gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/util/Serializer.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.tinkerpop.gremlin.util;

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

/**
 * @author Marko A. Rodriguez (http://markorodriguez.com)
 */
public final class Serializer {

    private Serializer() {
    }

    public static byte[] serializeObject(final Object object) throws IOException {
        final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        final ObjectOutputStream out = new ObjectOutputStream(outputStream);
        out.writeObject(object);
        out.close();
        return outputStream.toByteArray();
    }

    public static Object deserializeObject(final byte[] objectBytes) throws IOException, ClassNotFoundException {
        final ByteArrayInputStream inputStream = new ByteArrayInputStream(objectBytes);
        final ObjectInputStream in = new ObjectInputStream(inputStream);
        final Object object = in.readObject();
        in.close();
        return object;
    }

    public static <V> V cloneObject(final V object) throws IOException, ClassNotFoundException {
        return (V) Serializer.deserializeObject(Serializer.serializeObject(object));
    }
}