What if your user then hits the Submit button without populating any of the
form fields?
----- Original Message -----
From: "Sid Stuart" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Tuesday, February 05, 2002 2:06 PM
Subject: Re: Design question about ActionForm's validate method
> Hi,
>
> My friend, Lee Crawford, just pointed out to me that the fields of the
> ActionForm will be null if the validate method is called before the form
is
> submitted, but will be non-null afterwards. This provides a quick and
simple
> test that works for JSP called pages and for Action called pages,
>
>
> public ActionErrors validate (ActionMapping mapping,
> HttpServletRequest request) {
> // See if the form has been submitted, if not do not
> validate.
> if (logon == null || password == null ) return null;
> // Validate the data
> final ActionErrors errors = new ActionErrors ();
> if (logon.length() < 1) {
> errors.add ("logon", new ActionError
> ("error.logon.logonRequired"));
> }
> if (password.length() < 1) {
> errors.add("password", new ActionError
> ("error.logon.passwordRequired"));
> }
> return errors;
> }
>
>
> Sid
>
>
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