Possible room for performance improvement when using TemplateDirectiveModel and TemplateMethodModelEx

	Hi, everybody. 	

	My context is Grails freemarker-tags plugin.
	First a quick explanation about how the plugin works:

	At the startup, the plugin
	- Creates a MultipleTemplateLoader that contains a
StringTemplateLoader;
	- Collects all Grails TagLibs that share the same namespace (for
instance "g" namespace);
	- For each namespace, it creates a "namespace.ftl_suffix" (for our
example, a "g.ftl" template) that contains lines like

[#assign message
="org.codehaus.groovy.grails.plugins.freemarker.DynamicTagLibDirective"?new("g", "message")]
[#assign _message
="org.codehaus.groovy.grails.plugins.freemarker.DynamicTagLibFunction"?new("g", "message")]
	
	(these DynamicTagLibXYZ are adapters that know how to locate and
execute Grails TagLibs)

	- The created templates are added to StringTemplateLoader and are
marked, in Configuration object, to be "auto imported".


	That is all.

	Every time a .ftl is called, a lot of instances of
DynamicTagLibDirective and DynamicTagLibFunction are created and
everything works fine (most of the time ;-)). FreeMarker cache seems to
be in use, as expected:

2011-01-14 06:32:01,604 [http-8080-4] DEBUG freemarker.cache  -
g.ftl[en_US,UTF-8,parsed] using cached since
freemarker.cache.StringTemplateLoader$StringTemplateSource@5c1eb57
didn't change.


	I've added options to turn off auto-import and to turn off function
definitions.
	Related to FreeMarker, is there any other performance improvement that
i could/should consider? Is it possible to avoid some object creation?


	Thanks in advance.

http://code.google.com/p/grails-freemarker-tags-plugin/source/browse/


-- 
"If there must be trouble, let it be in my day, 
 that my child may have peace."

Thomas Paine


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