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.portlet.admin.util;
016    
017    import com.liferay.admin.kernel.util.Omniadmin;
018    import com.liferay.portal.model.User;
019    import com.liferay.registry.Registry;
020    import com.liferay.registry.RegistryUtil;
021    import com.liferay.registry.ServiceTracker;
022    
023    /**
024     * Provides utility methods for determining if a user is a universal
025     * administrator. Universal administrators have administrator permissions in
026     * every company.
027     *
028     * <p>
029     * A user can be made a universal administrator by adding their primary key to
030     * the list in <code>portal.properties</code> under the key
031     * <code>omniadmin.users</key>. If this property is left blank, administrators
032     * of the default company will automatically be universal administrators.
033     * </p>
034     *
035     * @author Brian Wing Shun Chan
036     */
037    public class OmniadminUtil {
038    
039            public static boolean isOmniadmin(long userId) {
040                    return getInstance().isOmniadmin(userId);
041            }
042    
043            public static boolean isOmniadmin(User user) {
044                    return getInstance().isOmniadmin(user);
045            }
046    
047            private static Omniadmin getInstance() {
048                    return _instance._serviceTracker.getService();
049            }
050    
051            private OmniadminUtil() {
052                    Registry registry = RegistryUtil.getRegistry();
053    
054                    _serviceTracker = registry.trackServices(Omniadmin.class);
055    
056                    _serviceTracker.open();
057            }
058    
059            private static final OmniadminUtil _instance = new OmniadminUtil();
060    
061            private final ServiceTracker<?, Omniadmin> _serviceTracker;
062    
063    }