minwin-gcc-5-2/libjava/classpath/java/security/PrivilegedExceptionAction.java

/* PrivilegedExceptionAction.java -- Perform a privileged operation
   Copyright (C) 1998, 2002 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
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any later version.

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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
making a combined work based on this library.  Thus, the terms and
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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
executable, regardless of the license terms of these independent
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terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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exception statement from your version. */

package java.security;

/**
 * This interface defines a method that is called by
 * <code>AccessController.doPrivileged()</code> in order to perform a
 * privileged operation with higher privileges enabled.  This interface
 * differs from <code>PrivilegedAction</code> in that the <code>run</code>
 * method in this interface may throw a checked exception.
 *
 * @author Aaron M. Renn (arenn@urbanophile.com)
 * @since 1.1
 * @status updated to 1.5
 */
public interface PrivilegedExceptionAction<T>
{
  /**
   * This method performs an operation that requires higher privileges to
   * successfully complete.  It is called when a section of code invokes
   * <code>AccessController.doPrivileged()</code>.
   *
   * @return obj An implementation defined return value
   * @throws Exception An implementation specific exception
   * @see AccessController#doPrivileged(PrivilegedExceptionAction)
   * @see AccessController#doPrivileged(PrivilegedExceptionAction,
   *                                    AccessControlContext)
   */
  T run() throws Exception;
} // interface PrivilegedExceptionAction