[stringtemplate-interest] Conditional access to Map attribute

[Tommy C. Li]

I was passing in a Scala MapWrapper that was interface compatible with 
the java Map.

It worked when I just passed in the underlying Java HashMap.

Thanks dude,

Tommy

Terence Parr wrote:
> weird. that should work fine.  You sure it's a Map?
> Ter
> On Jan 13, 2010, at 10:31 PM, Tommy C. Li wrote:
> 
>> Here's basically what I want to do:
>>
>>   $if(metadata.description)$
>>     <br />
>>     $metadata.description$
>>   $endif$
>>
>> Where "metadata" is a Map passed in. "metadata" may or may not contain
>> "description" as a key. If it does not, I hope to have it print nothing.
>>
>> Right now I get:
>>
>> Class com.keepword.render.MyJCL$$anon$1 has no such attribute:
>> description in template context [short]
>> java.lang.NoSuchFieldException: description
>>
>> What's the proper way to accomplish this in ST?
>>
>> Tommy
>>
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>