/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package java.awt.image;
/**
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public class VMImageUtils {
private static VMImageAPI api;
private static Object token;
static VMImageAPI getAPI() {
return api;
}
public static void setAPI(VMImageAPI newApi, Object setToken) {
if (api == null) {
api = newApi;
token = setToken;
} else {
throw new SecurityException("Cannot overwrite the ImageAPI");
}
}
public static void resetAPI(Object setToken) {
if (token == setToken) {
api = null;
token = null;
} else {
throw new SecurityException("Cannot reset API with wrong token");
}
}
}