/*
* Copyright 1999-2002,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.portal.event.subscriber.impl;
import java.util.Iterator;
import java.util.List;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.cocoon.portal.PortalService;
import org.apache.cocoon.portal.coplet.CopletData;
import org.apache.cocoon.portal.coplet.CopletInstanceData;
import org.apache.cocoon.portal.event.CopletDataEvent;
import org.apache.cocoon.portal.event.Event;
import org.apache.cocoon.portal.event.EventManager;
import org.apache.cocoon.portal.event.Filter;
import org.apache.cocoon.portal.event.Publisher;
import org.apache.cocoon.portal.event.Subscriber;
import org.apache.cocoon.portal.event.impl.ChangeCopletsJXPathEvent;
import org.apache.cocoon.portal.event.impl.CopletJXPathEvent;
import org.apache.cocoon.portal.profile.ProfileManager;
/**
*
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
*
* @version CVS $Id: DefaulCopletDataEventSubscriber.java 30932 2004-07-29 17:35:38Z vgritsenko $
*/
public final class DefaulCopletDataEventSubscriber
implements Subscriber, Serviceable {
/** The service manager */
protected ServiceManager manager;
/**
* Constructor
*/
public DefaulCopletDataEventSubscriber() {
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
*/
public void service(ServiceManager manager) throws ServiceException {
this.manager = manager;
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.event.Subscriber#getEventType()
*/
public Class getEventType() {
return CopletDataEvent.class;
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.event.Subscriber#getFilter()
*/
public Filter getFilter() {
return null;
}
/* (non-Javadoc)
* @see org.apache.cocoon.portal.event.Subscriber#inform(org.apache.cocoon.portal.event.Event)
*/
public void inform(Event e) {
CopletData data = (CopletData) ((CopletDataEvent)e).getTarget();
PortalService service = null;
List instances = null;
try {
service = (PortalService) this.manager.lookup(PortalService.ROLE);
ProfileManager profileManager = service.getComponentManager().getProfileManager();
instances = profileManager.getCopletInstanceData(data);
} catch (Exception ignore) {
} finally {
this.manager.release(service);
}
if ( instances != null ) {
Publisher publisher = null;
EventManager eventManager = null;
try {
eventManager = (EventManager) this.manager.lookup(EventManager.ROLE);
publisher = eventManager.getPublisher();
} catch (Exception ignore) {
} finally {
this.manager.release(eventManager);
}
if ( publisher != null ) {
if ( e instanceof ChangeCopletsJXPathEvent ) {
final String path = ((ChangeCopletsJXPathEvent)e).getPath();
final Object value = ((ChangeCopletsJXPathEvent)e).getValue();
Iterator i = instances.iterator();
while ( i.hasNext() ) {
CopletInstanceData current = (CopletInstanceData) i.next();
Event event = new CopletJXPathEvent(current, path, value);
publisher.publish(event);
}
}
}
}
}
}