Package ognl

Interface MemberAccess

  • All Known Implementing Classes:
    AbstractMemberAccess
    public interface MemberAccess
    This interface provides a hook for preparing for accessing members of objects. The Java2 version of this method can allow access to otherwise inaccessable members, such as private fields.
    Version:
    15 October 1999

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      boolean isAccessible​(java.util.Map context, java.lang.Object target, java.lang.reflect.Member member, java.lang.String propertyName)
      Returns true if the given member is accessible or can be made accessible by this object.
      void restore​(java.util.Map context, java.lang.Object target, java.lang.reflect.Member member, java.lang.String propertyName, java.lang.Object state)
      Restores the member from the previous setup call.
      java.lang.Object setup​(java.util.Map context, java.lang.Object target, java.lang.reflect.Member member, java.lang.String propertyName)
      Sets the member up for accessibility

    • Method Detail

      • setup

        java.lang.Object setup​(java.util.Map context,
                       java.lang.Object target,
                       java.lang.reflect.Member member,
                       java.lang.String propertyName)
        Sets the member up for accessibility
        Parameters:
        context - the current execution context.
        target - the Object upon which to perform the setup operation.
        member - the Member upon which to perform the setup operation.
        propertyName - the property upon which to perform the setup operation.
        Returns:
        the Object representing the original accessibility state of the target prior to the setup operation.

      • restore

        void restore​(java.util.Map context,
             java.lang.Object target,
             java.lang.reflect.Member member,
             java.lang.String propertyName,
             java.lang.Object state)
        Restores the member from the previous setup call.
        Parameters:
        context - the current execution context.
        target - the Object upon which to perform the setup operation.
        member - the Member upon which to perform the setup operation.
        propertyName - the property upon which to perform the setup operation.
        state - the Object holding the state to restore (target state prior to the setup operation).

      • isAccessible

        boolean isAccessible​(java.util.Map context,
                     java.lang.Object target,
                     java.lang.reflect.Member member,
                     java.lang.String propertyName)
        Returns true if the given member is accessible or can be made accessible by this object.
        Parameters:
        context - the current execution context.
        target - the Object to test accessibility for.
        member - the Member to test accessibility for.
        propertyName - the property to test accessibility for.
        Returns:
        true if the target/member/propertyName is accessible in the context, false otherwise.