001    /**
002     * Copyright (c) 2000-present 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.security.permission.ActionKeys;
019    import com.liferay.portlet.documentlibrary.model.DLFileVersion;
020    import com.liferay.portlet.documentlibrary.service.base.DLFileVersionServiceBaseImpl;
021    import com.liferay.portlet.documentlibrary.service.permission.DLFileEntryPermission;
022    
023    import java.util.List;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     */
028    public class DLFileVersionServiceImpl extends DLFileVersionServiceBaseImpl {
029    
030            @Override
031            public DLFileVersion getFileVersion(long fileVersionId)
032                    throws PortalException {
033    
034                    DLFileVersion fileVersion = dlFileVersionLocalService.getFileVersion(
035                            fileVersionId);
036    
037                    DLFileEntryPermission.check(
038                            getPermissionChecker(), fileVersion.getFileEntryId(),
039                            ActionKeys.VIEW);
040    
041                    return fileVersion;
042            }
043    
044            @Override
045            public List<DLFileVersion> getFileVersions(long fileEntryId, int status)
046                    throws PortalException {
047    
048                    DLFileEntryPermission.check(
049                            getPermissionChecker(), fileEntryId, ActionKeys.VIEW);
050    
051                    return dlFileVersionLocalService.getFileVersions(fileEntryId, status);
052            }
053    
054            @Override
055            public int getFileVersionsCount(long fileEntryId, int status)
056                    throws PortalException {
057    
058                    DLFileEntryPermission.check(
059                            getPermissionChecker(), fileEntryId, ActionKeys.VIEW);
060    
061                    return dlFileVersionPersistence.countByF_S(fileEntryId, status);
062            }
063    
064            @Override
065            public DLFileVersion getLatestFileVersion(long fileEntryId)
066                    throws PortalException {
067    
068                    DLFileEntryPermission.check(
069                            getPermissionChecker(), fileEntryId, ActionKeys.VIEW);
070    
071                    return dlFileVersionLocalService.getLatestFileVersion(
072                            getGuestOrUserId(), fileEntryId);
073            }
074    
075            @Override
076            public DLFileVersion getLatestFileVersion(
077                            long fileEntryId, boolean excludeWorkingCopy)
078                    throws PortalException {
079    
080                    DLFileEntryPermission.check(
081                            getPermissionChecker(), fileEntryId, ActionKeys.VIEW);
082    
083                    return dlFileVersionLocalService.getLatestFileVersion(
084                            fileEntryId, excludeWorkingCopy);
085            }
086    
087    }