org.springframework.security.access.expression
Class DenyAllPermissionEvaluator

java.lang.Object
  org.springframework.security.access.expression.DenyAllPermissionEvaluator

All Implemented Interfaces:

AopInfrastructureBean, PermissionEvaluator

public class DenyAllPermissionEvaluator
extends Object
implements PermissionEvaluator

A null PermissionEvaluator which denies all access. Used by default for situations when permission evaluation should not be required.

Since:

3.0

Constructor Summary

DenyAllPermissionEvaluator()

Method Summary

boolean	hasPermission(Authentication authentication, Object target, Object permission)
boolean	hasPermission(Authentication authentication, Serializable targetId, String targetType, Object permission) Alternative method for evaluating a permission where only the identifier of the target object is available, rather than the target instance itself.

Methods inherited from class java.lang.Object

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

Constructor Detail

DenyAllPermissionEvaluator

public DenyAllPermissionEvaluator()

Method Detail

hasPermission

public boolean hasPermission(Authentication authentication,
                             Object target,
                             Object permission)

Specified by:

hasPermission in interface PermissionEvaluator

Parameters:

authentication - represents the user in question. Should not be null.

target - the domain object for which permissions should be checked. May be null in which case implementations should return false, as the null condition can be checked explicitly in the expression.

permission - a representation of the permission object as supplied by the expression system. Not null.

Returns:

false always

hasPermission

public boolean hasPermission(Authentication authentication,
                             Serializable targetId,
                             String targetType,
                             Object permission)

Description copied from interface: PermissionEvaluator

Alternative method for evaluating a permission where only the identifier of the target object is available, rather than the target instance itself.

Specified by:

hasPermission in interface PermissionEvaluator

Parameters:

authentication - represents the user in question. Should not be null.

targetId - the identifier for the object instance (usually a Long)

targetType - a String representing the target's type (usually a Java classname). Not null.

permission - a representation of the permission object as supplied by the expression system. Not null.

Returns:

false always