Package jakarta.servlet.jsp.el

Class NotFoundELResolver

java.lang.Object

jakarta.el.ELResolver

jakarta.servlet.jsp.el.NotFoundELResolver

public class NotFoundELResolver
extends ELResolver

Defines variable resolution when all other resolvers fail.

Since:

JSP 3.1

Field Summary

Fields inherited from class jakarta.el.ELResolver

RESOLVABLE_AT_DESIGN_TIME, TYPE

Constructor Summary

Constructors

Constructor	Description
NotFoundELResolver()

Method Summary

Modifier and Type	Method	Description
Class<String>	getCommonPropertyType(ELContext context, Object base)	Always returns null since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.getCommonPropertyType(ELContext, Object).
Class<Object>	getType(ELContext context, Object base, Object property)	Always returns null since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.getType(ELContext, Object, Object).
Object	getValue(ELContext context, Object base, Object property)	Always returns null since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.getValue(ELContext, Object, Object).
boolean	isReadOnly(ELContext context, Object base, Object property)	Always returns false since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.isReadOnly(ELContext, Object, Object).
void	setValue(ELContext context, Object base, Object property, Object val)	Always a NO-OP since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.setValue(ELContext, Object, Object, Object).

Methods inherited from class jakarta.el.ELResolver

convertToType, getFeatureDescriptors, invoke

Methods inherited from class java.lang.Object

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

Constructor Detail

NotFoundELResolver

public NotFoundELResolver()

Method Detail

getValue

public Object getValue(ELContext context,
                       Object base,
                       Object property)

Always returns null since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.getValue(ELContext, Object, Object).

The propertyResolved property of the ELContext object is always set to true by this resolver before returning.

Specified by:

getValue in class ELResolver

Parameters:

context - The context of this evaluation.

base - Ignored

property - Ignored

Returns:

Always null

Throws:

NullPointerException - if context is null

PropertyNotFoundException - If the provided context contains a Boolean object with value Boolean.TRUE as the value associated with the key jakarta.servlet.jsp.el.NotFoundELResolver.class. This is to support implementation of the errorOnELNotFound page/tag directive.

ELException - if an exception was thrown while performing the property or variable resolution. The thrown exception must be included as the cause property of this exception, if available.

getType

public Class<Object> getType(ELContext context,
                             Object base,
                             Object property)

Always returns null since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.getType(ELContext, Object, Object).

Specified by:

getType in class ELResolver

Parameters:

context - The context of this evaluation.

base - Ignored

property - Ignored

Returns:

Always null

Throws:

NullPointerException - if context is null

ELException - if an exception was thrown while performing the property or variable resolution. The thrown exception must be included as the cause property of this exception, if available.

setValue

public void setValue(ELContext context,
                     Object base,
                     Object property,
                     Object val)

Always a NO-OP since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.setValue(ELContext, Object, Object, Object).

Specified by:

setValue in class ELResolver

Parameters:

context - The context of this evaluation.

base - Ignored

property - Ignored

val - Ignored

Throws:

NullPointerException - if context is null.

ELException - if an exception was thrown while performing the property or variable resolution. The thrown exception must be included as the cause property of this exception, if available.

isReadOnly

public boolean isReadOnly(ELContext context,
                          Object base,
                          Object property)

Always returns false since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.isReadOnly(ELContext, Object, Object).

Specified by:

isReadOnly in class ELResolver

Parameters:

context - The context of this evaluation.

base - Ignored

property - Ignored

Returns:

Always false

Throws:

NullPointerException - if context is null.

ELException - if an exception was thrown while performing the property or variable resolution. The thrown exception must be included as the cause property of this exception, if available.

getCommonPropertyType

public Class<String> getCommonPropertyType(ELContext context,
                                           Object base)

Always returns null since in normal usage ScopedAttributeELResolver will handle calls to ELResolver.getCommonPropertyType(ELContext, Object).

Specified by:

getCommonPropertyType in class ELResolver

Parameters:

context - Ignored

base - Ignored

Returns:

Always null