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.model.BpmnModel;
  import org.activiti.bpmn.model.MessageFlow;
  import org.activiti.bpmn.model.Pool;
  import org.apache.commons.lang3.StringUtils;
  
  public class CollaborationExport implements BpmnXMLConstants {
  
      public static void writePools(BpmnModel model, XMLStreamWriter xtw) throws Exception {
          if (!model.getPools().isEmpty()) {
              xtw.writeStartElement(BPMN2_PREFIX, ELEMENT_COLLABORATION, BPMN2_NAMESPACE);
              xtw.writeAttribute(ATTRIBUTE_ID, "Collaboration");
              for (Pool pool : model.getPools()) {
                  xtw.writeStartElement(BPMN2_PREFIX, ELEMENT_PARTICIPANT, BPMN2_NAMESPACE);
                  xtw.writeAttribute(ATTRIBUTE_ID, pool.getId());
                  if (StringUtils.isNotEmpty(pool.getName())) {
                      xtw.writeAttribute(ATTRIBUTE_NAME, pool.getName());
                  }
                  if (StringUtils.isNotEmpty(pool.getProcessRef())) {
                      xtw.writeAttribute(ATTRIBUTE_PROCESS_REF, pool.getProcessRef());
                  }
                  xtw.writeEndElement();
              }
  
              for (MessageFlow messageFlow : model.getMessageFlows().values()) {
                  xtw.writeStartElement(BPMN2_PREFIX, ELEMENT_MESSAGE_FLOW, BPMN2_NAMESPACE);
                  xtw.writeAttribute(ATTRIBUTE_ID, messageFlow.getId());
                  if (StringUtils.isNotEmpty(messageFlow.getName())) {
                      xtw.writeAttribute(ATTRIBUTE_NAME, messageFlow.getName());
                  }
                  if (StringUtils.isNotEmpty(messageFlow.getSourceRef())) {
                      xtw.writeAttribute(ATTRIBUTE_FLOW_SOURCE_REF, messageFlow.getSourceRef());
                  }
                  if (StringUtils.isNotEmpty(messageFlow.getTargetRef())) {
                      xtw.writeAttribute(ATTRIBUTE_FLOW_TARGET_REF, messageFlow.getTargetRef());
                  }
                  if (StringUtils.isNotEmpty(messageFlow.getMessageRef())) {
                      xtw.writeAttribute(ATTRIBUTE_MESSAGE_REF, messageFlow.getMessageRef());
                  }
                  xtw.writeEndElement();
              }
  
              xtw.writeEndElement();
          }
      }
  }
  