1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
33 * with a single {@code object} argument. {@code checkGuard} is
34 * invoked (by the GuardedObject {@code getObject} method)
35 * to determine whether or not to allow access to the object.
36 *
37 * @see GuardedObject
38 *
39 * @author Roland Schemers
40 * @author Li Gong
41 * @since 1.2
42 */
43
44 public interface Guard {
45
46 /**
47 * Determines whether or not to allow access to the guarded object
48 * {@code object}. Returns silently if access is allowed.
49 * Otherwise, throws a SecurityException.
50 *
51 * @param object the object being protected by the guard.
52 *
53 * @exception SecurityException if access is denied.
54 *
55 */
56 void checkGuard(Object object) throws SecurityException;
57 }
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1 /*
2 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
33 * with a single {@code object} argument. {@code checkGuard} is
34 * invoked (by the GuardedObject {@code getObject} method)
35 * to determine whether or not to allow access to the object.
36 *
37 * @see GuardedObject
38 *
39 * @author Roland Schemers
40 * @author Li Gong
41 * @since 1.2
42 */
43
44 public interface Guard {
45
46 /**
47 * Determines whether or not to allow access to the guarded object
48 * {@code object}. Returns silently if access is allowed.
49 * Otherwise, throws a SecurityException.
50 *
51 * @param object the object being protected by the guard.
52 *
53 * @throws SecurityException if access is denied.
54 *
55 */
56 void checkGuard(Object object) throws SecurityException;
57 }
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