Re: best practice to create a java object instance

After several days, I found the easiest way to create any java object
instance is:

Inside
protected boolean preTemplateProcess(HttpServletRequest request,
HttpServletResponse response, Template template, TemplateModel data) throws
ServletException, IOException {
        ((SimpleHash) data).put("new", new
freemarker.template.utility.ObjectConstructor());
    }

Then in the FTL code, you can
<#assign aList = new("java.util.ArrayList", 100)>

Cheers!

-- 
Chris Lu
-------------------------
Instant Scalable Full-Text Search On Any Database/Application
site: http://www.dbsight.net
demo: http://search.dbsight.com
Lucene Database Search in 3 minutes:
http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes
DBSight customer, a shopping comparison site, (anonymous per request) got
2.6 Million Euro funding!


On Fri, May 9, 2008 at 5:59 PM, Chris Lu <[email protected]> wrote:

> Er.. Not really. We actually are very MVC oriented.
>
> Basically the application does the search via Struts actions, and search
> results are rendered via Velocity or FreeMarker or JSP.
> The application provides a UI for the customers to customize the search
> results.
> So the application control the model part. And customer control the view
> part.
> It's really separating the model and the view.
>
> But not all things can be done vie FreeMarker. For example, some special
> rendering, or date format, or re-organize the order of results.
> These logic belongs to the view.
>
> Now I guess I will have to create some utility objects that can load and
> initialize a java object via reflection.
>
> --
> Chris Lu
> -------------------------
> Instant Scalable Full-Text Search On Any Database/Application
> site: http://www.dbsight.net
> demo: http://search.dbsight.com
> Lucene Database Search in 3 minutes:
> http://wiki.dbsight.com/index.php?title=Create_Lucene_Database_Search_in_3_minutes
> DBSight customer, a shopping comparison site, (anonymous per request) got
> 2.6 Million Euro funding!
>
> On Fri, May 9, 2008 at 5:04 PM, Denis <[email protected]> wrote:
>
>> Hi Chris
>>
>> > I am trying to convert the product I am working on from Velocity to
>> > Freemarker, after feeling the limitation of Velocity. One question
>> > here:
>> >
>> > What's the best practicen to create a java object instance?
>> > I see this doesn't work since it's only applicable to "TemplateModel".
>> >   <#assign hashmap = "java.util.HashMap"?new() >
>> >   <#assign obj = "com.any.java.object"?new() >
>>
>> Er, why do you want to do that in the template?
>> Certainly that belongs to the model.
>>
>> -- Denis.
>>
>> >
>> >
>> > Thanks!
>> >
>> > --
>> > Chris Lu
>>
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>
>
>
>

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