/*
* This file is part of FFMQ.
*
* FFMQ 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 of the License, or
* (at your option) any later version.
*
* FFMQ 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 FFMQ; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.timewalker.ffmq3.local.session;
import javax.jms.Destination;
import javax.jms.InvalidDestinationException;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import net.timewalker.ffmq3.FFMQConstants;
import net.timewalker.ffmq3.FFMQException;
import net.timewalker.ffmq3.common.destination.TemporaryDestination;
import net.timewalker.ffmq3.common.message.AbstractMessage;
import net.timewalker.ffmq3.common.message.MessageTools;
import net.timewalker.ffmq3.common.session.AbstractMessageProducer;
import net.timewalker.ffmq3.local.connection.LocalConnection;
import net.timewalker.ffmq3.security.Action;
import net.timewalker.ffmq3.security.Resource;
import net.timewalker.ffmq3.utils.id.IntegerID;
/**
* <p>Implementation of a local JMS {@link MessageProducer}</p>
*/
public class LocalMessageProducer extends AbstractMessageProducer
{
/**
* Constructor
*/
public LocalMessageProducer(LocalSession session,Destination destination,IntegerID producerId) throws JMSException
{
super(session,destination,producerId);
this.session = session;
// Security : if destination is set at creation time we can check permissions early
if (destination != null)
checkDestinationPermission(destination);
}
private final void checkDestinationPermission( Destination destination ) throws JMSException
{
if (!(destination instanceof TemporaryDestination))
{
boolean adminRequest = false;
if (destination instanceof Queue)
{
String queueName = ((Queue)destination).getQueueName();
if (queueName.equals(FFMQConstants.ADM_REQUEST_QUEUE))
{
LocalConnection conn = (LocalConnection)session.getConnection();
conn.checkPermission(Resource.SERVER, Action.REMOTE_ADMIN);
adminRequest = true;
}
else
if (queueName.equals(FFMQConstants.ADM_REPLY_QUEUE))
{
// Only the internal admin thread can produce on this queue
LocalConnection conn = (LocalConnection)session.getConnection();
if (conn.getSecurityContext() != null)
throw new FFMQException("Access denied to administration queue "+queueName,"ACCESS_DENIED");
adminRequest = true;
}
}
// For all other destinations
if (!adminRequest)
((LocalConnection)session.getConnection()).checkPermission(destination,Action.PRODUCE);
}
}
/* (non-Javadoc)
* @see net.timewalker.ffmq3.common.session.AbstractMessageProducer#sendToDestination(javax.jms.Destination, boolean, javax.jms.Message, int, int, long)
*/
protected final void sendToDestination(Destination destination, boolean destinationOverride, Message srcMessage, int deliveryMode, int priority, long timeToLive) throws JMSException
{
// Check that the destination was specified
if (destination == null)
throw new InvalidDestinationException("Destination not specified"); // [JMS SPEC]
// Create an internal copy if necessary
AbstractMessage message = MessageTools.makeInternalCopy(srcMessage);
synchronized (externalAccessLock)
{
checkNotClosed();
// Dispatch to session
((LocalSession)session).dispatch(message);
}
}
}