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 org.apache.commons.lang.StringUtils; 020import org.apache.commons.logging.Log; 021import org.apache.commons.logging.LogFactory; 022import org.nuxeo.ecm.automation.AutomationService; 023import org.nuxeo.ecm.automation.InvalidChainException; 024import org.nuxeo.ecm.automation.OperationContext; 025import org.nuxeo.ecm.automation.OperationException; 026import org.nuxeo.ecm.automation.task.CreateTask.OperationTaskVariableName; 027import org.nuxeo.ecm.core.event.Event; 028import org.nuxeo.ecm.core.event.EventContext; 029import org.nuxeo.ecm.core.event.EventListener; 030import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 031import org.nuxeo.ecm.platform.task.Task; 032import org.nuxeo.ecm.platform.task.TaskService; 033import org.nuxeo.runtime.api.Framework; 034 035/** 036 * Listener that will launch another operation when a task is accepted or rejected 037 * 038 * @author Anahide Tchertchian 039 * @since 5.5 040 */ 041public class TaskEndedEventListener implements EventListener { 042 043 private static final Log log = LogFactory.getLog(TaskEndedEventListener.class); 044 045 @Override 046 public void handleEvent(Event event) { 047 EventContext eventContext = event.getContext(); 048 Task.optionalTask(eventContext).ifPresent(task -> handleTask(eventContext, task)); 049 } 050 051 private void handleTask(EventContext eventContext, Task task) { 052 Boolean validated = Boolean.valueOf(task.getVariable(TaskService.VariableName.validated.name())); 053 054 String chain; 055 if (validated) { 056 chain = task.getVariable(OperationTaskVariableName.acceptOperationChain.name()); 057 } else { 058 chain = task.getVariable(OperationTaskVariableName.rejectOperationChain.name()); 059 } 060 061 if (!StringUtils.isEmpty(chain)) { 062 try { 063 // run the given operation 064 AutomationService os = Framework.getService(AutomationService.class); 065 OperationContext ctx = new OperationContext(eventContext.getCoreSession()); 066 if (eventContext instanceof DocumentEventContext) { 067 ctx.setInput(((DocumentEventContext) eventContext).getSourceDocument()); 068 ctx.put(OperationTaskVariableName.taskDocument.name(), task.getDocument()); 069 } 070 try { 071 os.run(ctx, chain); 072 } catch (InvalidChainException e) { 073 log.error("Unknown chain: " + chain); 074 } 075 } catch (OperationException t) { 076 log.error(t, t); 077 } 078 } 079 } 080}