Re: JetSpeed VelocityPortlet extension

[ra...@networks.groupvu.com]

You don't neeed to extend the VelocityPortlet, simply do the following:
- extend 
org.apache.jetspeed.modules.actions.portlets.VelocityPortletAction to
   write you own FooAction.
- define at least the buildNormalContext() of this FooAction to fill up 
the Portlet context
   with your own variables (if you have defined Turbine tools, they'll 
automatically
   available in your portlet).
- write your template(s) for this portlet, eg foo.vm
- in the registry, associate your Action and base template to the 
VelocityPortlet:
 
    <portlet-entry name="Foo" type="ref"  parent="Velocity">
        <meta-info>
            <title>Foo</title>
            <description>My Foo portlet</description>
        </meta-info>
        <parameter name="template" value="foo"/>
        <parameter name="action" value="portlets.FooAction"/>
        <media-type ref="html"/>
    </portlet-entry>

And you're set !

> Is there a way to have a custom Velocity Portlet where
> we can put some objects into the Context and so can be
> accessed from the Velocity Template?
>
> Apparently, overriding the "getContent(RunData)" and
> pushing some objects into it by doing this - (see code
> below), does not work, as the populateContext id
> overwritten by the parent i.e VelocityPortlet. So, I
> ended up copying the entire code of
> VelocityPortlet.java and adding a few lines of my own
> code. Is there another way to do it?
>
> //-------- start ------------------
>     public ConcreteElement getContent( RunData rundata )
>     {
>         Context context = TurbineVelocity.getContext();
>         context.put( "myname", "Ashwin Jayaprakash" );
>         context.put( "dob", "Aug 24, 1996" );
>         context.put( "site", "www.javaforu.com" );
>
>         TurbinePull.populateContext(context, rundata);
>
>         return super.getContent( rundata );
>      }
> //-------- end ------------------
>
>
> Thanks,
> Ashwin.
>
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-- 

Raphaël Luta - raphael.luta@networks.groupvu.com
Professional Services Manager
Vivendi Universal Networks - Paris




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