java.security

public Interface Guard

Known Direct Implementers: java.security.Permission

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 to allow access to the object.

Authors: Roland Schemers, Li Gong
Since: 1.2
See Also: GuardedObject

Method Summary

Modifier and Type	Method and Description
public void	checkGuard(Object the object being protected by the guard. object) Determines whether to allow access to the guarded object `object`.

Method Detail

checkGuard back to summary

checkGuard	back to summary
public void checkGuard(Object object) throws SecurityException Determines whether to allow access to the guarded object `object`. Returns silently if access is allowed. Otherwise, throws a `SecurityException`. Parameters object:Object the object being protected by the guard. Exceptions SecurityException: if access is denied.

public void checkGuard(Object object) throws SecurityException

Determines whether to allow access to the guarded object object. Returns silently if access is allowed. Otherwise, throws a SecurityException.

Parameters

object:Object: the object being protected by the guard.

Exceptions

SecurityException:: if access is denied.