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From: "Yansheng Lin" <yansheng.lin@isogis.com>
To: "'Struts Users Mailing List'" <struts-user@jakarta.apache.org>
Subject: RE: Validation question
Date: Mon, 28 Jul 2003 13:58:50 -0600
Keywords: Struts Maillist
Message-ID: <00ae01c35542$a9f42c60$7202a8c0@stbedm.silvacom.com>
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Importance: Normal

Try

errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("errors.userNotFound",
"userName");

-----Original Message-----
From: Bailey, Shane C. [mailto:SHANE.C.BAILEY@saic.com] 
Sent: July 28, 2003 1:37 PM
To: struts-user@jakarta.apache.org
Subject: Validation question


I have been using the validator plug-in so long now that I can't remember
how this simple thing works:

 
In an action I determine that the user (as described in a request parameter)
is not in the DB so I want to return an error message to the user

with the username they entered incorrectly.  Here is a code snipet:

 
Action code:

 
    public ActionForward execute(ActionMapping mapping,

                                 ActionForm form,

                                 HttpServletRequest request,

                                 HttpServletResponse response)

        throws Exception {

 
                        String nameOfUserToUpd =
request.getParameter("username");

                        
                        DynaActionForm editUserForm = (DynaActionForm)form;

 
                        UpdateUserSession updSession = new
UpdateUserSession(nameOfUserToUpd);

                        User user = updSession.getUser();

 
                        if(user==null)

                        {

                                    //Add error

                                    errors.add("userName", new
ActionError("errors.userNotFound"));

                                    saveErrors(request, errors);

                                    
                                    //Set the form variable because the
username came in from a "GET" not a "POST".

                                    editUserForm.set("userName",
nameOfUserToUpd);

 
                                    return
(mapping.findForward("userNotFound"));

                        } 

 
                        ...

}

 
properties file:

errors.userNotFound='{0}' was not found.

 
On the page mapped to "userNotFound" it displays as:    '{0}' was not found

 
I thought by having the first parameter to errors.add() with the same name
as an attribute on the form bean it would automatically fill in '{0}' ????

This is way past validation and has nothing to do with what is in
validation.xml so I can't specify arg0 value.

 
How do I accomplish what I am trying to do?


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