Examples with Event javax.portlet.Event used on opensource projects

Example 6 with Event

use of javax.portlet.Event in project uPortal by Jasig.

the class PortletEventCoordinatationService method processEvents.

@Override
public void processEvents(PortletContainer container, PortletWindow plutoPortletWindow, HttpServletRequest request, HttpServletResponse response, List<Event> events) {
    final PortletEventQueue requestPortletEventQueue = this.getPortletEventQueue(request);
    this.logger.debug("Queued {} from {}", events, plutoPortletWindow);
    final IPortletWindow portletWindow = this.portletWindowRegistry.convertPortletWindow(request, plutoPortletWindow);
    final IPortletWindowId portletWindowId = portletWindow.getPortletWindowId();
    //Add list transformer to convert Event to QueuedEvent
    final List<QueuedEvent> queuedEvents = Lists.transform(events, new Function<Event, QueuedEvent>() {

        /* (non-Javadoc)
                             * @see com.google.common.base.Function#apply(java.lang.Object)
                             */
        @Override
        public QueuedEvent apply(Event event) {
            return new QueuedEvent(portletWindowId, event);
        }
    });
    requestPortletEventQueue.addEvents(queuedEvents);
}

Example 7 with Event

use of javax.portlet.Event in project uPortal by Jasig.

the class PortletEventCoordinatationService method resolvePortletEvents.

