1 /* Guard.java -- Check access to a guarded object
2 Copyright (C) 1998, 2002 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
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7 it under the terms of the GNU General Public License as published by
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12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
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18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
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30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
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36 exception statement from your version. */
38 package java
.security
;
41 * This interface specifies a mechanism for querying whether or not
42 * access is allowed to a guarded object.
44 * @author Aaron M. Renn <arenn@urbanophile.com>
47 * @status updated to 1.4
49 public interface Guard
52 * This method tests whether or not access is allowed to the specified
53 * guarded object. Access is allowed if this method returns silently. If
54 * access is denied, an exception is generated.
56 * @param obj the <code>Object</code> to test
57 * @throws SecurityException if access to the object is denied
59 void checkGuard(Object obj
);