/*
* Copyright (C) 2011 eXo Platform SAS.
*
* 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.exoplatform.connectors.jcr.impl.adapter;
import org.exoplatform.services.jcr.core.ExtendedSession;
import org.exoplatform.services.jcr.core.SessionLifecycleListener;
import org.exoplatform.services.jcr.impl.core.SessionImpl;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.io.PrintWriter;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.resource.NotSupportedException;
import javax.resource.ResourceException;
import javax.resource.spi.ConnectionEvent;
import javax.resource.spi.ConnectionEventListener;
import javax.resource.spi.ConnectionRequestInfo;
import javax.resource.spi.LocalTransaction;
import javax.resource.spi.ManagedConnection;
import javax.resource.spi.ManagedConnectionMetaData;
import javax.security.auth.Subject;
import javax.transaction.xa.XAResource;
/**
* The implementation of a {@link ManagedConnection} for eXo JCR.
*
* @author <a href="mailto:nfilotto@exoplatform.com">Nicolas Filotto</a>
* @version $Id$
*
*/
public class ManagedSessionImpl implements ManagedConnection
{
/**
* Logger
*/
private static final Log LOG = ExoLogger.getLogger("exo.jcr.component.core.ManagedSessionImpl");
/**
* The corresponding JCR session
*/
private final SessionImpl session;
/**
* The list of all the existing listeners
*/
private final List<ConnectionEventListener> listeners;
ManagedSessionImpl(SessionImpl session)
{
this.session = session;
this.listeners = new CopyOnWriteArrayList<ConnectionEventListener>();
session.registerLifecycleListener(new SessionLifecycleListener()
{
public void onCloseSession(ExtendedSession session)
{
onConnectionClosed();
}
});
}
/**
* @see javax.resource.spi.ManagedConnection#addConnectionEventListener(javax.resource.spi.ConnectionEventListener)
*/
public void addConnectionEventListener(ConnectionEventListener listener)
{
listeners.add(listener);
}
/**
* @see javax.resource.spi.ManagedConnection#associateConnection(java.lang.Object)
*/
public void associateConnection(Object connection) throws ResourceException
{
throw new NotSupportedException("The JCR sessions are not shareable");
}
/**
* @see javax.resource.spi.ManagedConnection#cleanup()
*/
public void cleanup() throws ResourceException
{
}
/**
* @see javax.resource.spi.ManagedConnection#destroy()
*/
public void destroy() throws ResourceException
{
session.logout();
}
/**
* @see javax.resource.spi.ManagedConnection#getConnection(javax.security.auth.Subject, javax.resource.spi.ConnectionRequestInfo)
*/
public Object getConnection(Subject subject, ConnectionRequestInfo cxRequestInfo) throws ResourceException
{
return session;
}
/**
* @see javax.resource.spi.ManagedConnection#getLocalTransaction()
*/
public LocalTransaction getLocalTransaction() throws ResourceException
{
throw new NotSupportedException("Local transactions are not supported");
}
/**
* @see javax.resource.spi.ManagedConnection#getLogWriter()
*/
public PrintWriter getLogWriter() throws ResourceException
{
return null;
}
/**
* @see javax.resource.spi.ManagedConnection#getMetaData()
*/
public ManagedConnectionMetaData getMetaData() throws ResourceException
{
return new ManagedConnectionMetaData()
{
public String getUserName() throws ResourceException
{
return session.getUserID();
}
public int getMaxConnections() throws ResourceException
{
return 0;
}
public String getEISProductVersion() throws ResourceException
{
return "1.14";
}
public String getEISProductName() throws ResourceException
{
return "eXo JCR";
}
};
}
/**
* @see javax.resource.spi.ManagedConnection#getXAResource()
*/
public XAResource getXAResource() throws ResourceException
{
return session.getXAResource();
}
/**
* @see javax.resource.spi.ManagedConnection#removeConnectionEventListener(javax.resource.spi.ConnectionEventListener)
*/
public void removeConnectionEventListener(ConnectionEventListener listener)
{
listeners.remove(listener);
}
/**
* @see javax.resource.spi.ManagedConnection#setLogWriter(java.io.PrintWriter)
*/
public void setLogWriter(PrintWriter out) throws ResourceException
{
}
/**
* Broadcasts the connection closed event
*/
private void onConnectionClosed()
{
ConnectionEvent evt = new ConnectionEvent(this, ConnectionEvent.CONNECTION_CLOSED);
for (ConnectionEventListener listener : listeners)
{
try
{
listener.connectionClosed(evt);
}
catch (Exception e1)
{
LOG.warn("An error occurs while notifying the listener " + listener, e1);
}
}
}
}