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.BpmnModel;
  import org.activiti.bpmn.model.StartEvent;
  import org.activiti.bpmn.model.alfresco.AlfrescoStartEvent;
  import org.apache.commons.lang3.StringUtils;
  
  public class StartEventXMLConverter extends BaseBpmnXMLConverter {
  
      @Override
      public Class<? extends BaseElement> getBpmnElementType() {
          return StartEvent.class;
      }
  
      @Override
      protected String getXMLElementName() {
          return ELEMENT_EVENT_START;
      }
  
      @Override
      protected BaseElement convertXMLToElement(XMLStreamReader xtr, BpmnModel model) throws Exception {
          String formKey = xtr.getAttributeValue(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_FORM_FORMKEY);
          StartEvent startEvent = null;
  
          if (
              StringUtils.isNotEmpty(formKey) &&
              model.getStartEventFormTypes() != null &&
              model.getStartEventFormTypes().contains(formKey)
          ) {
              startEvent = new AlfrescoStartEvent();
          }
          if (startEvent == null) {
              startEvent = new StartEvent();
          }
          BpmnXMLUtil.addXMLLocation(startEvent, xtr);
          startEvent.setInitiator(xtr.getAttributeValue(ACTIVITI_EXTENSIONS_NAMESPACE, ATTRIBUTE_EVENT_START_INITIATOR));
          boolean interrupting = true;
          String interruptingAttribute = xtr.getAttributeValue(null, ATTRIBUTE_EVENT_START_INTERRUPTING);
          if (ATTRIBUTE_VALUE_FALSE.equalsIgnoreCase(interruptingAttribute)) {
              interrupting = false;
          }
          startEvent.setInterrupting(interrupting);
          startEvent.setFormKey(formKey);
  
          parseChildElements(getXMLElementName(), startEvent, model, xtr);
  
          return startEvent;
      }
  
      @Override
      protected void writeAdditionalAttributes(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {
          StartEvent startEvent = (StartEvent) element;
          writeQualifiedAttribute(ATTRIBUTE_EVENT_START_INITIATOR, startEvent.getInitiator(), xtw);
          writeQualifiedAttribute(ATTRIBUTE_FORM_FORMKEY, startEvent.getFormKey(), xtw);
  
          if (startEvent.getEventDefinitions() != null && startEvent.getEventDefinitions().size() > 0) {
              writeDefaultAttribute(ATTRIBUTE_EVENT_START_INTERRUPTING, String.valueOf(startEvent.isInterrupting()), xtw);
          }
      }
  
      @Override
      protected boolean writeExtensionChildElements(
          BaseElement element,
          boolean didWriteExtensionStartElement,
          XMLStreamWriter xtw
      ) throws Exception {
          StartEvent startEvent = (StartEvent) element;
          didWriteExtensionStartElement = writeFormProperties(startEvent, didWriteExtensionStartElement, xtw);
          return didWriteExtensionStartElement;
      }
  
      @Override
      protected void writeAdditionalChildElements(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {
          StartEvent startEvent = (StartEvent) element;
          writeEventDefinitions(startEvent, startEvent.getEventDefinitions(), model, xtw);
      }
  }
  