001/* 002 * (C) Copyright 2009 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 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.platform.ec.notification; 023 024import java.util.List; 025 026import org.apache.commons.logging.Log; 027import org.apache.commons.logging.LogFactory; 028import org.nuxeo.ecm.core.api.DocumentModel; 029import org.nuxeo.ecm.core.api.IdRef; 030import org.nuxeo.ecm.core.api.event.CoreEventConstants; 031import org.nuxeo.ecm.core.event.Event; 032import org.nuxeo.ecm.core.event.EventContext; 033import org.nuxeo.ecm.core.event.EventListener; 034import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 035import org.nuxeo.ecm.platform.ec.notification.service.NotificationService; 036import org.nuxeo.ecm.platform.ec.notification.service.NotificationServiceHelper; 037 038/** 039 * Propagate previously set notifications when a proxy is replaced by a new version. 040 * 041 * @author ogrisel 042 */ 043public class ProxySubscriptionPropagationListener implements EventListener { 044 045 private static final Log log = LogFactory.getLog(ProxySubscriptionPropagationListener.class); 046 047 @SuppressWarnings("unchecked") 048 public void handleEvent(Event event) { 049 050 EventContext ctx = event.getContext(); 051 052 if (!(ctx instanceof DocumentEventContext)) { 053 // we are only interested in propagating notification for document 054 // proxies 055 return; 056 } 057 DocumentEventContext docCtx = (DocumentEventContext) ctx; 058 DocumentModel publishedDoc = docCtx.getSourceDocument(); 059 if (!publishedDoc.isProxy()) { 060 // we are only interested in the publication of proxy documents 061 return; 062 } 063 064 NotificationService service = NotificationServiceHelper.getNotificationService(); 065 if (service == null) { 066 log.error("Unable to get NotificationService, exiting"); 067 return; 068 } 069 070 List<String> replacedProxyIds = (List<String>) ctx.getProperties().get(CoreEventConstants.REPLACED_PROXY_IDS); 071 if (replacedProxyIds == null) { 072 return; 073 } 074 075 for (String replacedProxyId : replacedProxyIds) { 076 // there should be only one replaced proxy, but just in case, 077 // iterate over them 078 DocumentModel fromDoc = ctx.getCoreSession().getDocument(new IdRef(replacedProxyId)); 079 fromDoc.getAdapter(SubscriptionAdapter.class).copySubscriptionsTo(publishedDoc); 080 } 081 ctx.getCoreSession().saveDocument(publishedDoc); 082 } 083 084 085}