Package jakarta.el
Class BeanNameResolver
- java.lang.Object
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- jakarta.el.BeanNameResolver
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public abstract class BeanNameResolver extends java.lang.ObjectBase implementation that provides a minimal default implementation that is intended to be extended by application developers.- Since:
- EL 3.0
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Constructor Summary
Constructors Constructor Description BeanNameResolver()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description booleancanCreateBean(java.lang.String beanName)Is it permitted to create a bean of the given name?java.lang.ObjectgetBean(java.lang.String beanName)Returns the named bean.booleanisNameResolved(java.lang.String beanName)Can this resolver resolve the given bean name?booleanisReadOnly(java.lang.String beanName)Is the named bean read-only?voidsetBeanValue(java.lang.String beanName, java.lang.Object value)Sets a value of a bean of the given name.
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Method Detail
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isNameResolved
public boolean isNameResolved(java.lang.String beanName)
Can this resolver resolve the given bean name?- Parameters:
beanName- The bean name to resolve- Returns:
- This default implementation always returns
false
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getBean
public java.lang.Object getBean(java.lang.String beanName)
Returns the named bean.- Parameters:
beanName- The bean name to return- Returns:
- This default implementation always returns
null
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setBeanValue
public void setBeanValue(java.lang.String beanName, java.lang.Object value) throws PropertyNotWritableExceptionSets a value of a bean of the given name. If the named bean does not exist andcanCreateBean(java.lang.String)returnstruethen a bean is created with the given value.- Parameters:
beanName- The name of the bean to be set/createvalue- The value of the bean to set/create- Throws:
PropertyNotWritableException- if the bean is read only
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isReadOnly
public boolean isReadOnly(java.lang.String beanName)
Is the named bean read-only?- Parameters:
beanName- The name of the bean of interest- Returns:
trueif the bean is read only, otherwisefalse
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canCreateBean
public boolean canCreateBean(java.lang.String beanName)
Is it permitted to create a bean of the given name?- Parameters:
beanName- The name of the bean of interest- Returns:
trueif the bean may be created, otherwisefalse
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