BookmarkCollection.java

package ch.cyberduck.core;

/*
 *  Copyright (c) 2008 David Kocher. All rights reserved.
 *  http://cyberduck.ch/
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 for more details.
 *
 *  Bug fixes, suggestions and comments should be sent to:
 *  dkocher@cyberduck.ch
 */

/**
 * @version  $Id: BookmarkCollection.java 5123 2009-08-18 16:14:16Z dkocher $
 */
public abstract class BookmarkCollection extends Collection<Host> {

    /**
	 * @uml.property  name="eMPTY"
	 * @uml.associationEnd  
	 */
    private static final BookmarkCollection EMPTY = new BookmarkCollection() {
        @Override
        public void save() {
            ;
        }

        @Override
        public void load() {
            ;
        }
    };

    public static BookmarkCollection empty() {
        return EMPTY;
    }

    public BookmarkCollection() {
        super();
    }

    public BookmarkCollection(java.util.Collection<Host> c) {
        super(c);
    }

    /**
     * Add new bookmark to the collection
     *
     * @return
     */
    public boolean allowsAdd() {
        return true;
    }

    /**
     * Remove a bookmark from the collection
     *
     * @return
     */
    public boolean allowsDelete() {
        return true;
    }

    /**
     * Edit the bookmark configuration
     *
     * @return
     */
    public boolean allowsEdit() {
        return true;
    }

    public abstract void save();

    public abstract void load();
}