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 }