de.intarsys.tools.expression
Class ContainerResolver

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

All Implemented Interfaces:

IStringEvaluator

Direct Known Subclasses:

ArrayResolver, DynamicArgsResolver, EntityResolver, ListResolver, MapResolver, NLSMessageResolver, NLSStringResolver, ReflectiveResolver, StaticArgEntriesResolver, StaticArgsResolver, VariableNamespacesResolver

public abstract class ContainerResolver
extends Object
implements IStringEvaluator

A common superclass for implementing an IStringEvaluator that can navigate along a "." separated path in an expression.

Constructor Summary

ContainerResolver()

ContainerResolver(char separator)

Method Summary

Object	evaluate(String expression, IArgs args) Evaluate an expression according to the syntax used by the implementor and return the result.
IStringEvaluator	getExceptionResolver()
char	getSeparator()
void	setExceptionResolver(IStringEvaluator exceptionResolver)

Methods inherited from class java.lang.Object

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

Constructor Detail

ContainerResolver

public ContainerResolver()

ContainerResolver

public ContainerResolver(char separator)

Method Detail

evaluate

public final 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.

getExceptionResolver

public IStringEvaluator getExceptionResolver()

getSeparator

public final char getSeparator()

setExceptionResolver

public void setExceptionResolver(IStringEvaluator exceptionResolver)