The Java EE 7 Tutorial
11 Using Converters, Listeners, and Validators
The previous chapter described components and explained how to add them to a web page. This chapter provides information on adding more functionality to the components through converters, listeners, and validators.
Converters are used to convert data that is received from the input components.
Listeners are used to listen to the events happening in the page and perform actions as defined.
Validators are used to validate the data that is received from the input components.
The following topics are addressed here: