001    /**
002     * Copyright (c) 2000-2012 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.rolesadmin.search;
016    
017    import com.liferay.portal.kernel.dao.search.RowChecker;
018    import com.liferay.portal.kernel.log.Log;
019    import com.liferay.portal.kernel.log.LogFactoryUtil;
020    import com.liferay.portal.model.Role;
021    import com.liferay.portal.model.User;
022    import com.liferay.portal.security.auth.MembershipPolicyUtil;
023    import com.liferay.portal.service.UserLocalServiceUtil;
024    
025    import java.util.Set;
026    
027    import javax.portlet.RenderResponse;
028    
029    /**
030     * @author Brian Wing Shun Chan
031     */
032    public class UserRoleChecker extends RowChecker {
033    
034            public UserRoleChecker(RenderResponse renderResponse, Role role) {
035                    super(renderResponse);
036    
037                    _role = role;
038            }
039    
040            @Override
041            public boolean isChecked(Object obj) {
042                    User user = (User)obj;
043    
044                    try {
045                            return UserLocalServiceUtil.hasRoleUser(
046                                    _role.getRoleId(), user.getUserId());
047                    }
048                    catch (Exception e) {
049                            _log.error(e, e);
050    
051                            return false;
052                    }
053            }
054    
055            @Override
056            public boolean isDisabled(Object obj) {
057                    User user = (User)obj;
058    
059                    Set<Role> mandatoryRoles = MembershipPolicyUtil.getMandatoryRoles(user);
060    
061                    if ((isChecked(user) && mandatoryRoles.contains(_role)) ||
062                            (!isChecked(user) &&
063                             !MembershipPolicyUtil.isMembershipAllowed(_role, user))) {
064    
065                            return true;
066                    }
067    
068                    return super.isDisabled(obj);
069            }
070    
071            private static Log _log = LogFactoryUtil.getLog(UserRoleChecker.class);
072    
073            private Role _role;
074    
075    }