1 /* 2 * Copyright (c) 2003, 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 package java.awt.datatransfer; 26 27 import java.util.EventListener; 28 29 30 /** 31 * Defines an object which listens for {@link FlavorEvent}s. 32 * 33 * @author Alexander Gerasimov 34 * @since 1.5 35 */ 36 public interface FlavorListener extends EventListener { 37 /** 38 * Invoked when the target {@link Clipboard} of the listener 39 * has changed its available {@link DataFlavor}s. 40 * <p> 41 * Some notifications may be redundant — they are not 42 * caused by a change of the set of DataFlavors available 43 * on the clipboard. 44 * For example, if the clipboard subsystem supposes that 45 * the system clipboard's contents has been changed but it 46 * can't ascertain whether its DataFlavors have been changed 47 * because of some exceptional condition when accessing the 48 * clipboard, the notification is sent to ensure from omitting 49 * a significant notification. Ordinarily, those redundant 50 * notifications should be occasional. 51 * 52 * @param e a <code>FlavorEvent</code> object 53 */ 54 void flavorsChanged(FlavorEvent e); 55 }