001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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    }