/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.remoting.serialization.impl.jboss;
import org.jboss.logging.Logger;
import org.jboss.serial.objectmetamodel.DataContainer;
import org.jboss.serial.objectmetamodel.safecloning.SafeCloningRepository;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* Does lazy serialization based on JBossSerialization.
* I'm using JbossSerialization internal's API here, because DataContainer is a repository of final variables,
* and in case we are only using this MarshalledValue to cross ClassLoader isolations, we don't need to convert
* the repository to a byteArray.
* <p/>
* $Id: LocalMarshalledValue.java 3618 2008-03-13 04:56:54Z ron.sigal@jboss.com $
*
* @author <a href="mailto:tclebert.suconic@jboss.com">Clebert Suconic</a>
*/
public class LocalMarshalledValue extends org.jboss.remoting.serialization.RemotingMarshalledValue implements Externalizable
{
protected static final Logger log = Logger.getLogger(JBossSerializationManager.class);
DataContainer container;
private static final long serialVersionUID = 6996297171147626666L;
public LocalMarshalledValue()
{
}
public LocalMarshalledValue(Object obj) throws IOException
{
container = new DataContainer(false);
ObjectOutput output = container.getOutput();
output.writeObject(obj);
output.flush();
container.flush();
}
public LocalMarshalledValue(Object obj, SafeCloningRepository safeToReuse) throws IOException
{
container = new DataContainer(null, null, safeToReuse, false);
ObjectOutput output = container.getOutput();
output.writeObject(obj);
output.flush();
container.flush();
}
/**
* The object has to be unserialized only when the first get is executed.
*/
public Object get() throws IOException, ClassNotFoundException
{
try
{
container.getCache().setLoader(Thread.currentThread().getContextClassLoader());
return container.getInput().readObject();
}
catch(RuntimeException e)
{
log.debug(e, e);
throw e;
}
}
public void writeExternal(ObjectOutput out) throws IOException
{
log.warn("LocalmarshalledValue writeExternal is deprecated. This version is best used on call-by-value operations");
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
BufferedOutputStream buffOut = new BufferedOutputStream(byteOut);
DataOutputStream dataOut = new DataOutputStream(buffOut);
container.saveData(dataOut);
dataOut.flush();
byte[] arrayBytes = byteOut.toByteArray();
out.writeInt(arrayBytes.length);
out.write(arrayBytes);
out.flush();
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
log.warn("LocalmarshalledValue readExternal is deprecated. This version is best used on call-by-value operations");
byte[] bytes = new byte[in.readInt()];
in.readFully(bytes);
ByteArrayInputStream byteInput = new ByteArrayInputStream(bytes);
DataInputStream input = new DataInputStream(byteInput);
container = new DataContainer(false);
container.loadData(input);
}
}