It's never enough FOR YOU PEOPLE!!! =^D
public static Collection<? extends Thing> getThings() {
ArrayList<Thing> things = new ArrayList<Thing>();
things.add(new Thing(1, "foo", 1.95f));
return things;
}
<action name="mapBackedUI*" method="{1}" class="acme.action.ListAction">
<result>
displayTile-{1}
</result>
</action>
mgainty wrote:
>
>
> code for addAll?
> code for Thing.getThings()?
> struts.xml action config for mapBackedUIsaveList?
>
> thanks,
> Martin
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>
>> Date: Tue, 16 Jun 2009 09:10:10 -0700
>> From: stanl...@gmail.com
>> To: user@struts.apache.org
>> Subject: Mapped back UI and #status.index driven names
>>
>>
>> How is that for a subject line? I always wonder what I would search for
>> myself :working:
>>
>> I had a guy tell me that a struts web tag was generating an absurd number
>> of
>> method calls on his action/model. After carefully considering his
>> scenario,
>> I was able to experiment using the files below. When the page is loaded
>> a
>> single call is made to the getThings() which returns one instance of
>> Thing.
>> However, when the submit is clicked, the getThings() is called 33 times!
>> Before I bury my head in code, can anyone see why this might be the case?
>> The Parameters interceptor is in the stack one time and the generated
>> HTML
>> is generating this single parameter:
>>
>> <input type="text" name="things[0].name" value="foo"
>> id="mapBackedUIsaveList_things_0__name"/>
>>
>>
>>
>> Action:
>>
>> public class ListAction extends BaseAction {
>>
>> private static List<Thing> things;
>> public List<Thing> getThings() {
>> if (things == null) {
>> things = new ArrayList();
>> things.addAll(Thing.getThings());
>> }
>> return things;
>> }
>>
>> public void setThings(List<Thing> things) {
>> this.things = things;
>> }
>> public String list() throws Exception {
>> return SUCCESS;
>> }
>> public String saveList() throws Exception {
>> return SUCCESS;
>> }
>> }
>>
>> Page:
>>
>> <s:form action="mapBackedUIsaveList">
>> <table>
>> <tr>
>> <td>
>> Name
>> </td>
>> </tr>
>> <s:iterator value="things" status="status">
>> <tr>
>> <td>
>>
>> </td>
>> <td>
>> <s:textfield
>> name="things[%{#status.index}].name"
>> value="%{name}" />
>> </td>
>> <td>
>>
>> </td>
>> </tr>
>> </s:iterator>
>> </table>
>> <s:submit />
>> </s:form>
>>
>> Bean:
>>
>> public class Thing {
>>
>> private String name;
>>
>> get/set
>>
>> }
>> --
>> View this message in context:
>> http://www.nabble.com/Mapped-back-UI-and--status.index-driven-names-tp24057659p24057659.html
>> Sent from the Struts - User mailing list archive at Nabble.com.
>>
>>
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>>
>
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