RE: Collection within Collection

[Cohan, Sean]

That was quick!  Thanks.

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, January 14, 2003 9:57 AM
To: [EMAIL PROTECTED]
Subject: RE: Collection within Collection


Try nested:iterate tag

Regards,
 
 
PQ
 
"This Guy Thinks He Knows Everything"
"This Guy Thinks He Knows What He Is Doing"

-----Original Message-----
From: Cohan, Sean [mailto:[EMAIL PROTECTED]] 
Sent: January 14, 2003 9:59 AM
To: Struts (E-mail)
Subject: Collection within Collection

I have a collection (of ArrayLists) within a collection of (ArrayLists).
That is:

public class HistoryItemImpl implements HistoryItem {

    private String objectName;
    private List deltaList;     ...
}

public class DeltaItemImpl implements DeltaItem {

    private String columnName;
    private Object oldValue;
    private Object newValue; ...
}

In my action class I call a method that returns a collection of
historyItems.  I set that in request scope:

     request.setAttribute("historyItems", historyList);

And then iterate though it on me page:

  <logic:iterate id="historyItem" name="historyItems"
type="com.gosps.cbd.util.HistoryItem"> 

For each historyItem iteration, I want to iterate though the deltaItems:

        <logic:iterate id="deltaItem" name="deltaItems"
type="com.gosps.cbd.util.DeltaItem"> 

How can I do this?  How do I refer to the deltaItem collection within each
historyItem collection?

Thanks.


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