I think I have found the problem - or at least a potential cause. Would it
be correct in stating that this will not work using ActionForm (what I was
using) and that I must instead use DynaActionForm ?
Thanks for the time thus far.
On 11/17/06, Hubert Rabago <[EMAIL PROTECTED]> wrote:
Adam,
Try adding a getResultsPage() that doesn't take params and always
returns a valid collection. (Throw in the setResultsPage() that
accepts a collection as well.)
Hubert
On 11/17/06, Adam K <[EMAIL PROTECTED]> wrote:
> This has been driving me nuts for the past little bit.
> I have a page that is populated using indexed properties. The
prepopulation
> works fine, and I get the results as I would expect them, but trying to
> submit the form I get an index out of bounds exception. I know that it
is
> being caused because the page doesn't have the arrayList to use in the
> indexed properties. I guess my question boils down to using indexed
> properties properly. I will start by putting in an explanation of what
I
> have and what I am trying to do:
>
> The following is what I am working with :
> JSP:
>
> <logic:notEmpty name="ProdSelectionForm" property="results">
> <logic:iterate name="ProdSelectionForm" property="results"
> id="ResultsPage">
> <tr>
> <td> <bean:write name="ResultsPage"
property="description"
> /> </td>
> <td > <html:text name="ResultsPage"
property="numProducts"
> indexed="true" /> </td>
> </tr>
> </logic:iterate>
> </logic:notEmpty>
>
> What I am trying to achieve is that a user clicks on a link, they are
sent
> to page, and all of the values are prepopulated. The page is then
displayed
> and the user has the option to modify any of the variables that they
want to
> before resubmitting the page. (When they resubmit the form has a url
> parameter attached to it). What is happening (or at least what I
believe is
> happening is the following: link is clicked, reset is called action
sets
> the variables, page is displayed, user can modify the page and resubmit,
> reset is called on the form, the action is called (this is where it dies
as
> there is no longer an ArrayList) to modify. My question is am I going
about
> this in a manner that seems sensible or am I way off base ? I have the
> values being prepopulated, but when trying to use the values that the
user
> puts in I can't use them in the action, nor can I pull the values from
the
> form without again setting the values in the form. I am hoping it is
that
> I have over looked something, but it's possible that I don't understand
> something as well.
>
> Here is the Action code (This is the entire execute method) :
> HttpSession session = request.getSession();
> ProdSelectionForm prodSelection = (ProdSelectionForm) form;
> User user ;
> user = (User)session.getAttribute("User");
> Order order = new Order();
> ArrayList products = new ArrayList();
> ArrayList pageRes = new ArrayList();
> ArrayList results = new ArrayList();
>
> String action = (request.getParameter("Dest") == null ?
"populate" :
> request.getParameter("Dest") );
>
> order = user.getCurrOrder(user);
>
> if(action.equals("populate"))
> {
> prodSelection.setResults(order.getProducts());
> }
>
> if(action.equals("Delete"))
> {
> ArrayList p = new ArrayList();
> p = prodSelection.getResults();
>
> int count = 0;
> while (count < p.size())
> {
> Product t = (Product) p.get(count);
> t.setDescription("" +t.getNumProducts() +">"
+pageRes.size()
> +"<");
> p.set(count, t);
> count++;
> }
>
> t.setDescription("" +t.getNumProducts() +">" +p.size()
+"<");
> p.set(0, t);
>
> user.setOrder(p , user);
> prodSelection.setResults(p);
> prodSelection.setTest(prodSelection.getTest()+" + " + p.size
());
>
> return mapping.findForward("success");
> }
> return mapping.findForward("success");
>
>
>
>
> Form code: (In the form code is an ArrayList called results. This
arraylist
> contains a bunch of Product )
>
> public Product getResultsPage(int index)
> {
> if(this.results == null)
> {
> this.results = new ArrayList();
> }
>
> while(index >= this.results.size())
> {
> this.results.add(new Product());
> }
> return (Product) results.get(index);
> }
>
> public void setResultsPage(int index, Product p)
> {
> if(this.results == null)
> {
> this.results = new ArrayList();
> }
>
> while(index >= this.results.size())
> {
> this.results.add(new Product());
> }
> results.set(index, p);
> //return (Product) results.get(index);
> }
>
> public void setResults(ArrayList results)
> {
> this.results=results;
> }
>
> public ArrayList getResults()
> {
> return this.results;
> }
>
>
>
> Products is an object that stores various things about a product with
> numProducts, and description being two of those things.
> Within Products is both getter and setter methods for the numProducts as
> well as description.
>
>
>
> Thanks so much for any help you may be able to provide.
>
>
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