| /* |
| * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * 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, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.sound.sampled; |
| |
| import java.util.EventListener; |
| |
| /** |
| * Instances of classes that implement the {@code LineListener} interface can |
| * register to receive events when a line's status changes. |
| * |
| * @author Kara Kytle |
| * @see Line |
| * @see Line#addLineListener |
| * @see Line#removeLineListener |
| * @see LineEvent |
| * @since 1.3 |
| */ |
| public interface LineListener extends EventListener { |
| |
| /** |
| * Informs the listener that a line's state has changed. The listener can |
| * then invoke {@code LineEvent} methods to obtain information about the |
| * event. |
| * |
| * @param event a line event that describes the change |
| */ |
| void update(LineEvent event); |
| } |