EvaluationContext (Apache Tomcat 8.0.15 API Documentation)

java.lang.Object
- javax.el.ELContext
- - org.apache.el.lang.EvaluationContext

public final class EvaluationContext
extends ELContext

Constructor Summary

Constructors
Constructor and Description

EvaluationContext(ELContext elContext, FunctionMapper fnMapper, VariableMapper varMapper)

Constructors
Constructor and Description
`EvaluationContext(ELContext elContext, FunctionMapper fnMapper, VariableMapper varMapper)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addEvaluationListener(EvaluationListener listener)` Register an EvaluationListener with this ELContext.
`Object`	`convertToType(Object obj, Class<?> type)` Coerce the supplied object to the requested type.
`void`	`enterLambdaScope(Map<String,Object> arguments)` Called when starting to evaluate a lambda expression so that the arguments are available to the EL context during evaluation.
`void`	`exitLambdaScope()` Called after evaluating a lambda expression to signal that the arguments are no longer required.
`Object`	`getContext(Class key)` Obtain the context object for the given key.
`ELContext`	`getELContext()`
`ELResolver`	`getELResolver()`
`List<EvaluationListener>`	`getEvaluationListeners()` Obtain the list of registered EvaluationListeners.
`FunctionMapper`	`getFunctionMapper()`
`ImportHandler`	`getImportHandler()` Obtain the ImportHandler for this ELContext, creating one if necessary.
`Object`	`getLambdaArgument(String name)` Obtain the value of the lambda argument with the given name.
`Locale`	`getLocale()`
`VariableMapper`	`getVariableMapper()`
`boolean`	`isLambdaArgument(String name)` Determine if the specified name is recognised as the name of a lambda argument.
`boolean`	`isPropertyResolved()`
`void`	`notifyAfterEvaluation(String expression)` Notify interested listeners that an expression has been evaluated.
`void`	`notifyBeforeEvaluation(String expression)` Notify interested listeners that an expression will be evaluated.
`void`	`notifyPropertyResolved(Object base, Object property)` Notify interested listeners that a property has been resolved.
`void`	`putContext(Class key, Object contextObject)` Add an object to this EL context under the given key.
`void`	`setLocale(Locale locale)`
`void`	`setPropertyResolved(boolean resolved)`
`void`	`setPropertyResolved(Object base, Object property)` Mark the given property as resolved and notfy any interested listeners.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - EvaluationContext
```
public EvaluationContext(ELContext elContext,
                 FunctionMapper fnMapper,
                 VariableMapper varMapper)
```
- Method Detail
  - getELContext
```
public ELContext getELContext()
```
  - getFunctionMapper
```
public FunctionMapper getFunctionMapper()
```
    Specified by:
    
    getFunctionMapper in class ELContext
  - getVariableMapper
```
public VariableMapper getVariableMapper()
```
    Specified by:
    
    getVariableMapper in class ELContext
  - getContext
```
public Object getContext(Class key)
```
    Description copied from class: javax.el.ELContext
    
    Obtain the context object for the given key.
    
    Overrides:
    
    getContext in class ELContext
    
    Parameters:
    key - The key of the required context object
    
    Returns:
    The value of the context object associated with the given key
  - getELResolver
```
public ELResolver getELResolver()
```
    Specified by:
    
    getELResolver in class ELContext
  - isPropertyResolved
```
public boolean isPropertyResolved()
```
    Overrides:
    
    isPropertyResolved in class ELContext
  - putContext
```
public void putContext(Class key,
              Object contextObject)
```
    Description copied from class: javax.el.ELContext
    
    Add an object to this EL context under the given key.
    
    Overrides:
    
    putContext in class ELContext
    
    Parameters:
    key - The key under which to store the object
    contextObject - The object to add
  - setPropertyResolved
```
public void setPropertyResolved(boolean resolved)
```
    Overrides:
    
    setPropertyResolved in class ELContext
  - getLocale
```
public Locale getLocale()
```
    Overrides:
    
    getLocale in class ELContext
  - setLocale
```
public void setLocale(Locale locale)
```
    Overrides:
    
    setLocale in class ELContext
  - setPropertyResolved
```
public void setPropertyResolved(Object base,
                       Object property)
```
    Description copied from class: javax.el.ELContext
    
    Mark the given property as resolved and notfy any interested listeners.
    
