I modified the ActionServlet (might not be necessary - need to investigate the dynamic
module config stuff further), created a new TilesDefinitionFactory and changed a few
other bits and made tiles extract all of its definitions from a database. I also
implemented a cache mechanism as a Java servlet so that database access was minimal.
This was all because I need a site that was truly dynamic, whilst running on a cluster
of servers.
Paul
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Brice Ruth
<[EMAIL PROTECTED] To: Struts Users Mailing List
<[EMAIL PROTECTED]>
m> cc:
Subject: Re: [Tiles] Populating Tiles
definition attribute at runtime
29/12/2003 19:20
Please respond to
"Struts Users
Mailing List"
Wow, that's pretty cool ... I'll have to check out the controllerClass
stuff sometime :)
Domingo A. Rodriguez S. wrote:
>Hi Robert..
>
>I guess you could achieve the same using the controllerClass attribute and
>building your class.. For instance, I have this definition in the
>tiles-defs.xml file:
>---
> <definition name=".layout"
> path="/common/layout.jsp"
> controllerClass='com.dars.XTileAction'>
> <put name="title" value="Encabezado primario"/>
> <put name="leftside" value="/common/leftside.jsp"/>
> <put name="rightside" value="/common/rightside.jsp"/>
> <put name="header" value="/common/header.jsp"/>
> <put name="footer" value="/common/footer.jsp"/>
> <put name="body" value="/common/body.jsp"/>
> </definition>
>---
> And I have this controllerClass
>---
>package com.dars;
>import org.apache.struts.tiles.actions.TilesAction;
>import org.apache.struts.tiles.ComponentContext;
>import org.apache.struts.tiles.Controller;
>import javax.servlet.http.HttpServletRequest;
>import javax.servlet.http.HttpServletResponse;
>import javax.servlet.ServletContext;
>import javax.servlet.ServletException;
>import java.io.IOException;
>
>public class XTileAction extends TilesAction implements Controller{ > public void
>perform(ComponentContext tilesctx,
> HttpServletRequest request,
> HttpServletResponse response,
> ServletContext servctx)
> throws ServletException, IOException{ > /* GetAttributes */
> String titulo= (String)tilesctx.getAttribute("title");
> String derecha= (String)tilesctx.getAttribute("rightside");
> /* GetAttributes */
> System.out.println(" Titulo: "+titulo);
> System.out.println(" Derecha: "+derecha);
> /* SetAttributes */
> tilesctx.putAttribute("title", "Titulo nuevo de esta vaina..");
> tilesctx.putAttribute("rightside", "/common/footer.jsp");
> /* SetAttributes */
> }
>}
>---
>You can change the values of those attributes at runtime. I prefer to do
>it using this method.
>
>Atte.
>Domingo A. Rodriguez S.
>
>
> --- Robert Taylor <[EMAIL PROTECTED]> escribió: > Greetings, I have a
>tiles definition in my tiles-defs.xml similar to
>
>
>>below:
>>
>> <definition name="search" extends="layout">
>> <put name="heading" value="{0}Search" type="string" />
>> <put name="content" value="/search.jsp" type="page" />
>> </definition>
>>
>>which I would like to be able to modify the "heading" value such that
>>at runtime I could substitute a value for {0}.
>>
>>For example, it would be ideal to use a JSTL type of syntax such as:
>>
>><definition name="search" extends="layout">
>> <put name="heading" value="${param.myValue}Search" type="string" />
>> <put name="content" value="/search.jsp" type="page" />
>> </definition>
>>
>>but this does not work.
>>
>>
>>
>>robert
>>
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>>
>
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>
--
Brice D. Ruth
Sr. IT Analyst
Fiskars Brands, Inc.
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