net.obvj.jep

Class ExpressionEvaluatorFacade

java.lang.Object

net.obvj.jep.ExpressionEvaluatorFacade

public class ExpressionEvaluatorFacade
extends Object

A facade class for the ExpressionEvaluator

Author:

oswaldo.bapvic.jr

Method Summary

Modifier and Type	Method and Description
static Object	evaluate(String expression, Map<String,Object> sourceMap) Evaluates the given expression based on the variables in the contextMap.
static Object	evaluate(String expression, Map<String,Object> sourceMap, boolean updateSourceMap) Evaluates the given expression based on the variables in the contextMap.

Methods inherited from class java.lang.Object

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

Method Detail

evaluate

public static Object evaluate(String expression,
                              Map<String,Object> sourceMap)
                       throws org.nfunk.jep.ParseException

Evaluates the given expression based on the variables in the contextMap.

Parameters:

expression - the expression to be parsed

sourceMap - the map of variables to be used for evaluation

Returns:

the evaluation result given the input variables

Throws:

org.nfunk.jep.ParseException - if for some reason the expression could not be evaluated

evaluate

public static Object evaluate(String expression,
                              Map<String,Object> sourceMap,
                              boolean updateSourceMap)
                       throws org.nfunk.jep.ParseException

Evaluates the given expression based on the variables in the contextMap.

Parameters:

expression - the expression to be parsed

sourceMap - the map of variables to be used for evaluation

updateSourceMap - a flag indicating whether or not the initial variables map shall be updated with the evaluation results (default: false)

Returns:

the evaluation result given the input variables

Throws:

org.nfunk.jep.ParseException - if for some reason the expression could not be evaluated