001    /**
002     * Copyright (c) 2000-2013 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.messageboards.trash;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.kernel.repository.model.FileEntry;
020    import com.liferay.portal.kernel.trash.BaseTrashHandler;
021    import com.liferay.portal.model.ContainerModel;
022    import com.liferay.portal.portletfilerepository.PortletFileRepositoryUtil;
023    import com.liferay.portal.security.permission.PermissionChecker;
024    import com.liferay.portlet.documentlibrary.model.DLFileEntry;
025    import com.liferay.portlet.messageboards.model.MBMessage;
026    import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
027    import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
028    import com.liferay.portlet.messageboards.service.permission.MBMessagePermission;
029    import com.liferay.portlet.messageboards.util.MBMessageAttachmentsUtil;
030    
031    /**
032     * Implements trash handling for message boards message entity.
033     *
034     * @author Zsolt Berentey
035     */
036    public class MBMessageTrashHandler extends BaseTrashHandler {
037    
038            @Override
039            public void deleteTrashEntry(long classPK) {
040            }
041    
042            @Override
043            public String getClassName() {
044                    return MBMessage.class.getName();
045            }
046    
047            @Override
048            public ContainerModel getTrashContainer(long classPK)
049                    throws PortalException, SystemException {
050    
051                    MBMessage message = MBMessageLocalServiceUtil.getMBMessage(classPK);
052    
053                    return message.getTrashContainer();
054            }
055    
056            @Override
057            public boolean isDeletable() {
058                    return false;
059            }
060    
061            @Override
062            public boolean isInTrash(long classPK)
063                    throws PortalException, SystemException {
064    
065                    MBMessage message = MBMessageLocalServiceUtil.getMBMessage(classPK);
066    
067                    return message.isInTrash();
068            }
069    
070            @Override
071            public boolean isInTrashContainer(long classPK)
072                    throws PortalException, SystemException {
073    
074                    MBMessage message = MBMessageLocalServiceUtil.getMBMessage(classPK);
075    
076                    return message.isInTrashThread();
077            }
078    
079            @Override
080            public void restoreRelatedTrashEntry(String className, long classPK)
081                    throws PortalException, SystemException {
082    
083                    if (!className.equals(DLFileEntry.class.getName())) {
084                            return;
085                    }
086    
087                    FileEntry fileEntry = PortletFileRepositoryUtil.getPortletFileEntry(
088                            classPK);
089    
090                    MBMessage message = MBMessageAttachmentsUtil.getMessage(classPK);
091    
092                    MBMessageServiceUtil.restoreMessageAttachmentFromTrash(
093                            message.getMessageId(), fileEntry.getTitle());
094            }
095    
096            @Override
097            public void restoreTrashEntry(long userId, long classPK) {
098            }
099    
100            @Override
101            protected boolean hasPermission(
102                            PermissionChecker permissionChecker, long classPK, String actionId)
103                    throws PortalException, SystemException {
104    
105                    return MBMessagePermission.contains(
106                            permissionChecker, classPK, actionId);
107            }
108    
109    }