7.7. Broadcasting messages
In this section, we show how to send a broadcast message to all portlets on a page that have implemented the MessageListener interface. For example follow these steps:
Create a new portlet project:
Open the MessagePortlet.java file located in the /Java Resources/JavaSource/message/ folder and modify the messageReceived() method to receive the broadcast message. You only need to check for a message of type DefaultPortletMessage, which is the type of message sent by ActionEventPortlet. Once the ...