/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.server.session;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Serializer for session data
*/
public class JavaSessionDeserializer extends SessionDeserializer {
private static final Logger log
= Logger.getLogger(JavaSessionSerializer.class.getName());
private ObjectInputStream _in;
public JavaSessionDeserializer(InputStream is,
ClassLoader loader)
throws IOException
{
_in = new ContextObjectInputStream(is, loader);
}
public int readInt()
throws IOException
{
return _in.readInt();
}
public Object readObject()
throws IOException, ClassNotFoundException
{
return _in.readObject();
}
public void close()
{
ObjectInputStream in = _in;
_in = null;
if (in != null) {
try {
in.close();
} catch (IOException e) {
log.log(Level.FINEST, e.toString(), e);
}
}
}
static class ContextObjectInputStream extends ObjectInputStream {
private ClassLoader _loader;
ContextObjectInputStream(InputStream is, ClassLoader loader)
throws IOException
{
super(is);
_loader = loader;
}
@Override
protected Class resolveClass(ObjectStreamClass v)
throws IOException, ClassNotFoundException
{
String name = v.getName();
return Class.forName(name, false, _loader);
}
}
}