org.zkoss.bind.xel.zel
Class BindELResolver

java.lang.Object
  org.zkoss.zel.ELResolver
      org.zkoss.xel.zel.XelELResolver
          org.zkoss.bind.xel.zel.BindELResolver

Direct Known Subclasses:

BindELResolverEx

public class BindELResolver
extends XelELResolver

ELResolver for Binding; handle Form bean.

Since:

6.0.0

Author:

henrichen

Nested Class Summary

Nested classes/interfaces inherited from class org.zkoss.xel.zel.XelELResolver

XelELResolver.StandardBeanNameResolver

Field Summary

protected CompositeELResolver

_resolver

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

_ctx

Fields inherited from class org.zkoss.zel.ELResolver

RESOLVABLE_AT_DESIGN_TIME, TYPE

Constructor Summary

BindELResolver(XelContext ctx)

Method Summary

protected ELResolver	getELResolver()
java.lang.Object	getValue(ELContext ctx, java.lang.Object base, java.lang.Object property)
protected void	init()
java.lang.Object	invoke(ELContext ctx, java.lang.Object base, java.lang.Object method, java.lang.Class[] paramTypes, java.lang.Object[] params) Invokes a method on the the given object.
void	setValue(ELContext ctx, java.lang.Object base, java.lang.Object property, java.lang.Object value)
protected void	tieValue(ELContext elCtx, java.lang.Object base, java.lang.Object property, java.lang.Object value, boolean allownotify)

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

getCommonPropertyType, getFeatureDescriptors, getType, getXelContext, isReadOnly, resolve

Methods inherited from class org.zkoss.zel.ELResolver

convertToType

Methods inherited from class java.lang.Object

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

Field Detail

_resolver

protected CompositeELResolver _resolver

Constructor Detail

BindELResolver

public BindELResolver(XelContext ctx)

Method Detail

init

protected void init()

getELResolver

protected ELResolver getELResolver()

Overrides:

getELResolver in class XelELResolver

getValue

public java.lang.Object getValue(ELContext ctx,
                                 java.lang.Object base,
                                 java.lang.Object property)
                          throws PropertyNotFoundException,
                                 ELException

Overrides:

getValue in class XelELResolver

Parameters:

ctx - The EL context for this evaluation

base - The base object on which the property is to be found

property - The property whose value is to be returned

Returns:

the value of the provided property

Throws:

PropertyNotFoundException - If the base/property combination provided to the resolver is one that the resolver can handle but no match was found or a match was found but was not readable

ELException - Wraps any exception throw whilst resolving the property

invoke

public java.lang.Object invoke(ELContext ctx,
                               java.lang.Object base,
                               java.lang.Object method,
                               java.lang.Class[] paramTypes,
                               java.lang.Object[] params)
                        throws MethodNotFoundException

Description copied from class: ELResolver

Invokes a method on the the given object. This default implementation always returns null.

Overrides:

invoke in class XelELResolver

Parameters:

ctx - The EL context for this evaluation

base - The base object on which the method is to be found

method - The method to invoke

paramTypes - The types of the parameters of the method to invoke

params - The parameters with which to invoke the method

Returns:

Always null

Throws:

MethodNotFoundException

setValue

public void setValue(ELContext ctx,
                     java.lang.Object base,
                     java.lang.Object property,
                     java.lang.Object value)
              throws PropertyNotFoundException,
                     PropertyNotWritableException,
                     ELException

Overrides:

setValue in class XelELResolver

Parameters:

ctx - The EL context for this evaluation

base - The base object on which the property is to be found

property - The property whose value is to be set

value - The value to set the property to

Throws:

PropertyNotFoundException - If the base/property combination provided to the resolver is one that the resolver can handle but no match was found

PropertyNotWritableException - If the base/property combination provided to the resolver is one that the resolver can handle but the property was not writable

ELException - Wraps any exception throw whilst resolving the property

tieValue

protected void tieValue(ELContext elCtx,
                        java.lang.Object base,
                        java.lang.Object property,
                        java.lang.Object value,
                        boolean allownotify)