Package javax.servlet.jsp.el
Class ScopedAttributeELResolver
- java.lang.Object
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- javax.el.ELResolver
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- javax.servlet.jsp.el.ScopedAttributeELResolver
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public class ScopedAttributeELResolver extends ELResolver
- Since:
- 2.1
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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 ScopedAttributeELResolver()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Class<String>
getCommonPropertyType(ELContext context, Object base)
Iterator<FeatureDescriptor>
getFeatureDescriptors(ELContext context, Object base)
Class<Object>
getType(ELContext context, Object base, Object property)
Object
getValue(ELContext context, Object base, Object property)
boolean
isReadOnly(ELContext context, Object base, Object property)
void
setValue(ELContext context, Object base, Object property, Object value)
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Methods inherited from class javax.el.ELResolver
invoke
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Method Detail
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getValue
public Object getValue(ELContext context, Object base, Object property) throws NullPointerException, PropertyNotFoundException, ELException
- 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
- Throws:
NullPointerException
- If the supplied context isnull
PropertyNotFoundException
- If the base/property combination provided to the resolver is one that the resolver can handle but no match was found or a match was found but was not readableELException
- Wraps any exception throw whilst resolving the property
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getType
public Class<Object> getType(ELContext context, Object base, Object property) throws NullPointerException, PropertyNotFoundException, ELException
- 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
- Throws:
NullPointerException
- If the supplied context isnull
PropertyNotFoundException
- If the base/property combination provided to the resolver is one that the resolver can handle but no match was found or a match was found but was not readableELException
- Wraps any exception throw whilst resolving the property
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setValue
public void setValue(ELContext context, Object base, Object property, Object value) throws NullPointerException, PropertyNotFoundException, PropertyNotWritableException, ELException
- 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- Throws:
NullPointerException
- If the supplied context isnull
PropertyNotFoundException
- If the base/property combination provided to the resolver is one that the resolver can handle but no match was foundPropertyNotWritableException
- If the base/property combination provided to the resolver is one that the resolver can handle but the property was not writableELException
- Wraps any exception throw whilst resolving the property
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isReadOnly
public boolean isReadOnly(ELContext context, Object base, Object property) throws NullPointerException, PropertyNotFoundException, ELException
- 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
- Throws:
NullPointerException
- If the supplied context isnull
PropertyNotFoundException
- If the base/property combination provided to the resolver is one that the resolver can handle but no match was foundELException
- Wraps any exception throw whilst resolving the property
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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<String> getCommonPropertyType(ELContext context, Object base)
- Specified by:
getCommonPropertyType
in classELResolver
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