001/* 002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Olivier Grisel <ogrisel@nuxeo.com> 016 */ 017package org.nuxeo.drive.listener; 018 019import org.nuxeo.drive.service.NuxeoDriveManager; 020import org.nuxeo.ecm.collections.api.CollectionConstants; 021import org.nuxeo.ecm.core.api.IdRef; 022import org.nuxeo.ecm.core.api.LifeCycleConstants; 023import org.nuxeo.ecm.core.event.Event; 024import org.nuxeo.ecm.core.event.EventListener; 025import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 026import org.nuxeo.runtime.api.Framework; 027 028/** 029 * Notify the NuxeoDriveManager service in case of document deletions so as to make it possible to invalidate any cache. 030 */ 031public class NuxeoDriveCacheInvalidationListener implements EventListener { 032 033 @Override 034 public void handleEvent(Event event) { 035 DocumentEventContext docCtx; 036 if (event.getContext() instanceof DocumentEventContext) { 037 docCtx = (DocumentEventContext) event.getContext(); 038 } else { 039 // not interested in event that are not related to documents 040 return; 041 } 042 String transition = (String) docCtx.getProperty(LifeCycleConstants.TRANSTION_EVENT_OPTION_TRANSITION); 043 if (transition != null 044 && !(LifeCycleConstants.DELETE_TRANSITION.equals(transition) || LifeCycleConstants.UNDELETE_TRANSITION.equals(transition))) { 045 // not interested in lifecycle transitions that are not related to 046 // document deletion 047 return; 048 } 049 NuxeoDriveManager driveManager = Framework.getLocalService(NuxeoDriveManager.class); 050 if (CollectionConstants.ADDED_TO_COLLECTION.equals(event.getName()) 051 || CollectionConstants.REMOVED_FROM_COLLECTION.equals(event.getName())) { 052 driveManager.invalidateCollectionSyncRootMemberCache(); 053 } else { 054 driveManager.handleFolderDeletion((IdRef) docCtx.getSourceDocument().getRef()); 055 } 056 } 057 058}