/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.mx.util;
import org.jboss.mx.server.ObjectInputStreamWithClassLoader;
import java.io.*;
/**
* SerializationHelper
*
* @author Jeff Haynie
*/
public class SerializationHelper
{
/**
* deserialize, using the current Thread Context classloader
*
* @param byteArray
* @return deserialized object
* @throws IOException
* @throws ClassNotFoundException
*/
public static Object deserialize(byte[] byteArray)
throws IOException, ClassNotFoundException
{
return deserialize(byteArray,Thread.currentThread().getContextClassLoader());
}
/**
* deserialize an object using a specific ClassLoader
*
* @param byteArray
* @param cl
* @return deserialized object
* @throws java.io.IOException
* @throws ClassNotFoundException
*/
public static Object deserialize(byte[] byteArray, ClassLoader cl)
throws IOException, ClassNotFoundException
{
if (byteArray == null)
{
return null;
}
if (byteArray.length == 0)
{
return null;
}
try
{
if (cl==null)
{
// use system loader
cl = SerializationHelper.class.getClassLoader();
}
ByteArrayInputStream bytearrayinputstream = new ByteArrayInputStream(byteArray);
ObjectInputStream objectinputstream = new ObjectInputStreamWithClassLoader(bytearrayinputstream,cl);
Object obj = objectinputstream.readObject();
return obj;
}
catch (OptionalDataException optionaldataexception)
{
throw new IOException(optionaldataexception.getMessage());
}
}
/**
* serialize an object
*
* @param obj
* @return serialized object
* @throws java.io.IOException
*/
public static byte[] serialize(Object obj)
throws IOException
{
ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream();
ObjectOutputStream objectoutputstream = new ObjectOutputStream(bytearrayoutputstream);
objectoutputstream.writeObject(obj);
return bytearrayoutputstream.toByteArray();
}
}