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