src/java.base/share/classes/java/security/Guard.java - master - githubmirror/jdk17u-dev

src/java.base/share/classes/java/security/Guard.java

57 строк2 KB

Julia Boes

8230648: Replace @exception tag with @throws in java.base

20 сен 2019, 13:07

20 сен 2019, 13:07b15b322

/*
 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.security;

/**
 * <p> This interface represents a guard, which is an object that is used
 * to protect access to another object.
 *
 * <p>This interface contains a single method, {@code checkGuard},
 * with a single {@code object} argument. {@code checkGuard} is
 * invoked (by the GuardedObject {@code getObject} method)
 * to determine whether or not to allow access to the object.
 *
 * @see GuardedObject
 *
 * @author Roland Schemers
 * @author Li Gong
 * @since 1.2
 */

public interface Guard {

    /**
     * Determines whether or not to allow access to the guarded object
     * {@code object}. Returns silently if access is allowed.
     * Otherwise, throws a SecurityException.
     *
     * @param object the object being protected by the guard.
     *
     * @throws    SecurityException if access is denied.
     *
     */
    void checkGuard(Object object) throws SecurityException;
}