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 24 /* @test 25 * @bug 8888888 26 * @compile FailureAtomicity.java Expose.java foo/foo/HomeAddress.java bar/bar/HomeAddress.java 27 * @run main failureAtomicity.FailureAtomicity 28 * @summary Best effort Failure Atomicity for default read object. 29 */ 30 package failureAtomicity; 31 32 import java.io.ByteArrayInputStream; 33 import java.io.ByteArrayOutputStream; 34 import java.io.ObjectInputStream; 35 import java.io.ObjectOutputStream; 36 37 public class FailureAtomicity { 38 public static void main(String[] args) throws Exception { 39 failureAtomicity.bar.bar.HomeAddress barHomeAddress = 40 new failureAtomicity.bar.bar.HomeAddress(5, "Dublin", "Dublin", 41 "Ireland", new byte[] { 0x01 }); 42 43 try { toFooHomeAddress(barHomeAddress); } 44 catch (ClassCastException e) { /* Expected */ } 45 46 failureAtomicity.foo.foo.HomeAddress fooHomeAddress = 47 (failureAtomicity.foo.foo.HomeAddress)Expose.obj; 48 49 System.out.println("fooHomeAddress: " + fooHomeAddress); 50 51 if (fooHomeAddress.houseNumber != 0 /*|| fooHomeAddress.city != null*/ 52 || fooHomeAddress.county != null || fooHomeAddress.country != null) 53 throw new RuntimeException("Some fields are being set"); 54 } 55 56 static failureAtomicity.foo.foo.HomeAddress 57 toFooHomeAddress(failureAtomicity.bar.bar.HomeAddress barHomeAddress) 58 throws Exception 59 { 60 byte[] bytes = serialize(barHomeAddress); 61 bytes = barToFoo(bytes); 62 return (failureAtomicity.foo.foo.HomeAddress)deserialize(bytes); 63 } 64 65 @SuppressWarnings("deprecation") 66 static byte[] barToFoo(byte[] bytes) { 67 String str = new String(bytes, 0); 68 str = str.replaceAll("bar.bar", "foo.foo"); 69 str.getBytes(0, bytes.length, bytes, 0); 70 return bytes; 71 } 72 73 static byte[] serialize(Object obj) throws Exception { 74 try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); 75 ObjectOutputStream out = new ObjectOutputStream(baos);) { 76 out.writeObject(obj); 77 return baos.toByteArray(); 78 } 79 } 80 81 static Object deserialize(byte[] data) throws Exception { 82 return new ObjectInputStream(new ByteArrayInputStream(data)) 83 .readObject(); 84 } 85 }