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https://issues.apache.org/jira/browse/VELOCITY-618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12636354#action_12636354
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Byron Foster commented on VELOCITY-618:
---------------------------------------
If VELOCITY-619 is not accepted then a possible change to this patch is to
allow undefined variables in the one case of:
#if ($foo)
As discussed in VELOCITY-619, creating a special case sometimes leads to
behavior confusion, but it may work out well in this case.
> Strict property and method references
> -------------------------------------
>
> Key: VELOCITY-618
> URL: https://issues.apache.org/jira/browse/VELOCITY-618
> Project: Velocity
> Issue Type: Improvement
> Components: Engine
> Reporter: Byron Foster
> Fix For: 1.5.1, 1.6
>
> Attachments: strictPropertyAndVariable_2.patch
>
>
> The given patch against trunk adds a new option 'runtime.references.strict'.
> When set to true, invalid property references will throw a
> InvalidMethodException. For example $foo.bar will throw an exception if the
> object contained in $foo has no such property as bar. Any kind of reference
> to bar will cause an exception including:
> #if(#foo.bar)
> #set($foo.bar = "junk")
> #set($foo.getBar())
> etc...
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