/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.aspect.impl;
import org.apache.avalon.framework.activity.Disposable;
import org.apache.avalon.framework.activity.Initializable;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.avalon.framework.thread.ThreadSafe;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.cocoon.environment.Request;
import org.apache.cocoon.portal.PortalService;
import org.apache.cocoon.portal.event.Event;
import org.apache.cocoon.portal.event.EventManager;
import org.apache.cocoon.portal.event.Receiver;
import org.apache.cocoon.portal.event.aspect.EventAspect;
import org.apache.cocoon.portal.event.aspect.EventAspectContext;
import org.apache.cocoon.portal.event.impl.FullScreenCopletEvent;
import org.apache.cocoon.portal.layout.Layout;
import org.apache.cocoon.portal.layout.impl.CopletLayout;
import java.util.List;
/**
*
* @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
* @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a>
*
* @version CVS $Id: FullScreenCopletEventAspect.java 433543 2006-08-22 06:22:54Z crossley $
*/
public class FullScreenCopletEventAspect
extends AbstractLogEnabled
implements EventAspect,
ThreadSafe,
Serviceable,
Disposable,
Receiver,
Initializable {
protected ServiceManager manager;
/* (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.aspect.EventAspect#process(org.apache.cocoon.portal.event.aspect.EventAspectContext, org.apache.cocoon.portal.PortalService)
*/
public void process(EventAspectContext context, PortalService service) {
final String requestParameterName = FullScreenCopletEvent.REQUEST_PARAMETER_NAME;
final Request request = ObjectModelHelper.getRequest( context.getObjectModel() );
String[] values = request.getParameterValues( requestParameterName );
if ( values != null ) {
final EventManager publisher = service.getComponentManager().getEventManager();
for(int i=0; i<values.length; i++) {
final String current = values[i];
Event e = context.getEventConverter().decode(current);
if ( null != e ) {
publisher.send(e);
FullScreenCopletEvent fsce = (FullScreenCopletEvent)e;
if ( fsce.getLayout() != null) {
service.getComponentManager().getLinkService().addEventToLink( e );
}
}
}
} else {
List list = (List) request.getAttribute("org.apache.cocoon.portal." + requestParameterName);
if (list != null) {
FullScreenCopletEvent[] events =
(FullScreenCopletEvent[]) list.toArray(new FullScreenCopletEvent[0]);
final EventManager publisher = service.getComponentManager().getEventManager();
for (int i = 0; i < events.length; i++) {
FullScreenCopletEvent e = events[i];
publisher.send(e);
if (e.getLayout() != null) {
service.getComponentManager().getLinkService().addEventToLink(e);
}
}
}
}
// and invoke next one
context.invokeNext( service );
}
/**
* @see Receiver
*/
public void inform(FullScreenCopletEvent event, PortalService service) {
final Layout startingLayout = event.getLayout();
PortalService portalService = null;
try {
portalService = (PortalService) this.manager.lookup(PortalService.ROLE);
final Layout old = portalService.getEntryLayout(null);
if ( old != null && old instanceof CopletLayout) {
((CopletLayout)old).getCopletInstanceData().setAspectData("fullScreen", Boolean.FALSE);
}
portalService.setEntryLayout( null, startingLayout );
if ( startingLayout != null && startingLayout instanceof CopletLayout) {
((CopletLayout)startingLayout).getCopletInstanceData().setAspectData("fullScreen", Boolean.TRUE);
}
} catch (ServiceException ce) {
// ignore
} finally {
this.manager.release(portalService);
}
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.activity.Initializable#initialize()
*/
public void initialize()
throws Exception {
EventManager eventManager = null;
try {
eventManager = (EventManager) this.manager.lookup( EventManager.ROLE );
eventManager.subscribe( this );
} finally {
this.manager.release( eventManager );
}
}
/**
* @see org.apache.avalon.framework.activity.Disposable#dispose()
*/
public void dispose() {
if ( this.manager != null ) {
EventManager eventManager = null;
try {
eventManager = (EventManager) this.manager.lookup( EventManager.ROLE );
eventManager.unsubscribe( this );
} catch (Exception ignore) {
// ignore this here
} finally {
this.manager.release( eventManager );
}
}
}
}