/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt 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.jms.server.destination;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import javax.jms.Message;
import org.jboss.logging.Logger;
import org.jboss.metatype.api.types.CollectionMetaType;
import org.jboss.metatype.api.types.CompositeMetaType;
import org.jboss.metatype.api.types.ImmutableCompositeMetaType;
import org.jboss.metatype.api.types.MetaType;
import org.jboss.metatype.api.types.SimpleMetaType;
import org.jboss.metatype.api.values.CollectionValueSupport;
import org.jboss.metatype.api.values.MapCompositeValueSupport;
import org.jboss.metatype.api.values.MetaValue;
import org.jboss.metatype.api.values.SimpleValueSupport;
import org.jboss.metatype.spi.values.MetaMapper;
/**
* Maps a List<JBossMessage> into a CollectMetaType of CompositeValues.
* @author Scott.Stark@jboss.org
* @version $Revision: 87013 $
*/
public class MessageListMapper extends MetaMapper<List<Message>>
{
private static final Logger log = Logger.getLogger(MessageListMapper.class);
public static final CollectionMetaType TYPE;
public static final CompositeMetaType MSG_TYPE;
static
{
String[] itemNames = {
"JMSMessageID",
"JMSTimestamp",
"JMSCorrelationID"
};
String[] itemDescriptions = {
"JMSMessageID",
"JMSTimestamp",
"JMSCorrelationID"
};
MetaType[] itemTypes = {
SimpleMetaType.STRING,
SimpleMetaType.LONG,
SimpleMetaType.STRING
};
MSG_TYPE = new ImmutableCompositeMetaType("javax.jms.Message", "JMS Message",
itemNames, itemDescriptions, itemTypes);
TYPE = new CollectionMetaType("java.util.List", MSG_TYPE);
}
@Override
public MetaValue createMetaValue(MetaType metaType, List<Message> object)
{
ArrayList<MetaValue> tmp = new ArrayList<MetaValue>();
if(object != null)
{
for(Message m : object)
{
try
{
MapCompositeValueSupport cvs = new MapCompositeValueSupport(MSG_TYPE);
cvs.put("JMSCorrelationID", SimpleValueSupport.wrap(m.getJMSCorrelationID()));
cvs.put("JMSTimestamp", SimpleValueSupport.wrap(m.getJMSTimestamp()));
cvs.put("JMSMessageID", SimpleValueSupport.wrap(m.getJMSMessageID()));
tmp.add(cvs);
}
catch(Exception e)
{
log.warn("Skipping msg: "+m, e);
}
}
}
MetaValue[] elements = new MetaValue[tmp.size()];
tmp.toArray(elements);
CollectionValueSupport msgs = new CollectionValueSupport(TYPE, elements);
return msgs;
}
@Override
public MetaType getMetaType()
{
return TYPE;
}
@Override
public Type mapToType()
{
return List.class;
}
/**
* This always returns null as Messages cannot be created from a meta value
*/
@Override
public List<Message> unwrapMetaValue(MetaValue metaValue)
{
// TODO Auto-generated method stub
return null;
}
}