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*
* 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
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*
* This software is distributed in the hope that it will be useful,
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* 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
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package org.jboss.soa.esb.listeners.config.mappers120;
import java.util.List;
import org.jboss.soa.esb.ConfigurationException;
import org.jboss.soa.esb.addressing.eprs.HibernateEpr;
import org.jboss.soa.esb.dom.YADOMUtil;
import org.jboss.soa.esb.listeners.ListenerTagNames;
import org.jboss.soa.esb.listeners.config.xbeanmodel120.HibernateBusDocument.HibernateBus;
import org.jboss.soa.esb.listeners.config.xbeanmodel120.HibernateListenerDocument.HibernateListener;
import org.jboss.soa.esb.listeners.config.xbeanmodel120.HibernateMessageFilterDocument.HibernateMessageFilter;
import org.jboss.soa.esb.listeners.config.xbeanmodel120.HibernateProviderDocument.HibernateProvider;
import org.jboss.soa.esb.listeners.gateway.HibernateGatewayListener;
import org.w3c.dom.Element;
/**
* Performs the mapping of a <fs-listener> XSD based configuration to the "ConfigTree"
* style configuration, adding the "ConfigTree" listener config to the "root" node.
*
* @author <a href="mailto:tcunning@redhat.com">tcunning@redhat.com</a>
*/
public class HibernateListenerMapper {
/**
* Perform the mapping.
* @param root The "ConfigTree" configuration root node.
* @param listener The Jmslistener to be mapped into the ConfigTree.
* @param model The configuration model from which the mapping is being performed.
* @return The ConfigTree listener configuration node.
* @throws org.jboss.soa.esb.ConfigurationException Invalid listener configuration.
*/
public static Element map(Element root, HibernateListener listener, XMLBeansModel model) throws ConfigurationException {
Element listenerNode = YADOMUtil.addElement(root, "listener");
HibernateBus bus;
HibernateProvider provider;
listenerNode.setAttribute("name", listener.getName());
try {
bus = (HibernateBus) model.getBus(listener.getBusidref());
} catch (ClassCastException e) {
throw new ConfigurationException("Invalid busid reference [" + listener.getBusidref() + "] on listener [" + listener.getName() + "]. A <hibernate-listener> must reference a <hibernate-bus>.");
}
try {
provider = (HibernateProvider) model.getProvider(bus);
} catch (ClassCastException e) {
throw new ConfigurationException("Invalid bus config [" + listener.getBusidref() + "]. Should be contained within a <hibernate-provider> instance. Unexpected exception - this should have caused a validation error!");
}
List<HibernateMessageFilter> messageFilters = null;
messageFilters = listener.getHibernateMessageFilterList();
if(messageFilters.size() == 0) {
messageFilters = bus.getHibernateMessageFilterList();
if(messageFilters == null) {
throw new ConfigurationException("No <hibernate-message-filter> defined on either <hibernate-listener> [" + listener.getName() + "] or <hibernate-bus> [" + bus.getBusid() + "].");
}
}
// Map the standard listener attributes - common across all listener types...
MapperUtil.mapDefaultAttributes(listener, listenerNode, model);
// Map the <property> elements targeted at the listener - from the listener itself.
MapperUtil.mapProperties(listener.getPropertyList(), listenerNode);
if(listener.getIsGateway()) {
listenerNode.setAttribute("gatewayClass", HibernateGatewayListener.class.getName());
// Map EPR related attributes onto the listener - from the bus and provider and listener.
// Note: This will change - the Gateways will also support the EPR element...
mapHibernateEprProperties(listenerNode, provider, messageFilters);
MapperUtil.mapEPRProperties(listener, listenerNode, model);
} else {
Element eprNode = YADOMUtil.addElement(listenerNode, ListenerTagNames.EPR_TAG);
// Map EPR related attributes onto the EPR - from the bus and provider and listener...
mapHibernateEprProperties(eprNode, provider, messageFilters);
MapperUtil.mapEPRProperties(listener, eprNode, model);
// Remove any empty attributes set on the EPR config...
YADOMUtil.removeEmptyAttributes(eprNode);
}
// Remove any empty attributes set on the listener config...
YADOMUtil.removeEmptyAttributes(listenerNode);
return listenerNode;
}
/**
* mapHibernateEprProperties creates a ConfigTree with the details we need
* from the HibernateProvider and MessageFilters.
* @param toElement the element we are passing on
* @param provider the provider object
* @param messageFilters collection of MessageFilters we need to implement
*/
private static void mapHibernateEprProperties(Element toElement, HibernateProvider provider, List<HibernateMessageFilter> messageFilters) {
toElement.setAttribute(HibernateEpr.HIBERNATE_CFG_TAG, provider.getHibernateCfgFile());
for (HibernateMessageFilter messageFilter: messageFilters) {
Element temp = YADOMUtil.addElement(toElement, "messagefilter");
temp.setAttribute(HibernateEpr.CLASS_NAME_TAG, messageFilter.getClassname());
temp.setAttribute(HibernateEpr.EVENT_TAG, messageFilter.getEvent());
toElement.appendChild(temp);
}
}
}