Package org.zkoss.zkmax.bind.impl

Class BindXelFactoryEx

java.lang.Object

org.zkoss.xel.zel.ELFactory

org.zkoss.bind.xel.BindXelFactory

org.zkoss.zkmax.bind.impl.BindXelFactoryEx

All Implemented Interfaces:

ExpressionFactory

public class BindXelFactoryEx
extends BindXelFactory

An extension of BindXelFactory to do a lazy initiating EL expression construction.

Since:

8.0.0

Author:

jumperchen

Field Summary

Fields inherited from class org.zkoss.xel.zel.ELFactory

_expf

Fields inherited from interface org.zkoss.xel.ExpressionFactory

FEATURE_CLASS, FEATURE_FUNCTION

Constructor Summary

Constructors

Constructor	Description
BindXelFactoryEx()

Method Summary

Modifier and Type	Method	Description
protected ELContext	newELContext(XelContext xelc)
protected ExpressionFactory	newExpressionFactory()	Returns the EL expression factory.
Expression	parseExpression(XelContext xelc, java.lang.String expression, java.lang.Class expectedType)	Prepares (a.k.a., compiles) an expression.

Methods inherited from class org.zkoss.xel.zel.ELFactory

evaluate, isSupported

Methods inherited from class java.lang.Object

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

Constructor Detail

BindXelFactoryEx

public BindXelFactoryEx()

Method Detail

newExpressionFactory

protected ExpressionFactory newExpressionFactory()

Description copied from class: ELFactory

Returns the EL expression factory.

Default: Use org.zkoss.zel.impl.ExpressionFactoryImpl.

You might override it to use a different implementation.

Overrides:

newExpressionFactory in class BindXelFactory

parseExpression

public Expression parseExpression(XelContext xelc,
                                  java.lang.String expression,
                                  java.lang.Class expectedType)
                           throws XelException

Description copied from interface: ExpressionFactory

Prepares (a.k.a., compiles) an expression.

Specified by:

parseExpression in interface ExpressionFactory

Overrides:

parseExpression in class BindXelFactory

Parameters:

xelc - the context information to prepare the expression. It can be null, in which case no functions are supported for this invocation.

expression - the expression to be evaluated.

expectedType - the expected type of the result of the evaluation

Throws:

XelException

newELContext

protected ELContext newELContext(XelContext xelc)

Overrides:

newELContext in class BindXelFactory