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.engine.impl.bpmn.parser.handler;
  
  import java.util.List;
  import org.activiti.bpmn.model.BaseElement;
  import org.activiti.bpmn.model.BpmnModel;
  import org.activiti.bpmn.model.EventListener;
  import org.activiti.bpmn.model.ImplementationType;
  import org.activiti.bpmn.model.Process;
  import org.activiti.engine.delegate.event.ActivitiEventType;
  import org.activiti.engine.delegate.event.impl.ActivitiEventSupport;
  import org.activiti.engine.impl.bpmn.parser.BpmnParse;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
  
   */
  public class ProcessParseHandler extends AbstractBpmnParseHandler<Process> {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(ProcessParseHandler.class);
  
      public static final String PROPERTYNAME_DOCUMENTATION = "documentation";
  
      public Class<? extends BaseElement> getHandledType() {
          return Process.class;
      }
  
      protected void executeParse(BpmnParse bpmnParse, Process process) {
          if (process.isExecutable() == false) {
              LOGGER.info(
                  "Ignoring non-executable process with id='" +
                  process.getId() +
                  "'. Set the attribute isExecutable=\"true\" to deploy this process."
              );
          } else {
              bpmnParse.getProcessDefinitions().add(transformProcess(bpmnParse, process));
          }
      }
  
      protected ProcessDefinitionEntity transformProcess(BpmnParse bpmnParse, Process process) {
          ProcessDefinitionEntity currentProcessDefinition = Context.getCommandContext()
              .getProcessDefinitionEntityManager()
              .create();
          bpmnParse.setCurrentProcessDefinition(currentProcessDefinition);
  
          /*
           * Mapping object model - bpmn xml: processDefinition.id -> generated by activiti engine processDefinition.key -> bpmn id (required) processDefinition.name -> bpmn name (optional)
           */
          currentProcessDefinition.setKey(process.getId());
          currentProcessDefinition.setName(process.getName());
          currentProcessDefinition.setCategory(bpmnParse.getBpmnModel().getTargetNamespace());
          currentProcessDefinition.setDescription(process.getDocumentation());
          currentProcessDefinition.setDeploymentId(bpmnParse.getDeployment().getId());
  
          if (bpmnParse.getDeployment().getEngineVersion() != null) {
              currentProcessDefinition.setEngineVersion(bpmnParse.getDeployment().getEngineVersion());
          }
  
          createEventListeners(bpmnParse, process.getEventListeners());
  
          if (LOGGER.isDebugEnabled()) {
              LOGGER.debug("Parsing process {}", currentProcessDefinition.getKey());
          }
  
          bpmnParse.processFlowElements(process.getFlowElements());
          processArtifacts(bpmnParse, process.getArtifacts());
  
          return currentProcessDefinition;
      }
  
      protected void createEventListeners(BpmnParse bpmnParse, List<EventListener> eventListeners) {
          if (eventListeners != null && !eventListeners.isEmpty()) {
              for (EventListener eventListener : eventListeners) {
                  // Extract specific event-types (if any)
                  ActivitiEventType[] types = ActivitiEventType.getTypesFromString(eventListener.getEvents());
  
                  if (ImplementationType.IMPLEMENTATION_TYPE_CLASS.equals(eventListener.getImplementationType())) {
                      getEventSupport(bpmnParse.getBpmnModel()).addEventListener(
                          bpmnParse.getListenerFactory().createClassDelegateEventListener(eventListener),
                          types
                      );
                  } else if (
                      ImplementationType.IMPLEMENTATION_TYPE_DELEGATEEXPRESSION.equals(
                          eventListener.getImplementationType()
                      )
                  ) {
                      getEventSupport(bpmnParse.getBpmnModel()).addEventListener(
                          bpmnParse.getListenerFactory().createDelegateExpressionEventListener(eventListener),
                          types
                      );
                  } else if (
                      ImplementationType.IMPLEMENTATION_TYPE_THROW_SIGNAL_EVENT.equals(
                          eventListener.getImplementationType()
                      ) ||
                      ImplementationType.IMPLEMENTATION_TYPE_THROW_GLOBAL_SIGNAL_EVENT.equals(
                          eventListener.getImplementationType()
                      ) ||
                      ImplementationType.IMPLEMENTATION_TYPE_THROW_MESSAGE_EVENT.equals(
                          eventListener.getImplementationType()
                      ) ||
                      ImplementationType.IMPLEMENTATION_TYPE_THROW_ERROR_EVENT.equals(
                          eventListener.getImplementationType()
                      )
                  ) {
                      getEventSupport(bpmnParse.getBpmnModel()).addEventListener(
                          bpmnParse.getListenerFactory().createEventThrowingEventListener(eventListener),
                          types
                      );
                  } else {
                      LOGGER.warn(
                          "Unsupported implementation type for EventListener: " +
                          eventListener.getImplementationType() +
                          " for element " +
                          bpmnParse.getCurrentFlowElement().getId()
                      );
                  }
              }
          }
      }
  
      protected ActivitiEventSupport getEventSupport(BpmnModel bpmnModel) {
          return (ActivitiEventSupport) bpmnModel.getEventSupport();
      }
  }
  