/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2001 - 2009 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.util.serializers;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.pentaho.reporting.engine.classic.core.layout.BandLayoutManager;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import org.pentaho.reporting.libraries.serializer.SerializeMethod;
/**
* A SerializeMethod implementation that handles BandLayoutManagers.
*
* @author Thomas Morgner
* @see org.pentaho.reporting.engine.classic.core.layout.BandLayoutManager
*/
public class BandLayoutManagerSerializer implements SerializeMethod
{
/**
* Default Constructor.
*/
public BandLayoutManagerSerializer()
{
}
/**
* Writes a serializable object description to the given object output stream. As bandlayoutmanagers need to be
* instantiable by their default constructor, it is sufficient to write the class of the layout manager.
*
* @param o the to be serialized object.
* @param out the outputstream that should receive the object.
* @throws IOException if an I/O error occured.
*/
public void writeObject(final Object o, final ObjectOutputStream out)
throws IOException
{
out.writeObject(o.getClass().getName());
}
/**
* Reads the object from the object input stream. This will read a serialized class name of the BandLayoutManager. The
* specified class is then instantiated using its default constructor.
*
* @param in the object input stream from where to read the serialized data.
* @return the generated object.
* @throws IOException if reading the stream failed.
* @throws ClassNotFoundException if serialized object class cannot be found.
*/
public Object readObject(final ObjectInputStream in)
throws IOException, ClassNotFoundException
{
final String cn = (String) in.readObject();
try
{
return ObjectUtilities.loadAndInstantiate(cn, BandLayoutManagerSerializer.class, BandLayoutManager.class);
}
catch (Exception e)
{
throw new NotSerializableException(cn);
}
}
/**
* The class of the object, which this object can serialize.
*
* @return the class <code>org.pentaho.reporting.engine.classic.core.layout.BandLayoutManager</code>.
*/
public Class getObjectClass()
{
return BandLayoutManager.class;
}
}