com.opensymphony.xwork2.conversion
Interface NullHandler

All Known Implementing Classes:
InstantiatingNullHandler

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)

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

Method Detail

nullMethodResult

Object nullMethodResult(Map<String,Object> context,
                        Object target,
                        String methodName,
                        Object[] args)
Method called on target returned null.


nullPropertyValue

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



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