1 /*
   2  * Copyright (c) 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 jdk.test.lib.util;
  25 
  26 import java.io.ByteArrayInputStream;
  27 import java.io.ByteArrayOutputStream;
  28 import java.io.IOException;
  29 import java.io.ObjectInputStream;
  30 import java.io.ObjectOutputStream;
  31 
  32 /**
  33  * Common library for various test serialization utility functions.
  34  */
  35 public final class SerializationUtils {
  36     /**
  37      * Serialize an object into byte array.
  38      */
  39     public static byte[] serialize(Object obj) throws IOException {
  40         ByteArrayOutputStream bs = new ByteArrayOutputStream();
  41         try (ObjectOutputStream out = new ObjectOutputStream(bs)) {
  42             out.writeObject(obj);
  43         }
  44         return bs.toByteArray();
  45     }
  46 
  47     /**
  48      * Deserialize an object from byte array.
  49      */
  50     public static Object deserialize(byte[] ba) throws IOException, ClassNotFoundException {
  51         try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(ba))) {
  52             return in.readObject();
  53         }
  54     }
  55     private SerializationUtils() {}
  56 }