How to Implement Bidirectional Interaction of Jetspeed Portlets Using Events

Jetspeed is an open portal platform implemented in Java code released under the Apache License and XML. Within a Jetspeed portal, you can aggregate individual portlets to create a page, yet each portlet is an independent application; Jetspeed acts as the central hub, making information from multiple sources available. The Java Portlet Specification 2.0 (JSR 286) provides standard mechanisms for portlet-to-portlet communication, including public parameters and events. Here’s how to implement bidirectional interaction between Jetspeed portlets through events.