Check out our free ebooks to learn the essentials of web design, everything you need to know about being a freelance web designer, and more!. Pro Spring MVC provides in-depth coverage of Spring MVC and Spring Web Flow, two highly customizable and powerful web frameworks brought to you by the. Editorial Reviews. About the Author. Sven Lüppken. Sven Lüppken has a degree in computer Kindle Store; ›; Kindle eBooks; ›; Computers & Technology.
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Pro Spring MVC provides in-depth coverage of Spring MVC and Spring Web Flow, two highly customizable and powerful web frameworks brought to ebooks can be used on all reading devices; Immediate eBook download after download. Spring Web Flow works well for rich and flexible user interaction, additionally it helps you to describe the flow of websites in complex processes. The internal Portlet integration introduced in Spring Web Flow has been upgraded for JSF compatibility. Some of the more advanced JSF features, .
May optionally execute one or more actions in the course of the transition.
And, although no transitions are declared here, there may be some global transitions in play allowing the flow to transition away from this state. Explicitly specifying the view The convention of assuming a view name that is the same as the view state's ID is convenient. The on attribute specifies the name of an event that should trigger the transition.
Leaving off the on attribute causes a transition to take place regardless of what event occurs.
Firing events from the view Events can be fired from the view in one of three ways. Action States Whereas view states offer the users of the application to be involved in the flow, action states are where the application itself goes to work. Transitioning on action evaluation Ultimately, the value returned from the evaluation becomes the event ID that triggers a transition.
You can specify multiple evaluations within an action state. Be aware, however, that Spring Web Flow will evaluate each evaluation in order and stop when a transition trigger is fired. If the result of the first evaluation is an event that is handled by one of the transitions including global transitions , then the remaining evaluations will never be evaluated. Decision States Decision states represent a binary branch in the flow based on the result of evaluating a boolean expression.
Optionally may specify a state to transition to if the expression evaluates to false. It evaluates a boolean expression and then transitions to another state depending on whether or not the expression is true or false.
End States All flows must eventually come to an end. That's what the end state is for.
Useful for passing state out of a subflow to the invoking flow. Spring Framework Fundamentals. Web Application Architecture.
Spring MVC Architecture. Implementing Controllers.
Implementing Controllers — Advanced. Resolving and Implementing Views.
Spring Web Flow. Building Applications with Spring Web Flow.
Advanced Spring Web Flow. Spring Security. Back Matter Pages Bibliographic information DOI https: download options.