org.apache.commons.jexl
Interface JexlExprResolver
- All Known Implementing Classes:
- FlatResolver
- public interface JexlExprResolver
A Resolver allows custom resolution of the expression, and can be
added in front of the jexl engine, or after in the evaluation
- Version:
- $Id: JexlExprResolver.java,v 1.1 2002/06/13 16:09:32 geirm Exp $
- Author:
- Geir Magnusson Jr.
Field Summary |
static java.lang.Object |
NO_VALUE
|
Method Summary |
java.lang.Object |
evaluate(JexlContext context,
java.lang.String expression)
evaluates an expression against the context |
NO_VALUE
public static final java.lang.Object NO_VALUE
evaluate
public java.lang.Object evaluate(JexlContext context,
java.lang.String expression)
- evaluates an expression against the context
- Parameters:
context
- current data contextexpression
- expression to evauluate
- Returns:
- value (may be null) po the NO_VALUE object to
indicate no resolution.