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55 lines
1.8 KiB
Java
55 lines
1.8 KiB
Java
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/* Guard.java -- Check access to a guarded object
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.security;
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/**
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* This interface specifies a mechanism for querying whether or not
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* access is allowed to a guarded object.
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*
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* @version 0.0
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public interface Guard
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{
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/**
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* This method tests whether or not access is allowed to the specified
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* guarded object. Access is allowed if this method returns silently. If
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* access is denied, an exception is generated.
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*
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* @param obj The <code>Object</code> to test
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*
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* @exception SecurityException If access to the object is denied.
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*/
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public abstract void
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checkGuard(Object obj) throws SecurityException;
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} // interface Guard
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