001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.test;
016    
017    import java.io.Closeable;
018    
019    import java.security.Permission;
020    
021    /**
022     * @author Shuyang Zhou
023     */
024    public class SwappableSecurityManager
025            extends SecurityManager implements Closeable {
026    
027            public SwappableSecurityManager() {
028                    _securityManager = System.getSecurityManager();
029            }
030    
031            @Override
032            public void checkPermission(Permission permission) {
033            }
034    
035            @Override
036            public void close() {
037                    System.setSecurityManager(_securityManager);
038            }
039    
040            public void install() {
041                    System.setSecurityManager(this);
042            }
043    
044            private final SecurityManager _securityManager;
045    
046    }