net.xoetrope.xui.evaluator
Interface XAttributeEvaluator

All Known Implementing Classes:

ScriptAttributeEvaluator, XDefaultAttributeEvaluator, XGroovyEvaluator

public interface XAttributeEvaluator

An interface for the evaluation of expressions at design time.

Copyright (c) Xoetrope Ltd., 2002-2004

$Revision: 2.2 $

License: see License.txt

setCurrentProject

void setCurrentProject(XProject project)

Set the current project and complete any initialization that depends on the project reference/instance.

Parameters:

project - the current or owning project

evaluateAttribute

java.lang.Object evaluateAttribute(PageSupport page,
                                   java.lang.String attributeValue)

Get the value of an attribute.

Parameters:

page - the page being loaded

attributeValue - the raw value of the attribute

Returns:

the evaluated value of the attribute

getMethodReference

XMethodReference getMethodReference(java.lang.String attributeValue)

Get the method reference for the methods named in the attribute

Parameters:

attributeValue - the method name

Returns:

the method reference or null if the referenced/named method cannot be found

getMethodReference

XMethodReference getMethodReference(PageSupport page,
                                    java.lang.String attributeValue)

Get the value of an attribute by evaluating a method reference

Parameters:

page - the current page

attributeValue - the method name

Returns:

the method reference or null if the referenced/named method cannot be found