Package org.apache.jasper.el
Class JasperELResolver
- java.lang.Object
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- jakarta.el.ELResolver
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- jakarta.el.CompositeELResolver
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- org.apache.jasper.el.JasperELResolver
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public class JasperELResolver extends CompositeELResolver
Jasper-specific CompositeELResolver that optimizes certain functions to avoid unnecessary resolver calls.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classJasperELResolver.GraalBeanELResolverExtend ELResolver for Graal to avoid bean info use if possible, as BeanELResolver needs manual reflection configuration.
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Field Summary
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Fields inherited from class jakarta.el.ELResolver
RESOLVABLE_AT_DESIGN_TIME, TYPE
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Constructor Summary
Constructors Constructor Description JasperELResolver(java.util.List<ELResolver> appResolvers, ELResolver streamResolver)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidadd(ELResolver elResolver)java.lang.ObjectgetValue(ELContext context, java.lang.Object base, java.lang.Object property)java.lang.Objectinvoke(ELContext context, java.lang.Object base, java.lang.Object method, java.lang.Class<?>[] paramTypes, java.lang.Object[] params)Invokes a method on the the given object.-
Methods inherited from class jakarta.el.CompositeELResolver
convertToType, getCommonPropertyType, getFeatureDescriptors, getType, isReadOnly, setValue
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Constructor Detail
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JasperELResolver
public JasperELResolver(java.util.List<ELResolver> appResolvers, ELResolver streamResolver)
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Method Detail
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add
public void add(ELResolver elResolver)
- Overrides:
addin classCompositeELResolver
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getValue
public java.lang.Object getValue(ELContext context, java.lang.Object base, java.lang.Object property) throws java.lang.NullPointerException, PropertyNotFoundException, ELException
- Overrides:
getValuein classCompositeELResolver- 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:
java.lang.NullPointerException- If the supplied context isnullPropertyNotFoundException- 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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invoke
public java.lang.Object invoke(ELContext context, java.lang.Object base, java.lang.Object method, java.lang.Class<?>[] paramTypes, java.lang.Object[] params)
Description copied from class:jakarta.el.ELResolverInvokes a method on the the given object. This default implementation always returnsnull.- Overrides:
invokein classCompositeELResolver- 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:
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null
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