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.runtime.api.event.impl;
  
  import java.util.Optional;
  import org.activiti.api.task.model.Task;
  import org.activiti.api.task.runtime.events.TaskCancelledEvent;
  import org.activiti.engine.delegate.event.ActivitiEntityEvent;
  import org.activiti.engine.impl.persistence.entity.TaskEntity;
  import org.activiti.runtime.api.model.impl.APITaskConverter;
  
  public class ToTaskCancelledConverter implements EventConverter<TaskCancelledEvent, ActivitiEntityEvent> {
  
      private APITaskConverter taskConverter;
  
      public ToTaskCancelledConverter(APITaskConverter taskConverter) {
          this.taskConverter = taskConverter;
      }
  
      @Override
      public Optional<TaskCancelledEvent> from(ActivitiEntityEvent internalEvent) {
          TaskCancelledEvent event = null;
          if (isTaskCancelled(internalEvent)) {
              TaskEntity taskEntity = (TaskEntity) internalEvent.getEntity();
              Task task = taskConverter.from(taskEntity, Task.TaskStatus.CANCELLED);
              String reason = internalEvent.getReason();
              event = new TaskCancelledImpl(task, reason);
          }
          return Optional.ofNullable(event);
      }
  
      private boolean isTaskCancelled(ActivitiEntityEvent internalEvent) {
          return (
              internalEvent.getEntity() != null &&
              internalEvent.getEntity() instanceof TaskEntity &&
              ((TaskEntity) internalEvent.getEntity()).isCanceled()
          );
      }
  }
  