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From "Jamesey" <JamesPra...@hotmail.com>
Subject Re: logic:iterate.. newbie question
Date Wed, 12 Mar 2003 15:28:59 GMT
thanks very much.. thats a great help..

"James Mitchell" <jmitchell@apache.org> wrote in message
news:002801c2e8ac$45c0aff0$6f01a8c0@atlanta...
> Not exactly, if you had an ArrayList of String, you could don't need
> property.
> Like this:
>
> <%
> ArrayList lst = new ArrayList();
> lst.add("value 1");
> lst.add("value 2");
> lst.add("value 3");
> request.setAttribute("myCollection", lst);
> %>
>
> <logic:iterate id="itm" name="myCollection">
>  <bean:write name="itm"/><br>
> </logic:iterate>
>
> --
> James Mitchell
> Software Developer/Struts Evangelist
> http://struts.sourceforge.net/struts-atlanta/
>
>
>
> > -----Original Message-----
> > From: Jamesey [mailto:JamesPrance@hotmail.com]
> > Sent: Wednesday, March 12, 2003 10:18 AM
> > To: struts-user@jakarta.apache.org
> > Subject: Re: logic:iterate.. newbie question
> >
> >
> > that helps massively.. and confirms my own deductions...
> >
> > and i'm assuming if i use an array of objects the name
> > property changed to
> > reflect the setAttribute name
> >
> > "James Mitchell" <jmitchell@apache.org> wrote in message
> > news:002001c2e8a9$e5fd6060$6f01a8c0@atlanta...
> > > > -----Original Message-----
> > > > From: Jamesey [mailto:JamesPrance@hotmail.com]
> > > > Sent: Wednesday, March 12, 2003 9:52 AM
> > > > To: struts-user@jakarta.apache.org
> > > > Subject: logic:iterate.. newbie question
> > > >
> > > >
> > > > I have and array or collection of objects (the object has two
> > > > members with
> > > > appropriate getter and setters)
> > > >
> > > > i want to iterate through the array and retrieve each
> > value for the
> > > > object..so it will look like this
> > > >
> > > > value a  valueb
> > > > value a  valueb
> > > > value a  valueb
> > > >
> > > > Question1. does the iteration object HAVE to be a bean? cant
> > > > it just be an
> > > > array of objects?
> > >
> > > No.  You could use an array of String or ArrayList of
> > Integer, whatever.
> > > The logic:iterate will look slightly different though.
> > >
> > >
> > > > Question2 how do you set up the iterate tag to get both values?
> > >
> > > You'll need to write them out using bean:write
> > >
> > > If you have a collection of bean:
> > > MyBean
> > >  String valueA;
> > >  String valueB;
> > >  (with getters and setters)
> > >
> > >
> > > Then you can display them as follows:
> > >
> > > (in your action)
> > >   //setup your collection
> > > ...
> > >   //then add to request
> > > request.setAttribute("myCollectionOfMyBean", coll);
> > >   // then forward to your jsp
> > >
> > >
> > > (in your jsp)
> > > <logic:iterate id="itm" name="myCollectionOfMyBean">
> > >  <bean:write name="itm" property="valueA"/>
> > >  <bean:write name="itm" property="valueB"/>
> > > </logic:iterate>
> > >
> > >
> > > See, the logic:iterate sets up a scripting variable named
> > 'itm' so that
> > > the bean:write tag can use it to call getValueA() and getValueB().
> > >
> > >
> > > HTH
> > >
> > > --
> > > James Mitchell
> > > Software Developer/Struts Evangelist
> > > http://struts.sourceforge.net/struts-atlanta/
> >
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: struts-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: struts-user-help@jakarta.apache.org
> >




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