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
`java.lang.Object` | `nullMethodResult(java.util.Map<java.lang.String,java.lang.Object> 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<java.lang.String,java.lang.Object> context, java.lang.Object target, java.lang.Object property)` Property in target evaluated to null.

Method Detail

### nullMethodResult

    java.lang.Object nullMethodResult(java.util.Map<java.lang.String,java.lang.Object> context,
                                      java.lang.Object target,
                                      java.lang.String methodName,
                                      java.lang.Object[] args)

  Method called on target returned null.

### nullPropertyValue

    java.lang.Object nullPropertyValue(java.util.Map<java.lang.String,java.lang.Object> 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.

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 © 2000-2011 Apache Software Foundation. All Rights Reserved.