The Life Cycle of a JavaServer Faces Page
The Life Cycle of a JavaServer Faces Page
is invoked when the expression is evaluated, which is during the process validation phase of the
life cycle.
bean properties, value expressions can also reference lists, maps, arrays, implicit objects, and
resource bundles.
A page author does this by referencing the property from the binding attribute:
UICommand
custom component properties to accept expressions by creating ValueExpression or
MethodExpression
makes an HTTP request for the page, and the server responds with the page translated to
HTML. However, the JavaServer Faces life cycle differs from the JSP life cycle in that it is split up
into multiple phases in order to support the sophisticated UI component model. This model
requires that component data be converted and validated, component events be handled, and
component data be propagated to beans in an orderly fashion.
components, called a view. During the life cycle, the JavaServer Faces implementation must
build the view while considering state saved from a previous submission of the page. When the
client submits a page, the JavaServer Faces implementation performs several tasks, such as
validating the data input of components in the view and converting input data to types specified
on the server side.