Spring MVC: Controllers

There’s actually a deep hierarchy of Controllers, from the Controller interface to the AbstractWizardFormController. In most cases, implementing the Controller interface for non-form pages and extending SimpleFormController for form pages will do the job.

Declaring an implementation of Controller in the context (remember, the web-specific context is a child of the main applicationContext, so you have access to service-layer beans as well):

<bean id="userController" name="/users.html"
    <property name="partyService" ref="partyService"/>

Declaring an extension of SimpleFormController in the context:

<bean id="userFormController" name="/editUser.html"
    <property name="commandName" value="user"/>
    <property name="formView" value="findUserByName"/>
    <property name="successView" value="redirect:users.html"/>
    <property name="validator" ref="userValidator"/>
    <property name="partyService" ref="partyService"/>
SimpleFormController property function
formView view automatically returned on validation error
successView view automatically returned without validation error (note redirect: prefix makes it a redirect, not a forward)
validator validator to be used on form
commandName command object in model
(partyService) (service layer bean used in this example)

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