001/* 002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Olivier Grisel <ogrisel@nuxeo.com> 018 */ 019package org.nuxeo.drive.listener; 020 021import static org.nuxeo.ecm.core.api.trash.TrashService.DOCUMENT_TRASHED; 022import static org.nuxeo.ecm.core.api.trash.TrashService.DOCUMENT_UNTRASHED; 023 024import org.nuxeo.drive.service.NuxeoDriveManager; 025import org.nuxeo.ecm.collections.api.CollectionConstants; 026import org.nuxeo.ecm.core.api.IdRef; 027import org.nuxeo.ecm.core.api.LifeCycleConstants; 028import org.nuxeo.ecm.core.event.Event; 029import org.nuxeo.ecm.core.event.EventListener; 030import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 031import org.nuxeo.runtime.api.Framework; 032 033/** 034 * Notify the NuxeoDriveManager service in case of document deletions so as to make it possible to invalidate any cache. 035 */ 036public class NuxeoDriveCacheInvalidationListener implements EventListener { 037 038 @Override 039 public void handleEvent(Event event) { 040 DocumentEventContext docCtx; 041 if (event.getContext() instanceof DocumentEventContext) { 042 docCtx = (DocumentEventContext) event.getContext(); 043 } else { 044 // not interested in event that are not related to documents 045 return; 046 } 047 String transition = (String) docCtx.getProperty(LifeCycleConstants.TRANSTION_EVENT_OPTION_TRANSITION); 048 String eventName = event.getName(); 049 if (!DOCUMENT_TRASHED.equals(eventName) && !DOCUMENT_UNTRASHED.equals(eventName) && transition != null 050 && !(LifeCycleConstants.DELETE_TRANSITION.equals(transition) 051 || LifeCycleConstants.UNDELETE_TRANSITION.equals(transition))) { 052 // not interested in lifecycle transitions that are not related to 053 // document deletion 054 return; 055 } 056 NuxeoDriveManager driveManager = Framework.getService(NuxeoDriveManager.class); 057 if (CollectionConstants.ADDED_TO_COLLECTION.equals(event.getName()) 058 || CollectionConstants.REMOVED_FROM_COLLECTION.equals(event.getName())) { 059 driveManager.invalidateCollectionSyncRootMemberCache(); 060 } else { 061 driveManager.handleFolderDeletion((IdRef) docCtx.getSourceDocument().getRef()); 062 } 063 } 064 065}