Module tapestry.ognl
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[public] Configuration Point tapestry.ognl.NullHandlersOccurs: unbounded
Defines handler objects mapped to particular classes. OGNL NullHandler objects allow specifying how nulls are handled within OGNL expressions on a class-by-class basis.
Schema
Element <null-handler>
Attribute class (required) Translator: class
The class for which the null handler will be used.
Attribute object (required) Translator: object
An object implementing the OGNL NullHandler interface.
Conversion Rules
<conversion class="impl.NullHandlerContribution" >
  • <map attribute="class" property="subjectClass" />
  • <map attribute="object" property="handler" />
</conversion>

Module tapestry.ognl
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