org.apache.geronimo.gshell.expression
Interface ExpressionEvaluator

All Known Implementing Classes:

JexlExpressionEvaluator

public interface ExpressionEvaluator

A very simple expression evalutator interface.

Version:

$Rev: 574416 $ $Date: 2007-09-10 17:49:15 -0700 (Mon, 10 Sep 2007) $

Nested Class Summary

static class

ExpressionEvaluator.SyntaxException Thrown to indicate a syntax error while parsing.

Method Summary

Object	evaluate(String expression)
String	parse(String input)

Method Detail

evaluate

Object evaluate(String expression)
                throws Exception

Throws:

Exception

parse

String parse(String input)
             throws ExpressionEvaluator.SyntaxException

Throws:

ExpressionEvaluator.SyntaxException