de.intarsys.tools.expression
Class EnvironmentResolver

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

All Implemented Interfaces:

IStringEvaluator

public class EnvironmentResolver
extends Object
implements IStringEvaluator

An IStringEvaluator implementation giving access to IFileEnvironment related information.

Constructor Summary

EnvironmentResolver()

EnvironmentResolver(IFileEnvironment environment)

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

EnvironmentResolver

public EnvironmentResolver()

EnvironmentResolver

public EnvironmentResolver(IFileEnvironment environment)

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.