/*
* 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.system.server.profileservice.persistence;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import org.jboss.logging.Logger;
import org.jboss.system.server.profileservice.repository.AbstractFileAttachmentsSerializer;
/**
* A basic JAXB attachment Serializer.
*
* @author <a href="mailto:emuckenh@redhat.com">Emanuel Muckenhuber</a>
* @version $Revision: 104372 $
*/
public class JAXBAttachmentSerializer extends AbstractFileAttachmentsSerializer
{
/** The logger. */
private static final Logger log = Logger.getLogger(JAXBAttachmentSerializer.class);
/** The attachment suffix. */
private static final String ATTACHMENT_SUFFIX = ".attachment.xml";
public JAXBAttachmentSerializer(File dir)
{
super(dir);
}
@SuppressWarnings("unchecked")
protected <T> T loadAttachment(File attachmentsStore, Class<T> expected) throws Exception
{
if(log.isTraceEnabled())
log.trace("loadAttachment, attachmentsStore=" + attachmentsStore);
JAXBContext ctx = JAXBContext.newInstance(expected);
Unmarshaller unmarshaller = ctx.createUnmarshaller();
InputStream is = new FileInputStream(attachmentsStore);
try
{
return (T) unmarshaller.unmarshal(is);
}
finally
{
is.close();
}
}
protected void saveAttachment(File attachmentsStore, Object attachment) throws Exception
{
if(log.isTraceEnabled())
log.trace("saveAttachment, attachmentsStore="+attachmentsStore+ ", attachment="+attachment);
JAXBContext ctx = JAXBContext.newInstance(attachment.getClass());
Marshaller marshaller = ctx.createMarshaller();
marshaller.setProperty("jaxb.formatted.output", Boolean.TRUE);
OutputStream os = new FileOutputStream(attachmentsStore);
try
{
marshaller.marshal(attachment, os);
}
finally
{
os.close();
}
}
@Override
protected File getAttachmentPath(String baseName)
{
final String vfsPath = baseName + ATTACHMENT_SUFFIX;
return new File(getAttachmentsStoreDir(), vfsPath);
}
}