Package org.apache.el.lang
Class EvaluationContext
java.lang.Object
javax.el.ELContext
org.apache.el.lang.EvaluationContext
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Constructor Summary
ConstructorsConstructorDescriptionEvaluationContext(ELContext elContext, FunctionMapper fnMapper, VariableMapper varMapper) -
Method Summary
Modifier and TypeMethodDescriptionvoidaddEvaluationListener(EvaluationListener listener) Register an EvaluationListener with this ELContext.convertToType(Object obj, Class<?> type) Coerce the supplied object to the requested type.voidenterLambdaScope(Map<String, Object> arguments) Called when starting to evaluate a lambda expression so that the arguments are available to the EL context during evaluation.voidCalled after evaluating a lambda expression to signal that the arguments are no longer required.getContext(Class key) Obtain the context object for the given key.Obtain the list of registered EvaluationListeners.Obtain the ImportHandler for this ELContext, creating one if necessary.getLambdaArgument(String name) Obtain the value of the lambda argument with the given name.booleanisLambdaArgument(String name) Determine if the specified name is recognised as the name of a lambda argument.booleanvoidnotifyAfterEvaluation(String expression) Notify interested listeners that an expression has been evaluated.voidnotifyBeforeEvaluation(String expression) Notify interested listeners that an expression will be evaluated.voidnotifyPropertyResolved(Object base, Object property) Notify interested listeners that a property has been resolved.voidputContext(Class key, Object contextObject) Add an object to this EL context under the given key.voidsetLambdaExpressionNestedState(LambdaExpressionNestedState lambdaExpressionNestedState) voidvoidsetPropertyResolved(boolean resolved) voidsetPropertyResolved(Object base, Object property) Mark the given property as resolved and notify any interested listeners.
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Constructor Details
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EvaluationContext
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Method Details
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getELContext
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getFunctionMapper
- Specified by:
getFunctionMapperin classELContext
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getVariableMapper
- Specified by:
getVariableMapperin classELContext
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getContext
Description copied from class:javax.el.ELContextObtain the context object for the given key.- Overrides:
getContextin classELContext- Parameters:
key- The key of the required context object- Returns:
- The value of the context object associated with the given key
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getELResolver
- Specified by:
getELResolverin classELContext
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isPropertyResolved
public boolean isPropertyResolved()- Overrides:
isPropertyResolvedin classELContext
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putContext
Description copied from class:javax.el.ELContextAdd an object to this EL context under the given key.- Overrides:
putContextin classELContext- Parameters:
key- The key under which to store the objectcontextObject- The object to add
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setPropertyResolved
public void setPropertyResolved(boolean resolved) - Overrides:
setPropertyResolvedin classELContext
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getLocale
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setLocale
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setPropertyResolved
Description copied from class:javax.el.ELContextMark the given property as resolved and notify any interested listeners.- Overrides:
setPropertyResolvedin classELContext- Parameters:
base- The base object on which the property was foundproperty- The property that was resolved
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getImportHandler
Description copied from class:javax.el.ELContextObtain the ImportHandler for this ELContext, creating one if necessary. This method is not thread-safe.- Overrides:
getImportHandlerin classELContext- Returns:
- the ImportHandler for this ELContext.
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addEvaluationListener
Description copied from class:javax.el.ELContextRegister an EvaluationListener with this ELContext.- Overrides:
addEvaluationListenerin classELContext- Parameters:
listener- The EvaluationListener to register
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getEvaluationListeners
Description copied from class:javax.el.ELContextObtain the list of registered EvaluationListeners.- Overrides:
getEvaluationListenersin classELContext- Returns:
- A list of the EvaluationListener registered with this ELContext
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notifyBeforeEvaluation
Description copied from class:javax.el.ELContextNotify interested listeners that an expression will be evaluated.- Overrides:
notifyBeforeEvaluationin classELContext- Parameters:
expression- The expression that will be evaluated
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notifyAfterEvaluation
Description copied from class:javax.el.ELContextNotify interested listeners that an expression has been evaluated.- Overrides:
notifyAfterEvaluationin classELContext- Parameters:
expression- The expression that was evaluated
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notifyPropertyResolved
Description copied from class:javax.el.ELContextNotify interested listeners that a property has been resolved.- Overrides:
notifyPropertyResolvedin classELContext- Parameters:
base- The object on which the property was resolvedproperty- The property that was resolved
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isLambdaArgument
Description copied from class:javax.el.ELContextDetermine if the specified name is recognised as the name of a lambda argument.- Overrides:
isLambdaArgumentin classELContext- Parameters:
name- The name of the lambda argument- Returns:
trueif the name is recognised as the name of a lambda argument, otherwisefalse
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getLambdaArgument
Description copied from class:javax.el.ELContextObtain the value of the lambda argument with the given name.- Overrides:
getLambdaArgumentin classELContext- Parameters:
name- The name of the lambda argument- Returns:
- The value of the specified argument
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enterLambdaScope
Description copied from class:javax.el.ELContextCalled when starting to evaluate a lambda expression so that the arguments are available to the EL context during evaluation.- Overrides:
enterLambdaScopein classELContext- Parameters:
arguments- The arguments in scope for the current lambda expression.
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exitLambdaScope
public void exitLambdaScope()Description copied from class:javax.el.ELContextCalled after evaluating a lambda expression to signal that the arguments are no longer required.- Overrides:
exitLambdaScopein classELContext
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convertToType
Description copied from class:javax.el.ELContextCoerce the supplied object to the requested type.- Overrides:
convertToTypein classELContext- Parameters:
obj- The object to be coercedtype- The type to which the object should be coerced- Returns:
- An instance of the requested type.
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getLambdaExpressionNestedState
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setLambdaExpressionNestedState
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