Uses of Class
javax.el.ELContext
Packages that use ELContext
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Uses of ELContext in javax.el
Modifier and TypeClassDescriptionclass
A standard ELContext suitable for use in a stand alone environment.Modifier and TypeFieldDescription(package private) ELContext
CompositeELResolver.CompositeIterator.context
private ELContext
LambdaExpression.context
private ELContext
StandardELContext.delegate
Modifier and TypeMethodDescriptionELContextEvent.getELContext()
Returns theELContext
that was created.ELManager.setELContext
(ELContext context) Set the ELContext used for parsing and evaluating Jakarta Expression Language expressions.Modifier and TypeMethodDescriptionvoid
EvaluationListener.afterEvaluation
(ELContext context, String expression) Receives notification after a Jakarta Expression Language expression is evaluatedvoid
EvaluationListener.beforeEvaluation
(ELContext context, String expression) Receives notification before a Jakarta Expression Language expression is evaluated(package private) static Object[]
ELUtil.buildParameters
(ELContext context, Class<?>[] parameterTypes, boolean isVarArgs, Object[] params) CompositeELResolver.convertToType
(ELContext context, Object obj, Class<?> targetType) Converts an object to a specific type.ELResolver.convertToType
(ELContext context, Object obj, Class<?> targetType) Converts an object to a specific type.abstract Object
TypeConverter.convertToType
(ELContext context, Object obj, Class<?> targetType) Converts an object to a specific type.abstract MethodExpression
ExpressionFactory.createMethodExpression
(ELContext context, String expression, Class<?> expectedReturnType, Class<?>[] expectedParamTypes) Parses an expression into aMethodExpression
for later evaluation.abstract ValueExpression
ExpressionFactory.createValueExpression
(ELContext context, String expression, Class<?> expectedType) Parses an expression into aValueExpression
for later evaluation.private BeanELResolver.BeanProperty
BeanELResolver.getBeanProperty
(ELContext context, Object base, Object prop) Class
<?> ArrayELResolver.getCommonPropertyType
(ELContext context, Object base) If the base object is a Java language array, returns the most general type that this resolver accepts for theproperty
argument.Class
<?> BeanELResolver.getCommonPropertyType
(ELContext context, Object base) If the base object is notnull
, returns the most general type that this resolver accepts for theproperty
argument.Class
<?> BeanNameELResolver.getCommonPropertyType
(ELContext context, Object base) Always returnsString.class
, since a bean name is a String.Class
<?> CompositeELResolver.getCommonPropertyType
(ELContext context, Object base) Returns the most general type that this resolver accepts for theproperty
argument, given abase
object.abstract Class
<?> ELResolver.getCommonPropertyType
(ELContext context, Object base) Returns the most general type that this resolver accepts for theproperty
argument, given abase
object.Class
<?> ListELResolver.getCommonPropertyType
(ELContext context, Object base) If the base object is a list, returns the most general type that this resolver accepts for theproperty
argument.Class
<?> MapELResolver.getCommonPropertyType
(ELContext context, Object base) If the base object is a map, returns the most general type that this resolver accepts for theproperty
argument.Class
<?> ResourceBundleELResolver.getCommonPropertyType
(ELContext context, Object base) If the base object is a ResourceBundle, returns the most general type that this resolver accepts for theproperty
argument.Class
<?> StaticFieldELResolver.getCommonPropertyType
(ELContext context, Object base) Returns the type of the property.Class
<?> TypeConverter.getCommonPropertyType
(ELContext context, Object base) static String
ELUtil.getExceptionMessageString
(ELContext context, String messageId) Convenience method, calls through to getExceptionMessageString(ELContext,java.lang.String,Object []).static String
ELUtil.getExceptionMessageString
(ELContext context, String messageId, Object[] params) ArrayELResolver.getFeatureDescriptors
(ELContext context, Object base) Always returnsnull
, since there is no reason to iterate through set set of all integers.BeanELResolver.getFeatureDescriptors
(ELContext context, Object base) If the base object is notnull
, returns anIterator
containing the set of JavaBeans properties available on the given object.BeanNameELResolver.getFeatureDescriptors
(ELContext context, Object base) Always returnsnull
, since there is no reason to iterate through a list of one element: bean name.CompositeELResolver.getFeatureDescriptors
(ELContext context, Object base) Returns information about the set of variables or properties that can be resolved for the givenbase
object.abstract Iterator
<FeatureDescriptor> ELResolver.getFeatureDescriptors
(ELContext context, Object base) Returns information about the set of variables or properties that can be resolved for the givenbase
object.ListELResolver.getFeatureDescriptors
(ELContext context, Object base) Always returnsnull
, since there is no reason to iterate through set set of all integers.MapELResolver.getFeatureDescriptors
(ELContext context, Object base) If the base object is a map, returns anIterator
containing the set of keys available in theMap
.ResourceBundleELResolver.getFeatureDescriptors
(ELContext context, Object base) If the base object is a ResourceBundle, returns anIterator
containing the set of keys available in theResourceBundle
.StaticFieldELResolver.getFeatureDescriptors
(ELContext context, Object base) Returns the properties that can be resolved.TypeConverter.getFeatureDescriptors
(ELContext context, Object base) abstract MethodInfo
MethodExpression.getMethodInfo
(ELContext context) Evaluates the expression relative to the provided context, and returns information about the actual referenced method.Class
<?> If the base object is an array, returns the most general acceptable type for a value in this array.Class
<?> If the base object is notnull
, returns the most general acceptable type that can be set on this bean property.Class
<?> If the base is null and the property is a name resolvable by the BeanNameResolver, return the type of the bean.Class
<?> For a givenbase
andproperty
, attempts to identify the most general type that is acceptable for an object to be passed as thevalue
parameter in a future call to theCompositeELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
method.abstract Class
<?> For a givenbase
andproperty
, attempts to identify the most general type that is acceptable for an object to be passed as thevalue
parameter in a future call to theELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
method.Class
