All Known Implementing Classes:
    DelegationPermission, UnresolvedPermission, SecurityPermission, CardPermission, Permission, AWTPermission, BasicPermission, MBeanServerPermission, MBeanTrustPermission, AuthPermission, PrivateCredentialPermission, SQLPermission, CryptoAllPermission, LoggingPermission, AllPermission, RuntimePermission, NetPermission, SubjectDelegationPermission, SocketPermission, SerializablePermission, CryptoPermission, WebServicePermission, ManagementPermission, ServicePermission, FilePermission, SSLPermission, MBeanPermission, AudioPermission, PropertyPermission, ReflectPermission

This interface represents a guard, which is an object that is used to protect access to another object.

This interface contains a single method, checkGuard, with a single object argument. checkGuard is invoked (by the GuardedObject getObject method) to determine whether or not to allow access to the object.

Also see:

GuardedObject
author: Roland - Schemers

author: Li - Gong

 public  void checkGuard(Object object) throws SecurityException
Determines whether or not to allow access to the guarded object
object. Returns silently if access is allowed.
Otherwise, throws a SecurityException.