src/java.desktop/share/classes/java/awt/desktop/SystemSleepListener.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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package java.awt.desktop;

/**
 * Implementors receive notification as the system is entering sleep, and after
 * the system wakes.
 *
 * This notification is useful for disconnecting from network services prior to
 * sleep, or re-establishing a connection if the network configuration has
 * changed during sleep.
 *
 * @since 9
 */
public interface SystemSleepListener extends SystemEventListener {

    /**
     * Called when the system is about to sleep. Note: This message may not be
     * delivered prior to the actual system sleep, and may be processed after
     * the corresponding wake has occurred.
     *
     * @param e the system sleep event
     */
    public void systemAboutToSleep(final SystemSleepEvent e);

    /**
     * Called after the system has awoken from sleeping.
     *
     * @param e the system sleep event
     */
    public void systemAwoke(final SystemSleepEvent e);
}