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.parser;
  
  import java.util.List;
  import javax.xml.stream.XMLStreamReader;
  import org.activiti.bpmn.constants.BpmnXMLConstants;
  import org.activiti.bpmn.converter.export.ProcessExport;
  import org.activiti.bpmn.converter.util.BpmnXMLUtil;
  import org.activiti.bpmn.model.BpmnModel;
  import org.activiti.bpmn.model.Process;
  import org.apache.commons.lang3.StringUtils;
  
  /**
  
   */
  public class ProcessParser implements BpmnXMLConstants {
  
      public Process parse(XMLStreamReader xtr, BpmnModel model) throws Exception {
          Process process = null;
          if (StringUtils.isNotEmpty(xtr.getAttributeValue(null, ATTRIBUTE_ID))) {
              String processId = xtr.getAttributeValue(null, ATTRIBUTE_ID);
              process = new Process();
              process.setId(processId);
              BpmnXMLUtil.addXMLLocation(process, xtr);
              process.setName(xtr.getAttributeValue(null, ATTRIBUTE_NAME));
              if (StringUtils.isNotEmpty(xtr.getAttributeValue(null, ATTRIBUTE_PROCESS_EXECUTABLE))) {
                  process.setExecutable(Boolean.parseBoolean(xtr.getAttributeValue(null, ATTRIBUTE_PROCESS_EXECUTABLE)));
              }
  
              String candidateUsersString = xtr.getAttributeValue(
                  ACTIVITI_EXTENSIONS_NAMESPACE,
                  ATTRIBUTE_PROCESS_CANDIDATE_USERS
              );
              if (candidateUsersString != null) {
                  process.setCandidateStarterUsersDefined(true);
              }
              if (StringUtils.isNotEmpty(candidateUsersString)) {
                  List<String> candidateUsers = BpmnXMLUtil.parseDelimitedList(candidateUsersString);
                  process.setCandidateStarterUsers(candidateUsers);
              }
  
              String candidateGroupsString = xtr.getAttributeValue(
                  ACTIVITI_EXTENSIONS_NAMESPACE,
                  ATTRIBUTE_PROCESS_CANDIDATE_GROUPS
              );
              if (candidateGroupsString != null) {
                  process.setCandidateStarterGroupsDefined(true);
              }
              if (StringUtils.isNotEmpty(candidateGroupsString)) {
                  List<String> candidateGroups = BpmnXMLUtil.parseDelimitedList(candidateGroupsString);
                  process.setCandidateStarterGroups(candidateGroups);
              }
  
              BpmnXMLUtil.addCustomAttributes(xtr, process, ProcessExport.defaultProcessAttributes);
  
              model.getProcesses().add(process);
          }
          return process;
      }
  }
  