javax.el
Class ELResolver

java.lang.Object
  javax.el.ELResolver

Direct Known Subclasses:

ArrayELResolver, BeanELResolver, CompositeELResolver, ListELResolver, MapELResolver, ResourceBundleELResolver

public abstract class ELResolver
extends java.lang.Object

Author:

Jacob Hookom [jacob/hookom.net]

Field Summary

static java.lang.String	RESOLVABLE_AT_DESIGN_TIME
static java.lang.String	TYPE

Constructor Summary

ELResolver()

Method Summary

abstract java.lang.Class<?>	getCommonPropertyType(ELContext context, java.lang.Object base)
abstract java.util.Iterator<java.beans.FeatureDescriptor>	getFeatureDescriptors(ELContext context, java.lang.Object base)
abstract java.lang.Class<?>	getType(ELContext context, java.lang.Object base, java.lang.Object property)
abstract java.lang.Object	getValue(ELContext context, java.lang.Object base, java.lang.Object property)
java.lang.Object	invoke(ELContext context, java.lang.Object base, java.lang.Object method, java.lang.Class<?>[] paramTypes, java.lang.Object[] params)
abstract boolean	isReadOnly(ELContext context, java.lang.Object base, java.lang.Object property)
abstract void	setValue(ELContext context, java.lang.Object base, java.lang.Object property, java.lang.Object value)

Methods inherited from class java.lang.Object

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

Field Detail

RESOLVABLE_AT_DESIGN_TIME

public static final java.lang.String RESOLVABLE_AT_DESIGN_TIME

See Also:

Constant Field Values

TYPE

public static final java.lang.String TYPE

See Also:

Constant Field Values

Constructor Detail

ELResolver

public ELResolver()

Method Detail

getValue

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

Throws:

java.lang.NullPointerException

PropertyNotFoundException

ELException

getType

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

Throws:

java.lang.NullPointerException

PropertyNotFoundException

ELException

setValue

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

Throws:

java.lang.NullPointerException

PropertyNotFoundException

PropertyNotWritableException

ELException

isReadOnly

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

Throws:

java.lang.NullPointerException

PropertyNotFoundException

ELException

getFeatureDescriptors

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

getCommonPropertyType

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

invoke

public java.lang.Object invoke(ELContext context,
                               java.lang.Object base,
                               java.lang.Object method,
                               java.lang.Class<?>[] paramTypes,
                               java.lang.Object[] params)

Since:

EL 2.2