Package javax.el

Class BeanNameResolver

java.lang.Object
javax.el.BeanNameResolver
public abstract class BeanNameResolver extends Object
Base implementation that provides a minimal default implementation that is intended to be extended by application developers.
Since:
EL 3.0

  • Constructor Details

    • BeanNameResolver

      public BeanNameResolver()

  • Method Details

    • isNameResolved

      public boolean isNameResolved(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 Object getBean(String beanName)
      Returns the named bean.
      Parameters:
      beanName - The bean name to return
      Returns:
      This default implementation always returns null

    • setBeanValue

      public void setBeanValue(String beanName, 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(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(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