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57 lines
1.1 KiB
57 lines
1.1 KiB
/*
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package java.security;
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/**
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* <p> This interface represents a guard, which is an object that is used
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* to protect access to another object.
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*
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* <p>This interface contains a single method, {@code checkGuard},
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* with a single {@code object} argument. {@code checkGuard} is
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* invoked (by the GuardedObject {@code getObject} method)
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* to determine whether or not to allow access to the object.
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*
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* @see GuardedObject
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*
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* @author Roland Schemers
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* @author Li Gong
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*/
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public interface Guard {
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/**
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* Determines whether or not to allow access to the guarded object
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* {@code object}. Returns silently if access is allowed.
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* Otherwise, throws a SecurityException.
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*
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* @param object the object being protected by the guard.
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*
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* @exception SecurityException if access is denied.
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*
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*/
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void checkGuard(Object object) throws SecurityException;
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}
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