001/* 002 * (C) Copyright 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 * Anahide Tchertchian 016 */ 017package org.nuxeo.ecm.automation.task.event; 018 019import java.io.Serializable; 020 021import org.apache.commons.lang.StringUtils; 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024import org.nuxeo.ecm.automation.AutomationService; 025import org.nuxeo.ecm.automation.InvalidChainException; 026import org.nuxeo.ecm.automation.OperationContext; 027import org.nuxeo.ecm.automation.OperationException; 028import org.nuxeo.ecm.automation.task.CreateTask.OperationTaskVariableName; 029import org.nuxeo.ecm.core.event.Event; 030import org.nuxeo.ecm.core.event.EventContext; 031import org.nuxeo.ecm.core.event.EventListener; 032import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 033import org.nuxeo.ecm.platform.task.Task; 034import org.nuxeo.ecm.platform.task.TaskService; 035import org.nuxeo.runtime.api.Framework; 036 037/** 038 * Listener that will launch another operation when a task is accepted or rejected 039 * 040 * @author Anahide Tchertchian 041 * @since 5.5 042 */ 043public class TaskEndedEventListener implements EventListener { 044 045 private static final Log log = LogFactory.getLog(TaskEndedEventListener.class); 046 047 @Override 048 public void handleEvent(Event event) { 049 EventContext eventContext = event.getContext(); 050 Serializable property = eventContext.getProperty(TaskService.TASK_INSTANCE_EVENT_PROPERTIES_KEY); 051 if (property == null || !(property instanceof Task)) { 052 // do nothing 053 return; 054 } 055 Task task = (Task) property; 056 057 Boolean validated = Boolean.valueOf(task.getVariable(TaskService.VariableName.validated.name())); 058 059 String chain; 060 if (validated) { 061 chain = task.getVariable(OperationTaskVariableName.acceptOperationChain.name()); 062 } else { 063 chain = task.getVariable(OperationTaskVariableName.rejectOperationChain.name()); 064 } 065 066 if (!StringUtils.isEmpty(chain)) { 067 try { 068 // run the given operation 069 AutomationService os = Framework.getService(AutomationService.class); 070 OperationContext ctx = new OperationContext(eventContext.getCoreSession()); 071 if (eventContext instanceof DocumentEventContext) { 072 ctx.setInput(((DocumentEventContext) eventContext).getSourceDocument()); 073 ctx.put(OperationTaskVariableName.taskDocument.name(), task.getDocument()); 074 } 075 try { 076 os.run(ctx, chain); 077 } catch (InvalidChainException e) { 078 log.error("Unknown chain: " + chain); 079 } 080 } catch (OperationException t) { 081 log.error(t, t); 082 } 083 } 084 } 085}