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.portlet.polls.service.impl;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.security.auth.PrincipalException;
020    import com.liferay.portal.security.permission.ActionKeys;
021    import com.liferay.portal.service.ServiceContext;
022    import com.liferay.portlet.polls.model.PollsVote;
023    import com.liferay.portlet.polls.service.base.PollsVoteServiceBaseImpl;
024    import com.liferay.portlet.polls.service.permission.PollsQuestionPermission;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class PollsVoteServiceImpl extends PollsVoteServiceBaseImpl {
030    
031            public PollsVote addVote(
032                            long questionId, long choiceId, ServiceContext serviceContext)
033                    throws PortalException, SystemException {
034    
035                    long userId = 0;
036    
037                    try {
038                            userId = getUserId();
039                    }
040                    catch (PrincipalException pe) {
041                            userId = counterLocalService.increment();
042                    }
043    
044                    PollsQuestionPermission.check(
045                            getPermissionChecker(), questionId, ActionKeys.ADD_VOTE);
046    
047                    return pollsVoteLocalService.addVote(
048                            userId, questionId, choiceId, serviceContext);
049            }
050    
051    }