Thanks for your answer,
i just found jira issue for that problem.
https://issues.apache.org/jira/browse/TAPESTRY-1928
(and that you can't override the built-in coercion)
So i try it with enums...
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View this message in context:
http://tapestry.1045711.n5.nabble.com/null-value-in-Boolean-tp571
On Wed, 23 May 2012 10:30:31 -0300, Lance Java
wrote:
If you want 3 states, (true, false and null) you will be best to have
your property of type String instead of Boolean.
Better yet, create an enum class for it.
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Thiago H. de Paula Figueiredo
Independent Java, Apache Tapestry 5 and Hi
You are witnessing Tapestry's type coercion in action. Tapestry will happily
convert from null to Boolean.FALSE (see here for more info
http://tapestry.apache.org/typecoercer-service.html)
If you want 3 states, (true, false and null) you will be best to have your
property of type String instead of
