This chapter introduces you to the action event handling capabilities of portlet applications. Action events occur when a user interacts with a portlet, usually by submitting a form. To receive these events, an action event listener must be implemented in the portlet class. In addition, the actionPerformed() method must be added to process the action event.
This chapter covers a scenario that will allow you to understand the techniques used to develop portlets that process action events.
In this chapter, you will find the following topics: