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Java Source Code / Java Documentation » Scripting » OGNL » ognl

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Java Document (Java Doc)

ognl .NullHandler

All known Subclasses:   org.ognl.test .CorrectedObjectNullHandler,  ognl .ObjectNullHandler,
NullHandler
public interface NullHandler (Code)
Interface for handling null results from Chains. Object has the opportunity to substitute an object for the null and continue.
author:
   Luke Blanshard (blanshlu@netscape.net)
author:
   Drew Davidson (drew@ognl.org)

Method Summary
public Object nullMethodResult(Map context, Object target, String methodName, Object[] args)
     Method called on target returned null.
public Object nullPropertyValue(Map context, Object target, Object property)
     Property in target evaluated to null.

Method Detail
nullMethodResult
public Object nullMethodResult(Map context, Object target, String methodName, Object[] args)(Code)
Method called on target returned null.

nullPropertyValue
public Object nullPropertyValue(Map context, Object target, Object property)(Code)
Property in target evaluated to null. Property can be a constant String property name or a DynamicSubscript.

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