Re: How can I add ActionErrors when do the interceptor's intercept() method?

[Nuwan Chandrasoma]

Hi,

hope this code will help you.
    Object action = invocation.getAction ();
    if (action instanceof com.opensymphony.xwork2.ValidationAware) {
     ((com.opensymphony.xwork2.ValidationAware) action).addActionError 
("Username or password incorrect.");
    }

Thanks,

Nuwan.

----- Original Message ----- 
From: "M.Liang Liu" <[EMAIL PROTECTED]>
To: <user@struts.apache.org>
Sent: Tuesday, July 17, 2007 9:49 AM
Subject: How can I add ActionErrors when do the interceptor's intercept() 
method?



Hi,all
I've got a problem when I put my own interceptors in my app:
I write an interceptor to authenticate whether the user access the current
page or action has logged in.
I write the code in the following style(refer to the mailreader example):
--------------------------------------------------------------------
......
public String intercept(ActionInvocation actionInvocation) throws 
Exception
{
Map session = actionInvocation.getInvocationContext().getSession();
User user = (User) session.get(Constants.USER_KEY);
boolean isAuthenticated = (null != user);
if (isAuthenticated) {
return actionInvocation.invoke();
} else {
                       //how to add actionErrors here?
return Action.LOGIN;
}
.....

--------------------------------------------------------------------
The question is that :how can I addActionErrors to the interceptor,so that
when the invalid action---namelly not logged in---was redirected to the
login page,some actionErrors messages like "You are not logged in" can
display.

I notice that I can put cite addActionErrors("You are not logged in"); in 
my
action class,however,I do NOT have any hint how to add action errors in my
interceptor.
Just or can't?

Any comment would be appreciated.
--
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