test/lib/jdk/test/lib/util/SerializationUtils.java

/*
 * Copyright (c) 2015, 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.
 */

package jdk.test.lib.util;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

/**
 * Common library for various test serialization utility functions.
 */
public final class SerializationUtils {
    /**
     * Serialize an object into byte array.
     */
    public static byte[] serialize(Object obj) throws IOException {
        ByteArrayOutputStream bs = new ByteArrayOutputStream();
        try (ObjectOutputStream out = new ObjectOutputStream(bs)) {
            out.writeObject(obj);
        }
        return bs.toByteArray();
    }

    /**
     * Deserialize an object from byte array.
     */
    public static Object deserialize(byte[] ba) throws IOException, ClassNotFoundException {
        try (ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(ba))) {
            return in.readObject();
        }
    }
    private SerializationUtils() {}
}