Guard

java.security

Interface Guard

All Known Implementing Classes:

AllPermission, AudioPermission, AuthPermission, AWTPermission, BasicPermission, CardPermission, DelegationPermission, FilePermission, JAXBPermission, LinkPermission, LoggingPermission, ManagementPermission, MBeanPermission, MBeanServerPermission, MBeanTrustPermission, NetPermission, Permission, PrivateCredentialPermission, PropertyPermission, ReflectPermission, RuntimePermission, SecurityPermission, SerializablePermission, ServicePermission, SocketPermission, SQLPermission, SSLPermission, SubjectDelegationPermission, UnresolvedPermission, URLPermission, WebServicePermission
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public interface Guard
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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.

See Also:

GuardedObject

Method Summary

All Methods

Instance Methods

Abstract Methods
Modifier and Type	Method and 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.