/**
* Retrieve and return the <code>ActionForm</code> associated with this mapping, creating and
* retaining one if necessary. If there is no <code>ActionForm</code> associated with this
* mapping, return <code>null</code>.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param mapping The mapping we are using
* @return The <code>ActionForm</code> associated with this mapping.
*/
protected ActionForm processActionForm(
HttpServletRequest request, HttpServletResponse response, ActionMapping mapping) {
// Create (if necessary) a form bean to use
ActionForm instance = RequestUtils.createActionForm(request, mapping, moduleConfig, servlet);
if (instance == null) {
return (null);
}
// Store the new instance in the appropriate scope
if (log.isDebugEnabled()) {
log.debug(
" Storing ActionForm bean instance in scope '"
+ mapping.getScope()
+ "' under attribute key '"
+ mapping.getAttribute()
+ "'");
}
if ("request".equals(mapping.getScope())) {
request.setAttribute(mapping.getAttribute(), instance);
} else {
HttpSession session = request.getSession();
session.setAttribute(mapping.getAttribute(), instance);
}
return (instance);
}
