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.Association;
  import org.activiti.bpmn.model.AssociationDirection;
  import org.activiti.bpmn.model.BaseElement;
  import org.activiti.bpmn.model.BpmnModel;
  import org.apache.commons.lang3.StringUtils;
  
  public class AssociationXMLConverter extends BaseBpmnXMLConverter {
  
      public Class<? extends BaseElement> getBpmnElementType() {
          return Association.class;
      }
  
      @Override
      protected String getXMLElementName() {
          return ELEMENT_ASSOCIATION;
      }
  
      @Override
      protected BaseElement convertXMLToElement(XMLStreamReader xtr, BpmnModel model) throws Exception {
          Association association = new Association();
          BpmnXMLUtil.addXMLLocation(association, xtr);
          association.setSourceRef(xtr.getAttributeValue(null, ATTRIBUTE_FLOW_SOURCE_REF));
          association.setTargetRef(xtr.getAttributeValue(null, ATTRIBUTE_FLOW_TARGET_REF));
          association.setId(xtr.getAttributeValue(null, ATTRIBUTE_ID));
  
          String asociationDirectionString = xtr.getAttributeValue(null, ATTRIBUTE_ASSOCIATION_DIRECTION);
          if (StringUtils.isNotEmpty(asociationDirectionString)) {
              AssociationDirection associationDirection = AssociationDirection.valueOf(
                  asociationDirectionString.toUpperCase()
              );
  
              association.setAssociationDirection(associationDirection);
          }
  
          parseChildElements(getXMLElementName(), association, model, xtr);
  
          return association;
      }
  
      @Override
      protected void writeAdditionalAttributes(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {
          Association association = (Association) element;
          writeDefaultAttribute(ATTRIBUTE_FLOW_SOURCE_REF, association.getSourceRef(), xtw);
          writeDefaultAttribute(ATTRIBUTE_FLOW_TARGET_REF, association.getTargetRef(), xtw);
          AssociationDirection associationDirection = association.getAssociationDirection();
          if (associationDirection != null) {
              writeDefaultAttribute(ATTRIBUTE_ASSOCIATION_DIRECTION, associationDirection.getValue(), xtw);
          }
      }
  
      @Override
      protected void writeAdditionalChildElements(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {}
  }
  