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 191cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath } 192cb318c6f4fe5b0e20099fa85f1b95ccb2d24119fNarayan Kamath} 193