    001    /* ========================================================================
    002     * JCommon : a free general purpose class library for the Java(tm) platform
    003     * ========================================================================
    004     *
    005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jcommon/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * ----------------------------
    028     * AbstractActionDowngrade.java
    029     * ----------------------------
    030     * (C)opyright 2002-2004, by Thomas Morgner and Contributors.
    031     *
    032     * Original Author:  Thomas Morgner;
    033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
    034     *
    035     * $Id: AbstractActionDowngrade.java,v 1.2 2005/10/18 13:22:13 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     * 30-Aug-2002 : Initial version
    040     * 10-Dec-2002 : Updated Javadocs (DG);
    041     * 07-Jun-2004 : Corrected source headers (DG);
    042     *
    043     */
    044
    045    package org.jfree.ui.action;
    046
    047    import javax.swing.AbstractAction;
    048
    049    /**
    050     * A class that allows Action features introduced in JDK 1.3 to be used with JDK 1.2.2, by
    051     * defining the two new constants introduced by Sun in JDK 1.3.
    052     *
    053     * @author Thomas Morgner
    054     */
    055    public abstract class AbstractActionDowngrade extends AbstractAction implements ActionDowngrade {
    056        // kills a compile error for JDK's >= 1.3
    057        // ambiguous reference error ...
    058        /**
    059         * The key used for storing a <code>KeyStroke</code> to be used as the
    060         * accelerator for the action.
    061         */
    062        public static final String ACCELERATOR_KEY = ActionDowngrade.ACCELERATOR_KEY;
    063
    064        /**
    065         * The key used for storing an int key code to be used as the mnemonic
    066         * for the action.
    067         */
    068        public static final String MNEMONIC_KEY = ActionDowngrade.MNEMONIC_KEY;
    069
    070        /**
    071         * Creates a new action with a default (transparent) icon.
    072         */
    073        protected AbstractActionDowngrade() {
    074            // nothing required
    075        }
    076
    077    }