java.awt.datatransfer.FlavorListener.java Source code

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Here is the source code for java.awt.datatransfer.FlavorListener.java

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/*
 * Copyright (c) 2003, 2017, 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 java.awt.datatransfer;

import java.util.EventListener;

/**
 * Defines an object which listens for {@link FlavorEvent}s.
 *
 * @author Alexander Gerasimov
 * @since 1.5
 */
public interface FlavorListener extends EventListener {

    /**
     * Invoked when the target {@link Clipboard} of the listener has changed its
     * available {@link DataFlavor}s.
     * <p>
     * Some notifications may be redundant &#8212; they are not caused by a
     * change of the set of DataFlavors available on the clipboard. For example,
     * if the clipboard subsystem supposes that the system clipboard's contents
     * has been changed but it can't ascertain whether its DataFlavors have been
     * changed because of some exceptional condition when accessing the
     * clipboard, the notification is sent to ensure from omitting a significant
     * notification. Ordinarily, those redundant notifications should be
     * occasional.
     *
     * @param  e a {@code FlavorEvent} object
     */
    void flavorsChanged(FlavorEvent e);
}