001    /**
002     * Copyright (c) 2000-2010 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.lar;
016    
017    import com.liferay.portal.kernel.exception.SystemException;
018    import com.liferay.portal.kernel.lar.UserIdStrategy;
019    import com.liferay.portal.kernel.util.Validator;
020    import com.liferay.portal.model.User;
021    import com.liferay.portal.service.persistence.UserUtil;
022    
023    import java.util.Iterator;
024    import java.util.List;
025    
026    /**
027     * @author Bruno Farache
028     */
029    public class CurrentUserIdStrategy implements UserIdStrategy {
030    
031            public CurrentUserIdStrategy(User user) {
032                    _user = user;
033            }
034    
035            public long getUserId(String userUuid) throws SystemException {
036                    if (Validator.isNull(userUuid)) {
037                            return _user.getUserId();
038                    }
039    
040                    List<User> users = UserUtil.findByUuid(userUuid);
041    
042                    Iterator<User> itr = users.iterator();
043    
044                    if (itr.hasNext()) {
045                            User user = itr.next();
046    
047                            return user.getUserId();
048                    }
049                    else {
050                            return _user.getUserId();
051                    }
052            }
053    
054            private User _user;
055    
056    }