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.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 updateDescription(
030                            long fileVersionId, String description)
031                    throws PortalException, SystemException {
032    
033                    DLFileVersion fileVersion = dlFileVersionPersistence.findByPrimaryKey(
034                            fileVersionId);
035    
036                    DLFileEntryPermission.check(
037                            getPermissionChecker(), fileVersion.getGroupId(),
038                            fileVersion.getFolderId(), fileVersion.getName(),
039                            ActionKeys.UPDATE);
040    
041                    return dlFileVersionLocalService.updateDescription(
042                            fileVersionId, description);
043            }
044    
045    }