Overview | Package | Class | Use | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## 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.

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

Copyright © 2000–2018 Apache Software Foundation. All rights reserved.