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.validation.validator.impl;
  
  import java.util.List;
  import org.activiti.bpmn.model.BpmnModel;
  import org.activiti.bpmn.model.CompensateEventDefinition;
  import org.activiti.bpmn.model.EventDefinition;
  import org.activiti.bpmn.model.LinkEventDefinition;
  import org.activiti.bpmn.model.MessageEventDefinition;
  import org.activiti.bpmn.model.Process;
  import org.activiti.bpmn.model.SignalEventDefinition;
  import org.activiti.bpmn.model.ThrowEvent;
  import org.activiti.validation.ValidationError;
  import org.activiti.validation.validator.Problems;
  import org.activiti.validation.validator.ProcessLevelValidator;
  
  /**
  
   */
  public class IntermediateThrowEventValidator extends ProcessLevelValidator {
  
      @Override
      protected void executeValidation(BpmnModel bpmnModel, Process process, List<ValidationError> errors) {
          List<ThrowEvent> throwEvents = process.findFlowElementsOfType(ThrowEvent.class);
          for (ThrowEvent throwEvent : throwEvents) {
              EventDefinition eventDefinition = null;
              if (!throwEvent.getEventDefinitions().isEmpty()) {
                  eventDefinition = throwEvent.getEventDefinitions().get(0);
              }
  
              if (
                  eventDefinition != null &&
                  !(eventDefinition instanceof SignalEventDefinition) &&
                  !(eventDefinition instanceof CompensateEventDefinition) &&
                  !(eventDefinition instanceof MessageEventDefinition) &&
                  !(eventDefinition instanceof LinkEventDefinition)
              ) {
                  addError(errors, Problems.THROW_EVENT_INVALID_EVENTDEFINITION, process, throwEvent);
              }
          }
      }
  }
  