incubator.net.xoetrope.xui
Class XPathEvaluator

java.lang.Object
  incubator.net.xoetrope.xui.XPathEvaluator

public class XPathEvaluator

extends java.lang.Object

A class used by XPage to implement its evaluation of paths

Copyright (c) Xoetrope Ltd., 2002-2004

License: see license.txt

evaluator

protected XDefaultAttributeEvaluator evaluator

The default attribute expression evaluator

ownerPage

protected PageSupport ownerPage

The enclosing context

currentProject

protected XProject currentProject

The project to which this object belongs

XPathEvaluator

public XPathEvaluator(XProject project,
                      PageSupport page)

Creates a new instance of XPathEvaluator

Parameters:

project - the owner project

page - the enclosing context

evaluateAttribute

public java.lang.Object evaluateAttribute(java.lang.String attribValue)

Evaluates an attribute value. An attribute may be a value or a method call. If brackets are part of the value it is assumed that a method call is intended. The method call is indicated by the '$' symbol e.g. ${myMethod()}

Parameters:

attribValue - the raw attribute value

Returns:

the evaluated attribute

evaluatePath

public java.lang.String evaluatePath(java.lang.String path)

Evaluates a path (potentially) containing a method call

Parameters:

path - the raw path

Returns:

the evaluated path

stripAttributeValues

public java.lang.String stripAttributeValues(java.lang.String path)

Remove the attribute paths from a path e.g. remove @value=ignore

Parameters:

path - the path to strip

Returns:

the stripped path