/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and others contributors as indicated
* by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* (C) 2005-2006,
* @author JBoss Inc.
*/
package org.jboss.soa.esb.actions.routing;
import javax.jms.JMSException;
import javax.naming.NamingException;
import org.jboss.soa.esb.ConfigurationException;
import org.jboss.soa.esb.listeners.message.MessageDeliverException;
import org.jboss.soa.esb.actions.AbstractActionPipelineProcessor;
import org.jboss.soa.esb.actions.ActionProcessingException;
import org.jboss.soa.esb.actions.ActionUtils;
import org.jboss.soa.esb.helpers.ConfigTree;
import org.jboss.soa.esb.message.Message;
import org.jboss.soa.esb.message.MessagePayloadProxy;
import org.jboss.soa.esb.message.body.content.BytesBody;
/**
* Abstract router.
* <p/>
* Handles unwrapping of the message payload (if required) before routing. To turn on
* unwrapping, supply an "unwrap" property with a value of "true" (default "false").
*
* @author <a href="mailto:tom.fennelly@jboss.com">tom.fennelly@jboss.com</a>
*/
public abstract class AbstractRouter extends AbstractActionPipelineProcessor {
/**
* Unwrap the message payload before routing.
*/
public boolean unwrap = false;
protected MessagePayloadProxy payloadProxy;
/**
* Public constructor.
* @param config Action config.
* @throws ConfigurationException Queue name not configured.
* @throws JMSException Unable to configure JMS destination.
* @throws NamingException Unable to configure JMS destination.
*/
public AbstractRouter(ConfigTree config) throws ConfigurationException {
unwrap = config.getAttribute("unwrap", "false").equals("true");
payloadProxy = new MessagePayloadProxy(config,
new String[] {BytesBody.BYTES_LOCATION, ActionUtils.POST_ACTION_DATA},
new String[] {ActionUtils.POST_ACTION_DATA});
}
/* (non-Javadoc)
* @see org.jboss.soa.esb.actions.ActionProcessor#process(java.lang.Object)
*/
public Message process(Message message) throws ActionProcessingException {
if(unwrap) {
Object content;
try {
content = payloadProxy.getPayload(message);
} catch (MessageDeliverException e) {
throw new ActionProcessingException(e);
}
route(content);
} else {
route(message);
}
return null;
}
public MessagePayloadProxy getPayloadProxy() {
return payloadProxy;
}
/**
* Route the message or message payload.
* <p/>
* If the message is to be unwrapped, it will have been unwrapped at this stage.
* @param object The object to route.
* @throws ActionProcessingException Exception during routing operation.
*/
public abstract void route(Object object) throws ActionProcessingException;
}