/* * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @bug 4180735 * @summary Make sure that fields that are defaulted can be of primitive and * object type. * */ import java.io.*; class TestClass implements Serializable { public static final Integer DEFAULT_OBJECT_I = new Integer(99); public static final Foo DEFAULT_OBJECT_F = new Foo(); private static final long serialVersionUID=5748652654655279289L; // Fields to be serialized. private final static ObjectStreamField[] serialPersistentFields = { new ObjectStreamField("objectI", Integer.class), new ObjectStreamField("primitiveI", Integer.TYPE), new ObjectStreamField("foo", Foo.class) }; Integer objectI; int primitiveI; Foo foo; public TestClass(Foo f, Integer I, int i) { foo = f; objectI = I; primitiveI = i; } /** * Verify GetField.defaulted("fieldName") works for primitive and * object fields. */ private void readObject(ObjectInputStream in) throws ClassNotFoundException, IOException { ObjectInputStream.GetField pfields = in.readFields(); primitiveI = pfields.get("primitiveI", 99); System.out.println("The primitiveI : " + primitiveI); objectI = (Integer)pfields.get("objectI", DEFAULT_OBJECT_I); System.out.println("The ObjectI : " + objectI); foo = (Foo)pfields.get("foo", DEFAULT_OBJECT_F); System.out.println("The foo : " + foo); try { boolean b = pfields.defaulted("primitiveI"); System.out.println("Defaulted prim : " + b); if (b == false) { throw new Error("Bad return value for defaulted() with " + "primitive type fields"); } b = pfields.defaulted("objectI"); System.out.println("Defaulted ObjectI : " + b); if (b == true) { throw new Error("Bad return value for defaulted() with " + "object type fields"); } b = pfields.defaulted("foo"); System.out.println("Defaulted Foo : " + b); if (b == false) { throw new Error("Bad return value for defaulted() with " + "object type fields"); } } catch (IllegalArgumentException e) { System.out.println("Exception " + e.getMessage() + ": handled calling " + "GetField.defaulted(\"fieldName referring to an object\")"); throw e; } } }; public class GetFieldRead { public static void main(String[] args) throws ClassNotFoundException, IOException { FileInputStream fis = new FileInputStream("data.ser"); ObjectInputStream in = new ObjectInputStream(fis); TestClass obj = (TestClass) in.readObject(); in.close(); } };