Package jakarta.el

Class 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

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      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