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.usergroupsadmin.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.Group;
021    import com.liferay.portal.model.User;
022    import com.liferay.portal.service.UserLocalServiceUtil;
023    
024    import javax.portlet.RenderResponse;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class UserGroupChecker extends RowChecker {
030    
031            public UserGroupChecker(RenderResponse renderResponse, Group group) {
032                    super(renderResponse);
033    
034                    _group = group;
035            }
036    
037            @Override
038            public boolean isChecked(Object obj) {
039                    User user = null;
040    
041                    if (obj instanceof User) {
042                            user = (User)obj;
043                    }
044                    else if (obj instanceof Object[]) {
045                            user = (User)((Object[])obj)[0];
046                    }
047                    else {
048                            throw new IllegalArgumentException(obj + " is not a User");
049                    }
050    
051                    try {
052                            return UserLocalServiceUtil.hasGroupUser(
053                                    _group.getGroupId(), user.getUserId());
054                    }
055                    catch (Exception e) {
056                            _log.error(e, e);
057    
058                            return false;
059                    }
060            }
061    
062            private static Log _log = LogFactoryUtil.getLog(UserGroupChecker.class);
063    
064            private Group _group;
065    
066    }