    Overrides:
    
    setPropertyResolved in class ELContext
    
    Parameters:
    base - The base object on which the property was found
    property - The property that was resolved
  - getImportHandler
```
public ImportHandler getImportHandler()
```
    Description copied from class: javax.el.ELContext
    
    Obtain the ImportHandler for this ELContext, creating one if necessary. This method is not thread-safe.
    
    Overrides:
    
    getImportHandler in class ELContext
    
    Returns:
    the ImportHandler for this ELContext.
  - addEvaluationListener
```
public void addEvaluationListener(EvaluationListener listener)
```
    Description copied from class: javax.el.ELContext
    
    Register an EvaluationListener with this ELContext.
    
    Overrides:
    
    addEvaluationListener in class ELContext
    
    Parameters:
    listener - The EvaluationListener to register
  - getEvaluationListeners
```
public List<EvaluationListener> getEvaluationListeners()
```
    Description copied from class: javax.el.ELContext
    
    Obtain the list of registered EvaluationListeners.
    
    Overrides:
    
    getEvaluationListeners in class ELContext
    
    Returns:
    A list of the EvaluationListener registered with this ELContext
  - notifyBeforeEvaluation
```
public void notifyBeforeEvaluation(String expression)
```
    Description copied from class: javax.el.ELContext
    
    Notify interested listeners that an expression will be evaluated.
    
    Overrides:
    
    notifyBeforeEvaluation in class ELContext
    
    Parameters:
    expression - The expression that will be evaluated
  - notifyAfterEvaluation
```
public void notifyAfterEvaluation(String expression)
```
    Description copied from class: javax.el.ELContext
    
    Notify interested listeners that an expression has been evaluated.
    
    Overrides:
    
    notifyAfterEvaluation in class ELContext
    
    Parameters:
    expression - The expression that was evaluated
  - notifyPropertyResolved
```
public void notifyPropertyResolved(Object base,
                          Object property)
```
    Description copied from class: javax.el.ELContext
    
    Notify interested listeners that a property has been resolved.
    
    Overrides:
    
    notifyPropertyResolved in class ELContext
    
    Parameters:
    base - The object on which the property was resolved
    property - The property that was resolved
  - isLambdaArgument
```
public boolean isLambdaArgument(String name)
```
    Description copied from class: javax.el.ELContext
    
    Determine if the specified name is recognised as the name of a lambda argument.
    
    Overrides:
    
    isLambdaArgument in class ELContext
    
    Parameters:
    name - The name of the lambda argument
    
    Returns:
    true if the name is recognised as the name of a lambda argument, otherwise false
  - getLambdaArgument
```
public Object getLambdaArgument(String name)
```
    Description copied from class: javax.el.ELContext
    
    Obtain the value of the lambda argument with the given name.
    
    Overrides:
    
    getLambdaArgument in class ELContext
    
    Parameters:
    name - The name of the lambda argument
    
    Returns:
    The value of the specified argument
  - enterLambdaScope
```
public void enterLambdaScope(Map<String,Object> arguments)
```
    Description copied from class: javax.el.ELContext
    
    Called when starting to evaluate a lambda expression so that the arguments are available to the EL context during evaluation.
    
    Overrides:
    
    enterLambdaScope in class ELContext
    
    Parameters:
    arguments - The arguments in scope for the current lambda expression.
  - exitLambdaScope
```
public void exitLambdaScope()
```
    Description copied from class: javax.el.ELContext
    
    Called after evaluating a lambda expression to signal that the arguments are no longer required.
    
    Overrides:
    
    exitLambdaScope in class ELContext
  - convertToType
```
public Object convertToType(Object obj,
                   Class<?> type)
```
    Description copied from class: javax.el.ELContext
    
    Coerce the supplied object to the requested type.
    
    Overrides:
    
    convertToType in class ELContext
    
    Parameters:
    obj - The object to be coerced
    type - The type to which the object should be coerced
    
    Returns:
    An instance of the requested type.

Class EvaluationContext

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

EvaluationContext

Method Detail

getELContext

getFunctionMapper

getVariableMapper

getContext

getELResolver

isPropertyResolved

putContext

setPropertyResolved

getLocale

setLocale

setPropertyResolved

getImportHandler

addEvaluationListener

getEvaluationListeners

notifyBeforeEvaluation

notifyAfterEvaluation

notifyPropertyResolved

isLambdaArgument

getLambdaArgument

enterLambdaScope

exitLambdaScope

convertToType