Package jakarta.el

## Class BeanNameResolver

- java.lang.Object
- - jakarta.el.BeanNameResolver

    public abstract class BeanNameResolver
    extends java.lang.Object

Base implementation that provides a minimal default implementation that is intended to be extended by application developers.

Since:
  EL 3.0

### Constructor Summary

Constructors
`BeanNameResolver()`

### Method Summary

All Methods Instance Methods Concrete Methods
`boolean` `canCreateBean​(java.lang.String beanName)` Is it permitted to create a bean of the given name?
`java.lang.Object` `getBean​(java.lang.String beanName)` Returns the named bean.
`boolean` `isNameResolved​(java.lang.String beanName)` Can this resolver resolve the given bean name?
`boolean` `isReadOnly​(java.lang.String beanName)` Is the named bean read-only?
`void` `setBeanValue​(java.lang.String beanName, java.lang.Object value)` Sets a value of a bean of the given name.

### Methods inherited from class java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

### Constructor Detail

#### BeanNameResolver

    public BeanNameResolver()

### Method Detail

#### 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`

#### 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`

#### setBeanValue

    public void setBeanValue​(java.lang.String beanName,
                             java.lang.Object value)
                      throws PropertyNotWritableException

Sets a value of a bean of the given name. If the named bean does not exist and `canCreateBean(java.lang.String)` returns `true` then a bean is created with the given value.

Parameters:
  `beanName` - The name of the bean to be set/create
  `value` - The value of the bean to set/create
Throws:
  `PropertyNotWritableException` - if the bean is read only

#### isReadOnly

    public boolean isReadOnly​(java.lang.String beanName)

Is the named bean read-only?

Parameters:
  `beanName` - The name of the bean of interest
Returns:
  `true` if the bean is read only, otherwise `false`

#### 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:
  `true` if the bean may be created, otherwise `false`