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Invoking an Action

 The second phase of the component action request-response loop involves invokeActionForRequest:inContext:. WebObjects forwards this method from object to object until it is handled by the dynamic element associated with the user action (typically, a submit button, a hyperlink, and active image, or a form).

You rarely need to override invokeActionForRequest:inContext:. One reason you might do so is if you want to return a page other than the one requested. This scenario might occur if the user requests a page that has a dependency on another page that the user must fill out first. The user might, for example, finish ordering items from a catalog application and want to go to a fulfillment page but first have to supply credit card information.

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