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.behavior;
  
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.DynamicBpmnConstants;
  import org.activiti.engine.delegate.BpmnError;
  import org.activiti.engine.delegate.DelegateExecution;
  import org.activiti.engine.impl.bpmn.helper.ErrorPropagation;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.scripting.ScriptingEngines;
  import org.apache.commons.lang3.StringUtils;
  import org.apache.commons.lang3.exception.ExceptionUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * activity implementation of the BPMN 2.0 script task.
   *
  
  
  
   */
  public class ScriptTaskActivityBehavior extends TaskActivityBehavior {
  
      private static final long serialVersionUID = 1L;
  
      private static final Logger LOGGER = LoggerFactory.getLogger(ScriptTaskActivityBehavior.class);
  
      protected String scriptTaskId;
      protected String script;
      protected String language;
      protected String resultVariable;
      protected boolean storeScriptVariables = false; // see https://activiti.atlassian.net/browse/ACT-1626
  
      public ScriptTaskActivityBehavior(String script, String language, String resultVariable) {
          this.script = script;
          this.language = language;
          this.resultVariable = resultVariable;
      }
  
      public ScriptTaskActivityBehavior(
          String scriptTaskId,
          String script,
          String language,
          String resultVariable,
          boolean storeScriptVariables
      ) {
          this(script, language, resultVariable);
          this.scriptTaskId = scriptTaskId;
          this.storeScriptVariables = storeScriptVariables;
      }
  
      public void execute(DelegateExecution execution) {
          ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
  
          if (Context.getProcessEngineConfiguration().isEnableProcessDefinitionInfoCache()) {
              ObjectNode taskElementProperties = Context.getBpmnOverrideElementProperties(
                  scriptTaskId,
                  execution.getProcessDefinitionId()
              );
              if (taskElementProperties != null && taskElementProperties.has(DynamicBpmnConstants.SCRIPT_TASK_SCRIPT)) {
                  String overrideScript = taskElementProperties.get(DynamicBpmnConstants.SCRIPT_TASK_SCRIPT).asText();
                  if (StringUtils.isNotEmpty(overrideScript) && !overrideScript.equals(script)) {
                      script = overrideScript;
                  }
              }
          }
  
          boolean noErrors = true;
          try {
              Object result = scriptingEngines.evaluate(script, language, execution, storeScriptVariables);
  
              if (resultVariable != null) {
                  execution.setVariable(resultVariable, result);
              }
          } catch (ActivitiException e) {
              LOGGER.warn(
                  "Exception while executing " + execution.getCurrentFlowElement().getId() + " : " + e.getMessage()
              );
  
              noErrors = false;
              Throwable rootCause = ExceptionUtils.getRootCause(e);
              if (rootCause instanceof BpmnError) {
                  ErrorPropagation.propagateError((BpmnError) rootCause, execution);
              } else {
                  throw e;
              }
          }
          if (noErrors) {
              leave(execution);
          }
      }
  }
  