Spring web flow SWF

Flow:

   

   

   
   ...
   

   

   <-- your state definitions go here -->

   
   ...
   

   
   ...
   

   

   

   
   ...
   

States:

Action (Application logic):

Action class extend org.springframework.webflow.Action

Bean action

View (User interaction)

Action form bean definition:

Decision (What to do)

Subflow (Flow in flow)

Transitions:
Defines a transition between states.

Events:
When a state completes it fires an event, that tells the flow which transition to activate.

Exception handling:
Custom exception handler. Extend org.springframework.webflow.engine.FlowExecutionExceptionHandler

on-exception