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.scripting;
  
  import static java.util.Arrays.asList;
  
  import java.util.List;
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.ActivitiIllegalArgumentException;
  import org.activiti.engine.delegate.VariableScope;
  import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  import org.activiti.engine.impl.persistence.entity.TaskEntity;
  
  public class VariableScopeResolver implements Resolver {
  
      protected ProcessEngineConfigurationImpl processEngineConfiguration;
      protected VariableScope variableScope;
  
      protected String variableScopeKey = "execution";
  
      protected static final String processEngineConfigurationKey = "processEngineConfiguration";
      protected static final String runtimeServiceKey = "runtimeService";
      protected static final String taskServiceKey = "taskService";
      protected static final String repositoryServiceKey = "repositoryService";
      protected static final String managementServiceKey = "managementService";
      protected static final String historyServiceKey = "historyService";
      protected static final String formServiceKey = "formService";
  
      protected static final List<String> KEYS = asList(
          processEngineConfigurationKey,
          runtimeServiceKey,
          taskServiceKey,
          repositoryServiceKey,
          managementServiceKey,
          historyServiceKey,
          formServiceKey
      );
  
      public VariableScopeResolver(
          ProcessEngineConfigurationImpl processEngineConfiguration,
          VariableScope variableScope
      ) {
          this.processEngineConfiguration = processEngineConfiguration;
  
          if (variableScope == null) {
              throw new ActivitiIllegalArgumentException("variableScope cannot be null");
          }
          if (variableScope instanceof ExecutionEntity) {
              variableScopeKey = "execution";
          } else if (variableScope instanceof TaskEntity) {
              variableScopeKey = "task";
          } else {
              throw new ActivitiException("unsupported variable scope type: " + variableScope.getClass().getName());
          }
          this.variableScope = variableScope;
      }
  
      public boolean containsKey(Object key) {
          return variableScopeKey.equals(key) || KEYS.contains(key) || variableScope.hasVariable((String) key);
      }
  
      public Object get(Object key) {
          if (variableScopeKey.equals(key)) {
              return variableScope;
          } else if (processEngineConfigurationKey.equals(key)) {
              return processEngineConfiguration;
          } else if (runtimeServiceKey.equals(key)) {
              return processEngineConfiguration.getRuntimeService();
          } else if (taskServiceKey.equals(key)) {
              return processEngineConfiguration.getTaskService();
          } else if (repositoryServiceKey.equals(key)) {
              return processEngineConfiguration.getRepositoryService();
          } else if (managementServiceKey.equals(key)) {
              return processEngineConfiguration.getManagementService();
          }
  
          return variableScope.getVariable((String) key);
      }
  }
  