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+/* Guard.java -- Check access to a guarded object
+ Copyright (C) 1998 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.security;
+
+/**
+ * This interface specifies a mechanism for querying whether or not
+ * access is allowed to a guarded object.
+ *
+ * @version 0.0
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ */
+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
+ *
+ * @exception SecurityException If access to the object is denied.
+ */
+public abstract void
+checkGuard(Object obj) throws SecurityException;
+
+} // interface Guard
+