This should help you http://struts.apache.org/2.0.11.1/docs/how-do-we-repopulate-controls-when-validation-fails.html FAQ:How do we repopulate controls when validation fails . You can use the Preparable interface to load the data from the database. Validation does not (by default config) run on result of "input".
Brian Hawkins-3 wrote: > > I've run into a situation that I would like to get others opinions on. > > The problem is with handling a form. Here is the scenario: I have a form > called form.jsp, this form needs data from the database so it has an > associated FormAction.java class. The struts.xml file looks like this: > > <action name="myForm" class="FormAction"> > <result>/form.jsp</result> > </action> > > The form then posts the data to another action called postForm and the > struts.xml looks like this: > > <action name="postForm" class="PostFormAction"> > <result>...</result> > </action> > > Now for the issues. The first issue is field validation. I can't just > add > an input result that points to /form.jsp because the form needs the data > out > of FormAction. If I redirect to myForm I loose the field validation and > the > same goes for chaining (I know I can hack out the errors from the stack > but > that is ugly). Using the session to save error info on is also ugly. > > My preference is to use just one action class and have two methods. I > would > use execute() to get the data to view the form and postData() for posting > the data. This way if postData found a field errors it could call execute > and then return an input status. This solution still has problems in > terms > of interceptor validators. The validator needs to check for required > fields > only when the postData() method is called and not when execute is called > and > if there is an error when calling postData() it needs to call execute > before > returning an input status. I would like to make a validator that is smart > enough to know when to validate fields and when not to based on the method > being called but I cannot find a way to get what method on the action is > being called. > > Is there a best practices on how to handle form data in an elegant manner? > Is there a way to know what method is being called? > So many questions and so few answers :( > > thanks > Brian > > -- View this message in context: http://www.nabble.com/Handling-form-data-tp16968494p16982984.html Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
