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From "Eric Lentz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (WW-4071) ValidationAware add callable method, called from DefaultWorkflowInterceptor
Date Mon, 20 May 2013 15:23:17 GMT
Eric Lentz created WW-4071:
------------------------------

             Summary: ValidationAware add callable method, called from DefaultWorkflowInterceptor
                 Key: WW-4071
                 URL: https://issues.apache.org/jira/browse/WW-4071
             Project: Struts 2
          Issue Type: New Feature
          Components: Core Interceptors
    Affects Versions: 2.3.14
            Reporter: Eric Lentz
            Priority: Minor


When a form error occurs, the action is unaware of this event. There are situations whereby
one should know that a form error has occurred. For example, one may wish to populate the
ActionStack with special handling variables or set a flag denoting special logic that the
JSP should handle. In short, it isn't unreasonable for one to want to know that a form error
occurred and be able to respond to it with more than just a single JSP result attached to
"input."

My suggestion would be within ValidationAware, add a method:
void actionError()


Within DefaultWorkflowInterceptor.doIntercept, there is already an if condition of:
if (validationAwareAction.hasErrors()) {

at the end of processing that if block, just before, "return resultName;" call validationAwareAction.actionError();

By the way, this line:
LOG.debug("Errors on action " + validationAwareAction + ", returning result name 'input'");

should be:
LOG.debug("Errors on action " + validationAwareAction + ", returning result name '" + inputResultName
+ "'");



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