/*

 * Copyright (c) 2011, 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.

 *

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.security.Provider;

import java.security.Security;

public class ProvidersSnapshot {

    private Provider[] oldProviders;

    private ProvidersSnapshot() {

        oldProviders = Security.getProviders();

    }

    public static ProvidersSnapshot create() {

        return new ProvidersSnapshot();

    }

    public void restore() {

        Provider[] newProviders = Security.getProviders();

        for (Provider p: newProviders) {

            Security.removeProvider(p.getName());

        }

        for (Provider p: oldProviders) {

            Security.addProvider(p);

        }

    }

}