Package org.apache.commons.ognl

Interface NullHandler

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.

Method Summary

Modifier and Type	Method	Description
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.