RE: TemplateLoader/Configuration Question

Anthony,

I am was looking at mine too and I need a Configuration object in order to
do <#include> properly. Without the Configuration it couldn't find the
included files.

Now, does JPublish create a unique instance of the ViewRenderer for each
webapp? If so, can we not create the FTL Configuration in the init() method
or does init() get called before setSiteContext()?

I assumed init() was called first, so I did this in my render method:

        BeansWrapper wrapper = BeansWrapper.getDefaultInstance();
        WrappingTemplateModel.setDefaultObjectWrapper(wrapper);
        if (config == null) {
            synchronized(this) {
                if (config == null) {
                    config =
freemarker.template.Configuration.getDefaultConfiguration();

config.setDirectoryForTemplateLoading(siteContext.getContextRoot());
                    config.setObjectWrapper(wrapper);
                    Debug.logInfo("Set directory for template (includes)
loading: " + siteContext.getContextRoot(), module);
                }
            }
        }

So, only the first page will have to load the configuration. BTW config is
an instance variable. This might not work if ViewRenderer instances are
shared between webapps, this I have not tested yet.

-Andy



> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of
> Anthony Eden
> Sent: Wednesday, February 26, 2003 9:53 PM
> To: [email protected]
> Subject: [Freemarker-devel] TemplateLoader/Configuration Question
>
>
> Right now JPublish constructs a Template directly and thus can
> not take advantage of any caching in template engines.  I am
> working on the FreeMarker view renderer right now and I have a
> question about performance:
>
> Which is likely to pose a larger performance threat (speed and memory):
>
>  a.) Construct a new Configuration and TemplateLoader for every
> request.  In this case the template loader will still have the
> ability to return a valid value for the getLastModified() method.
>  b.) Construct a Template without caching for every request and
> thus require the template to be parsed for every request.
>
> Sincerely,
> Anthony Eden
>
>
>
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