//Assuming we have this Action
//A Simple Action Class which demonstrates placing information in a Map
public class GetEntryAction extends ActionSupport
{
private ArrayList stats_list=new ArrayList(30); //a collection of stats
private class stats
{
private ArrayList entries_list=new ArrayList(30); // a collection of
Entries
String StatusGroupName="StatusGroupName";
String StatusGroupID="StatusGroupID";
}
private class Entry
{
String HOHName;
public String getHOH Name()
{
return HOHName;
}
public void setHOH Name(String HOHName)
{
this.HOHName=HOHName;
}
String Price;
public String getPrice()
{
return Price;
}
public void setPrice(String price)
{
Price=price;
}
String OriginalValue;
public String getOriginalValue()
{
return OriginalValue;
}
public void setOriginalValue(String str)
{
OriginalValue=str;
}
}
public String execute() throws Exception
{
Map session =
com.opensymphony.xwork2.ActionContext.getContext().getSession();
//construct new Uber stats class
stats stats1=new stats();
stats1.StatusGroupName=new String("StatusGroupName1");
stats1.StatusGroupID=new String("StatusGroupID");
//Name,Value,OriginalValue
//construct the 1st entry
Entry entry1=new Entry();
entry1.setHOHName("ALL");
entry1.setPrice("50.00");
entry1.setOriginalValue("10.00");
//put it into stats Map
stats1.entries_list.add(entry1);
//construct the second entry
Entry entry2=new Entry();
entry2.setHOHName("ALL");
entry2.setPrice("50.00");
entry2.setOriginalValue("10.00");
//put it into entries Map
stats1.entries_list.add(entry2);
//put the stats class into stats_list
stats_list.add(stats1);
//construct new Uber stats class
stats stats2=new stats();
stats2.StatusGroupName=new String("StatusGroupName2");
stats2.StatusGroupID=new String("StatusGroupID2");
//construct the 1st entry
Entry entry2a=new Entry();
entry2a.setHOHName("ALL");
entry2a.setPrice("50.00");
entry2a.setOriginalValue("10.00");
//put it into stats Map
stats2.entries_list.add(entry2a);
//construct the second entry
Entry entry2b=new Entry();
entry2b.setHOHName("ALL");
entry2b.setPrice("50.00");
entry2b.setOriginalValue("10.00");
//put it into entries Map
stats2.entries_list.add(entry2b);
session.put("stats_list",stats_list);
//All of the information you require is now in the map which is now in the
Session
return SUCCESS;
}
}
<s:iterator value="#session.stats_list" status="statsStatus" var="stats_list">
<tr class="<s:if test="#statsStatus.odd == true
">odd</s:if><s:else>even</s:else>">
<td><s:property value="name" /></td>
<td><s:property value="description" /></td>
<td>
<!-- notice the statsStatus.indexis used to refer to iterate from
-->
<s:iterator
value="#session.stats_list.entries_list('#statsStatus.index')"
status="userStatus" var="user_list">
<!-- display HOHName for anything other than 0 entry -->
<s:property value="HOHName" /><s:if
test="!#userStatus.index">,</s:if>
</s:iterator>
</td>
</tr>
</s:iterator>
a few things to notice:
notice how the index from statsStatus outer loop is being used for the
session_stats inner loop
also take a look at this List which is later pushed onto OGNLStack (session)
private ArrayList stats_list=new ArrayList(30); //a collection of stats
and then referenced later on as #session.stats_list
once inside the session.stats_list there is a inner list
private ArrayList entries_list=new ArrayList(30);
which is populated and pushed onto OGNLStack (session)
and then referenced later on as #session.stats_list.entries_list
Martin Gainty
______________________________________________
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> Date: Fri, 13 Nov 2009 12:53:18 -0600
> From: oscar.kalde...@gmail.com
> To: user@struts.apache.org
> Subject: Problem with <s:iterator> tag
>
> Hi to all, i have a simple question about <s:iterator> tag. Let's say
> that we have a property in our action of type List, but in that list i
> only store Strings.
> When i want to print the value of the list on the JSP i use this code
> snipped:
>
> <s:iterator value="selIngredientes">
> <s:property value="?" />
> </s:iterator>
>
> But i don't know if that's right, because i don't know how to put in the
> value attribute of the property tag, because the list isn't a list of
> objects, is a list of simple strings so each object doesn't have a
> property to get the string value.
>
>
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