Package org.apache.velocity.app.event
Interface NullSetEventHandler
- All Superinterfaces:
EventHandler
Event handler called when the RHS of #set is null. Lets an app approve / veto
writing a log message based on the specific reference.
- Version:
- $Id: NullSetEventHandler.java 685685 2008-08-13 21:43:27Z nbubna $
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Nested Class Summary
Nested ClassesModifier and TypeInterfaceDescriptionstatic class
Defines the execution strategy for shouldLogOnNullSet -
Method Summary
Modifier and TypeMethodDescriptionboolean
shouldLogOnNullSet
(String lhs, String rhs) Called when the RHS of a #set() is null, which will result in a null LHS.
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Method Details
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shouldLogOnNullSet
Called when the RHS of a #set() is null, which will result in a null LHS. All NullSetEventHandlers are called in sequence until a false is returned. If no NullSetEventHandler is registered all nulls will be logged.- Parameters:
lhs
- reference literal of left-hand-side of set statementrhs
- reference literal of right-hand-side of set statement- Returns:
- true if log message should be written, false otherwise
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