would like InjectStateWorker to add an "exists" method
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Key: TAPESTRY-573
URL: http://issues.apache.org/jira/browse/TAPESTRY-573
Project: Tapestry
Type: Improvement
Versions: 4.0
Reporter: Dustin Frazier
Priority: Minor
It would be really useful if the injection of an application state object added
not only a getter method but also an "exists" method to check whether the state
object has been created. The alternative is to use the state: binding prefix,
but this can't be combined in an ognl expression, which makes using it somewhat
cumbersome. If an "exists" method was added, it would make it possible to do
the usual "check if it exists, then check a value within it" pattern in one
conditional expression.
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