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

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      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.