Package org.zkoss.bind.xel.zel

Class ValidationMessagesELResolver

java.lang.Object

org.zkoss.zel.ELResolver

org.zkoss.bind.xel.zel.ValidationMessagesELResolver

public class ValidationMessagesELResolver
extends ELResolver

ELResolver for ValidationMessages. It doesn't handle vmsgs.texts[...]. To use vmsgs.texts[...] you could use org.zkoss.zkmax.bind.impl.ValidationMessageELResolver

Since:

6.0.1

Author:

dennis

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	ValidationMessagesELResolver.AbstractValueResolver
protected static interface	ValidationMessagesELResolver.ValueResolver

Field Summary

Fields inherited from class org.zkoss.zel.ELResolver

RESOLVABLE_AT_DESIGN_TIME, TYPE

Constructor Summary

Constructors

Constructor	Description
ValidationMessagesELResolver()

Method Summary

Modifier and Type	Method	Description
java.lang.Class<?>	getCommonPropertyType(ELContext context, java.lang.Object base)
java.util.Iterator<java.beans.FeatureDescriptor>	getFeatureDescriptors(ELContext context, java.lang.Object base)
java.lang.Class<?>	getType(ELContext context, java.lang.Object base, java.lang.Object property)
java.lang.Object	getValue(ELContext context, java.lang.Object base, java.lang.Object property)
protected java.lang.Object	handleTexts(ValidationMessages base, int numOfKids)
boolean	isReadOnly(ELContext context, java.lang.Object base, java.lang.Object property)
void	setValue(ELContext context, java.lang.Object base, java.lang.Object property, java.lang.Object value)

Methods inherited from class org.zkoss.zel.ELResolver

convertToType, invoke

Methods inherited from class java.lang.Object

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

Constructor Detail

ValidationMessagesELResolver

public ValidationMessagesELResolver()

Method Detail

getValue

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

Specified by:

getValue in class ELResolver

Parameters:

context - 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:

java.lang.NullPointerException - If the supplied context is null

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

getType

public java.lang.Class<?> getType(ELContext context,
                                  java.lang.Object base,
                                  java.lang.Object property)
                           throws java.lang.NullPointerException,
                                  PropertyNotFoundException,
                                  ELException

Specified by:

getType in class ELResolver

Parameters:

context - The EL context for this evaluation

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

property - The property whose type is to be returned

Returns:

the type of the provided property

Throws:

java.lang.NullPointerException - If the supplied context is null

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

setValue

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

Specified by:

setValue in class ELResolver

Parameters:

context - 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:

java.lang.NullPointerException - If the supplied context is null

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

isReadOnly

public boolean isReadOnly(ELContext context,
                          java.lang.Object base,
                          java.lang.Object property)
                   throws java.lang.NullPointerException,
                          PropertyNotFoundException,
                          ELException

Specified by:

isReadOnly in class ELResolver

Parameters:

context - The EL context for this evaluation

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

property - The property to be checked for read only status

Returns:

true if the identified property is read only, otherwise false

Throws:

java.lang.NullPointerException - If the supplied context is null

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

ELException - Wraps any exception throw whilst resolving the property

getFeatureDescriptors

public java.util.Iterator<java.beans.FeatureDescriptor> getFeatureDescriptors(ELContext context,
                                                                              java.lang.Object base)

Specified by:

getFeatureDescriptors in class ELResolver

getCommonPropertyType

public java.lang.Class<?> getCommonPropertyType(ELContext context,
                                                java.lang.Object base)

Specified by:

getCommonPropertyType in class ELResolver

handleTexts

protected java.lang.Object handleTexts(ValidationMessages base,
                                       int numOfKids)