[Nested] Getting value from parent during iteration

[Sri Sankaran <Sr...@sas.com>]

Using Struts 1.0.2 and Nested extension

The value attribute doesn't support the nested syntax of walking up a tree a la "../foo".  How is this result achieved?

In my JSP I have the following

<nested:root name="dependencies">
  <nested:iterate property="types">
    <nested:equal property="name" value="../currentType">
        Do stuff
    </nested:equal>
  </nested:iterate>
</nested:root>

class DepBean {  // available with session key 'dependencies'
  private String currentType;
  private Collection types;
  public String getCurrentType() { return currentType; }
  public Collection getTypes() { return types; }
  ...
}

public class DepType {
  private String name;
  public String getName() { return name; }
  ...
}

Even if I resort to specifying the value using a scriptlet, how can I get at the DepBean without having 

<%
  DepBean foo = (DepBean)session.getAttribute("dependencies");
  String currentType = foo.getCurrentType();
%>

and changing the <nested:equal> to

    <nested:equal property="name" value="<%=currentType%>">

Is this my only option?

Sri

RE: [Nested] Getting value from parent during iteration

[Phase Web and Multimedia <ma...@phase.ws>]

This might be a suggested enhancement ala propertyValue="../foo" for the
nested:equal and all like comparative tags. Post it on the dev board.  I
could see where it would be useful for sure.

Brandon Goodin
Phase Web and Multimedia
P (406) 862-2245
F (406) 862-0354
mail@phase.ws
http://www.phase.ws


> -----Original Message-----
> From: Sri Sankaran [mailto:Sri.Sankaran@sas.com]
> Sent: Wednesday, October 02, 2002 7:52 AM
> To: Struts-User
> Subject: [Nested] Getting value from parent during iteration
>
>
> Using Struts 1.0.2 and Nested extension
>
> The value attribute doesn't support the nested syntax of walking
> up a tree a la "../foo".  How is this result achieved?
>
> In my JSP I have the following
>
> <nested:root name="dependencies">
>   <nested:iterate property="types">
>     <nested:equal property="name" value="../currentType">
>         Do stuff
>     </nested:equal>
>   </nested:iterate>
> </nested:root>
>
> class DepBean {  // available with session key 'dependencies'
>   private String currentType;
>   private Collection types;
>   public String getCurrentType() { return currentType; }
>   public Collection getTypes() { return types; }
>   ...
> }
>
> public class DepType {
>   private String name;
>   public String getName() { return name; }
>   ...
> }
>
> Even if I resort to specifying the value using a scriptlet, how
> can I get at the DepBean without having
>
> <%
>   DepBean foo = (DepBean)session.getAttribute("dependencies");
>   String currentType = foo.getCurrentType();
> %>
>
> and changing the <nested:equal> to
>
>     <nested:equal property="name" value="<%=currentType%>">
>
> Is this my only option?
>
> Sri
>


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