/*
 * Copyright 2010-2020 Alfresco Software, Ltd.
 *
 * 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.activiti.examples.bpmn.executionlistener;

import java.util.List;
import java.util.Map;

import org.activiti.bpmn.model.ActivitiListener;
import org.activiti.bpmn.model.ExtensionElement;
import org.activiti.bpmn.model.ImplementationType;
import org.activiti.bpmn.model.SequenceFlow;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.activiti.engine.impl.bpmn.parser.handler.SequenceFlowParseHandler;

/**

 */
public class CustomSequenceFlowBpmnParseHandler extends SequenceFlowParseHandler {

  protected void executeParse(BpmnParse bpmnParse, SequenceFlow flow) {

    // Do the regular stuff
    super.executeParse(bpmnParse, flow);

    // Add extension element conditions
    Map<String, List<ExtensionElement>> extensionElements = flow.getExtensionElements();
    if (extensionElements.containsKey("activiti_custom_condition")) {
      List<ExtensionElement> conditionsElements = extensionElements.get("activiti_custom_condition");

      CustomSetConditionsExecutionListener customFlowListener = new CustomSetConditionsExecutionListener();
      customFlowListener.setFlowId(flow.getId());
      for (ExtensionElement conditionElement : conditionsElements) {
        customFlowListener.addCondition(conditionElement.getElementText());
      }

      ActivitiListener activitiListener = new ActivitiListener();
      activitiListener.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_INSTANCE);
      activitiListener.setInstance(customFlowListener);
      activitiListener.setEvent("start");
      flow.getSourceFlowElement().getExecutionListeners().add(activitiListener);

    }
  }

}
