/*
* Copyright 2005-2015 WSO2, Inc. (http://wso2.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wso2.carbon.bpmn.analytics.publisher.handlers;
import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.UserTask;
import org.activiti.engine.delegate.TaskListener;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.bpmn.parser.handler.AbstractBpmnParseHandler;
import org.activiti.engine.impl.bpmn.parser.handler.UserTaskParseHandler;
import org.activiti.engine.impl.task.TaskDefinition;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.bpmn.analytics.publisher.listeners.TaskCompletionListener;
import java.util.List;
public class TaskParseHandler extends AbstractBpmnParseHandler {
private static final Log log = LogFactory.getLog(TaskParseHandler.class);
@Override
protected Class<? extends BaseElement> getHandledType() {
return UserTask.class;
}
@Override
protected void executeParse(BpmnParse bpmnParse, BaseElement element) {
TaskDefinition taskDefinition = (TaskDefinition) bpmnParse.getCurrentActivity().getProperty(UserTaskParseHandler.PROPERTY_TASK_DEFINITION);
// We have to check if data publishing listener has already been associated at server startup
TaskListener taskCompletionListener = null;
List<TaskListener> completionListeners = taskDefinition.getTaskListener(TaskListener.EVENTNAME_COMPLETE);
if (completionListeners != null) {
for (TaskListener listener : completionListeners) {
if (listener instanceof TaskCompletionListener) {
taskCompletionListener = listener;
break;
}
}
}
if (taskCompletionListener == null) {
if (log.isDebugEnabled()) {
log.debug("Adding data publishing listener to task: " + taskDefinition.getKey());
}
taskDefinition.addTaskListener(TaskListener.EVENTNAME_COMPLETE, new TaskCompletionListener());
}
}
}