can i write some java code in Velocity?

[James Wang <to...@yahoo.com>]

sometimes i want to write some java code in
Velocity,not in the portlet code,for example,
i got a object 'java.util.Date',and now i want
to get formatted date string from this object,

in java code,i can
.......
  java.text.SimpleDateFormat sdf = new 
      java.text.SimpleDateFormat("yyyy-MM-dd");
  String s = sdf.format(date);
.......

in velocity, how can i do for $sdf.format($date)?
where can i get $sdf, do i have to init a new object
in portlet code and then put it into the context of
jetspeed?
   that mean i must do such thing in Module part of 
MVC if i adopt Turbine/Jetspeed/Velocity.
 
but i think  the object ,SimpleDateFormat should be
initialized in Velocity,not in the java code of
Portlet.so i can make my code of Module simple.

maybe i dont master the MVC :(:)

any help would be appreciated!











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Re: can i write some java code in Velocity?

[Paul Spencer <pa...@apache.org>]

James,
Velocity is a template engine.  It does not support embedded Java.  If 
you want to embed Java, then use JSP.  For more information on Velocity 
see http://jakarta.apache.org/velocity

You can also extend the Velocity portlet to add Velocity context 
variables which would be useable in you template.

Paul Spencer

James Wang wrote:

> sometimes i want to write some java code in
> Velocity,not in the portlet code,for example,
> i got a object 'java.util.Date',and now i want
> to get formatted date string from this object,
> 
> in java code,i can
> .......
>   java.text.SimpleDateFormat sdf = new 
>       java.text.SimpleDateFormat("yyyy-MM-dd");
>   String s = sdf.format(date);
> .......
> 
> in velocity, how can i do for $sdf.format($date)?
> where can i get $sdf, do i have to init a new object
> in portlet code and then put it into the context of
> jetspeed?
>    that mean i must do such thing in Module part of 
> MVC if i adopt Turbine/Jetspeed/Velocity.
>  
> but i think  the object ,SimpleDateFormat should be
> initialized in Velocity,not in the java code of
> Portlet.so i can make my code of Module simple.
> 
> maybe i dont master the MVC :(:)
> 
> any help would be appreciated!
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> __________________________________________________
> Do you Yahoo!?
> Yahoo! News - Today's headlines
> http://news.yahoo.com
> 
> --
> To unsubscribe, e-mail:   <ma...@jakarta.apache.org>
> For additional commands, e-mail: <ma...@jakarta.apache.org>
> 
> 



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