At 23:58 02/11/01, Raphaël Luta wrote:
>I've just checked in Velocity templates which can be used to replace
>the ECS screens or the JSP templates.
>
>I've not yet fully tested them in WML mode and there's an output bug
>with the customizer (which outputs its content before the page) so I
>didn't put them as the default templates right now.
I think this is because the customizer uses a JSP together with the
EcsServletElement to build the screen. The EcsServletElement doesn't do
much during the getContent traversal, but it writes directly to the output
stream during the toString() traversal of the Ecs tree. Now, the
VelocityECSLayout _first_ evaluates the Ecs screen, stores the resulting
string in the template context and _then_ evaluates the templates - as the
EcsServletElement writes directly to the output stream, this is too late.
What can we do? We could:
1. evaluate the Ecs screen from within the template - at the place where it
is actually needed (that's what the JSPs are currently doing with the
EcsScreenTag). Don't know if this is possible, but I doubt it.
2. just build up the Ecs tree, store the ConcreteElement in the context and
do the toString at the right place in the template (that's what the JSP
used to do in 1.3a1). Again, I don't know if Velocity permits this?
3. patch the EcsServletElement so that it deliveres the output back to the
calling object. This will work, we're just loosing some performance, as the
output is streamed and buffered twice.
ingo.
>If you want to check them out, modify your TR.p properties as
>recommended in the file.
>
>I've also added a bunch of template utility classes for building links
>and getting content in the templates (org.apache.jetspeed.util.template.*).
>
>--
>Raphaël Luta - [EMAIL PROTECTED]
>Vivendi Universal Networks - Services Manager / Paris
>
>
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