001/* 002 * (C) Copyright 2010 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 * Anahide Tchertchian 018 */ 019package org.nuxeo.ecm.automation.task.event; 020 021import java.io.Serializable; 022 023import org.apache.commons.lang.StringUtils; 024import org.apache.commons.logging.Log; 025import org.apache.commons.logging.LogFactory; 026import org.nuxeo.ecm.automation.AutomationService; 027import org.nuxeo.ecm.automation.InvalidChainException; 028import org.nuxeo.ecm.automation.OperationContext; 029import org.nuxeo.ecm.automation.OperationException; 030import org.nuxeo.ecm.automation.task.CreateTask.OperationTaskVariableName; 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.task.Task; 036import org.nuxeo.ecm.platform.task.TaskService; 037import org.nuxeo.runtime.api.Framework; 038 039/** 040 * Listener that will launch another operation when a task is accepted or rejected 041 * 042 * @author Anahide Tchertchian 043 * @since 5.5 044 */ 045public class TaskEndedEventListener implements EventListener { 046 047 private static final Log log = LogFactory.getLog(TaskEndedEventListener.class); 048 049 @Override 050 public void handleEvent(Event event) { 051 EventContext eventContext = event.getContext(); 052 Serializable property = eventContext.getProperty(TaskService.TASK_INSTANCE_EVENT_PROPERTIES_KEY); 053 if (property == null || !(property instanceof Task)) { 054 // do nothing 055 return; 056 } 057 Task task = (Task) property; 058 059 Boolean validated = Boolean.valueOf(task.getVariable(TaskService.VariableName.validated.name())); 060 061 String chain; 062 if (validated) { 063 chain = task.getVariable(OperationTaskVariableName.acceptOperationChain.name()); 064 } else { 065 chain = task.getVariable(OperationTaskVariableName.rejectOperationChain.name()); 066 } 067 068 if (!StringUtils.isEmpty(chain)) { 069 try (OperationContext ctx = new OperationContext(eventContext.getCoreSession())) { 070 // run the given operation 071 AutomationService os = Framework.getService(AutomationService.class); 072 073 if (eventContext instanceof DocumentEventContext) { 074 ctx.setInput(((DocumentEventContext) eventContext).getSourceDocument()); 075 ctx.put(OperationTaskVariableName.taskDocument.name(), task.getDocument()); 076 } 077 try { 078 os.run(ctx, chain); 079 } catch (InvalidChainException e) { 080 log.error("Unknown chain: " + chain); 081 } 082 } catch (OperationException t) { 083 log.error(t, t); 084 } 085 } 086 } 087}