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.export;
  
  import javax.xml.stream.XMLStreamWriter;
  import org.activiti.bpmn.constants.BpmnXMLConstants;
  import org.activiti.bpmn.converter.util.BpmnXMLUtil;
  import org.activiti.bpmn.model.Lane;
  import org.activiti.bpmn.model.Process;
  import org.apache.commons.lang3.StringUtils;
  
  public class LaneExport implements BpmnXMLConstants {
  
      public static void writeLanes(Process process, XMLStreamWriter xtw) throws Exception {
          if (!process.getLanes().isEmpty()) {
              xtw.writeStartElement(BPMN2_PREFIX, ELEMENT_LANESET, BPMN2_NAMESPACE);
              xtw.writeAttribute(ATTRIBUTE_ID, "laneSet_" + process.getId());
              for (Lane lane : process.getLanes()) {
                  xtw.writeStartElement(BPMN2_PREFIX, ELEMENT_LANE, BPMN2_NAMESPACE);
                  xtw.writeAttribute(ATTRIBUTE_ID, lane.getId());
  
                  if (StringUtils.isNotEmpty(lane.getName())) {
                      xtw.writeAttribute(ATTRIBUTE_NAME, lane.getName());
                  }
  
                  boolean didWriteExtensionStartElement = BpmnXMLUtil.writeExtensionElements(lane, false, xtw);
                  if (didWriteExtensionStartElement) {
                      xtw.writeEndElement();
                  }
  
                  for (String flowNodeRef : lane.getFlowReferences()) {
                      xtw.writeStartElement(BPMN2_PREFIX, ELEMENT_FLOWNODE_REF, BPMN2_NAMESPACE);
                      xtw.writeCharacters(flowNodeRef);
                      xtw.writeEndElement();
                  }
  
                  xtw.writeEndElement();
              }
              xtw.writeEndElement();
          }
      }
  }
  