Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ package com.liferay.portal.kernel.security.permission; import com.liferay.portal.kernel.model.User; import com.liferay.registry.Registry; import com.liferay.registry.RegistryUtil; import com.liferay.registry.ServiceTracker; /** * @author Charles May * @author Brian Wing Shun Chan */ public class PermissionCheckerFactoryUtil { public static PermissionChecker create(User user) { return getPermissionCheckerFactory().create(user); } public static PermissionCheckerFactory getPermissionCheckerFactory() { return _permissionCheckerFactoryUtil._serviceTracker.getService(); } private PermissionCheckerFactoryUtil() { Registry registry = RegistryUtil.getRegistry(); _serviceTracker = registry.trackServices(PermissionCheckerFactory.class); _serviceTracker.open(); } private static final PermissionCheckerFactoryUtil _permissionCheckerFactoryUtil = new PermissionCheckerFactoryUtil(); private final ServiceTracker<?, PermissionCheckerFactory> _serviceTracker; }