Vaadin IPC with Liferay add-on

vaadin-ipc-liferay.java

public class DevicesPortlet extends Application implements PortletListener{

LiferayIPC liferayIPC = new LiferayIPC();

    @Override
    public void init() {
        Window mainWindow = new Window("Device Portlet");
        
        setMainWindow(mainWindow);
        
        /*
         * Set listener
         */
        if (getContext() instanceof PortletApplicationContext2) {
            ((PortletApplicationContext2) getContext()).addPortletListener(this, this);
        } else {
            System.out.println("Portlet error");
        }
        
    }

@Override
    public void handleRenderRequest(RenderRequest request,
            RenderResponse response, Window window) {

if(!window.getComponentIterator().hasNext())
        {
                        VerticalLayout deviceTableContainer = new VerticalLayout();
            deviceTableContainer.addComponent(createDeviceTable());
            liferayIPC.setImmediate(false);
            liferayIPC.setWidth("-1px");
            liferayIPC.setHeight("-1px");
            liferayIPC.addListener("newPerson", new LiferayIPCEventListener() {
                public void eventReceived(LiferayIPCEvent event)
                {
                    log.info("IPC event received!");
                }
            });
            deviceTableContainer.addComponent(liferayIPC);
            window.addComponent(deviceTableContainer);
}
        }
    }

private Table createDeviceTable(String portletEmail, String portletSession)
    {
        Table deviceTable = new Table();
/* ... code to populate Table ... */
        ValueChangeListener projectDeviceTableListener = new Table.ValueChangeListener() {
            public void valueChange(ValueChangeEvent event) {
                //fire IPC event for other portlets to update
                
                liferayIPC.sendEvent("newPerson", "fname;lname;15");                
            }
        };
        
        deviceTable.addListener(projectDeviceTableListener);
        
        return deviceTable;
    }
}