de.intarsys.tools.expression
Class ConstantResolver

java.lang.Object
  de.intarsys.tools.expression.ConstantResolver

All Implemented Interfaces:

IStringEvaluator

public class ConstantResolver
extends Object
implements IStringEvaluator

Resolve an expression to a constant value.

This is a practical tool if you want to adapt different string resolving components to provide the same expression set.

Constructor Summary

ConstantResolver(Object value)

Method Summary

Object

evaluate(String expression, IArgs args) Evaluate an expression according to the syntax used by the implementor and return the result.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConstantResolver

public ConstantResolver(Object value)

Method Detail

evaluate

public Object evaluate(String expression,
                       IArgs args)
                throws EvaluationException

Description copied from interface: IStringEvaluator

Evaluate an expression according to the syntax used by the implementor and return the result.

Specified by:

evaluate in interface IStringEvaluator

Parameters:

expression - The expression to evaluate.

Returns:

The result object.

Throws:

EvaluationException - If we encounter a compile or runtime error.