/*
* JBoss, a division of Red Hat
* Copyright 2011, 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.producer.handlers.processors;
import org.gatein.common.NotYetImplemented;
import org.gatein.common.util.ParameterValidation;
import org.gatein.pc.api.invocation.EventInvocation;
import org.gatein.pc.api.invocation.PortletInvocation;
import org.gatein.pc.api.invocation.response.PortletInvocationResponse;
import org.gatein.pc.api.invocation.response.UpdateNavigationalStateResponse;
import org.gatein.pc.api.state.AccessMode;
import org.gatein.wsrp.WSRPTypeFactory;
import org.gatein.wsrp.WSRPUtils;
import org.gatein.wsrp.payload.PayloadUtils;
import org.gatein.wsrp.spec.v2.WSRP2ExceptionFactory;
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.HandleEventsResponse;
import org.oasis.wsrp.v2.InvalidHandle;
import org.oasis.wsrp.v2.InvalidRegistration;
import org.oasis.wsrp.v2.MimeRequest;
import org.oasis.wsrp.v2.MissingParameters;
import org.oasis.wsrp.v2.ModifyRegistrationRequired;
import org.oasis.wsrp.v2.OperationFailed;
import org.oasis.wsrp.v2.OperationNotSupported;
import org.oasis.wsrp.v2.PortletContext;
import org.oasis.wsrp.v2.RegistrationContext;
import org.oasis.wsrp.v2.RuntimeContext;
import org.oasis.wsrp.v2.StateChange;
import org.oasis.wsrp.v2.UnsupportedLocale;
import org.oasis.wsrp.v2.UnsupportedMimeType;
import org.oasis.wsrp.v2.UnsupportedMode;
import org.oasis.wsrp.v2.UnsupportedWindowState;
import org.oasis.wsrp.v2.UpdateResponse;
import org.oasis.wsrp.v2.UserContext;
import java.util.List;
/**
* @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a>
* @version $Revision$
*/
class EventRequestProcessor extends UpdateNavigationalStateResponseProcessor<HandleEvents, HandleEventsResponse>
{
public EventRequestProcessor(ProducerHelper producer, HandleEvents handleEvents) throws OperationFailed, UnsupportedMode, InvalidHandle, MissingParameters, UnsupportedMimeType, UnsupportedWindowState, InvalidRegistration, OperationNotSupported, ModifyRegistrationRequired, UnsupportedLocale
{
super(producer, handleEvents);
}
@Override
protected void checkRequest(HandleEvents handleEvents) throws MissingParameters, OperationFailed, OperationNotSupported
{
EventParams eventParams = handleEvents.getEventParams();
WSRP2ExceptionFactory.throwMissingParametersIfValueIsMissing(eventParams, "event params", "HandleEvents");
WSRP2ExceptionFactory.throwMissingParametersIfValueIsMissing(eventParams.getPortletStateChange(), "portletStateChange", "EventParams");
List<Event> events = eventParams.getEvents();
if (!ParameterValidation.existsAndIsNotEmpty(events))
{
throw WSRP2ExceptionFactory.createWSException(MissingParameters.class,
"EventParams must provide at least one event to process", null);
}
if (events.size() > 1)
{
throw WSRP2ExceptionFactory.createWSException(OperationNotSupported.class, "GateIn currently doesn't support sending multiple events to process at once.", null);
}
}
@Override
public RegistrationContext getRegistrationContext()
{
return request.getRegistrationContext();
}
@Override
RuntimeContext getRuntimeContext()
{
return request.getRuntimeContext();
}
@Override
MimeRequest getParams()
{
return request.getMarkupParams();
}
@Override
public PortletContext getPortletContext()
{
return request.getPortletContext();
}
@Override
UserContext getUserContext()
{
return request.getUserContext();
}
@Override
AccessMode getAccessMode() throws MissingParameters
{
StateChange stateChange = request.getEventParams().getPortletStateChange();
return WSRPUtils.getAccessModeFromStateChange(stateChange);
}
@Override
PortletInvocation initInvocation(WSRPPortletInvocationContext context)
{
EventInvocation eventInvocation = new EventInvocation(context);
final EventParams eventParams = request.getEventParams();
List<Event> events = eventParams.getEvents();
if (events.size() > 1)
{
throw new NotYetImplemented("Need to support multiple events at once...");
}
// since we currently don't support sending multiple events to process at once, assume there's only one
Event event = events.get(0);
eventInvocation.setName(event.getName());
eventInvocation.setPayload(PayloadUtils.getPayloadAsSerializable(event));
// Extensions
processExtensionsFrom(eventParams.getClass(), eventParams.getExtensions());
return eventInvocation;
}
@Override
List<Extension> getResponseExtensionsFor(HandleEventsResponse handleEventsResponse)
{
return handleEventsResponse.getExtensions();
}
@Override
protected HandleEventsResponse internalProcessResponse(PortletInvocationResponse response)
{
if (response instanceof UpdateNavigationalStateResponse)
{
UpdateNavigationalStateResponse unsResponse = (UpdateNavigationalStateResponse)response;
HandleEventsResponse eventsResponse = WSRPTypeFactory.createHandleEventsReponse();
UpdateResponse updateResponse = createUpdateResponse(unsResponse);
eventsResponse.setUpdateResponse(updateResponse);
return eventsResponse;
}
else
{
throw new IllegalArgumentException("Cannot process response: " + response);
}
}
}