001    /**
002     * Copyright (c) 2000-2013 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.security.membershippolicy;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.kernel.util.ClassUtil;
020    import com.liferay.portal.kernel.util.InstanceFactory;
021    import com.liferay.portal.util.ClassLoaderUtil;
022    import com.liferay.portal.util.PropsValues;
023    
024    /**
025     * @author Sergio González
026     * @author Shuyang Zhou
027     * @author Roberto Díaz
028     */
029    public class RoleMembershipPolicyFactoryImpl
030            implements RoleMembershipPolicyFactory {
031    
032            public void afterPropertiesSet() throws Exception {
033                    if (_log.isDebugEnabled()) {
034                            _log.debug("Instantiate " + PropsValues.MEMBERSHIP_POLICY_ROLES);
035                    }
036    
037                    ClassLoader classLoader = ClassLoaderUtil.getPortalClassLoader();
038    
039                    _originalRoleMembershipPolicy =
040                            (RoleMembershipPolicy)InstanceFactory.newInstance(
041                                    classLoader, PropsValues.MEMBERSHIP_POLICY_ROLES);
042    
043                    _roleMembershipPolicy = _originalRoleMembershipPolicy;
044            }
045    
046            public RoleMembershipPolicy getRoleMembershipPolicy() {
047                    return _roleMembershipPolicy;
048            }
049    
050            public void setRoleMembershipPolicy(
051                    RoleMembershipPolicy roleMembershipPolicy) {
052    
053                    if (_log.isDebugEnabled()) {
054                            _log.debug("Set " + ClassUtil.getClassName(roleMembershipPolicy));
055                    }
056    
057                    if (roleMembershipPolicy == null) {
058                            _roleMembershipPolicy = _originalRoleMembershipPolicy;
059                    }
060                    else {
061                            _roleMembershipPolicy = roleMembershipPolicy;
062                    }
063            }
064    
065            private static Log _log = LogFactoryUtil.getLog(
066                    RoleMembershipPolicyFactory.class);
067    
068            private static RoleMembershipPolicy _originalRoleMembershipPolicy;
069            private static volatile RoleMembershipPolicy _roleMembershipPolicy;
070    
071    }