src/java.desktop/share/classes/javax/swing/undo/StateEditable.java

/*
 * Copyright (c) 1997, 2004, 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.
 *
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package javax.swing.undo;

import java.util.Hashtable;


/**
 * StateEditable defines the interface for objects that can have
 * their state undone/redone by a StateEdit.
 *
 * @see StateEdit
 */

public interface StateEditable {

    /** Resource ID for this class. */
    public static final String RCSID = "$Id: StateEditable.java,v 1.2 1997/09/08 19:39:08 marklin Exp $";

    /**
     * Upon receiving this message the receiver should place any relevant
     * state into <EM>state</EM>.
     *
     * @param state Hashtable object to store the state
     */
    public void storeState(Hashtable<Object,Object> state);

    /**
     * Upon receiving this message the receiver should extract any relevant
     * state out of <EM>state</EM>.
     *
     * @param state Hashtable object to restore the state from it
     */
    public void restoreState(Hashtable<?,?> state);
} // End of interface StateEditable