Interface Guard

All Known Implementing Classes:: AllPermission, AttachPermission, AudioPermission, AuthPermission, AWTPermission, BasicPermission, CardPermission, DelegationPermission, FilePermission, FlightRecorderPermission, InquireSecContextPermission, JDIPermission, LinkPermission, LoggingPermission, ManagementPermission, MBeanPermission, MBeanServerPermission, MBeanTrustPermission, NetPermission, NetworkPermission, Permission, PrivateCredentialPermission, PropertyPermission, ReflectPermission, RuntimePermission, SecurityPermission, SerializablePermission, ServicePermission, SocketPermission, SQLPermission, SSLPermission, SubjectDelegationPermission, UnresolvedPermission, URLPermission

public interface Guard

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.

Since:: 1.2
See Also:: GuardedObject

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`checkGuard(Object object)`	Determines whether or not to allow access to the guarded object `object`.

Method Detail

checkGuard

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.

Parameters:: object - the object being protected by the guard.
Throws:: SecurityException - if access is denied.