1/*
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24import java.security.Provider;
25import java.security.Security;
26
27public class ProvidersSnapshot {
28
29    private Provider[] oldProviders;
30
31    private ProvidersSnapshot() {
32        oldProviders = Security.getProviders();
33    }
34
35    public static ProvidersSnapshot create() {
36        return new ProvidersSnapshot();
37    }
38
39    public void restore() {
40        Provider[] newProviders = Security.getProviders();
41        for (Provider p: newProviders) {
42            Security.removeProvider(p.getName());
43        }
44        for (Provider p: oldProviders) {
45            Security.addProvider(p);
46        }
47    }
48}
49