org.eclipse.persistence.sessions.serializers.JavaSerializer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of eclipselink Show documentation

EclipseLink build based upon Git transaction 346465e

There is a newer version: 5.0.0-B05

/*******************************************************************************
 * Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the 
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *      Oracle - initial impl
 ******************************************************************************/
package org.eclipse.persistence.sessions.serializers;

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

import org.eclipse.persistence.internal.helper.CustomObjectInputStream;
import org.eclipse.persistence.sessions.Session;

/**
 * Plain old Java serialization.
 * @author James Sutherland
 */
public class JavaSerializer extends AbstractSerializer {
	public static final JavaSerializer instance = new JavaSerializer();
    public Object serialize(Object object, Session session) {
        ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
        try {
            ObjectOutputStream objectOut = new ObjectOutputStream(byteOut);
            objectOut.writeObject(object);
            objectOut.flush();
        } catch (IOException exception) {
            throw new RuntimeException(exception);
        }
        return byteOut.toByteArray();        
    }
    
    public Class getType() {
        return byte[].class;
    }
    
    public Object deserialize(Object bytes, Session session) {
        ByteArrayInputStream byteIn = new ByteArrayInputStream((byte[])bytes);
        try {
            ObjectInputStream objectIn = null;
            if (session == null) {
                objectIn = new ObjectInputStream(byteIn);
            } else {
                objectIn = new CustomObjectInputStream(byteIn, session);
            }
            return objectIn.readObject();
        } catch (Exception exception) {
            throw new RuntimeException(exception);
        }        
    }
    
    public String toString() {
        return getClass().getSimpleName();
    }
}