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.documentlibrary.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.permission.ActionKeys;
020    import com.liferay.portlet.documentlibrary.model.DLFileVersion;
021    import com.liferay.portlet.documentlibrary.service.base.DLFileVersionServiceBaseImpl;
022    import com.liferay.portlet.documentlibrary.service.permission.DLFileEntryPermission;
023    
024    /**
025     * @author Brian Wing Shun Chan
026     */
027    public class DLFileVersionServiceImpl extends DLFileVersionServiceBaseImpl {
028    
029            public DLFileVersion getFileVersion(long fileVersionId)
030                    throws PortalException, SystemException {
031    
032                    DLFileVersion fileVersion = dlFileVersionLocalService.getFileVersion(
033                            fileVersionId);
034    
035                    DLFileEntryPermission.check(
036                            getPermissionChecker(), fileVersion.getFileEntryId(),
037                            ActionKeys.VIEW);
038    
039                    return fileVersion;
040            }
041    
042            public DLFileVersion getLatestFileVersion(long fileEntryId)
043                    throws PortalException, SystemException {
044    
045                    return dlFileVersionLocalService.getLatestFileVersion(
046                            getGuestOrUserId(), fileEntryId);
047            }
048    
049    }