Package javax.el
Class BeanELResolver
- java.lang.Object
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- javax.el.ELResolver
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- javax.el.BeanELResolver
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public class BeanELResolver extends ELResolver
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Field Summary
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Fields inherited from class javax.el.ELResolver
RESOLVABLE_AT_DESIGN_TIME, TYPE
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Constructor Summary
Constructors Constructor Description BeanELResolver()
BeanELResolver(boolean readOnly)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Class<?>
getCommonPropertyType(ELContext context, Object base)
Iterator<FeatureDescriptor>
getFeatureDescriptors(ELContext context, Object base)
Class<?>
getType(ELContext context, Object base, Object property)
Object
getValue(ELContext context, Object base, Object property)
Object
invoke(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params)
Invokes a method on the the given object.boolean
isReadOnly(ELContext context, Object base, Object property)
void
setValue(ELContext context, Object base, Object property, Object value)
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Method Detail
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getType
public Class<?> getType(ELContext context, Object base, Object property)
- Specified by:
getType
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property whose type is to be returned- Returns:
- the type of the provided property
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getValue
public Object getValue(ELContext context, Object base, Object property)
- Specified by:
getValue
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property whose value is to be returned- Returns:
- the value of the provided property
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setValue
public void setValue(ELContext context, Object base, Object property, Object value)
- Specified by:
setValue
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property whose value is to be setvalue
- The value to set the property to
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invoke
public Object invoke(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params)
Description copied from class:ELResolver
Invokes a method on the the given object. This default implementation always returnsnull
.- Overrides:
invoke
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the method is to be foundmethod
- The method to invokeparamTypes
- The types of the parameters of the method to invokeparams
- The parameters with which to invoke the method- Returns:
- Always
null
- Since:
- EL 2.2
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isReadOnly
public boolean isReadOnly(ELContext context, Object base, Object property)
- Specified by:
isReadOnly
in classELResolver
- Parameters:
context
- The EL context for this evaluationbase
- The base object on which the property is to be foundproperty
- The property to be checked for read only status- Returns:
true
if the identified property is read only, otherwisefalse
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getFeatureDescriptors
public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object base)
- Specified by:
getFeatureDescriptors
in classELResolver
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getCommonPropertyType
public Class<?> getCommonPropertyType(ELContext context, Object base)
- Specified by:
getCommonPropertyType
in classELResolver
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