--- Bill Siggelkow <[EMAIL PROTECTED]> wrote: > If you are doing a wizard why are you forwarding to another Action > instead of to the "next" JSP?
actually this is a very good question. i don't know why i am forwarding to another action instead of the JSP. :p i will change my forward path value to JSP instead of to ".do" and see if this helps, thanks! woodchuck > > Woodchuck wrote: > > > --- Jim Barrows <[EMAIL PROTECTED]> wrote: > > > > > >> > >>>-----Original Message----- > >>>From: Woodchuck [mailto:[EMAIL PROTECTED] > >>>Sent: Thursday, September 02, 2004 10:02 AM > >>>To: struts > >>>Subject: struts servlet chaining and immutable request? > >>> > >>> > >>>hihi, > >>> > >>>in my Action object, i am doing servlet chaining by forwarding to > >>>another ".do" instead of forwarding to a ".jsp". so if i chain > >> > >>five > >> > >>>different Actions, they will execute like: Action1 -> Action2 -> > >>>Action3... Action5 > >>> > >>>however, when doing this, the original request object is > maintained > >>>throughout the chaining such that Action5 doesn't know (or care) > >>>whether the request was made directly or indirectly. > >>> > >>>my problem is that during the chaining, each Action looks at the > >> > >>same > >> > >>>parameter in it's execute method to decide to do something. but > >>>because the request is immutable the next Action sees the same > >>>parameter value and does the same thing. > >>> > >>>how can i change the value of the request parameter after it's > been > >>>'used' by one Action, so the next Action sees an updated paramter > >>>value? > >> > >>Ummmm..... this sounds bizaare enough to make me question the > >>engineering behind this. Seems like it would be better to put the > >>code your trying to execute into a business logic layer, or > otherwise > >>outside the action class to begin with. However, I'll assume you > >>have no choice... > >> > >>However, in answer to your qustion... have the action class check a > >>session attribute first, then check the request parameter. > > > > > > i'm implementing a "wizard". it contains multiple different > screens > > (jsps), so i decided to make an abstract Action class to handle the > > "Next", "Back" buttons on each jsp. > > > > are there better strategies to handle "wizard" scenarios in struts? > > > > so in my abstract Action class i'm looking at the button paramter, > if > > it's "Next" i will call an abstract Save method that the super > class > > implements. then i will forward to the next Action screen (same > > abstract class).. but the request parameter button still says > "Next" so > > it keeps going next forever... :/ > > > > > > > >> > >>>(if you're wondering why my Actions are setup like this, it's > >> > >>because > >> > >>>they all extend the same abstract Action class that has logic to > do > >>>processing based on the request parameter... so what's really > >>>happening > >>>is that each Action is executing the same thing but i'd like > >>>to be able > >>>to have them do different things) > >>> > >>>any suggestions is much appreciated and thanks in advance, > >>> > >>>woodchuck > >>> > >>> > >>> > >>> > >>>_______________________________ > >>>Do you Yahoo!? > >>>Express yourself with Y! Messenger! Free. Download now. > >>>http://messenger.yahoo.com > >>> > >>> > >> > >>--------------------------------------------------------------------- > >> > >>>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>For additional commands, e-mail: [EMAIL PROTECTED] > >>> > >>> > >> > >>--------------------------------------------------------------------- > >>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>For additional commands, e-mail: [EMAIL PROTECTED] > >> > >> > > > > > > > > > > > > _______________________________ > > Do you Yahoo!? > > Win 1 of 4,000 free domain names from Yahoo! Enter now. > > http://promotions.yahoo.com/goldrush > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > _______________________________ Do you Yahoo!? Win 1 of 4,000 free domain names from Yahoo! Enter now. http://promotions.yahoo.com/goldrush --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
