content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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.bpmn.converter;
  
  import javax.xml.stream.XMLStreamReader;
  import javax.xml.stream.XMLStreamWriter;
  import org.activiti.bpmn.converter.util.BpmnXMLUtil;
  import org.activiti.bpmn.model.BaseElement;
  import org.activiti.bpmn.model.BoundaryEvent;
  import org.activiti.bpmn.model.BpmnModel;
  import org.activiti.bpmn.model.ErrorEventDefinition;
  import org.activiti.bpmn.model.EventDefinition;
  import org.apache.commons.lang3.StringUtils;
  
  /**
  
   */
  public class BoundaryEventXMLConverter extends BaseBpmnXMLConverter {
  
      public Class<? extends BaseElement> getBpmnElementType() {
          return BoundaryEvent.class;
      }
  
      @Override
      protected String getXMLElementName() {
          return ELEMENT_EVENT_BOUNDARY;
      }
  
      @Override
      protected BaseElement convertXMLToElement(XMLStreamReader xtr, BpmnModel model) throws Exception {
          BoundaryEvent boundaryEvent = new BoundaryEvent();
          BpmnXMLUtil.addXMLLocation(boundaryEvent, xtr);
          if (StringUtils.isNotEmpty(xtr.getAttributeValue(null, ATTRIBUTE_BOUNDARY_CANCELACTIVITY))) {
              String cancelActivity = xtr.getAttributeValue(null, ATTRIBUTE_BOUNDARY_CANCELACTIVITY);
              if (ATTRIBUTE_VALUE_FALSE.equalsIgnoreCase(cancelActivity)) {
                  boundaryEvent.setCancelActivity(false);
              }
          }
          boundaryEvent.setAttachedToRefId(xtr.getAttributeValue(null, ATTRIBUTE_BOUNDARY_ATTACHEDTOREF));
          parseChildElements(getXMLElementName(), boundaryEvent, model, xtr);
  
          // Explicitly set cancel activity to false for error boundary events
          if (boundaryEvent.getEventDefinitions().size() == 1) {
              EventDefinition eventDef = boundaryEvent.getEventDefinitions().get(0);
  
              if (eventDef instanceof ErrorEventDefinition) {
                  boundaryEvent.setCancelActivity(false);
              }
          }
  
          return boundaryEvent;
      }
  
      @Override
      protected void writeAdditionalAttributes(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {
          BoundaryEvent boundaryEvent = (BoundaryEvent) element;
          if (boundaryEvent.getAttachedToRef() != null) {
              writeDefaultAttribute(ATTRIBUTE_BOUNDARY_ATTACHEDTOREF, boundaryEvent.getAttachedToRef().getId(), xtw);
          }
  
          if (boundaryEvent.getEventDefinitions().size() == 1) {
              EventDefinition eventDef = boundaryEvent.getEventDefinitions().get(0);
  
              if (eventDef instanceof ErrorEventDefinition == false) {
                  writeDefaultAttribute(
                      ATTRIBUTE_BOUNDARY_CANCELACTIVITY,
                      String.valueOf(boundaryEvent.isCancelActivity()).toLowerCase(),
                      xtw
                  );
              }
          }
      }
  
      @Override
      protected void writeAdditionalChildElements(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {
          BoundaryEvent boundaryEvent = (BoundaryEvent) element;
          writeEventDefinitions(boundaryEvent, boundaryEvent.getEventDefinitions(), model, xtw);
      }
  }
  