001/* 002 * (C) Copyright 2006-2009 Nuxeo SAS (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 * Nuxeo - initial API and implementation 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.platform.comment.listener; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024import org.nuxeo.ecm.core.api.CoreSession; 025import org.nuxeo.ecm.core.api.DocumentModel; 026import org.nuxeo.ecm.core.api.event.DocumentEventTypes; 027import org.nuxeo.ecm.core.event.Event; 028import org.nuxeo.ecm.core.event.EventBundle; 029import org.nuxeo.ecm.core.event.EventContext; 030import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 031import org.nuxeo.ecm.platform.comment.service.CommentServiceConfig; 032import org.nuxeo.ecm.platform.comment.service.CommentServiceHelper; 033import org.nuxeo.ecm.platform.relations.api.RelationManager; 034import org.nuxeo.runtime.api.Framework; 035 036public abstract class AbstractCommentListener { 037 038 private static final Log log = LogFactory.getLog(AbstractCommentListener.class); 039 040 public void handleEvent(EventBundle events) { 041 if (events.containsEventName(DocumentEventTypes.DOCUMENT_REMOVED)) { 042 for (Event event : events) { 043 handleEvent(event); 044 } 045 } 046 } 047 048 public void handleEvent(Event event) { 049 if (DocumentEventTypes.DOCUMENT_REMOVED.equals(event.getName())) { 050 EventContext ctx = event.getContext(); 051 if (ctx instanceof DocumentEventContext) { 052 DocumentEventContext docCtx = (DocumentEventContext) ctx; 053 DocumentModel doc = docCtx.getSourceDocument(); 054 CoreSession coreSession = docCtx.getCoreSession(); 055 CommentServiceConfig config = CommentServiceHelper.getCommentService().getConfig(); 056 RelationManager relationManager = Framework.getService(RelationManager.class); 057 doProcess(coreSession, relationManager, config, doc); 058 return; 059 } 060 } 061 } 062 063 protected abstract void doProcess(CoreSession coreSession, RelationManager relationManager, 064 CommentServiceConfig config, DocumentModel docMessage); 065 066}