@Override
public void resolvePortletEvents(HttpServletRequest request, PortletEventQueue portletEventQueue) {
    final Queue<QueuedEvent> events = portletEventQueue.getUnresolvedEvents();
    //Skip all processing if there are no new events.
    if (events.isEmpty()) {
        return;
    }
    //Get all the portlets the user is subscribed to
    final IUserInstance userInstance = this.userInstanceManager.getUserInstance(request);
    final IUserPreferencesManager preferencesManager = userInstance.getPreferencesManager();
    final IUserLayoutManager userLayoutManager = preferencesManager.getUserLayoutManager();
    //Make a local copy so we can remove data from it
    final Set<String> allLayoutNodeIds = new LinkedHashSet<String>(userLayoutManager.getAllSubscribedChannels());
    final Map<String, IPortletEntity> portletEntityCache = new LinkedHashMap<String, IPortletEntity>();
    while (!events.isEmpty()) {
        final QueuedEvent queuedEvent = events.poll();
        if (queuedEvent == null) {
            //no more queued events, done resolving
            return;
        }
        final IPortletWindowId sourceWindowId = queuedEvent.getPortletWindowId();
        final Event event = queuedEvent.getEvent();
        final boolean globalEvent = isGlobalEvent(request, sourceWindowId, event);
        final Set<IPortletDefinition> portletDefinitions = new LinkedHashSet<IPortletDefinition>();
        if (globalEvent) {
            portletDefinitions.addAll(this.portletDefinitionRegistry.getAllPortletDefinitions());
        }
        //Check each subscription to see what events it is registered to see
        for (final Iterator<String> layoutNodeIdItr = allLayoutNodeIds.iterator(); layoutNodeIdItr.hasNext(); ) {
            final String layoutNodeId = layoutNodeIdItr.next();
            IPortletEntity portletEntity = portletEntityCache.get(layoutNodeId);
            if (portletEntity == null) {
                portletEntity = this.portletEntityRegistry.getOrCreatePortletEntity(request, userInstance, layoutNodeId);
                // if portlet entity registry returned null, then portlet has been deleted - remove it (see UP-3378)
                if (portletEntity == null) {
                    layoutNodeIdItr.remove();
                    continue;
                }
                final IPortletDefinitionId portletDefinitionId = portletEntity.getPortletDefinitionId();
                final PortletDefinition portletDescriptor = this.portletDefinitionRegistry.getParentPortletDescriptor(portletDefinitionId);
                if (portletDescriptor == null) {
                    //Missconfigured portlet, remove it from the list so we don't check again and ignore it
                    layoutNodeIdItr.remove();
                    continue;
                }
                final List<? extends EventDefinitionReference> supportedProcessingEvents = portletDescriptor.getSupportedProcessingEvents();
                //Skip portlets that don't handle any events and remove them from the set so they are not checked again
                if (supportedProcessingEvents == null || supportedProcessingEvents.size() == 0) {
                    layoutNodeIdItr.remove();
                    continue;
                }
                portletEntityCache.put(layoutNodeId, portletEntity);
            }
            final IPortletDefinition portletDefinition = portletEntity.getPortletDefinition();
            final IPortletDefinitionId portletDefinitionId = portletDefinition.getPortletDefinitionId();
            if (this.supportsEvent(event, portletDefinitionId)) {
                this.logger.debug("{} supports event {}", portletDefinition, event);
                //If this is the default portlet entity remove the definition from the all defs set to avoid duplicate processing
                final IPortletEntity defaultPortletEntity = this.portletEntityRegistry.getOrCreateDefaultPortletEntity(request, portletDefinitionId);
                if (defaultPortletEntity.equals(portletEntity)) {
                    portletDefinitions.remove(portletDefinition);
                }
                // Is this portlet permitted to receive events?  (Or is it disablePortletEvents=true?)
                IPortletDefinitionParameter disablePortletEvents = portletDefinition.getParameter(PortletExecutionManager.DISABLE_PORTLET_EVENTS_PARAMETER);
                if (disablePortletEvents != null && Boolean.parseBoolean(disablePortletEvents.getValue())) {
                    logger.info("Ignoring portlet events for portlet '{}' because they have been disabled.", portletDefinition.getFName());
                    continue;
                }
                final IPortletEntityId portletEntityId = portletEntity.getPortletEntityId();
                final Set<IPortletWindow> portletWindows = this.portletWindowRegistry.getAllPortletWindowsForEntity(request, portletEntityId);
                for (final IPortletWindow portletWindow : portletWindows) {
                    this.logger.debug("{} resolved target {}", event, portletWindow);
                    final IPortletWindowId portletWindowId = portletWindow.getPortletWindowId();
                    final Event unmarshalledEvent = this.unmarshall(portletWindow, event);
                    portletEventQueue.offerEvent(portletWindowId, new QueuedEvent(sourceWindowId, unmarshalledEvent));
                }
            } else {
                portletDefinitions.remove(portletDefinition);
            }
        }
        if (!portletDefinitions.isEmpty()) {
            final IPerson user = userInstance.getPerson();
            final EntityIdentifier ei = user.getEntityIdentifier();
            final IAuthorizationPrincipal ap = AuthorizationService.instance().newPrincipal(ei.getKey(), ei.getType());
            //If the event is global there might still be portlet definitions that need targeting
            for (final IPortletDefinition portletDefinition : portletDefinitions) {
                // Is this portlet permitted to receive events?  (Or is it disablePortletEvents=true?)
                IPortletDefinitionParameter disablePortletEvents = portletDefinition.getParameter(PortletExecutionManager.DISABLE_PORTLET_EVENTS_PARAMETER);
                if (disablePortletEvents != null && Boolean.parseBoolean(disablePortletEvents.getValue())) {
                    logger.info("Ignoring portlet events for portlet '{}' because they have been disabled.", portletDefinition.getFName());
                    continue;
                }
                final IPortletDefinitionId portletDefinitionId = portletDefinition.getPortletDefinitionId();
                //Check if the user can render the portlet definition before doing event tests
                if (ap.canRender(portletDefinitionId.getStringId())) {
                    if (this.supportsEvent(event, portletDefinitionId)) {
                        this.logger.debug("{} supports event {}", portletDefinition, event);
                        final IPortletEntity portletEntity = this.portletEntityRegistry.getOrCreateDefaultPortletEntity(request, portletDefinitionId);
                        final IPortletEntityId portletEntityId = portletEntity.getPortletEntityId();
                        final Set<IPortletWindow> portletWindows = this.portletWindowRegistry.getAllPortletWindowsForEntity(request, portletEntityId);
                        for (final IPortletWindow portletWindow : portletWindows) {
                            this.logger.debug("{} resolved target {}", event, portletWindow);
                            final IPortletWindowId portletWindowId = portletWindow.getPortletWindowId();
                            final Event unmarshalledEvent = this.unmarshall(portletWindow, event);
                            portletEventQueue.offerEvent(portletWindowId, new QueuedEvent(sourceWindowId, unmarshalledEvent));
                        }
                    }
                }
            }
        }
    }
}