1 /* 2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.awt.desktop; 27 28 /** 29 * Implementors receive notification as the system is entering sleep, and after 30 * the system wakes. 31 * <p> 32 * This notification is useful for disconnecting from network services prior to 33 * sleep, or re-establishing a connection if the network configuration has 34 * changed during sleep. 35 * 36 * @since 9 37 */ 38 public interface SystemSleepListener extends SystemEventListener { 39 40 /** 41 * Called when the system is about to sleep. Note: This message may not be 42 * delivered prior to the actual system sleep, and may be processed after 43 * the corresponding wake has occurred. 44 * 45 * @param e the system sleep event 46 */ 47 public void systemAboutToSleep(SystemSleepEvent e); 48 49 /** 50 * Called after the system has awoken from sleeping. 51 * 52 * @param e the system sleep event 53 */ 54 public void systemAwoke(SystemSleepEvent e); 55 }