<?> If the base object is a list, returns the most general acceptable type for a value in this list.Class
<?> If the base object is a map, returns the most general acceptable type for a value in this map.Class
<?> If the base object is an instance ofResourceBundle
, returnnull
, since the resolver is read only.Class
<?> Returns the type of a static field.Class
<?> abstract Class
<?> Evaluates the expression relative to the provided context, and returns the most general type that is acceptable for an object to be passed as thevalue
parameter in a future call to theValueExpression.setValue(javax.el.ELContext, java.lang.Object)
method.If the base object is a Java language array, returns the value at the given index.If the base object is notnull
, returns the current value of the given property on this bean.If the base object isnull
and the property is a name that is resolvable by the BeanNameResolver, returns the value resolved by the BeanNameResolver.Attempts to resolve the givenproperty
object on the givenbase
object by querying all component resolvers.abstract Object
Attempts to resolve the givenproperty
object on the givenbase
object.If the base object is a list, returns the value at the given index.If the base object is a map, returns the value associated with the given key, as specified by theproperty
argument.If the base object is an instance ofResourceBundle
, the provided property will first be coerced to aString
.Returns the value of a static field.abstract Object
Evaluates the expression relative to the provided context, and returns the resulting value.ValueExpression.getValueReference
(ELContext context) Returns aValueReference
for this expression instance.BeanELResolver.invoke
(ELContext context, Object base, Object methodName, Class<?>[] paramTypes, Object[] params) If the base object is notnull
, invoke the method, with the given parameters on this bean.CompositeELResolver.invoke
(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params) Attempts to resolve and invoke the givenmethod
on the givenbase
object by querying all component resolvers.ELResolver.invoke
(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params) Attempts to resolve and invoke the givenmethod
on the givenbase
object.Invoke the encapsulated Lambda expression.abstract Object
If a String literal is specified as the expression, returns the String literal coerced to the expected return type of the method signature.StaticFieldELResolver.invoke
(ELContext context, Object base, Object methodName, Class<?>[] paramTypes, Object[] params) Invokes a public static method or the constructor for a class.(package private) static Object
ELUtil.invokeConstructor
(ELContext context, Constructor<?> constructor, Object[] params) (package private) static Object
ELUtil.invokeMethod
(ELContext context, Method method, Object base, Object[] params) boolean
ArrayELResolver.isReadOnly
(ELContext context, Object base, Object property) If the base object is a Java language array, returns whether a call toArrayELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
will always fail.boolean
BeanELResolver.isReadOnly
(ELContext context, Object base, Object property) If the base object is notnull
, returns whether a call toBeanELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
will always fail.boolean
BeanNameELResolver.isReadOnly
(ELContext context, Object base, Object property) If the base is null and the property is a name resolvable by the BeanNameResolver, attempts to determine if the bean is writable.boolean
CompositeELResolver.isReadOnly
(ELContext context, Object base, Object property) For a givenbase
andproperty
, attempts to determine whether a call toCompositeELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
will always fail.abstract boolean
ELResolver.isReadOnly
(ELContext context, Object base, Object property) For a givenbase
andproperty
, attempts to determine whether a call toELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
will always fail.boolean
ListELResolver.isReadOnly
(ELContext context, Object base, Object property) If the base object is a list, returns whether a call toListELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
will always fail.boolean
MapELResolver.isReadOnly
(ELContext context, Object base, Object property) If the base object is a map, returns whether a call toMapELResolver.setValue(javax.el.ELContext, java.lang.Object, java.lang.Object, java.lang.Object)
will always fail.boolean
ResourceBundleELResolver.isReadOnly
(ELContext context, Object base, Object property) boolean
StaticFieldELResolver.isReadOnly
(ELContext context, Object base, Object property) Inquires whether the static field is writable.boolean
TypeConverter.isReadOnly
(ELContext context, Object base, Object property) abstract boolean
ValueExpression.isReadOnly
(ELContext context) Evaluates the expression relative to the provided context, and returnstrue
if a call toValueExpression.setValue(javax.el.ELContext, java.lang.Object)
will always fail.void
EvaluationListener.propertyResolved
(ELContext context, Object base, Object property) Receives notification when the (base, property) pair is resolvedELManager.setELContext
(ELContext context) Set the ELContext used for parsing and evaluating Jakarta Expression Language expressions.void
LambdaExpression.setELContext
(ELContext context) Set the ELContext to use in evaluating the LambdaExpression.void
If the base object is a Java language array, attempts to set the value at the given index with the given value.void
If the base object is notnull
, attempts to set the value of the given property on this bean.void
If the base is null and the property is a name that is resolvable by the BeanNameResolver, the bean in the BeanNameResolver is set to the given value.void
Attempts to set the value of the givenproperty
object on the givenbase
object.abstract void
Attempts to set the value of the givenproperty
object on the givenbase
object.void
If the base object is a list, attempts to set the value at the given index with the given value.void
If the base object is a map, attempts to set the value associated with the given key, as specified by theproperty
argument.void
If the base object is a ResourceBundle, throw aPropertyNotWritableException
.void
Attempts to write to a static field.void
abstract void
Evaluates the expression relative to the provided context, and sets the result to the provided value.ModifierConstructorDescription(package private)
CompositeIterator
(ELResolver[] resolvers, int size, ELContext context, Object base) ELContextEvent
(ELContext source) Constructs an ELContextEvent object to indicate that anELContext
has been created.StandardELContext
(ELContext context) Construct a StandardELContext from another ELContext.