001/* 002 * (C) Copyright 2007-2010 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 * Florent Guillaume 016 */ 017package org.nuxeo.ecm.core.scheduler; 018 019import java.io.Serializable; 020import java.util.HashMap; 021import java.util.Map; 022 023import javax.security.auth.login.LoginContext; 024import javax.security.auth.login.LoginException; 025 026import org.apache.commons.logging.Log; 027import org.apache.commons.logging.LogFactory; 028import org.nuxeo.ecm.core.api.impl.UserPrincipal; 029import org.nuxeo.ecm.core.event.Event; 030import org.nuxeo.ecm.core.event.EventContext; 031import org.nuxeo.ecm.core.event.EventService; 032import org.nuxeo.ecm.core.event.impl.EventContextImpl; 033import org.nuxeo.ecm.core.event.impl.EventImpl; 034import org.nuxeo.runtime.api.Framework; 035import org.nuxeo.runtime.api.login.LoginAs; 036import org.nuxeo.runtime.transaction.TransactionHelper; 037import org.quartz.Job; 038import org.quartz.JobDataMap; 039import org.quartz.JobExecutionContext; 040import org.quartz.JobExecutionException; 041 042/** 043 * A Quartz job whose execution sends a configured event. 044 */ 045public class EventJob implements Job { 046 047 private static final Log log = LogFactory.getLog(EventJob.class); 048 049 /** 050 * Job execution to send the configured event. 051 */ 052 @Override 053 public void execute(JobExecutionContext context) throws JobExecutionException { 054 JobDataMap dataMap = context.getJobDetail().getJobDataMap(); 055 056 // switch to the Nuxeo classloader so that the event listeners 057 // work as usual 058 059 ClassLoader oldCL = Thread.currentThread().getContextClassLoader(); 060 ClassLoader nuxeoCL = getClass().getClassLoader(); 061 Thread.currentThread().setContextClassLoader(nuxeoCL); 062 try { 063 execute(dataMap); 064 } catch (LoginException e) { 065 String eventId = dataMap.getString("eventId"); 066 log.error("Error while processing scheduled event id: " + eventId, e); 067 } finally { 068 Thread.currentThread().setContextClassLoader(oldCL); 069 } 070 } 071 072 protected void execute(JobDataMap dataMap) throws LoginException { 073 String eventId = dataMap.getString("eventId"); 074 String eventCategory = dataMap.getString("eventCategory"); 075 String username = dataMap.getString("username"); 076 077 SchedulerService scheduler = Framework.getLocalService(SchedulerService.class); 078 if (scheduler == null || !scheduler.hasApplicationStarted()) { 079 // too early 080 return; 081 } 082 083 EventService eventService = Framework.getService(EventService.class); 084 if (eventService == null) { 085 log.error("Cannot find EventService"); 086 return; 087 } 088 089 LoginContext loginContext = null; 090 try { 091 // login 092 if (username == null) { 093 loginContext = Framework.login(); 094 } else { 095 if (Framework.getLocalService(LoginAs.class) != null) { 096 loginContext = Framework.loginAsUser(username); 097 } else if (!Framework.isTestModeSet()) { 098 log.error("LoginAs service not available"); 099 } 100 } 101 102 // set up event context 103 UserPrincipal principal = new UserPrincipal(username, null, false, false); 104 EventContext eventContext = new EventContextImpl(null, principal); 105 eventContext.setProperty("category", eventCategory); 106 eventContext.setProperties(getWrappedMap(dataMap)); 107 Event event = new EventImpl(eventId, eventContext); 108 109 // start transaction 110 boolean tx = TransactionHelper.startTransaction(); 111 112 // send event 113 log.debug("Sending scheduled event id=" + eventId + ", category=" + eventCategory + ", username=" 114 + username); 115 boolean ok = false; 116 try { 117 eventService.fireEvent(event); 118 ok = true; 119 } finally { 120 if (tx) { 121 if (!ok) { 122 TransactionHelper.setTransactionRollbackOnly(); 123 } 124 TransactionHelper.commitOrRollbackTransaction(); 125 } 126 } 127 } finally { 128 // logout 129 if (loginContext != null) { 130 loginContext.logout(); 131 } 132 } 133 } 134 135 /** 136 * @return a plain map from a JobDataMap object 137 * @since 7.10 138 */ 139 private Map<String, Serializable> getWrappedMap(JobDataMap jobMap) { 140 Map<String, Serializable> map = new HashMap<String, Serializable>(); 141 for (String key : jobMap.getKeys()) { 142 map.put(key, (Serializable) jobMap.get(key)); 143 } 144 return map; 145 } 146 147}