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From "Paul Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (WW-4071) ValidationAware add callable method, called from DefaultWorkflowInterceptor
Date Wed, 22 May 2013 17:41:29 GMT

    [ https://issues.apache.org/jira/browse/WW-4071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13664315#comment-13664315
] 

Paul Benedict commented on WW-4071:
-----------------------------------

Nods. Yes, that's exactly the signature I was hoping for!
                
> 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
>            Assignee: Lukasz Lenart
>            Priority: Minor
>             Fix For: 2.3.15
>
>
> 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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