/*
* JBoss, a division of Red Hat
* Copyright 2010, Red Hat Middleware, LLC, and individual
* contributors as indicated 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.gatein.wsrp.consumer.handlers;
import org.gatein.common.util.ParameterValidation;
import org.gatein.pc.api.PortletInvokerException;
import org.gatein.pc.api.invocation.EventInvocation;
import org.gatein.pc.api.invocation.response.ErrorResponse;
import org.gatein.pc.api.invocation.response.PortletInvocationResponse;
import org.gatein.pc.api.spi.InstanceContext;
import org.gatein.pc.api.state.AccessMode;
import org.gatein.wsrp.WSRPTypeFactory;
import org.gatein.wsrp.WSRPUtils;
import org.gatein.wsrp.consumer.WSRPConsumerImpl;
import org.oasis.wsrp.v2.Event;
import org.oasis.wsrp.v2.EventParams;
import org.oasis.wsrp.v2.Extension;
import org.oasis.wsrp.v2.HandleEvents;
import org.oasis.wsrp.v2.HandleEventsFailed;
import org.oasis.wsrp.v2.HandleEventsResponse;
import org.oasis.wsrp.v2.PortletContext;
import org.oasis.wsrp.v2.RuntimeContext;
import org.oasis.wsrp.v2.UpdateResponse;
import javax.xml.namespace.QName;
import javax.xml.ws.Holder;
import java.io.Serializable;
import java.util.Collections;
import java.util.List;
/**
* @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a>
* @version $Revision$
*/
public class EventHandler extends NavigationalStateUpdatingHandler<EventInvocation, HandleEvents, HandleEventsResponse>
{
public EventHandler(WSRPConsumerImpl consumer)
{
super(consumer);
}
/*@Override
protected void updateUserContext(HandleEvents request, UserContext userContext)
{
request.setUserContext(userContext);
}
@Override
protected void updateRegistrationContext(HandleEvents request) throws PortletInvokerException
{
request.setRegistrationContext(consumer.getRegistrationContext());
}*/
@Override
protected RuntimeContext getRuntimeContextFrom(HandleEvents request)
{
return request.getRuntimeContext();
}
@Override
protected HandleEventsResponse performRequest(HandleEvents request) throws Exception
{
if (InvocationHandler.debug)
{
InvocationHandler.log.debug("handleEvents on '" + request.getPortletContext().getPortletHandle() + "'");
}
Holder<List<HandleEventsFailed>> failedEvents = new Holder<List<HandleEventsFailed>>();
Holder<UpdateResponse> updateResponse = new Holder<UpdateResponse>();
consumer.getMarkupService().handleEvents(request.getRegistrationContext(), request.getPortletContext(),
request.getRuntimeContext(), request.getUserContext(), request.getMarkupParams(),
request.getEventParams(), updateResponse, failedEvents,
new Holder<List<Extension>>());
HandleEventsResponse response = WSRPTypeFactory.createHandleEventsReponse();
response.setUpdateResponse(updateResponse.value);
if (ParameterValidation.existsAndIsNotEmpty(failedEvents.value))
{
response.getFailedEvents().addAll(failedEvents.value);
}
return response;
}
@Override
protected HandleEvents prepareRequest(RequestPrecursor<EventInvocation> requestPrecursor, EventInvocation invocation)
{
PortletContext portletContext = requestPrecursor.getPortletContext();
if (InvocationHandler.debug)
{
InvocationHandler.log.debug("Consumer about to attempt action on portlet '" + portletContext.getPortletHandle() + "'");
}
// access mode
InstanceContext instanceContext = invocation.getInstanceContext();
ParameterValidation.throwIllegalArgExceptionIfNull(instanceContext, "instance context");
AccessMode accessMode = instanceContext.getAccessMode();
ParameterValidation.throwIllegalArgExceptionIfNull(accessMode, "access mode");
if (InvocationHandler.debug)
{
InvocationHandler.log.debug("Portlet is requesting " + accessMode + " access mode");
}
// events
QName name = invocation.getName();
Serializable payload = invocation.getPayload();
Event event = WSRPTypeFactory.createEvent(name, payload);
EventParams eventParams = WSRPTypeFactory.createEventParams(Collections.singletonList(event), WSRPUtils.getStateChangeFromAccessMode(accessMode));
return WSRPTypeFactory.createHandleEvents(requestPrecursor.getRegistrationContext(), portletContext,
requestPrecursor.getRuntimeContext(), requestPrecursor.getUserContext(), requestPrecursor.getMarkupParams(), eventParams);
}
@Override
protected PortletInvocationResponse processResponse(HandleEventsResponse response, EventInvocation invocation, RequestPrecursor<EventInvocation> requestPrecursor) throws PortletInvokerException
{
List<HandleEventsFailed> failed = response.getFailedEvents();
if (ParameterValidation.existsAndIsNotEmpty(failed))
{
return new ErrorResponse("Couldn't process events: " + failed);
}
return processUpdateResponse(invocation, requestPrecursor, response.getUpdateResponse());
}
}