de.cismet.cids.custom.wrrl_db_mv.util

Class ExpressionEvaluator

java.lang.Object

de.cismet.cids.custom.wrrl_db_mv.util.ExpressionEvaluator

public class ExpressionEvaluator
extends Object

This class can evaluate simple math expressions.

Version:

$Revision$, $Date$

Author:

therter

Constructor Summary

Constructors

Constructor and Description
ExpressionEvaluator()

Method Summary

Modifier and Type	Method and Description
Double	eval(String expression) evaluates the given expression.
boolean	isValidExpression(String expression) DOCUMENT ME!

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEvaluator

public ExpressionEvaluator()

Method Detail

eval

public Double eval(String expression)
            throws org.codehaus.groovy.control.CompilationFailedException

evaluates the given expression.

Parameters:

expression - DOCUMENT ME!

Returns:

the result of the expression or null if the expression is not valid

Throws:

org.codehaus.groovy.control.CompilationFailedException - DOCUMENT ME!

See Also:

isValidExpression

isValidExpression

public boolean isValidExpression(String expression)

DOCUMENT ME!

Parameters:

expression - DOCUMENT ME!

Returns:

DOCUMENT ME!