/* Guard.java -- Check access to a guarded object
   Copyright (C) 1998, 2002, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

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it under the terms of the GNU General Public License as published by
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General Public License for more details.

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02110-1301 USA.

Linking this library statically or dynamically with other modules is
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
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package java.security;

/**
 * This interface specifies a mechanism for querying whether or not
 * access is allowed to a guarded object.
 *
 * @author Aaron M. Renn (arenn@urbanophile.com)
 * @see GuardedObject
 * @since 1.1
 * @status updated to 1.4
 */
public interface Guard
{
  /**
   * This method tests whether or not access is allowed to the specified
   * guarded object. Access is allowed if this method returns silently. If
   * access is denied, an exception is generated.
   *
   * @param obj the <code>Object</code> to test
   * @throws SecurityException if access to the object is denied
   */
  void checkGuard(Object obj);
} // interface Guard