Package ognl
Interface NullHandler
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- All Known Implementing Classes:
ObjectNullHandler
public interface NullHandler
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), Drew Davidson (drew@ognl.org)
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.Object
nullMethodResult(java.util.Map context, java.lang.Object target, java.lang.String methodName, java.lang.Object[] args)
Method called on target returned null.java.lang.Object
nullPropertyValue(java.util.Map context, java.lang.Object target, java.lang.Object property)
Property in target evaluated to null.
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Method Detail
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nullMethodResult
java.lang.Object nullMethodResult(java.util.Map context, java.lang.Object target, java.lang.String methodName, java.lang.Object[] args)
Method called on target returned null.
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nullPropertyValue
java.lang.Object nullPropertyValue(java.util.Map context, java.lang.Object target, java.lang.Object property)
Property in target evaluated to null. Property can be a constant String property name or a DynamicSubscript.
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