/*
 * Copyright (C) 2001-2004 Red Hat Inc. All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */
package com.arsdigita.cms;

import java.util.List;

/**
 * This interface should be used to check if an image is still in use. 
 * Useful to determine if you can delete an image. 
 * 
 * @author Koalamann
 */
public interface ImageInUseChecker {

    /*
     * checks if the Image is currently in use
     *
     * @return false  if the image is not used by anyone
     */
    boolean isImageInUse(ReusableImageAsset image);

    /*
     * get all users(content-items) that are using the image.
     *   
     */
    List<ContentItem> getImageUsers(ReusableImageAsset image);

}